org.apache.lucene.store.jdbc.lock
Class NoOpLock

java.lang.Object
  extended by org.apache.lucene.store.Lock
      extended by org.apache.lucene.store.jdbc.lock.NoOpLock
All Implemented Interfaces:
JdbcLock

public class NoOpLock
extends Lock
implements JdbcLock

A simple no op lock. Performs no locking.

Author:
kimchy

Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.lucene.store.Lock
Lock.With
 
Field Summary
 
Fields inherited from class org.apache.lucene.store.Lock
failureReason, LOCK_OBTAIN_WAIT_FOREVER, LOCK_POLL_INTERVAL
 
Constructor Summary
NoOpLock()
           
 
Method Summary
 void configure(JdbcDirectory jdbcDirectory, String name)
          Configures the lock.
 void initializeDatabase(JdbcDirectory jdbcDirectory)
          Called without configure.
 boolean isLocked()
           
 boolean obtain()
           
 void release()
           
 
Methods inherited from class org.apache.lucene.store.Lock
obtain
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NoOpLock

public NoOpLock()
Method Detail

configure

public void configure(JdbcDirectory jdbcDirectory,
                      String name)
               throws IOException
Description copied from interface: JdbcLock
Configures the lock. Called just after the lock is instantiated.

Specified by:
configure in interface JdbcLock
Parameters:
jdbcDirectory - The directory using the lock
name - The name of the lock
Throws:
IOException

initializeDatabase

public void initializeDatabase(JdbcDirectory jdbcDirectory)
Description copied from interface: JdbcLock
Called without configure. Should initialize a creates database.

Specified by:
initializeDatabase in interface JdbcLock
Parameters:
jdbcDirectory - The directory owning the lock

obtain

public boolean obtain()
               throws IOException
Specified by:
obtain in class Lock
Throws:
IOException

release

public void release()
Specified by:
release in class Lock

isLocked

public boolean isLocked()
Specified by:
isLocked in class Lock


Copyright (c) 2004-2008 The Compass Project.