org.apache.lucene.index
Class MultiPassIndexSplitter.FakeDeleteIndexReader

java.lang.Object
  org.apache.lucene.index.IndexReader
      org.apache.lucene.index.FilterIndexReader
          org.apache.lucene.index.MultiPassIndexSplitter.FakeDeleteIndexReader

All Implemented Interfaces:

Closeable, Cloneable

Enclosing class:

MultiPassIndexSplitter

public static class MultiPassIndexSplitter.FakeDeleteIndexReader
extends org.apache.lucene.index.FilterIndexReader

This class pretends that it can write deletions to the underlying index. Instead, deletions are buffered in a bitset and overlaid with the original list of deletions.

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, org.apache.lucene.index.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

MultiPassIndexSplitter.FakeDeleteIndexReader(org.apache.lucene.index.IndexReader in)

Method Summary

protected void	doDelete(int n)
protected void	doUndeleteAll() Just removes our overlaid deletions - does not undelete the original deletions.
org.apache.lucene.index.IndexReader[]	getSequentialSubReaders()
boolean	hasDeletions()
boolean	isDeleted(int n)
int	numDocs()
org.apache.lucene.index.TermPositions	termPositions()

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

addReaderFinishedListener, directory, docFreq, doClose, doCommit, document, doSetNorm, getCoreCacheKey, getDeletesCacheKey, getFieldNames, getTermFreqVector, getTermFreqVector, getTermFreqVector, getTermFreqVectors, getVersion, hasNorms, isCurrent, isOptimized, maxDoc, norms, norms, removeReaderFinishedListener, termDocs, termDocs, 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, getCommitUserData, getCurrentVersion, getIndexCommit, getRefCount, getTermInfosIndexDivisor, getUniqueTermCount, incRef, indexExists, lastModified, listCommits, main, notifyReaderFinishedListeners, numDeletedDocs, open, open, open, open, open, open, open, open, readerFinished, reopen, reopen, reopen, reopen, setNorm, setNorm, termPositions, undeleteAll

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiPassIndexSplitter.FakeDeleteIndexReader

public MultiPassIndexSplitter.FakeDeleteIndexReader(org.apache.lucene.index.IndexReader in)

Method Detail

numDocs

public int numDocs()

Overrides:

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

doUndeleteAll

protected void doUndeleteAll()
                      throws org.apache.lucene.index.CorruptIndexException,
                             IOException

Just removes our overlaid deletions - does not undelete the original deletions.

Overrides:

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

Throws:

org.apache.lucene.index.CorruptIndexException

IOException

doDelete

protected void doDelete(int n)
                 throws org.apache.lucene.index.CorruptIndexException,
                        IOException

Overrides:

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

Throws:

org.apache.lucene.index.CorruptIndexException

IOException

hasDeletions

public boolean hasDeletions()

Overrides:

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

isDeleted

public boolean isDeleted(int n)

Overrides:

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

getSequentialSubReaders

public org.apache.lucene.index.IndexReader[] getSequentialSubReaders()

Overrides:

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

termPositions

public org.apache.lucene.index.TermPositions termPositions()
                                                    throws IOException

Overrides:

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

Throws:

IOException