org.apache.lucene.store

Class VerifyingLockFactory.CheckedLock

java.lang.Object

org.apache.lucene.store.Lock

org.apache.lucene.store.VerifyingLockFactory.CheckedLock

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Enclosing class:

VerifyingLockFactory

private class VerifyingLockFactory.CheckedLock
extends Lock

Field Summary

Fields

Modifier and Type	Field and Description
private Lock	lock

Constructor Summary

Constructors

Constructor and Description
CheckedLock(Lock lock)

Method Summary

Modifier and Type	Method and Description
void	close() Releases exclusive access.
void	ensureValid() Best effort check that this lock is still valid.
private void	verify(byte message)

Methods inherited from class java.lang.Object

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

Field Detail

lock

private final Lock lock

Constructor Detail

CheckedLock

public CheckedLock(Lock lock)
            throws java.io.IOException

Throws:

java.io.IOException

Method Detail

ensureValid

public void ensureValid()
                 throws java.io.IOException

Description copied from class: Lock

Best effort check that this lock is still valid. Locks could become invalidated externally for a number of reasons, for example if a user deletes the lock file manually or when a network filesystem is in use.

Specified by:

ensureValid in class Lock

Throws:

java.io.IOException - if the lock is no longer valid.

close

public void close()
           throws java.io.IOException

Description copied from class: Lock

Releases exclusive access.

Note that exceptions thrown from close may require human intervention, as it may mean the lock was no longer valid, or that fs permissions prevent removal of the lock file, or other reasons.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class Lock

Throws:

java.io.IOException

verify

private void verify(byte message)
             throws java.io.IOException

Throws:

java.io.IOException