org.logicalcobwebs.concurrent
Class ReaderPreferenceReadWriteLock

java.lang.Object
  org.logicalcobwebs.concurrent.WriterPreferenceReadWriteLock
      org.logicalcobwebs.concurrent.ReaderPreferenceReadWriteLock

All Implemented Interfaces:

ReadWriteLock

public class ReaderPreferenceReadWriteLock
extends WriterPreferenceReadWriteLock

A ReadWriteLock that prefers waiting readers over waiting writers when there is contention. The range of applicability of this class is very limited. In the majority of situations, writer preference locks provide more reasonable semantics.

[ Introduction to this package. ]

Nested Class Summary

Nested classes/interfaces inherited from class org.logicalcobwebs.concurrent.WriterPreferenceReadWriteLock

WriterPreferenceReadWriteLock.ReaderLock, WriterPreferenceReadWriteLock.Signaller, WriterPreferenceReadWriteLock.WriterLock

Field Summary

Fields inherited from class org.logicalcobwebs.concurrent.WriterPreferenceReadWriteLock

activeReaders_, activeWriter_, readerLock_, waitingReaders_, waitingWriters_, writerLock_

Constructor Summary

ReaderPreferenceReadWriteLock()

Method Summary

protected boolean

allowReader() Override this method to change to reader preference

Methods inherited from class org.logicalcobwebs.concurrent.WriterPreferenceReadWriteLock

cancelledWaitingReader, cancelledWaitingWriter, endRead, endWrite, readLock, startRead, startReadFromNewReader, startReadFromWaitingReader, startWrite, startWriteFromNewWriter, startWriteFromWaitingWriter, writeLock

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderPreferenceReadWriteLock

public ReaderPreferenceReadWriteLock()

Method Detail

allowReader

protected boolean allowReader()

Description copied from class: WriterPreferenceReadWriteLock

Override this method to change to reader preference

Overrides:

allowReader in class WriterPreferenceReadWriteLock