org.apache.ctakes.necontexts.negation
Class NegationContextAnalyzer

java.lang.Object
  org.apache.ctakes.necontexts.NamedEntityContextAnalyzer
      org.apache.ctakes.necontexts.negation.NegationContextAnalyzer

All Implemented Interfaces:

ContextAnalyzer

public class NegationContextAnalyzer
extends NamedEntityContextAnalyzer

Constructor Summary

NegationContextAnalyzer()

Method Summary

ContextHit

analyzeContext(List<? extends org.apache.uima.jcas.tcas.Annotation> contextTokens, int scopeOrientation) This method analyzes a list of tokens looking for a negation pattern as specified by the class NegationFSM.

Methods inherited from class org.apache.ctakes.necontexts.NamedEntityContextAnalyzer

initialize, isBoundary, wrapAsFsmTokens

Methods inherited from class java.lang.Object

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

Constructor Detail

NegationContextAnalyzer

public NegationContextAnalyzer()

Method Detail

analyzeContext

public ContextHit analyzeContext(List<? extends org.apache.uima.jcas.tcas.Annotation> contextTokens,
                                 int scopeOrientation)
                          throws org.apache.uima.analysis_engine.AnalysisEngineProcessException

This method analyzes a list of tokens looking for a negation pattern as specified by the class NegationFSM.

Parameters:

contextTokens - the annotations to be analyzed

scopeOrientation - the scope of the context annotator. The value will be the left, right, middle, or "all" context.

Returns:

a context hit if one exists, else null is returned.

Throws:

org.apache.uima.analysis_engine.AnalysisEngineProcessException

See Also:

NegationFSM