Source for gnu.java.lang.management.MemoryManagerMXBeanImpl

   1: /* MemoryManagerMXBeanImpl.java - Implementation of a memory manager bean
   2:    Copyright (C) 2006 Free Software Foundation
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.java.lang.management;
  39: 
  40: import java.lang.management.MemoryManagerMXBean;
  41: 
  42: import javax.management.NotCompliantMBeanException;
  43: 
  44: /**
  45:  * Provides access to information about one of the memory
  46:  * managers used by the current invocation of the
  47:  * virtual machine.  An instance of this bean for each memory
  48:  * manager is obtained by calling
  49:  * {@link ManagementFactory#getMemoryPoolMXBeans()}.
  50:  *
  51:  * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  52:  * @since 1.5
  53:  */
  54: public class MemoryManagerMXBeanImpl
  55:   extends BeanImpl
  56:   implements MemoryManagerMXBean
  57: {
  58: 
  59:   /**
  60:    * The name of the memory manager.
  61:    */
  62:   protected String name;
  63: 
  64:   /**
  65:    * Constructs a new <code>MemoryManagerMXBeanImpl</code>.
  66:    *
  67:    * @param name the name of the manager this bean represents.
  68:    * @throws NotCompliantMBeanException if this class doesn't implement
  69:    *                                    the interface or a method appears
  70:    *                                    in the interface that doesn't comply
  71:    *                                    with the naming conventions.
  72:    */
  73:   public MemoryManagerMXBeanImpl(String name)
  74:     throws NotCompliantMBeanException
  75:   {
  76:     this(name, MemoryManagerMXBean.class);
  77:   }
  78: 
  79:   /**
  80:    * Constructs a new <code>MemoryManagerMXBeanImpl</code>
  81:    * implementing the specified bean interface.
  82:    *
  83:    * @param name the name of the manager this bean represents.
  84:    * @param iface the bean interface being implemented.
  85:    * @throws NotCompliantMBeanException if this class doesn't implement
  86:    *                                    the interface or a method appears
  87:    *                                    in the interface that doesn't comply
  88:    *                                    with the naming conventions.
  89:    */
  90:   protected MemoryManagerMXBeanImpl(String name, Class iface)
  91:     throws NotCompliantMBeanException
  92:   {
  93:     super(iface);
  94:     this.name = name;
  95:   }
  96: 
  97:   public String[] getMemoryPoolNames()
  98:   {
  99:     return VMMemoryManagerMXBeanImpl.getMemoryPoolNames(name);
 100:   }
 101: 
 102:   public String getName()
 103:   {
 104:     return name;
 105:   }
 106: 
 107:   public boolean isValid()
 108:   {
 109:     return VMMemoryManagerMXBeanImpl.isValid(name);
 110:   }
 111: 
 112: }