com.amazonaws.services.dynamodb.model.ExpectedAttributeValue Maven / Gradle / Ivy
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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.dynamodb.model;
import java.io.Serializable;
/**
*
* Allows you to provide an attribute name, and whether or not Amazon DynamoDB should check to see if the attribute value already exists; or if the
* attribute value exists and has a particular value before changing it.
*
* @deprecated Use {@link com.amazonaws.services.dynamodbv2.model.ExpectedAttributeValue} instead.
*/
@Deprecated
public class ExpectedAttributeValue implements Serializable {
/**
* Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*/
private AttributeValue value;
/**
* Specify whether or not a value already exists for the attribute
* name-value pair.
*/
private Boolean exists;
/**
* Default constructor for a new ExpectedAttributeValue object. Callers should use the
* setter or fluent setter (with...) methods to initialize this object after creating it.
*/
public ExpectedAttributeValue() {}
/**
* Constructs a new ExpectedAttributeValue object.
* Callers should use the setter or fluent setter (with...) methods to
* initialize any additional object members.
*
* @param value Specify whether or not a value already exists and has a
* specific content for the attribute name-value pair.
*/
public ExpectedAttributeValue(AttributeValue value) {
this.value = value;
}
/**
* Constructs a new ExpectedAttributeValue object.
* Callers should use the setter or fluent setter (with...) methods to
* initialize any additional object members.
*
* @param exists Specify whether or not a value already exists for the
* attribute name-value pair.
*/
public ExpectedAttributeValue(Boolean exists) {
this.exists = exists;
}
/**
* Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*
* @return Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*/
public AttributeValue getValue() {
return value;
}
/**
* Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*
* @param value Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*/
public void setValue(AttributeValue value) {
this.value = value;
}
/**
* Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*
* Returns a reference to this object so that method calls can be chained together.
*
* @param value Specify whether or not a value already exists and has a specific
* content for the attribute name-value pair.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public ExpectedAttributeValue withValue(AttributeValue value) {
this.value = value;
return this;
}
/**
* Specify whether or not a value already exists for the attribute
* name-value pair.
*
* @return Specify whether or not a value already exists for the attribute
* name-value pair.
*/
public Boolean isExists() {
return exists;
}
/**
* Specify whether or not a value already exists for the attribute
* name-value pair.
*
* @param exists Specify whether or not a value already exists for the attribute
* name-value pair.
*/
public void setExists(Boolean exists) {
this.exists = exists;
}
/**
* Specify whether or not a value already exists for the attribute
* name-value pair.
*
* Returns a reference to this object so that method calls can be chained together.
*
* @param exists Specify whether or not a value already exists for the attribute
* name-value pair.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public ExpectedAttributeValue withExists(Boolean exists) {
this.exists = exists;
return this;
}
/**
* Specify whether or not a value already exists for the attribute
* name-value pair.
*
* @return Specify whether or not a value already exists for the attribute
* name-value pair.
*/
public Boolean getExists() {
return exists;
}
/**
* 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 (getValue() != null) sb.append("Value: " + getValue() + ", ");
if (isExists() != null) sb.append("Exists: " + isExists() + ", ");
sb.append("}");
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode + ((getValue() == null) ? 0 : getValue().hashCode());
hashCode = prime * hashCode + ((isExists() == null) ? 0 : isExists().hashCode());
return hashCode;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (obj instanceof ExpectedAttributeValue == false) return false;
ExpectedAttributeValue other = (ExpectedAttributeValue)obj;
if (other.getValue() == null ^ this.getValue() == null) return false;
if (other.getValue() != null && other.getValue().equals(this.getValue()) == false) return false;
if (other.isExists() == null ^ this.isExists() == null) return false;
if (other.isExists() != null && other.isExists().equals(this.isExists()) == false) return false;
return true;
}
}