/*
* 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.ec2.model;
import java.io.Serializable;
/**
* <p>
* Describes a tag.
* </p>
*/
public class Tag implements Serializable {
/**
* The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
*/
private String key;
/**
* The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
*/
private String value;
/**
* Default constructor for a new Tag object. Callers should use the
* setter or fluent setter (with...) methods to initialize this object after creating it.
*/
public Tag() {}
/**
* Constructs a new Tag object.
* Callers should use the setter or fluent setter (with...) methods to
* initialize any additional object members.
*
* @param key The key of the tag. <p>Constraints: Tag keys are
* case-sensitive and accept a maximum of 127 Unicode characters. May not
* begin with <code>aws:</code>
* @param value The value of the tag. <p>Constraints: Tag values are
* case-sensitive and accept a maximum of 255 Unicode characters.
*/
public Tag(String key, String value) {
setKey(key);
setValue(value);
}
/**
* Constructs a new Tag object.
* Callers should use the setter or fluent setter (with...) methods to
* initialize any additional object members.
*
* @param key The key of the tag. <p>Constraints: Tag keys are
* case-sensitive and accept a maximum of 127 Unicode characters. May not
* begin with <code>aws:</code>
*/
public Tag(String key) {
setKey(key);
}
/**
* The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
*
* @return The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
*/
public String getKey() {
return key;
}
/**
* The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
*
* @param key The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
*/
public void setKey(String key) {
this.key = key;
}
/**
* The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
* <p>
* Returns a reference to this object so that method calls can be chained together.
*
* @param key The key of the tag. <p>Constraints: Tag keys are case-sensitive and
* accept a maximum of 127 Unicode characters. May not begin with
* <code>aws:</code>
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public Tag withKey(String key) {
this.key = key;
return this;
}
/**
* The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
*
* @return The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
*/
public String getValue() {
return value;
}
/**
* The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
*
* @param value The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
*/
public void setValue(String value) {
this.value = value;
}
/**
* The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
* <p>
* Returns a reference to this object so that method calls can be chained together.
*
* @param value The value of the tag. <p>Constraints: Tag values are case-sensitive
* and accept a maximum of 255 Unicode characters.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public Tag withValue(String value) {
this.value = value;
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("{");
if (getKey() != null) sb.append("Key: " + getKey() + ",");
if (getValue() != null) sb.append("Value: " + getValue() );
sb.append("}");
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode + ((getKey() == null) ? 0 : getKey().hashCode());
hashCode = prime * hashCode + ((getValue() == null) ? 0 : getValue().hashCode());
return hashCode;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (obj instanceof Tag == false) return false;
Tag other = (Tag)obj;
if (other.getKey() == null ^ this.getKey() == null) return false;
if (other.getKey() != null && other.getKey().equals(this.getKey()) == false) return false;
if (other.getValue() == null ^ this.getValue() == null) return false;
if (other.getValue() != null && other.getValue().equals(this.getValue()) == false) return false;
return true;
}
}