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Java Source Code / Java Documentation » Net » lucene connector » org.apache.lucene.store

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Class Diagram

Java Document (Java Doc)

java.lang .Object

org.apache.lucene.store .LockFactory

All known Subclasses:   org.apache.lucene.store .NativeFSLockFactory,  org.apache.lucene.store .NoLockFactory,  org.apache.lucene.store .SingleInstanceLockFactory,  org.apache.lucene.store .SimpleFSLockFactory,  org.apache.lucene.store .VerifyingLockFactory,
LockFactory
abstract public class LockFactory (Code)

Base class for Locking implementation. Directory uses instances of this class to implement locking.

Note that there are some useful tools to verify that your LockFactory is working correctly: VerifyingLockFactory , LockStressTest , LockVerifyServer .

See Also:   LockVerifyServer
See Also:   LockStressTest
See Also:   VerifyingLockFactory

Field Summary
protected String lockPrefix


Method Summary
abstract public void clearLock(String lockName)
     Attempt to clear (forcefully unlock and remove) the specified lock.
public String getLockPrefix()
     Get the prefix in use for all locks created in this LockFactory.
abstract public Lock makeLock(String lockName)
     Return a new Lock instance identified by lockName.
public void setLockPrefix(String lockPrefix)
     Set the prefix in use for all locks created in this LockFactory.

Field Detail
lockPrefix
protected String lockPrefix(Code)

Method Detail
clearLock
abstract public void clearLock(String lockName) throws IOException(Code)
Attempt to clear (forcefully unlock and remove) the specified lock. Only call this at a time when you are certain this lock is no longer in use.
Parameters:
  lockName - name of the lock to be cleared.

getLockPrefix
public String getLockPrefix()(Code)
Get the prefix in use for all locks created in this LockFactory.

makeLock
abstract public Lock makeLock(String lockName)(Code)
Return a new Lock instance identified by lockName.
Parameters:
  lockName - name of the lock to be created.

setLockPrefix
public void setLockPrefix(String lockPrefix)(Code)
Set the prefix in use for all locks created in this LockFactory. This is normally called once, when a Directory gets this LockFactory instance. However, you can also call this (after this instance is assigned to a Directory) to override the prefix in use. This is helpful if you're running Lucene on machines that have different mount points for the same shared directory.

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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