/* * Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ package com.amazonaws.services.sqs; import com.amazonaws.*; import com.amazonaws.regions.*; import com.amazonaws.services.sqs.model.*; /** * Interface for accessing Amazon SQS * <p> * Welcome to the <i>Amazon Simple Queue Service API Reference</i>. This section * describes who should read this guide, how the guide is organized, and other * resources related to the Amazon Simple Queue Service (Amazon SQS). * </p> * <p> * Amazon SQS offers reliable and scalable hosted queues for storing messages as * they travel between computers. By using Amazon SQS, you can move data between * distributed components of your applications that perform different tasks * without losing messages or requiring each component to be always available. * </p> * <p> * <b>Topics</b> * </p> * <ul> * <li> * <p> * </p></li> * <li> * <p> * </p></li> * <li> * <p> * <a>CommonParameters</a> * </p> * </li> * <li> * <p> * <a>CommonErrors</a> * </p> * </li> * </ul> * <p> * <b>Helpful Links</b> * </p> * <ul> * <li> * <p> * <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/MakingRequestsArticle.html" * >Making API Requests</a> * </p> * </li> * <li> * <p> * <a href="http://aws.amazon.com/sqs/">Amazon SQS product page</a> * </p> * </li> * <li> * <p> * <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSMessageAttributes.html" * >Using Amazon SQS Message Attributes</a> * </p> * </li> * <li> * <p> * <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSDeadLetterQueue.html" * >Using Amazon SQS Dead Letter Queues</a> * </p> * </li> * <li> * <p> * <a href="http://docs.aws.amazon.com/general/latest/gr/rande.html#sqs_region"> * Regions and Endpoints</a> * </p> * </li> * </ul> * <p> * We also provide SDKs that enable you to access Amazon SQS from your preferred * programming language. The SDKs contain functionality that automatically takes * care of tasks such as: * </p> * <ul> * <li> * <p> * Cryptographically signing your service requests * </p> * </li> * <li> * <p> * Retrying requests * </p> * </li> * <li> * <p> * Handling error responses * </p> * </li> * </ul> * <p> * For a list of available SDKs, see <a * href="http://aws.amazon.com/tools/">Tools for Amazon Web Services</a>. * </p> **/ public interface AmazonSQS { /** * Overrides the default endpoint for this client * ("https://sqs.us-east-1.amazonaws.com"). Callers can use this method to * control which AWS region they want to work with. * <p> * Callers can pass in just the endpoint (ex: "sqs.us-east-1.amazonaws.com") * or a full URL, including the protocol (ex: * "https://sqs.us-east-1.amazonaws.com"). If the protocol is not specified * here, the default protocol from this client's {@link ClientConfiguration} * will be used, which by default is HTTPS. * <p> * For more information on using AWS regions with the AWS SDK for Java, and * a complete list of all available endpoints for all AWS services, see: <a * href= * "http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912" * > http://developer.amazonwebservices.com/connect/entry.jspa?externalID= * 3912</a> * <p> * <b>This method is not threadsafe. An endpoint should be configured when * the client is created and before any service requests are made. Changing * it afterwards creates inevitable race conditions for any service requests * in transit or retrying.</b> * * @param endpoint The endpoint (ex: "sqs.us-east-1.amazonaws.com") or a * full URL, including the protocol (ex: * "https://sqs.us-east-1.amazonaws.com") of the region specific * AWS endpoint this client will communicate with. * @throws IllegalArgumentException If any problems are detected with the * specified endpoint. */ public void setEndpoint(String endpoint) throws java.lang.IllegalArgumentException; /** * An alternative to {@link AmazonSQS#setEndpoint(String)}, sets the * regional endpoint for this client's service calls. Callers can use this * method to control which AWS region they want to work with. * <p> * By default, all service endpoints in all regions use the https protocol. * To use http instead, specify it in the {@link ClientConfiguration} * supplied at construction. * <p> * <b>This method is not threadsafe. A region should be configured when the * client is created and before any service requests are made. Changing it * afterwards creates inevitable race conditions for any service requests in * transit or retrying.</b> * * @param region The region this client will communicate with. See * {@link Region#getRegion(com.amazonaws.regions.Regions)} for * accessing a given region. * @throws java.lang.IllegalArgumentException If the given region is null, * or if this service isn't available in the given region. See * {@link Region#isServiceSupported(String)} * @see Region#getRegion(com.amazonaws.regions.Regions) * @see Region#createClient(Class, * com.amazonaws.auth.AWSCredentialsProvider, ClientConfiguration) */ public void setRegion(Region region) throws java.lang.IllegalArgumentException; /** * <p> * Adds a permission to a queue for a specific <a * href="http://docs.aws.amazon.com/general/latest/gr/glos-chap.html#P" * >principal</a>. This allows for sharing access to the queue. * </p> * <p> * When you create a queue, you have full control access rights for the * queue. Only you (as owner of the queue) can grant or deny permissions to * the queue. For more information about these permissions, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html" * >Shared Queues</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * <note> * <p> * <code>AddPermission</code> writes an Amazon SQS-generated policy. If you * want to write your own policy, use <a>SetQueueAttributes</a> to upload * your policy. For more information about writing your own policy, see <a * href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AccessPolicyLanguage.html" * >Using The Access Policy Language</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * </note> <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param addPermissionRequest <p/> * @throws OverLimitException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void addPermission(AddPermissionRequest addPermissionRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Changes the visibility timeout of a specified message in a queue to a new * value. The maximum allowed timeout value you can set the value to is 12 * hours. This means you can't extend the timeout of a message in an * existing queue to more than a total visibility timeout of 12 hours. (For * more information visibility timeout, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html" * >Visibility Timeout</a> in the <i>Amazon SQS Developer Guide</i>.) * </p> * <p> * For example, let's say you have a message and its default message * visibility timeout is 5 minutes. After 3 minutes, you call * <code>ChangeMessageVisiblity</code> with a timeout of 10 minutes. At that * time, the timeout for the message would be extended by 10 minutes beyond * the time of the ChangeMessageVisibility call. This results in a total * visibility timeout of 13 minutes. You can continue to call * ChangeMessageVisibility to extend the visibility timeout to a maximum of * 12 hours. If you try to extend beyond 12 hours, the request will be * rejected. * </p> * <note> * <p> * There is a 120,000 limit for the number of inflight messages per queue. * Messages are inflight after they have been received from the queue by a * consuming component, but have not yet been deleted from the queue. If you * reach the 120,000 limit, you will receive an OverLimit error message from * Amazon SQS. To help avoid reaching the limit, you should delete the * messages from the queue after they have been processed. You can also * increase the number of queues you use to process the messages. * </p> * </note> <important> * <p> * If you attempt to set the <code>VisibilityTimeout</code> to an amount * more than the maximum time left, Amazon SQS returns an error. It will not * automatically recalculate and increase the timeout to the maximum time * remaining. * </p> * </important> <important> * <p> * Unlike with a queue, when you change the visibility timeout for a * specific message, that timeout value is applied immediately but is not * saved in memory for that message. If you don't delete a message after it * is received, the visibility timeout for the message the next time it is * received reverts to the original timeout value, not the value you set * with the <code>ChangeMessageVisibility</code> action. * </p> * </important> * * @param changeMessageVisibilityRequest * @throws MessageNotInflightException * @throws ReceiptHandleIsInvalidException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void changeMessageVisibility(ChangeMessageVisibilityRequest changeMessageVisibilityRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Changes the visibility timeout of multiple messages. This is a batch * version of <a>ChangeMessageVisibility</a>. The result of the action on * each message is reported individually in the response. You can send up to * 10 <a>ChangeMessageVisibility</a> requests with each * <code>ChangeMessageVisibilityBatch</code> action. * </p> * <important> * <p> * Because the batch request can result in a combination of successful and * unsuccessful actions, you should check for batch errors even when the * call returns an HTTP status code of 200. * </p> * </important> <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param changeMessageVisibilityBatchRequest <p/> * @return changeMessageVisibilityBatchResult The response from the * ChangeMessageVisibilityBatch service method, as returned by * Amazon SQS. * @throws TooManyEntriesInBatchRequestException * @throws EmptyBatchRequestException * @throws BatchEntryIdsNotDistinctException * @throws InvalidBatchEntryIdException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ChangeMessageVisibilityBatchResult changeMessageVisibilityBatch( ChangeMessageVisibilityBatchRequest changeMessageVisibilityBatchRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Creates a new standard or FIFO queue or returns the URL of an existing * queue. You can pass one or more attributes in the request. * </p> * <ul> * <li> * <p> * If you don't specify the <code>FifoQueue</code> attribute, Amazon SQS * creates a standard queue. * </p> * <note> * <p> * You can't change the queue type after you create it and you can't convert * an existing standard queue into a FIFO queue. You must either create a * new FIFO queue for your application or delete your existing standard * queue and recreate it as a FIFO queue. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues-moving.html" * > Moving From a Standard Queue to a FIFO Queue</a> in the <i>Amazon SQS * Developer Guide</i>. * </p> * </note></li> * <li> * <p> * If you don't provide a value for an attribute, the queue is created with * the default value for the attribute. * </p> * </li> * <li> * <p> * If you delete a queue, you must wait at least 60 seconds before creating * a queue with the same name. * </p> * </li> * </ul> * <p> * To successfully create a new queue, you must provide a queue name that * adheres to the <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/limits-queues.html" * >limits related to queues</a> and is unique within the scope of your * queues. * </p> * <p> * To get the queue URL, use the <a>GetQueueUrl</a> action. * <a>GetQueueUrl</a> requires only the <code>QueueName</code> parameter. * </p> * <ul> * <li> * <p> * If you provide the name of an existing queue along with the exact names * and values of all the queue's attributes, <code>CreateQueue</code> * returns the queue URL for the existing queue. * </p> * </li> * <li> * <p> * If the queue name, attribute names, or attribute values don't match an * existing queue, <code>CreateQueue</code> returns an error. * </p> * </li> * </ul> * <p> * Some API actions take lists of parameters. Specify these lists using the * <code>param.n</code> notation. Values of <code>n</code> are integers * starting from 1. The following is an example of a parameter list with two * elements: * </p> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param createQueueRequest <p/> * @return createQueueResult The response from the CreateQueue service * method, as returned by Amazon SQS. * @throws QueueDeletedRecentlyException * @throws QueueNameExistsException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ CreateQueueResult createQueue(CreateQueueRequest createQueueRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes the specified message from the specified queue. You specify the * message by using the message's <code>receipt handle</code> and not the * <code>message ID</code> you received when you sent the message. Even if * the message is locked by another reader due to the visibility timeout * setting, it is still deleted from the queue. If you leave a message in * the queue for longer than the queue's configured retention period, Amazon * SQS automatically deletes it. * </p> * <note> * <p> * The receipt handle is associated with a specific instance of receiving * the message. If you receive a message more than once, the receipt handle * you get each time you receive the message is different. When you request * <code>DeleteMessage</code>, if you don't provide the most recently * received receipt handle for the message, the request will still succeed, * but the message might not be deleted. * </p> * </note> <important> * <p> * It is possible you will receive a message even after you have deleted it. * This might happen on rare occasions if one of the servers storing a copy * of the message is unavailable when you request to delete the message. The * copy remains on the server and might be returned to you again on a * subsequent receive request. You should create your system to be * idempotent so that receiving a particular message more than once is not a * problem. * </p> * </important> * * @param deleteMessageRequest <p/> * @throws InvalidIdFormatException * @throws ReceiptHandleIsInvalidException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void deleteMessage(DeleteMessageRequest deleteMessageRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes up to ten messages from the specified queue. This is a batch * version of <a>DeleteMessage</a>. The result of the delete action on each * message is reported individually in the response. * </p> * <important> * <p> * Because the batch request can result in a combination of successful and * unsuccessful actions, you should check for batch errors even when the * call returns an HTTP status code of 200. * </p> * </important> <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param deleteMessageBatchRequest <p/> * @return deleteMessageBatchResult The response from the DeleteMessageBatch * service method, as returned by Amazon SQS. * @throws TooManyEntriesInBatchRequestException * @throws EmptyBatchRequestException * @throws BatchEntryIdsNotDistinctException * @throws InvalidBatchEntryIdException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ DeleteMessageBatchResult deleteMessageBatch(DeleteMessageBatchRequest deleteMessageBatchRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes the queue specified by the <b>queue URL</b>, regardless of * whether the queue is empty. If the specified queue doesn't exist, Amazon * SQS returns a successful response. * </p> * <important> * <p> * Use <code>DeleteQueue</code> with care; once you delete your queue, any * messages in the queue are no longer available. * </p> * </important> * <p> * When you delete a queue, the deletion process takes up to 60 seconds. * Requests you send involving that queue during the 60 seconds might * succeed. For example, a <a>SendMessage</a> request might succeed, but * after the 60 seconds, the queue and that message you sent no longer * exist. Also, when you delete a queue, you must wait at least 60 seconds * before creating a queue with the same name. * </p> * <p> * We reserve the right to delete queues that have had no activity for more * than 30 days. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSConcepts.html" * >How Amazon SQS Queues Work</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * * @param deleteQueueRequest <p/> * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void deleteQueue(DeleteQueueRequest deleteQueueRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Gets attributes for the specified queue. * </p> * <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param getQueueAttributesRequest <p/> * @return getQueueAttributesResult The response from the GetQueueAttributes * service method, as returned by Amazon SQS. * @throws InvalidAttributeNameException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ GetQueueAttributesResult getQueueAttributes(GetQueueAttributesRequest getQueueAttributesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns the URL of an existing queue. This action provides a simple way * to retrieve the URL of an Amazon SQS queue. * </p> * <p> * To access a queue that belongs to another AWS account, use the * <code>QueueOwnerAWSAccountId</code> parameter to specify the account ID * of the queue's owner. The queue's owner must grant you permission to * access the queue. For more information about shared queue access, see * <a>AddPermission</a> or see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html" * >Shared Queues</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * * @param getQueueUrlRequest <p/> * @return getQueueUrlResult The response from the GetQueueUrl service * method, as returned by Amazon SQS. * @throws QueueDoesNotExistException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ GetQueueUrlResult getQueueUrl(GetQueueUrlRequest getQueueUrlRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns a list of your queues that have the RedrivePolicy queue attribute * configured with a dead letter queue. * </p> * <p> * For more information about using dead letter queues, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSDeadLetterQueue.html" * >Using Amazon SQS Dead Letter Queues</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * * @param listDeadLetterSourceQueuesRequest <p/> * @return listDeadLetterSourceQueuesResult The response from the * ListDeadLetterSourceQueues service method, as returned by Amazon * SQS. * @throws QueueDoesNotExistException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ListDeadLetterSourceQueuesResult listDeadLetterSourceQueues( ListDeadLetterSourceQueuesRequest listDeadLetterSourceQueuesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns a list of your queues. The maximum number of queues that can be * returned is 1000. If you specify a value for the optional * <code>QueueNamePrefix</code> parameter, only queues with a name beginning * with the specified value are returned. * </p> * * @param listQueuesRequest <p/> * @return listQueuesResult The response from the ListQueues service method, * as returned by Amazon SQS. * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ListQueuesResult listQueues(ListQueuesRequest listQueuesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes the messages in a queue specified by the <b>queue URL</b>. * </p> * <important> * <p> * When you use the <code>PurgeQueue</code> API, the deleted messages in the * queue can't be retrieved. * </p> * </important> * <p> * When you purge a queue, the message deletion process takes up to 60 * seconds. All messages sent to the queue before calling * <code>PurgeQueue</code> will be deleted; messages sent to the queue while * it is being purged might be deleted. While the queue is being purged, * messages sent to the queue before <code>PurgeQueue</code> was called * might be received, but will be deleted within the next minute. * </p> * * @param purgeQueueRequest <p/> * @throws QueueDoesNotExistException * @throws PurgeQueueInProgressException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void purgeQueue(PurgeQueueRequest purgeQueueRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Retrieves one or more messages, with a maximum limit of 10 messages, from * the specified queue. Long poll support is enabled by using the * <code>WaitTimeSeconds</code> parameter. For more information, see <a * href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-long-polling.html" * >Amazon SQS Long Poll</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * <p> * Short poll is the default behavior where a weighted random set of * machines is sampled on a <code>ReceiveMessage</code> call. This means * only the messages on the sampled machines are returned. If the number of * messages in the queue is small (less than 1000), it is likely you will * get fewer messages than you requested per <code>ReceiveMessage</code> * call. If the number of messages in the queue is extremely small, you * might not receive any messages in a particular * <code>ReceiveMessage</code> response; in which case you should repeat the * request. * </p> * <p> * For each message returned, the response includes the following: * </p> * <ul> * <li> * <p> * Message body * </p> * </li> * <li> * <p> * MD5 digest of the message body. For information about MD5, see <a * href="https://www.ietf.org/rfc/rfc1321.txt">RFC1321</a>. * </p> * </li> * <li> * <p> * Message ID you received when you sent the message to the queue. * </p> * </li> * <li> * <p> * Receipt handle. * </p> * </li> * <li> * <p> * Message attributes. * </p> * </li> * <li> * <p> * MD5 digest of the message attributes. * </p> * </li> * </ul> * <p> * The receipt handle is the identifier you must provide when deleting the * message. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/ImportantIdentifiers.html" * >Queue and Message Identifiers</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * <p> * You can provide the <code>VisibilityTimeout</code> parameter in your * request, which will be applied to the messages that Amazon SQS returns in * the response. If you don't include the parameter, the overall visibility * timeout for the queue is used for the returned messages. For more * information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html" * >Visibility Timeout</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * <p> * A message that is not deleted or a message whose visibility is not * extended before the visibility timeout expires counts as a failed * receive. Depending on the configuration of the queue, the message might * be sent to the dead letter queue. * </p> * <note> * <p> * Going forward, new attributes might be added. If you are writing code * that calls this action, we recommend that you structure your code so that * it can handle new attributes gracefully. * </p> * </note> * * @param receiveMessageRequest <p/> * @return receiveMessageResult The response from the ReceiveMessage service * method, as returned by Amazon SQS. * @throws OverLimitException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ReceiveMessageResult receiveMessage(ReceiveMessageRequest receiveMessageRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Revokes any permissions in the queue policy that matches the specified * <code>Label</code> parameter. Only the owner of the queue can remove * permissions. * </p> * * @param removePermissionRequest <p/> * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void removePermission(RemovePermissionRequest removePermissionRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Delivers a message to the specified queue. * </p> * <important> * <p> * The following list shows the characters (in Unicode) that are allowed in * your message, according to the W3C XML specification: * </p> * <p> * <code>#x9</code> | <code>#xA</code> | <code>#xD</code> | [ * <code>#x20</code> to <code>#xD7FF</code>] | [<code>#xE000</code> to * <code>#xFFFD</code>] | [<code>#x10000</code> to <code>#x10FFFF</code>] * </p> * <p> * For more information, see <a * href="https://www.ietf.org/rfc/rfc1321.txt">RFC1321</a>. If you send any * characters that aren't included in this list, your request will be * rejected. * </p> * </important> * * @param sendMessageRequest <p/> * @return sendMessageResult The response from the SendMessage service * method, as returned by Amazon SQS. * @throws InvalidMessageContentsException * @throws UnsupportedOperationException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ SendMessageResult sendMessage(SendMessageRequest sendMessageRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Delivers up to ten messages to the specified queue. This is a batch * version of <code> <a>SendMessage</a> </code>. For a FIFO queue, multiple * messages within a single batch are enqueued in the order they are sent. * </p> * <p> * The result of sending each message is reported individually in the * response. Because the batch request can result in a combination of * successful and unsuccessful actions, you should check for batch errors * even when the call returns an HTTP status code of 200. * </p> * <p> * The maximum allowed individual message size and the maximum total payload * size (the sum of the individual lengths of all of the batched messages) * are both 256 KB (262,144 bytes). * </p> * <important> * <p> * The following list shows the characters (in Unicode) that are allowed in * your message, according to the W3C XML specification: * </p> * <p> * <code>#x9</code> | <code>#xA</code> | <code>#xD</code> | [ * <code>#x20</code> to <code>#xD7FF</code>] | [<code>#xE000</code> to * <code>#xFFFD</code>] | [<code>#x10000</code> to <code>#x10FFFF</code>] * </p> * <p> * For more information, see <a * href="https://www.ietf.org/rfc/rfc1321.txt">RFC1321</a>. If you send any * characters that aren't included in this list, your request will be * rejected. * </p> * </important> * <p> * If you don't specify the <code>DelaySeconds</code> parameter for an * entry, Amazon SQS uses the default for the queue. * </p> * <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param sendMessageBatchRequest <p/> * @return sendMessageBatchResult The response from the SendMessageBatch * service method, as returned by Amazon SQS. * @throws TooManyEntriesInBatchRequestException * @throws EmptyBatchRequestException * @throws BatchEntryIdsNotDistinctException * @throws BatchRequestTooLongException * @throws InvalidBatchEntryIdException * @throws UnsupportedOperationException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ SendMessageBatchResult sendMessageBatch(SendMessageBatchRequest sendMessageBatchRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Sets the value of one or more queue attributes. When you change a queue's * attributes, the change can take up to 60 seconds for most of the * attributes to propagate throughout the SQS system. Changes made to the * <code>MessageRetentionPeriod</code> attribute can take up to 15 minutes. * </p> * <note> * <p> * In the future, new attributes might be added. When you write code that * calls this action, we recommend structuring your code so that it can * handle new attributes gracefully. * </p> * </note> * * @param setQueueAttributesRequest <p/> * @throws InvalidAttributeNameException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void setQueueAttributes(SetQueueAttributesRequest setQueueAttributesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Gets attributes for the specified queue. * </p> * <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param attributeNames <p> * A list of attributes for which to retrieve information. * </p> * <note> * <p> * Going forward, new attributes might be added. If you are * writing code that calls this action, we recommend that you * structure your code so that it can handle new attributes * gracefully. * </p> * </note> * <p> * The following attributes are supported: * </p> * <ul> * <li> * <p> * <code>All</code> - Returns all values. * </p> * </li> * <li> * <p> * <code>ApproximateNumberOfMessages</code> - Returns the * approximate number of visible messages in a queue. For more * information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/ApproximateNumber.html" * >Resources Required to Process Messages</a> in the <i>Amazon * SQS Developer Guide</i>. * </p> * </li> * <li> * <p> * <code>ApproximateNumberOfMessagesDelayed</code> - Returns the * approximate number of messages that are waiting to be added to * the queue. * </p> * </li> * <li> * <p> * <code>ApproximateNumberOfMessagesNotVisible</code> - Returns * the approximate number of messages that have not timed-out and * are not deleted. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/ApproximateNumber.html" * >Resources Required to Process Messages</a> in the <i>Amazon * SQS Developer Guide</i>. * </p> * </li> * <li> * <p> * <code>CreatedTimestamp</code> - Returns the time when the * queue was created in seconds (epoch time). * </p> * </li> * <li> * <p> * <code>DelaySeconds</code> - Returns the default delay on the * queue in seconds. * </p> * </li> * <li> * <p> * <code>LastModifiedTimestamp</code> - Returns the time when the * queue was last changed in seconds (epoch time). * </p> * </li> * <li> * <p> * <code>MaximumMessageSize</code> - Returns the limit of how * many bytes a message can contain before Amazon SQS rejects it. * </p> * </li> * <li> * <p> * <code>MessageRetentionPeriod</code> - Returns the number of * seconds for which Amazon SQS retains a message. * </p> * </li> * <li> * <p> * <code>Policy</code> - Returns the policy of the queue. * </p> * </li> * <li> * <p> * <code>QueueArn</code> - Returns the Amazon resource name (ARN) * of the queue. * </p> * </li> * <li> * <p> * <code>ReceiveMessageWaitTimeSeconds</code> - Returns the * number of seconds for which ReceiveMessage call will wait for * a message to arrive. * </p> * </li> * <li> * <p> * <code>RedrivePolicy</code> - Returns the parameters for dead * letter queue functionality of the source queue. For more * information about the redrive policy and dead letter queues, * see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSDeadLetterQueue.html" * >Using Amazon SQS Dead Letter Queues</a> in the <i>Amazon SQS * Developer Guide</i>. * </p> * </li> * <li> * <p> * <code>VisibilityTimeout</code> - Returns the visibility * timeout for the queue. For more information about the * visibility timeout, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html" * >Visibility Timeout</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * </li> * </ul> * <p> * The following attributes apply only to <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues.html" * >FIFO (first-in-first-out) queues</a>: * </p> * <ul> * <li> * <p> * <code>FifoQueue</code> - Returns whether the queue is FIFO. * For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues.html#FIFO-queues-understanding-logic" * >FIFO Queue Logic</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * </li> * <li> * <p> * <code>ContentBasedDeduplication</code> - Returns whether * content-based deduplication is enabled for the queue. For more * information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues.html#FIFO-queues-exactly-once-processing" * >Exactly-Once Processing</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * </li> * </ul> * @return getQueueAttributesResult The response from the GetQueueAttributes * service method, as returned by Amazon SQS. * @throws InvalidAttributeNameException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ GetQueueAttributesResult getQueueAttributes(String queueUrl, java.util.List<String> attributeNames) throws AmazonClientException, AmazonServiceException; /** * <p> * Creates a new standard or FIFO queue or returns the URL of an existing * queue. You can pass one or more attributes in the request. * </p> * <ul> * <li> * <p> * If you don't specify the <code>FifoQueue</code> attribute, Amazon SQS * creates a standard queue. * </p> * <note> * <p> * You can't change the queue type after you create it and you can't convert * an existing standard queue into a FIFO queue. You must either create a * new FIFO queue for your application or delete your existing standard * queue and recreate it as a FIFO queue. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues-moving.html" * > Moving From a Standard Queue to a FIFO Queue</a> in the <i>Amazon SQS * Developer Guide</i>. * </p> * </note></li> * <li> * <p> * If you don't provide a value for an attribute, the queue is created with * the default value for the attribute. * </p> * </li> * <li> * <p> * If you delete a queue, you must wait at least 60 seconds before creating * a queue with the same name. * </p> * </li> * </ul> * <p> * To successfully create a new queue, you must provide a queue name that * adheres to the <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/limits-queues.html" * >limits related to queues</a> and is unique within the scope of your * queues. * </p> * <p> * To get the queue URL, use the <a>GetQueueUrl</a> action. * <a>GetQueueUrl</a> requires only the <code>QueueName</code> parameter. * </p> * <ul> * <li> * <p> * If you provide the name of an existing queue along with the exact names * and values of all the queue's attributes, <code>CreateQueue</code> * returns the queue URL for the existing queue. * </p> * </li> * <li> * <p> * If the queue name, attribute names, or attribute values don't match an * existing queue, <code>CreateQueue</code> returns an error. * </p> * </li> * </ul> * <p> * Some API actions take lists of parameters. Specify these lists using the * <code>param.n</code> notation. Values of <code>n</code> are integers * starting from 1. The following is an example of a parameter list with two * elements: * </p> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param queueName <p> * The name of the new queue. The following limits apply to this * name: * </p> * <ul> * <li> * <p> * A queue name can have up to 80 characters. * </p> * </li> * <li> * <p> * The following are accepted: alphanumeric chatacters, hyphens ( * <code>-</code>), and underscores (<code>_</code>). * </p> * </li> * <li> * <p> * A FIFO queue name must end with the <code>.fifo</code> suffix. * </p> * </li> * </ul> * <p> * Queue names are case-sensitive. * </p> * @return createQueueResult The response from the CreateQueue service * method, as returned by Amazon SQS. * @throws QueueDeletedRecentlyException * @throws QueueNameExistsException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ CreateQueueResult createQueue(String queueName) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes the queue specified by the <b>queue URL</b>, regardless of * whether the queue is empty. If the specified queue doesn't exist, Amazon * SQS returns a successful response. * </p> * <important> * <p> * Use <code>DeleteQueue</code> with care; once you delete your queue, any * messages in the queue are no longer available. * </p> * </important> * <p> * When you delete a queue, the deletion process takes up to 60 seconds. * Requests you send involving that queue during the 60 seconds might * succeed. For example, a <a>SendMessage</a> request might succeed, but * after the 60 seconds, the queue and that message you sent no longer * exist. Also, when you delete a queue, you must wait at least 60 seconds * before creating a queue with the same name. * </p> * <p> * We reserve the right to delete queues that have had no activity for more * than 30 days. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSConcepts.html" * >How Amazon SQS Queues Work</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void deleteQueue(String queueUrl) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns the URL of an existing queue. This action provides a simple way * to retrieve the URL of an Amazon SQS queue. * </p> * <p> * To access a queue that belongs to another AWS account, use the * <code>QueueOwnerAWSAccountId</code> parameter to specify the account ID * of the queue's owner. The queue's owner must grant you permission to * access the queue. For more information about shared queue access, see * <a>AddPermission</a> or see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html" * >Shared Queues</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * * @param queueName <p> * The name of the queue whose URL must be fetched. Maximum 80 * characters; alphanumeric characters, hyphens (-), and * underscores (_) are allowed. * </p> * <p> * Queue names are case-sensitive. * </p> * @return getQueueUrlResult The response from the GetQueueUrl service * method, as returned by Amazon SQS. * @throws QueueDoesNotExistException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ GetQueueUrlResult getQueueUrl(String queueName) throws AmazonClientException, AmazonServiceException; /** * <p> * Retrieves one or more messages, with a maximum limit of 10 messages, from * the specified queue. Long poll support is enabled by using the * <code>WaitTimeSeconds</code> parameter. For more information, see <a * href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-long-polling.html" * >Amazon SQS Long Poll</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * <p> * Short poll is the default behavior where a weighted random set of * machines is sampled on a <code>ReceiveMessage</code> call. This means * only the messages on the sampled machines are returned. If the number of * messages in the queue is small (less than 1000), it is likely you will * get fewer messages than you requested per <code>ReceiveMessage</code> * call. If the number of messages in the queue is extremely small, you * might not receive any messages in a particular * <code>ReceiveMessage</code> response; in which case you should repeat the * request. * </p> * <p> * For each message returned, the response includes the following: * </p> * <ul> * <li> * <p> * Message body * </p> * </li> * <li> * <p> * MD5 digest of the message body. For information about MD5, see <a * href="https://www.ietf.org/rfc/rfc1321.txt">RFC1321</a>. * </p> * </li> * <li> * <p> * Message ID you received when you sent the message to the queue. * </p> * </li> * <li> * <p> * Receipt handle. * </p> * </li> * <li> * <p> * Message attributes. * </p> * </li> * <li> * <p> * MD5 digest of the message attributes. * </p> * </li> * </ul> * <p> * The receipt handle is the identifier you must provide when deleting the * message. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/ImportantIdentifiers.html" * >Queue and Message Identifiers</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * <p> * You can provide the <code>VisibilityTimeout</code> parameter in your * request, which will be applied to the messages that Amazon SQS returns in * the response. If you don't include the parameter, the overall visibility * timeout for the queue is used for the returned messages. For more * information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html" * >Visibility Timeout</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * <p> * A message that is not deleted or a message whose visibility is not * extended before the visibility timeout expires counts as a failed * receive. Depending on the configuration of the queue, the message might * be sent to the dead letter queue. * </p> * <note> * <p> * Going forward, new attributes might be added. If you are writing code * that calls this action, we recommend that you structure your code so that * it can handle new attributes gracefully. * </p> * </note> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @return receiveMessageResult The response from the ReceiveMessage service * method, as returned by Amazon SQS. * @throws OverLimitException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ReceiveMessageResult receiveMessage(String queueUrl) throws AmazonClientException, AmazonServiceException; /** * <p> * Delivers a message to the specified queue. * </p> * <important> * <p> * The following list shows the characters (in Unicode) that are allowed in * your message, according to the W3C XML specification: * </p> * <p> * <code>#x9</code> | <code>#xA</code> | <code>#xD</code> | [ * <code>#x20</code> to <code>#xD7FF</code>] | [<code>#xE000</code> to * <code>#xFFFD</code>] | [<code>#x10000</code> to <code>#x10FFFF</code>] * </p> * <p> * For more information, see <a * href="https://www.ietf.org/rfc/rfc1321.txt">RFC1321</a>. If you send any * characters that aren't included in this list, your request will be * rejected. * </p> * </important> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param messageBody <p> * The message to send. String maximum 256 KB in size. For a list * of allowed characters, see the preceding note. * </p> * @return sendMessageResult The response from the SendMessage service * method, as returned by Amazon SQS. * @throws InvalidMessageContentsException * @throws UnsupportedOperationException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ SendMessageResult sendMessage(String queueUrl, String messageBody) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes up to ten messages from the specified queue. This is a batch * version of <a>DeleteMessage</a>. The result of the delete action on each * message is reported individually in the response. * </p> * <important> * <p> * Because the batch request can result in a combination of successful and * unsuccessful actions, you should check for batch errors even when the * call returns an HTTP status code of 200. * </p> * </important> <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param entries <p> * A list of receipt handles for the messages to be deleted. * </p> * @return deleteMessageBatchResult The response from the DeleteMessageBatch * service method, as returned by Amazon SQS. * @throws TooManyEntriesInBatchRequestException * @throws EmptyBatchRequestException * @throws BatchEntryIdsNotDistinctException * @throws InvalidBatchEntryIdException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ DeleteMessageBatchResult deleteMessageBatch(String queueUrl, java.util.List<DeleteMessageBatchRequestEntry> entries) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns a list of your queues. The maximum number of queues that can be * returned is 1000. If you specify a value for the optional * <code>QueueNamePrefix</code> parameter, only queues with a name beginning * with the specified value are returned. * </p> * * @return listQueuesResult The response from the ListQueues service method, * as returned by Amazon SQS. * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ListQueuesResult listQueues() throws AmazonClientException, AmazonServiceException; /** * <p> * Returns a list of your queues. The maximum number of queues that can be * returned is 1000. If you specify a value for the optional * <code>QueueNamePrefix</code> parameter, only queues with a name beginning * with the specified value are returned. * </p> * * @param queueNamePrefix <p> * A string to use for filtering the list results. Only those * queues whose name begins with the specified string are * returned. * </p> * <p> * Queue names are case-sensitive. * </p> * @return listQueuesResult The response from the ListQueues service method, * as returned by Amazon SQS. * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ListQueuesResult listQueues(String queueNamePrefix) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes the specified message from the specified queue. You specify the * message by using the message's <code>receipt handle</code> and not the * <code>message ID</code> you received when you sent the message. Even if * the message is locked by another reader due to the visibility timeout * setting, it is still deleted from the queue. If you leave a message in * the queue for longer than the queue's configured retention period, Amazon * SQS automatically deletes it. * </p> * <note> * <p> * The receipt handle is associated with a specific instance of receiving * the message. If you receive a message more than once, the receipt handle * you get each time you receive the message is different. When you request * <code>DeleteMessage</code>, if you don't provide the most recently * received receipt handle for the message, the request will still succeed, * but the message might not be deleted. * </p> * </note> <important> * <p> * It is possible you will receive a message even after you have deleted it. * This might happen on rare occasions if one of the servers storing a copy * of the message is unavailable when you request to delete the message. The * copy remains on the server and might be returned to you again on a * subsequent receive request. You should create your system to be * idempotent so that receiving a particular message more than once is not a * problem. * </p> * </important> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param receiptHandle <p> * The receipt handle associated with the message to delete. * </p> * @throws InvalidIdFormatException * @throws ReceiptHandleIsInvalidException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void deleteMessage(String queueUrl, String receiptHandle) throws AmazonClientException, AmazonServiceException; /** * <p> * Delivers up to ten messages to the specified queue. This is a batch * version of <code> <a>SendMessage</a> </code>. For a FIFO queue, multiple * messages within a single batch are enqueued in the order they are sent. * </p> * <p> * The result of sending each message is reported individually in the * response. Because the batch request can result in a combination of * successful and unsuccessful actions, you should check for batch errors * even when the call returns an HTTP status code of 200. * </p> * <p> * The maximum allowed individual message size and the maximum total payload * size (the sum of the individual lengths of all of the batched messages) * are both 256 KB (262,144 bytes). * </p> * <important> * <p> * The following list shows the characters (in Unicode) that are allowed in * your message, according to the W3C XML specification: * </p> * <p> * <code>#x9</code> | <code>#xA</code> | <code>#xD</code> | [ * <code>#x20</code> to <code>#xD7FF</code>] | [<code>#xE000</code> to * <code>#xFFFD</code>] | [<code>#x10000</code> to <code>#x10FFFF</code>] * </p> * <p> * For more information, see <a * href="https://www.ietf.org/rfc/rfc1321.txt">RFC1321</a>. If you send any * characters that aren't included in this list, your request will be * rejected. * </p> * </important> * <p> * If you don't specify the <code>DelaySeconds</code> parameter for an * entry, Amazon SQS uses the default for the queue. * </p> * <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param entries <p> * A list of <a>SendMessageBatchRequestEntry</a> items. * </p> * @return sendMessageBatchResult The response from the SendMessageBatch * service method, as returned by Amazon SQS. * @throws TooManyEntriesInBatchRequestException * @throws EmptyBatchRequestException * @throws BatchEntryIdsNotDistinctException * @throws BatchRequestTooLongException * @throws InvalidBatchEntryIdException * @throws UnsupportedOperationException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ SendMessageBatchResult sendMessageBatch(String queueUrl, java.util.List<SendMessageBatchRequestEntry> entries) throws AmazonClientException, AmazonServiceException; /** * <p> * Revokes any permissions in the queue policy that matches the specified * <code>Label</code> parameter. Only the owner of the queue can remove * permissions. * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param label <p> * The identification of the permission to remove. This is the * label added with the <a>AddPermission</a> action. * </p> * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void removePermission(String queueUrl, String label) throws AmazonClientException, AmazonServiceException; /** * <p> * Adds a permission to a queue for a specific <a * href="http://docs.aws.amazon.com/general/latest/gr/glos-chap.html#P" * >principal</a>. This allows for sharing access to the queue. * </p> * <p> * When you create a queue, you have full control access rights for the * queue. Only you (as owner of the queue) can grant or deny permissions to * the queue. For more information about these permissions, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html" * >Shared Queues</a> in the <i>Amazon SQS Developer Guide</i>. * </p> * <note> * <p> * <code>AddPermission</code> writes an Amazon SQS-generated policy. If you * want to write your own policy, use <a>SetQueueAttributes</a> to upload * your policy. For more information about writing your own policy, see <a * href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AccessPolicyLanguage.html" * >Using The Access Policy Language</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * </note> <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param label <p> * The unique identification of the permission you're setting * (e.g., <code>AliceSendMessage</code>). Constraints: Maximum 80 * characters; alphanumeric characters, hyphens (-), and * underscores (_) are allowed. * </p> * @param aWSAccountIds <p> * The AWS account number of the <a href= * "http://docs.aws.amazon.com/general/latest/gr/glos-chap.html#P" * >principal</a> who will be given permission. The principal * must have an AWS account, but does not need to be signed up * for Amazon SQS. For information about locating the AWS account * identification, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AWSCredentials.html" * >Your AWS Identifiers</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * @param actions <p> * The action the client wants to allow for the specified * principal. The following are valid values: * <code>* | SendMessage | ReceiveMessage | DeleteMessage | ChangeMessageVisibility | GetQueueAttributes | GetQueueUrl</code> * . For more information about these actions, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html#PermissionTypes" * >Understanding Permissions</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * <p> * Specifying <code>SendMessage</code>, * <code>DeleteMessage</code>, or * <code>ChangeMessageVisibility</code> for the * <code>ActionName.n</code> also grants permissions for the * corresponding batch versions of those actions: * <code>SendMessageBatch</code>, <code>DeleteMessageBatch</code> * , and <code>ChangeMessageVisibilityBatch</code>. * </p> * @throws OverLimitException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void addPermission(String queueUrl, String label, java.util.List<String> aWSAccountIds, java.util.List<String> actions) throws AmazonClientException, AmazonServiceException; /** * <p> * Changes the visibility timeout of a specified message in a queue to a new * value. The maximum allowed timeout value you can set the value to is 12 * hours. This means you can't extend the timeout of a message in an * existing queue to more than a total visibility timeout of 12 hours. (For * more information visibility timeout, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html" * >Visibility Timeout</a> in the <i>Amazon SQS Developer Guide</i>.) * </p> * <p> * For example, let's say you have a message and its default message * visibility timeout is 5 minutes. After 3 minutes, you call * <code>ChangeMessageVisiblity</code> with a timeout of 10 minutes. At that * time, the timeout for the message would be extended by 10 minutes beyond * the time of the ChangeMessageVisibility call. This results in a total * visibility timeout of 13 minutes. You can continue to call * ChangeMessageVisibility to extend the visibility timeout to a maximum of * 12 hours. If you try to extend beyond 12 hours, the request will be * rejected. * </p> * <note> * <p> * There is a 120,000 limit for the number of inflight messages per queue. * Messages are inflight after they have been received from the queue by a * consuming component, but have not yet been deleted from the queue. If you * reach the 120,000 limit, you will receive an OverLimit error message from * Amazon SQS. To help avoid reaching the limit, you should delete the * messages from the queue after they have been processed. You can also * increase the number of queues you use to process the messages. * </p> * </note> <important> * <p> * If you attempt to set the <code>VisibilityTimeout</code> to an amount * more than the maximum time left, Amazon SQS returns an error. It will not * automatically recalculate and increase the timeout to the maximum time * remaining. * </p> * </important> <important> * <p> * Unlike with a queue, when you change the visibility timeout for a * specific message, that timeout value is applied immediately but is not * saved in memory for that message. If you don't delete a message after it * is received, the visibility timeout for the message the next time it is * received reverts to the original timeout value, not the value you set * with the <code>ChangeMessageVisibility</code> action. * </p> * </important> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param receiptHandle <p> * The receipt handle associated with the message whose * visibility timeout should be changed. This parameter is * returned by the <a>ReceiveMessage</a> action. * </p> * @param visibilityTimeout <p> * The new value (in seconds - from 0 to 43200 - maximum 12 * hours) for the message's visibility timeout. * </p> * @throws MessageNotInflightException * @throws ReceiptHandleIsInvalidException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void changeMessageVisibility(String queueUrl, String receiptHandle, Integer visibilityTimeout) throws AmazonClientException, AmazonServiceException; /** * <p> * Changes the visibility timeout of multiple messages. This is a batch * version of <a>ChangeMessageVisibility</a>. The result of the action on * each message is reported individually in the response. You can send up to * 10 <a>ChangeMessageVisibility</a> requests with each * <code>ChangeMessageVisibilityBatch</code> action. * </p> * <important> * <p> * Because the batch request can result in a combination of successful and * unsuccessful actions, you should check for batch errors even when the * call returns an HTTP status code of 200. * </p> * </important> <note> * <p> * Some API actions take lists of parameters. These lists are specified * using the <code>param.n</code> notation. Values of <code>n</code> are * integers starting from 1. For example, a parameter list with two elements * looks like this: * </p> * </note> * <p> * <code>&amp;Attribute.1=this</code> * </p> * <p> * <code>&amp;Attribute.2=that</code> * </p> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param entries <p> * A list of receipt handles of the messages for which the * visibility timeout must be changed. * </p> * @return changeMessageVisibilityBatchResult The response from the * ChangeMessageVisibilityBatch service method, as returned by * Amazon SQS. * @throws TooManyEntriesInBatchRequestException * @throws EmptyBatchRequestException * @throws BatchEntryIdsNotDistinctException * @throws InvalidBatchEntryIdException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ ChangeMessageVisibilityBatchResult changeMessageVisibilityBatch(String queueUrl, java.util.List<ChangeMessageVisibilityBatchRequestEntry> entries) throws AmazonClientException, AmazonServiceException; /** * <p> * Sets the value of one or more queue attributes. When you change a queue's * attributes, the change can take up to 60 seconds for most of the * attributes to propagate throughout the SQS system. Changes made to the * <code>MessageRetentionPeriod</code> attribute can take up to 15 minutes. * </p> * <note> * <p> * In the future, new attributes might be added. When you write code that * calls this action, we recommend structuring your code so that it can * handle new attributes gracefully. * </p> * </note> * * @param queueUrl <p> * The URL of the Amazon SQS queue to take action on. * </p> * <p> * Queue URLs are case-sensitive. * </p> * @param attributes <p> * A map of attributes to set. * </p> * <p> * The following lists the names, descriptions, and values of the * special request parameters that the * <code>SetQueueAttributes</code> action uses: * </p> * <ul> * <li> * <p> * <code>DelaySeconds</code> - The number of seconds for which * the delivery of all messages in the queue is delayed. An * integer from 0 to 900 (15 minutes). The default is 0 (zero). * </p> * </li> * <li> * <p> * <code>MaximumMessageSize</code> - The limit of how many bytes * a message can contain before Amazon SQS rejects it. An integer * from 1,024 bytes (1 KiB) up to 262,144 bytes (256 KiB). The * default is 262,144 (256 KiB). * </p> * </li> * <li> * <p> * <code>MessageRetentionPeriod</code> - The number of seconds * for which Amazon SQS retains a message. An integer * representing seconds, from 60 (1 minute) to 120,9600 (14 * days). The default is 345,600 (4 days). * </p> * </li> * <li> * <p> * <code>Policy</code> - The queue's policy. A valid AWS policy. * For more information about policy structure, see <a href= * "http://docs.aws.amazon.com/IAM/latest/UserGuide/PoliciesOverview.html" * >Overview of AWS IAM Policies</a> in the <i>Amazon IAM User * Guide</i>. * </p> * </li> * <li> * <p> * <code>ReceiveMessageWaitTimeSeconds</code> - The number of * seconds for which a <a>ReceiveMessage</a> action will wait for * a message to arrive. An integer from 0 to 20 (seconds). The * default is 0. * </p> * </li> * <li> * <p> * <code>RedrivePolicy</code> - The parameters for the dead * letter queue functionality of the source queue. For more * information about the redrive policy and dead letter queues, * see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSDeadLetterQueue.html" * >Using Amazon SQS Dead Letter Queues</a> in the <i>Amazon SQS * Developer Guide</i>. * </p> * <note> * <p> * The dead letter queue of a FIFO queue must also be a FIFO * queue. Similarly, the dead letter queue of a standard queue * must also be a standard queue. * </p> * </note></li> * <li> * <p> * <code>VisibilityTimeout</code> - The visibility timeout for * the queue. An integer from 0 to 43200 (12 hours). The default * is 30. For more information about the visibility timeout, see * <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html" * >Visibility Timeout</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * </li> * </ul> * <p> * The following attribute applies only to <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues.html" * >FIFO (first-in-first-out) queues</a>: * </p> * <ul> * <li> * <p> * <code>ContentBasedDeduplication</code> - Enables content-based * deduplication. For more information, see <a href= * "http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues.html#FIFO-queues-exactly-once-processing" * >Exactly-Once Processing</a> in the <i>Amazon SQS Developer * Guide</i>. * </p> * <ul> * <li> * <p> * Every message must have a unique * <code>MessageDeduplicationId</code>, * </p> * <ul> * <li> * <p> * You may provide a <code>MessageDeduplicationId</code> * explicitly. * </p> * </li> * <li> * <p> * If you aren't able to provide a * <code>MessageDeduplicationId</code> and you enable * <code>ContentBasedDeduplication</code> for your queue, Amazon * SQS uses a SHA-256 hash to generate the * <code>MessageDeduplicationId</code> using the body of the * message (but not the attributes of the message). * </p> * </li> * <li> * <p> * If you don't provide a <code>MessageDeduplicationId</code> and * the queue doesn't have <code>ContentBasedDeduplication</code> * set, the action fails with an error. * </p> * </li> * <li> * <p> * If the queue has <code>ContentBasedDeduplication</code> set, * your <code>MessageDeduplicationId</code> overrides the * generated one. * </p> * </li> * </ul> * </li> * <li> * <p> * When <code>ContentBasedDeduplication</code> is in effect, * messages with identical content sent within the deduplication * interval are treated as duplicates and only one copy of the * message is delivered. * </p> * </li> * <li> * <p> * You can also use <code>ContentBasedDeduplication</code> for * messages with identical content to be treated as duplicates. * </p> * </li> * <li> * <p> * If you send one message with * <code>ContentBasedDeduplication</code> enabled and then * another message with a <code>MessageDeduplicationId</code> * that is the same as the one generated for the first * <code>MessageDeduplicationId</code>, the two messages are * treated as duplicates and only one copy of the message is * delivered. * </p> * </li> * </ul> * </li> * </ul> * <p> * Any other valid special request parameters that are specified * (such as <code>ApproximateNumberOfMessages</code>, * <code>ApproximateNumberOfMessagesDelayed</code>, * <code>ApproximateNumberOfMessagesNotVisible</code>, * <code>CreatedTimestamp</code>, * <code>LastModifiedTimestamp</code>, and <code>QueueArn</code>) * will be ignored. * </p> * @throws InvalidAttributeNameException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * SQS indicating either a problem with the data in the request, * or a server side issue. */ void setQueueAttributes(String queueUrl, java.util.Map<String, String> attributes) throws AmazonClientException, AmazonServiceException; /** * Shuts down this client object, releasing any resources that might be held * open. This is an optional method, and callers are not expected to call * it, but can if they want to explicitly release any open resources. Once a * client has been shutdown, it should not be used to make any more * requests. */ public void shutdown(); /** * Returns additional metadata for a previously executed successful request, * typically used for debugging issues where a service isn't acting as * expected. This data isn't considered part of the result data returned by * an operation, so it's available through this separate, diagnostic * interface. * <p> * Response metadata is only cached for a limited period of time, so if you * need to access this extra diagnostic information for an executed request, * you should use this method to retrieve it as soon as possible after * executing a request. * * @param request The originally executed request. * @return The response metadata for the specified request, or null if none * is available. */ public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request); }