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 org.apache.lucene.index.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

org.apache.lucene.index.FilterIndexReader.FilterTermDocs, org.apache.lucene.index.FilterIndexReader.FilterTermEnum, org.apache.lucene.index.FilterIndexReader.FilterTermPositions

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

org.apache.lucene.index.IndexReader.FieldOption

Field Summary

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

in

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

hasChanges

Constructor Summary

AutoCloseIndexReader(org.apache.lucene.index.IndexReader in, String name)

Method Summary

protected void	doClose()
protected void	finalize() Close the index automatically.
void	hardClose()
org.apache.lucene.index.IndexReader	reopen()

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

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

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

AutoCloseIndexReader

public AutoCloseIndexReader(org.apache.lucene.index.IndexReader in,
                            String name)

Method Detail

doClose

protected final void doClose()
                      throws IOException

Overrides:

doClose in class org.apache.lucene.index.FilterIndexReader

Throws:

IOException

reopen

public final org.apache.lucene.index.IndexReader reopen()
                                                 throws org.apache.lucene.index.CorruptIndexException,
                                                        IOException

Overrides:

reopen in class org.apache.lucene.index.IndexReader

Throws:

org.apache.lucene.index.CorruptIndexException

IOException

hardClose

public final void hardClose()
                     throws org.apache.lucene.index.CorruptIndexException,
                            IOException

Throws:

org.apache.lucene.index.CorruptIndexException

IOException

finalize

protected void finalize()
                 throws Throwable

Close the index automatically.

Overrides:

finalize in class Object

Throws:

Throwable