MemoryManagerMXBean (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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java.lang.management
Interface MemoryManagerMXBean

All Known Subinterfaces:: GarbageCollectorMXBean

public interface MemoryManagerMXBean

The management interface for a memory manager. A memory manager manages one or more memory pools of the Java virtual machine.

A Java virtual machine has one or more memory managers. An instance implementing this interface is an MXBean that can be obtained by calling the ManagementFactory.getMemoryManagerMXBeans() method or from the platform MBeanServer method.

The ObjectName for uniquely identifying the MXBean for a memory manager within an MBeanServer is:

java.lang:type=MemoryManager,name=manager's name

Since:: 1.5
See Also:: MemoryMXBean, JMX Specification., Ways to Access MXBeans

Method Summary

String[] getMemoryPoolNames()
          Returns the name of memory pools that this memory manager manages.

String getName()
          Returns the name representing this memory manager.

boolean isValid()
          Tests if this memory manager is valid in the Java virtual machine.

Method Summary
`String[]`	`getMemoryPoolNames()` Returns the name of memory pools that this memory manager manages.
`String`	`getName()` Returns the name representing this memory manager.
`boolean`	`isValid()` Tests if this memory manager is valid in the Java virtual machine.

Method Detail

getName

String getName()

Returns the name representing this memory manager.

Returns:: the name of this memory manager.

isValid

boolean isValid()

Tests if this memory manager is valid in the Java virtual machine. A memory manager becomes invalid once the Java virtual machine removes it from the memory system.

Returns:: true if the memory manager is valid in the Java virtual machine; false otherwise.

getMemoryPoolNames

String[] getMemoryPoolNames()

Returns the name of memory pools that this memory manager manages.

Returns:: an array of String objects, each is the name of a memory pool that this memory manager manages.