gcc/libjava/classpath/java/lang/management/MemoryManagerMXBean.java

/* MemoryManagerMXBean.java - Interface for a memory manager bean
   Copyright (C) 2006 Free Software Foundation

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

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02110-1301 USA.

Linking this library statically or dynamically with other modules is
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permission to link this library with independent modules to produce an
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package java.lang.management;

/**
 * Provides access to information about the memory managers
 * of the virtual machine.  An instance of this bean for each
 * memory manager is obtained by calling
 * {@link ManagementFactory#getMemoryManagerMXBeans()}.
 *
 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
 * @since 1.5
 */
public interface MemoryManagerMXBean
{

  /** 
   * Returns an array containing the names of the memory pools
   * this memory manager manages.
   * 
   * @return an array containing the name of each memory pool
   *         this manager is responsible for.
   */
  String[] getMemoryPoolNames();

  /**
   * Returns the name of the memory manager.
   *
   * @return the memory manager name.
   */
  String getName();

  /**
   * Returns true if this memory manager is still valid.  A memory
   * manager becomes invalid when it is removed by the virtual machine
   * and no longer used.
   *
   * @return true if this memory manager is valid.
   */
  boolean isValid();

}