Package org.apache.bookkeeper.common.util

Class MemoryLimitController

java.lang.Object

org.apache.bookkeeper.common.util.MemoryLimitController

public class MemoryLimitController
extends java.lang.Object

Controller for tracking the amount of memory used for some task.

Constructor Summary

Constructors

Constructor	Description
MemoryLimitController(long memoryLimitBytes)

Method Summary

Modifier and Type	Method	Description
long	currentUsage()
void	releaseMemory(long size)
void	reserveMemory(long size)
boolean	tryReserveMemory(long size)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MemoryLimitController

public MemoryLimitController(long memoryLimitBytes)

Method Detail

tryReserveMemory

public boolean tryReserveMemory(long size)

reserveMemory

public void reserveMemory(long size)
                   throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

releaseMemory

public void releaseMemory(long size)

currentUsage

public long currentUsage()