org.jgroups.util
Class RWLock
public class RWLock
extends java.lang.Object
Lock allowing multiple reads or a single write. Waiting writes have
priority over new reads.
Code derived from com.sun.jini.thread.ReadersWriter,
Jini 1.1, Sun Microsystems
void | readLock() - Obtain a read lock
|
void | readLockNoBlock() - Obtain the read lock immediatelly or throw an exception if an
attempt to get the read lock would block this call
|
void | readUnlock() - Revoke the read lock
|
void | writeLock() - Obtain a write lock
|
void | writeLockNoBlock() - Obtain the write lock immediatelly or throw an exception if an attempt
to get the write lock would block this call
|
void | writeUnlock() - Revoke the write lock
|
readLock
public void readLock()
Obtain a read lock
readLockNoBlock
public void readLockNoBlock()
throws RWLock.BlockException
Obtain the read lock immediatelly or throw an exception if an
attempt to get the read lock would block this call
RWLock.BlockException
- if attempt to get the read lock would block this call
readUnlock
public void readUnlock()
Revoke the read lock
writeLock
public void writeLock()
Obtain a write lock
writeLockNoBlock
public void writeLockNoBlock()
throws RWLock.BlockException
Obtain the write lock immediatelly or throw an exception if an attempt
to get the write lock would block this call
RWLock.BlockException
- if attempt to get the write lock would block this
call
writeUnlock
public void writeUnlock()
Revoke the write lock
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