Package org.apache.hadoop.util

Class InstrumentedReadWriteLock

java.lang.Object

org.apache.hadoop.util.InstrumentedReadWriteLock

All Implemented Interfaces:

java.util.concurrent.locks.ReadWriteLock

@Private
@Unstable
public class InstrumentedReadWriteLock
extends java.lang.Object
implements java.util.concurrent.locks.ReadWriteLock

This is a wrap class of a ReentrantReadWriteLock. It implements the interface ReadWriteLock, and can be used to create instrumented ReadLock and WriteLock.

Constructor Summary

Constructors

Constructor	Description
InstrumentedReadWriteLock(boolean fair, java.lang.String name, org.slf4j.Logger logger, long minLoggingGapMs, long lockWarningThresholdMs)

Method Summary

Modifier and Type	Method	Description
java.util.concurrent.locks.Lock	readLock()
java.util.concurrent.locks.Lock	writeLock()

Methods inherited from class java.lang.Object

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

Constructor Detail

InstrumentedReadWriteLock

public InstrumentedReadWriteLock(boolean fair,
                                 java.lang.String name,
                                 org.slf4j.Logger logger,
                                 long minLoggingGapMs,
                                 long lockWarningThresholdMs)

Method Detail

readLock

public java.util.concurrent.locks.Lock readLock()

Specified by:

readLock in interface java.util.concurrent.locks.ReadWriteLock

writeLock

public java.util.concurrent.locks.Lock writeLock()

Specified by:

writeLock in interface java.util.concurrent.locks.ReadWriteLock