org.hibernate.search.indexes.impl

Class SharingBufferReaderProvider.PerDirectoryLatestReader

java.lang.Object

org.hibernate.search.indexes.impl.SharingBufferReaderProvider.PerDirectoryLatestReader

Enclosing class:

SharingBufferReaderProvider

protected final class SharingBufferReaderProvider.PerDirectoryLatestReader
extends Object

An instance for each DirectoryProvider, establishing the association between "current" ReaderUsagePair for a DirectoryProvider and it's lock.

Field Summary

Fields

Modifier and Type	Field and Description
SharingBufferReaderProvider.ReaderUsagePair	current Reference to the most current IndexReader for a DirectoryProvider; guarded by lockOnReplaceCurrent;

Constructor Summary

Constructors

Constructor and Description
PerDirectoryLatestReader(Directory directory)

Method Summary

Modifier and Type	Method and Description
DirectoryReader	refreshAndGet() Gets an updated IndexReader for the current Directory; the index status will be checked.

Methods inherited from class java.lang.Object

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

Field Detail

current

public SharingBufferReaderProvider.ReaderUsagePair current

Reference to the most current IndexReader for a DirectoryProvider; guarded by lockOnReplaceCurrent;

Constructor Detail

PerDirectoryLatestReader

public PerDirectoryLatestReader(Directory directory)
                         throws IOException

Parameters:

directory - The Directory for which we manage the IndexReader.

Throws:

IOException - when the index initialization fails.

Method Detail

refreshAndGet

public DirectoryReader refreshAndGet()

Gets an updated IndexReader for the current Directory; the index status will be checked.

Returns:

the current IndexReader if it's in sync with underlying index, a new one otherwise.