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The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2010-2014 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.dynamodbv2.model;

import java.io.Serializable;

/**
 * 

* Represents a set of primary keys and, for each key, the attributes to * retrieve from the table. *

*/ public class KeysAndAttributes implements Serializable { /** * The primary key attribute values that define the items and the * attributes associated with the items. *

* Constraints:
* Length: 1 - 100
*/ private com.amazonaws.internal.ListWithAutoConstructFlag> keys; /** * One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. *

* Constraints:
* Length: 1 -
*/ private com.amazonaws.internal.ListWithAutoConstructFlag attributesToGet; /** * The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. */ private Boolean consistentRead; /** * The primary key attribute values that define the items and the * attributes associated with the items. *

* Constraints:
* Length: 1 - 100
* * @return The primary key attribute values that define the items and the * attributes associated with the items. */ public java.util.List> getKeys() { return keys; } /** * The primary key attribute values that define the items and the * attributes associated with the items. *

* Constraints:
* Length: 1 - 100
* * @param keys The primary key attribute values that define the items and the * attributes associated with the items. */ public void setKeys(java.util.Collection> keys) { if (keys == null) { this.keys = null; return; } com.amazonaws.internal.ListWithAutoConstructFlag> keysCopy = new com.amazonaws.internal.ListWithAutoConstructFlag>(keys.size()); keysCopy.addAll(keys); this.keys = keysCopy; } /** * The primary key attribute values that define the items and the * attributes associated with the items. *

* Returns a reference to this object so that method calls can be chained together. *

* Constraints:
* Length: 1 - 100
* * @param keys The primary key attribute values that define the items and the * attributes associated with the items. * * @return A reference to this updated object so that method calls can be chained * together. */ public KeysAndAttributes withKeys(java.util.Map... keys) { if (getKeys() == null) setKeys(new java.util.ArrayList>(keys.length)); for (java.util.Map value : keys) { getKeys().add(value); } return this; } /** * The primary key attribute values that define the items and the * attributes associated with the items. *

* Returns a reference to this object so that method calls can be chained together. *

* Constraints:
* Length: 1 - 100
* * @param keys The primary key attribute values that define the items and the * attributes associated with the items. * * @return A reference to this updated object so that method calls can be chained * together. */ public KeysAndAttributes withKeys(java.util.Collection> keys) { if (keys == null) { this.keys = null; } else { com.amazonaws.internal.ListWithAutoConstructFlag> keysCopy = new com.amazonaws.internal.ListWithAutoConstructFlag>(keys.size()); keysCopy.addAll(keys); this.keys = keysCopy; } return this; } /** * One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. *

* Constraints:
* Length: 1 -
* * @return One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. */ public java.util.List getAttributesToGet() { return attributesToGet; } /** * One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. *

* Constraints:
* Length: 1 -
* * @param attributesToGet One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. */ public void setAttributesToGet(java.util.Collection attributesToGet) { if (attributesToGet == null) { this.attributesToGet = null; return; } com.amazonaws.internal.ListWithAutoConstructFlag attributesToGetCopy = new com.amazonaws.internal.ListWithAutoConstructFlag(attributesToGet.size()); attributesToGetCopy.addAll(attributesToGet); this.attributesToGet = attributesToGetCopy; } /** * One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. *

* Returns a reference to this object so that method calls can be chained together. *

* Constraints:
* Length: 1 -
* * @param attributesToGet One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. * * @return A reference to this updated object so that method calls can be chained * together. */ public KeysAndAttributes withAttributesToGet(String... attributesToGet) { if (getAttributesToGet() == null) setAttributesToGet(new java.util.ArrayList(attributesToGet.length)); for (String value : attributesToGet) { getAttributesToGet().add(value); } return this; } /** * One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. *

* Returns a reference to this object so that method calls can be chained together. *

* Constraints:
* Length: 1 -
* * @param attributesToGet One or more attributes to retrieve from the table or index. If no * attribute names are specified then all attributes will be returned. If * any of the specified attributes are not found, they will not appear in * the result. * * @return A reference to this updated object so that method calls can be chained * together. */ public KeysAndAttributes withAttributesToGet(java.util.Collection attributesToGet) { if (attributesToGet == null) { this.attributesToGet = null; } else { com.amazonaws.internal.ListWithAutoConstructFlag attributesToGetCopy = new com.amazonaws.internal.ListWithAutoConstructFlag(attributesToGet.size()); attributesToGetCopy.addAll(attributesToGet); this.attributesToGet = attributesToGetCopy; } return this; } /** * The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. * * @return The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. */ public Boolean isConsistentRead() { return consistentRead; } /** * The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. * * @param consistentRead The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. */ public void setConsistentRead(Boolean consistentRead) { this.consistentRead = consistentRead; } /** * The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. *

* Returns a reference to this object so that method calls can be chained together. * * @param consistentRead The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. * * @return A reference to this updated object so that method calls can be chained * together. */ public KeysAndAttributes withConsistentRead(Boolean consistentRead) { this.consistentRead = consistentRead; return this; } /** * The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. * * @return The consistency of a read operation. If set to true, then * a strongly consistent read is used; otherwise, an eventually * consistent read is used. */ public Boolean getConsistentRead() { return consistentRead; } /** * 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("{"); if (getKeys() != null) sb.append("Keys: " + getKeys() + ","); if (getAttributesToGet() != null) sb.append("AttributesToGet: " + getAttributesToGet() + ","); if (isConsistentRead() != null) sb.append("ConsistentRead: " + isConsistentRead() ); sb.append("}"); return sb.toString(); } @Override public int hashCode() { final int prime = 31; int hashCode = 1; hashCode = prime * hashCode + ((getKeys() == null) ? 0 : getKeys().hashCode()); hashCode = prime * hashCode + ((getAttributesToGet() == null) ? 0 : getAttributesToGet().hashCode()); hashCode = prime * hashCode + ((isConsistentRead() == null) ? 0 : isConsistentRead().hashCode()); return hashCode; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (obj instanceof KeysAndAttributes == false) return false; KeysAndAttributes other = (KeysAndAttributes)obj; if (other.getKeys() == null ^ this.getKeys() == null) return false; if (other.getKeys() != null && other.getKeys().equals(this.getKeys()) == false) return false; if (other.getAttributesToGet() == null ^ this.getAttributesToGet() == null) return false; if (other.getAttributesToGet() != null && other.getAttributesToGet().equals(this.getAttributesToGet()) == false) return false; if (other.isConsistentRead() == null ^ this.isConsistentRead() == null) return false; if (other.isConsistentRead() != null && other.isConsistentRead().equals(this.isConsistentRead()) == false) return false; return true; } }





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