org.apache.uima.lucas.indexer.analysis
Class TokenStreamMerger

java.lang.Object
  org.apache.lucene.util.AttributeSource
      org.apache.lucene.analysis.TokenStream
          org.apache.uima.lucas.indexer.analysis.TokenStreamMerger

public class TokenStreamMerger
extends org.apache.lucene.analysis.TokenStream

A TokenStreamMerger merges a list of token streams by the means of their token offsets. Adapts positionIncrement of tokens if their startOffset is exactly the same.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State

Constructor Summary

TokenStreamMerger(Collection<org.apache.lucene.analysis.TokenStream> streams)

Method Summary

boolean	incrementToken()
void	reset()

Methods inherited from class org.apache.lucene.analysis.TokenStream

close, end, getOnlyUseNewAPI, next, next, setOnlyUseNewAPI

Methods inherited from class org.apache.lucene.util.AttributeSource

addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TokenStreamMerger

public TokenStreamMerger(Collection<org.apache.lucene.analysis.TokenStream> streams)
                  throws IOException

Throws:

IOException

Method Detail

reset

public void reset()
           throws IOException

Overrides:

reset in class org.apache.lucene.analysis.TokenStream

Throws:

IOException

incrementToken

public boolean incrementToken()
                       throws IOException

Overrides:

incrementToken in class org.apache.lucene.analysis.TokenStream

Throws:

IOException