org.apache.lucene.store

Class SingleInstanceLockFactory


public class SingleInstanceLockFactory
extends LockFactory

Implements LockFactory for a single in-process instance, meaning all locking will take place through this one instance. Only use this LockFactory when you are certain all IndexReaders and IndexWriters for a given index are running against a single shared in-process Directory instance. This is currently the default locking for RAMDirectory.
See Also:
LockFactory

Field Summary

Fields inherited from class org.apache.lucene.store.LockFactory

lockPrefix

Method Summary

void
clearLock(String lockName)
Attempt to clear (forcefully unlock and remove) the specified lock.
Lock
makeLock(String lockName)
Return a new Lock instance identified by lockName.

Methods inherited from class org.apache.lucene.store.LockFactory

clearLock, getLockPrefix, makeLock, setLockPrefix

Method Details

clearLock

public void clearLock(String lockName)
            throws IOException
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.
Overrides:
clearLock in interface LockFactory
Parameters:
lockName - name of the lock to be cleared.

makeLock

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

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