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	/*
	* Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package javax.management;


	// java import
	import java.io.Serializable;


	/**
	* Represents an MBean attribute by associating its name with its value.
	* The MBean server and other objects use this class to get and set attributes values.
	*
	* @since 1.5
	*/
	public class Attribute implements Serializable {

	/* Serial version */
	private static final long serialVersionUID = 2484220110589082382L;

	/**
	* @serial Attribute name.
	*/
	private String name;

	/**
	* @serial Attribute value
	*/
	private Object value= null;


	/**
	* Constructs an Attribute object which associates the given attribute name with the given value.
	*
	* @param name A String containing the name of the attribute to be created. Cannot be null.
	* @param value The Object which is assigned to the attribute. This object must be of the same type as the attribute.
	*
	*/
	public Attribute(String name, Object value) {

	if (name == null) {
	throw new RuntimeOperationsException(new IllegalArgumentException("Attribute name cannot be null "));
	}

	this.name = name;
	this.value = value;
	}


	/**
	* Returns a String containing the name of the attribute.
	*
	* @return the name of the attribute.
	*/
	public String getName() {
	return name;
	}

	/**
	* Returns an Object that is the value of this attribute.
	*
	* @return the value of the attribute.
	*/
	public Object getValue() {
	return value;
	}

	/**
	* Compares the current Attribute Object with another Attribute Object.
	*
	* @param object The Attribute that the current Attribute is to be compared with.
	*
	* @return True if the two Attribute objects are equal, otherwise false.
	*/


	public boolean equals(Object object) {
	if (!(object instanceof Attribute)) {
	return false;
	}
	Attribute val = (Attribute) object;

	if (value == null) {
	if (val.getValue() == null) {
	return name.equals(val.getName());
	} else {
	return false;
	}
	}

	return ((name.equals(val.getName())) &&
	(value.equals(val.getValue())));
	}

	/**
	* Returns a hash code value for this attribute.
	*
	* @return a hash code value for this attribute.
	*/
	public int hashCode() {
	return name.hashCode() ^ (value == null ? 0 : value.hashCode());
	}

	/**
	* Returns a String object representing this Attribute's value. The format of this
	* string is not specified, but users can expect that two Attributes return the
	* same string if and only if they are equal.
	*/
	public String toString() {
	return getName() + " = " + getValue();
	}
	}

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