148 lines
4.4 KiB
Java
148 lines
4.4 KiB
Java
/* ObjectInstance.java -- Represent the bean instance used by a server.
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.management;
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import java.io.Serializable;
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/**
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* A simple class used to link a bean instance to its class name.
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* If the bean is a {@link DynamicMBean}, the class name may be
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* obtained using {@link MBeanInfo#getClassName()}.
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*
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* @author Andrew John Hughes (gnu_andrew@member.fsf.org)
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* @since 1.5
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*/
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public class ObjectInstance
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implements Serializable
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{
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/**
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* Compatible with JDK 1.5
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*/
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private static final long serialVersionUID = -4099952623687795850L;
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/**
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* The name of the bean.
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*/
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private ObjectName name;
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/**
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* The class name of the bean.
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*/
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private String className;
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/**
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* Constructs a new {@link ObjectInstance} for the specified bean
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* with the supplied class name. The class name should include
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* the full package name.
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*
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* @param name the name of the bean.
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* @param className the class name of the bean.
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*/
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public ObjectInstance(ObjectName name, String className)
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{
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this.name = name;
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this.className = className;
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}
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/**
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* Constructs a new {@link ObjectInstance} for the specified bean
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* with the supplied class name. The class name should include
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* the full package name.
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*
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* @param name the name of the bean.
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* @param className the class name of the bean.
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* @throws MalformedObjectNameException if the name of the bean
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* does not match the syntax
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* of an {@link ObjectName}.
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*/
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public ObjectInstance(String name, String className)
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throws MalformedObjectNameException
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{
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this(new ObjectName(name), className);
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}
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/**
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* Returns true if the supplied object is also an {@link ObjectInstance}
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* with the same bean and class name.
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*
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* @param obj the object to compare.
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* @return true if the the supplied object is equal to <code>this</code>.
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*/
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public boolean equals(Object obj)
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{
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if (!(obj instanceof ObjectInstance))
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return false;
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ObjectInstance i = (ObjectInstance) obj;
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return (i.getClassName().equals(className) &&
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i.getObjectName().equals(name));
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}
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/**
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* Returns the class name of the bean.
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*
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* @return the class name.
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*/
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public String getClassName()
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{
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return className;
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}
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/**
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* Returns the name of the bean.
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*
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* @return the name of the bean.
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*/
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public ObjectName getObjectName()
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{
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return name;
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}
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/**
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* Returns a hash code for this instance. This is calculated as
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* the sum of the hashcodes for the bean's name and the class name.
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*
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* @return the hash code of this instance.
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*/
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public int hashCode()
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{
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return name.hashCode() + className.hashCode();
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}
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}
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