de.pangaea.metadataportal.utils
Class AutoCloseIndexReader

java.lang.Object
  org.apache.lucene.index.IndexReader
      org.apache.lucene.index.FilterIndexReader
          de.pangaea.metadataportal.utils.AutoCloseIndexReader

All Implemented Interfaces:

Closeable, Cloneable

public final class AutoCloseIndexReader
extends FilterIndexReader

AutoCloseIndexReader is used by IndexConfig.getSharedIndexReader() to make IndexReaders cleanup by GC possible.

Author:

Uwe Schindler

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.index.FilterIndexReader

FilterIndexReader.FilterTermDocs, FilterIndexReader.FilterTermEnum, FilterIndexReader.FilterTermPositions

Nested classes/interfaces inherited from class org.apache.lucene.index.IndexReader

IndexReader.FieldOption, IndexReader.ReaderFinishedListener

Field Summary

Fields inherited from class org.apache.lucene.index.FilterIndexReader

in

Fields inherited from class org.apache.lucene.index.IndexReader

hasChanges, readerFinishedListeners

Constructor Summary

AutoCloseIndexReader(IndexReader in, String name)

Method Summary

protected void	doClose()
protected IndexReader	doOpenIfChanged()
protected IndexReader	doOpenIfChanged(boolean openReadOnly)
protected IndexReader	doOpenIfChanged(IndexCommit commit)
protected IndexReader	doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)
protected void	finalize() Close the index automatically.
void	hardClose()

Methods inherited from class org.apache.lucene.index.FilterIndexReader

addReaderFinishedListener, directory, docFreq, doCommit, document, doDelete, doSetNorm, doUndeleteAll, getCommitUserData, getCoreCacheKey, getDeletesCacheKey, getFieldNames, getSequentialSubReaders, getTermFreqVector, getTermFreqVector, getTermFreqVector, getTermFreqVectors, getVersion, hasDeletions, hasNorms, isCurrent, isDeleted, isOptimized, maxDoc, norms, norms, numDocs, removeReaderFinishedListener, termDocs, termDocs, termPositions, terms, terms, toString

Methods inherited from class org.apache.lucene.index.IndexReader

acquireWriteLock, clone, clone, close, commit, commit, decRef, deleteDocument, deleteDocuments, document, ensureOpen, flush, flush, getCommitUserData, getCurrentVersion, getIndexCommit, getRefCount, getTermInfosIndexDivisor, getUniqueTermCount, incRef, indexExists, lastModified, listCommits, main, notifyReaderFinishedListeners, numDeletedDocs, open, open, open, open, open, open, open, open, openIfChanged, openIfChanged, openIfChanged, openIfChanged, readerFinished, reopen, reopen, reopen, reopen, setNorm, setNorm, termPositions, tryIncRef, undeleteAll

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AutoCloseIndexReader

public AutoCloseIndexReader(IndexReader in,
                            String name)

Method Detail

doClose

protected final void doClose()
                      throws IOException

Overrides:

doClose in class FilterIndexReader

Throws:

IOException

doOpenIfChanged

protected IndexReader doOpenIfChanged()
                               throws CorruptIndexException,
                                      IOException

Overrides:

doOpenIfChanged in class IndexReader

Throws:

CorruptIndexException

IOException

doOpenIfChanged

protected IndexReader doOpenIfChanged(boolean openReadOnly)
                               throws CorruptIndexException,
                                      IOException

Overrides:

doOpenIfChanged in class IndexReader

Throws:

CorruptIndexException

IOException

doOpenIfChanged

protected IndexReader doOpenIfChanged(IndexCommit commit)
                               throws CorruptIndexException,
                                      IOException

Overrides:

doOpenIfChanged in class IndexReader

Throws:

CorruptIndexException

IOException

doOpenIfChanged

protected IndexReader doOpenIfChanged(IndexWriter writer,
                                      boolean applyAllDeletes)
                               throws CorruptIndexException,
                                      IOException

Overrides:

doOpenIfChanged in class IndexReader

Throws:

CorruptIndexException

IOException

hardClose

public final void hardClose()
                     throws CorruptIndexException,
                            IOException

Throws:

CorruptIndexException

IOException

finalize

protected void finalize()
                 throws Throwable

Close the index automatically.

Overrides:

finalize in class Object

Throws:

Throwable