/**
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License 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 org.apache.synapse.message;
import org.apache.synapse.MessageContext;
public interface MessageConsumer {
/**
* Receives the next message from the store.
* @return Synapse message context of the last message received from the store.
*/
MessageContext receive();
/**
* Acknowledges the last message received so that it will be removed from the store.
* @return {@code true} if the acknowledgement is successful. {@code false} otherwise.
*/
boolean ack();
/**
* Cleans up this message consumer
* @return {@code true} if cleanup is successful, {@code false} otherwise.
*/
boolean cleanup();
/**
* Check availability of connectivity with the message store
* @return {@code true} if connection available, {@code false} otherwise.
*/
boolean isAlive();
/**
* Sets the ID of this message consumer.
* @param i ID
*/
public void setId(int i);
/**
* Returns the ID of this Message consumer.
* @return ID
*/
public String getId();
}