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/*
* Copyright 2011-2016 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;
/**
*
* Describes a tag.
*
*/
public class Tag implements Serializable, Cloneable {
/**
*
* The key of the tag.
*
*
* Constraints: Tag keys are case-sensitive and accept a maximum of 127
* Unicode characters. May not begin with aws:
*
*/
private String key;
/**
*
* The value of the tag.
*
*
* Constraints: Tag values are case-sensitive and accept a maximum of 255
* Unicode characters.
*
*/
private String value;
/**
* Default constructor for Tag object. Callers should use the setter or
* fluent setter (with...) methods to initialize the 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.
*
* Constraints: Tag keys are case-sensitive and accept a maximum of
* 127 Unicode characters. May not begin with aws:
*/
public Tag(String key) {
setKey(key);
}
/**
* 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.
*
* Constraints: Tag keys are case-sensitive and accept a maximum of
* 127 Unicode characters. May not begin with aws:
* @param value
* The value of the tag.
*
*
* Constraints: Tag values are case-sensitive and accept a maximum of
* 255 Unicode characters.
*/
public Tag(String key, String value) {
setKey(key);
setValue(value);
}
/**
*
* The key of the tag.
*
*
* Constraints: Tag keys are case-sensitive and accept a maximum of 127
* Unicode characters. May not begin with aws:
*
*
* @param key
* The key of the tag.
*
* Constraints: Tag keys are case-sensitive and accept a maximum of
* 127 Unicode characters. May not begin with aws:
*/
public void setKey(String key) {
this.key = key;
}
/**
*
* The key of the tag.
*
*
* Constraints: Tag keys are case-sensitive and accept a maximum of 127
* Unicode characters. May not begin with aws:
*
*
* @return The key of the tag.
*
* Constraints: Tag keys are case-sensitive and accept a maximum of
* 127 Unicode characters. May not begin with aws:
*/
public String getKey() {
return this.key;
}
/**
*
* The key of the tag.
*
*
* Constraints: Tag keys are case-sensitive and accept a maximum of 127
* Unicode characters. May not begin with aws:
*
*
* @param key
* The key of the tag.
*
* Constraints: Tag keys are case-sensitive and accept a maximum of
* 127 Unicode characters. May not begin with aws:
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public Tag withKey(String key) {
setKey(key);
return this;
}
/**
*
* The value of the tag.
*
*
* Constraints: Tag values are case-sensitive and accept a maximum of 255
* Unicode characters.
*
*
* @param value
* The value of the tag.
*
* 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.
*
*
* Constraints: Tag values are case-sensitive and accept a maximum of 255
* Unicode characters.
*
*
* @return The value of the tag.
*
* Constraints: Tag values are case-sensitive and accept a maximum
* of 255 Unicode characters.
*/
public String getValue() {
return this.value;
}
/**
*
* The value of the tag.
*
*
* Constraints: Tag values are case-sensitive and accept a maximum of 255
* Unicode characters.
*
*
* @param value
* The value of the tag.
*
* Constraints: Tag values are case-sensitive and accept a maximum of
* 255 Unicode characters.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public Tag withValue(String value) {
setValue(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 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;
}
@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 Tag clone() {
try {
return (Tag) super.clone();
} catch (CloneNotSupportedException e) {
throw new IllegalStateException(
"Got a CloneNotSupportedException from Object.clone() "
+ "even though we're Cloneable!", e);
}
}
}