org.eclipse.aether.named.support

Class ReadWriteLockNamedLock

java.lang.Object

org.eclipse.aether.named.support.NamedLockSupport

org.eclipse.aether.named.support.ReadWriteLockNamedLock

All Implemented Interfaces:

java.lang.AutoCloseable, NamedLock

public class ReadWriteLockNamedLock
extends NamedLockSupport

Named lock support implementation that is using ReadWriteLock instances. The adapted lock MUST SUPPORT reentrancy, non re-entrant locks will NOT work. It is the responsibility of an adapting lock, to ensure that above lock requirement stands.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	ReadWriteLockNamedLock.Step

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.concurrent.locks.ReadWriteLock	readWriteLock
private java.lang.ThreadLocal<java.util.Deque<ReadWriteLockNamedLock.Step>>	threadSteps

Fields inherited from class org.eclipse.aether.named.support.NamedLockSupport

logger

Constructor Summary

Constructors

Constructor and Description
ReadWriteLockNamedLock(java.lang.String name, NamedLockFactorySupport factory, java.util.concurrent.locks.ReadWriteLock readWriteLock)

Method Summary

Modifier and Type	Method and Description
boolean	lockExclusively(long time, java.util.concurrent.TimeUnit unit) Tries to lock exclusively, may block for given time.
boolean	lockShared(long time, java.util.concurrent.TimeUnit unit) Tries to lock shared, may block for given time.
void	unlock() Unlocks the lock, must be invoked by caller after one of the NamedLock.lockShared(long, TimeUnit) or NamedLock.lockExclusively(long, TimeUnit).

Methods inherited from class org.eclipse.aether.named.support.NamedLockSupport

close, name

Methods inherited from class java.lang.Object

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

Field Detail

threadSteps

private final java.lang.ThreadLocal<java.util.Deque<ReadWriteLockNamedLock.Step>> threadSteps

readWriteLock

private final java.util.concurrent.locks.ReadWriteLock readWriteLock

Constructor Detail

ReadWriteLockNamedLock

public ReadWriteLockNamedLock(java.lang.String name,
                              NamedLockFactorySupport factory,
                              java.util.concurrent.locks.ReadWriteLock readWriteLock)

Method Detail

lockShared

public boolean lockShared(long time,
                          java.util.concurrent.TimeUnit unit)
                   throws java.lang.InterruptedException

Description copied from interface: NamedLock

Tries to lock shared, may block for given time. If successful, returns true.

Throws:

java.lang.InterruptedException

lockExclusively

public boolean lockExclusively(long time,
                               java.util.concurrent.TimeUnit unit)
                        throws java.lang.InterruptedException

Description copied from interface: NamedLock

Tries to lock exclusively, may block for given time. If successful, returns true.

Throws:

java.lang.InterruptedException

unlock

public void unlock()

Description copied from interface: NamedLock

Unlocks the lock, must be invoked by caller after one of the NamedLock.lockShared(long, TimeUnit) or NamedLock.lockExclusively(long, TimeUnit).