author | darcy |
Wed, 23 Oct 2019 13:01:40 -0700 | |
changeset 58766 | 54ffb15c4839 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
58766
54ffb15c4839
8232442: Suppress warnings on non-serializable non-transient instance fields in java.management.*
darcy
parents:
47216
diff
changeset
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* Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.management; |
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// java import |
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import java.io.Serializable; |
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/** |
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* Represents an MBean attribute by associating its name with its value. |
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* The MBean server and other objects use this class to get and set attributes values. |
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* |
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* @since 1.5 |
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*/ |
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public class Attribute implements Serializable { |
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/* Serial version */ |
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private static final long serialVersionUID = 2484220110589082382L; |
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/** |
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* @serial Attribute name. |
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*/ |
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private String name; |
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/** |
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* @serial Attribute value |
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*/ |
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58766
54ffb15c4839
8232442: Suppress warnings on non-serializable non-transient instance fields in java.management.*
darcy
parents:
47216
diff
changeset
|
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@SuppressWarnings("serial") // Conditionally serializable |
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private Object value= null; |
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/** |
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* Constructs an Attribute object which associates the given attribute name with the given value. |
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* |
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* @param name A String containing the name of the attribute to be created. Cannot be null. |
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* @param value The Object which is assigned to the attribute. This object must be of the same type as the attribute. |
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* |
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*/ |
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public Attribute(String name, Object value) { |
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if (name == null) { |
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throw new RuntimeOperationsException(new IllegalArgumentException("Attribute name cannot be null ")); |
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} |
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this.name = name; |
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this.value = value; |
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} |
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/** |
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* Returns a String containing the name of the attribute. |
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* |
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* @return the name of the attribute. |
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*/ |
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public String getName() { |
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return name; |
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} |
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/** |
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* Returns an Object that is the value of this attribute. |
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* |
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* @return the value of the attribute. |
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*/ |
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public Object getValue() { |
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return value; |
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} |
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/** |
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* Compares the current Attribute Object with another Attribute Object. |
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* |
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* @param object The Attribute that the current Attribute is to be compared with. |
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* |
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* @return True if the two Attribute objects are equal, otherwise false. |
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*/ |
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public boolean equals(Object object) { |
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if (!(object instanceof Attribute)) { |
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return false; |
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} |
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Attribute val = (Attribute) object; |
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if (value == null) { |
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if (val.getValue() == null) { |
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return name.equals(val.getName()); |
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} else { |
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return false; |
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} |
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} |
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return ((name.equals(val.getName())) && |
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(value.equals(val.getValue()))); |
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} |
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/** |
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* Returns a hash code value for this attribute. |
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* |
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* @return a hash code value for this attribute. |
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*/ |
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public int hashCode() { |
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return name.hashCode() ^ (value == null ? 0 : value.hashCode()); |
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} |
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/** |
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* Returns a String object representing this Attribute's value. The format of this |
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* string is not specified, but users can expect that two Attributes return the |
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* same string if and only if they are equal. |
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*/ |
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public String toString() { |
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return getName() + " = " + getValue(); |
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} |
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} |