/* * Copyright 2010 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.simpledb.model; import com.amazonaws.AmazonWebServiceRequest; /** * Container for the parameters to the {@link com.amazonaws.services.simpledb.AmazonSimpleDB#deleteAttributes(DeleteAttributesRequest) DeleteAttributes operation}. * <p> * Deletes one or more attributes associated with an item. If all * attributes of the item are deleted, the item is deleted. * </p> * <p> * <b>NOTE:</b> If DeleteAttributes is called without being passed any * attributes or values specified, all the attributes for the item are * deleted. * </p> * <p> * <code>DeleteAttributes</code> is an idempotent operation; running it * multiple times on the same item or attribute does not result in an * error response. * </p> * <p> * Because Amazon SimpleDB makes multiple copies of item data and uses * an eventual consistency update model, performing a GetAttributes or * Select operation (read) immediately after a * <code>DeleteAttributes</code> or PutAttributes operation (write) might * not return updated item data. * </p> * * @see com.amazonaws.services.simpledb.AmazonSimpleDB#deleteAttributes(DeleteAttributesRequest) */ public class DeleteAttributesRequest extends AmazonWebServiceRequest { /** * The name of the domain in which to perform the operation. */ private String domainName; /** * The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. */ private String itemName; /** * A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. */ private java.util.List<Attribute> attributes; /** * The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. */ private UpdateCondition expected; /** * Default constructor for a new DeleteAttributesRequest object. Callers should use the * setter or fluent setter (with...) methods to initialize this object after creating it. */ public DeleteAttributesRequest() {} /** * Constructs a new DeleteAttributesRequest object. * Callers should use the setter or fluent setter (with...) methods to * initialize any additional object members. * * @param domainName The name of the domain in which to perform the * operation. * @param itemName The name of the item. Similar to rows on a * spreadsheet, items represent individual objects that contain one or * more value-attribute pairs. */ public DeleteAttributesRequest(String domainName, String itemName) { this.domainName = domainName; this.itemName = itemName; } /** * Constructs a new DeleteAttributesRequest object. * Callers should use the setter or fluent setter (with...) methods to * initialize any additional object members. * * @param domainName The name of the domain in which to perform the * operation. * @param itemName The name of the item. Similar to rows on a * spreadsheet, items represent individual objects that contain one or * more value-attribute pairs. * @param attributes A list of Attributes. Similar to columns on a * spreadsheet, attributes represent categories of data that can be * assigned to items. */ public DeleteAttributesRequest(String domainName, String itemName, java.util.List<Attribute> attributes) { this.domainName = domainName; this.itemName = itemName; this.attributes = attributes; } /** * Constructs a new DeleteAttributesRequest object. * Callers should use the setter or fluent setter (with...) methods to * initialize any additional object members. * * @param domainName The name of the domain in which to perform the * operation. * @param itemName The name of the item. Similar to rows on a * spreadsheet, items represent individual objects that contain one or * more value-attribute pairs. * @param attributes A list of Attributes. Similar to columns on a * spreadsheet, attributes represent categories of data that can be * assigned to items. * @param expected The update condition which, if specified, determines * whether the specified attributes will be deleted or not. The update * condition must be satisfied in order for this request to be processed * and the attributes to be deleted. */ public DeleteAttributesRequest(String domainName, String itemName, java.util.List<Attribute> attributes, UpdateCondition expected) { this.domainName = domainName; this.itemName = itemName; this.attributes = attributes; this.expected = expected; } /** * The name of the domain in which to perform the operation. * * @return The name of the domain in which to perform the operation. */ public String getDomainName() { return domainName; } /** * The name of the domain in which to perform the operation. * * @param domainName The name of the domain in which to perform the operation. */ public void setDomainName(String domainName) { this.domainName = domainName; } /** * The name of the domain in which to perform the operation. * <p> * Returns a reference to this object so that method calls can be chained together. * * @param domainName The name of the domain in which to perform the operation. * * @return A reference to this updated object so that method calls can be chained * together. */ public DeleteAttributesRequest withDomainName(String domainName) { this.domainName = domainName; return this; } /** * The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. * * @return The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. */ public String getItemName() { return itemName; } /** * The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. * * @param itemName The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. */ public void setItemName(String itemName) { this.itemName = itemName; } /** * The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. * <p> * Returns a reference to this object so that method calls can be chained together. * * @param itemName The name of the item. Similar to rows on a spreadsheet, items * represent individual objects that contain one or more value-attribute * pairs. * * @return A reference to this updated object so that method calls can be chained * together. */ public DeleteAttributesRequest withItemName(String itemName) { this.itemName = itemName; return this; } /** * A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. * * @return A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. */ public java.util.List<Attribute> getAttributes() { if (attributes == null) { attributes = new java.util.ArrayList<Attribute>(); } return attributes; } /** * A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. * * @param attributes A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. */ public void setAttributes(java.util.Collection<Attribute> attributes) { java.util.List<Attribute> attributesCopy = new java.util.ArrayList<Attribute>(); if (attributes != null) { attributesCopy.addAll(attributes); } this.attributes = attributesCopy; } /** * A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. * <p> * Returns a reference to this object so that method calls can be chained together. * * @param attributes A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. * * @return A reference to this updated object so that method calls can be chained * together. */ public DeleteAttributesRequest withAttributes(Attribute... attributes) { for (Attribute value : attributes) { getAttributes().add(value); } return this; } /** * A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. * <p> * Returns a reference to this object so that method calls can be chained together. * * @param attributes A list of Attributes. Similar to columns on a spreadsheet, attributes * represent categories of data that can be assigned to items. * * @return A reference to this updated object so that method calls can be chained * together. */ public DeleteAttributesRequest withAttributes(java.util.Collection<Attribute> attributes) { java.util.List<Attribute> attributesCopy = new java.util.ArrayList<Attribute>(); if (attributes != null) { attributesCopy.addAll(attributes); } this.attributes = attributesCopy; return this; } /** * The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. * * @return The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. */ public UpdateCondition getExpected() { return expected; } /** * The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. * * @param expected The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. */ public void setExpected(UpdateCondition expected) { this.expected = expected; } /** * The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. * <p> * Returns a reference to this object so that method calls can be chained together. * * @param expected The update condition which, if specified, determines whether the * specified attributes will be deleted or not. The update condition must * be satisfied in order for this request to be processed and the * attributes to be deleted. * * @return A reference to this updated object so that method calls can be chained * together. */ public DeleteAttributesRequest withExpected(UpdateCondition expected) { this.expected = expected; return this; } /** * Returns a string representation of this object; useful for testing and * debugging. * * @return A string representation of this object. * * @see java.lang.Object#toString() */ @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append("{"); sb.append("DomainName: " + domainName + ", "); sb.append("ItemName: " + itemName + ", "); sb.append("Attributes: " + attributes + ", "); sb.append("Expected: " + expected + ", "); sb.append("}"); return sb.toString(); } }