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

Field Summary

Fields

Modifier and Type	Field and Description
private NegationFSM	_negIndicatorFSM

Constructor Summary

Constructors

Constructor and Description
NegationContextAnalyzer()

Method Summary

Methods

Modifier and Type	Method and Description
ContextHit	analyzeContext(java.util.List<? extends 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

Field Detail

_negIndicatorFSM

private NegationFSM _negIndicatorFSM

Constructor Detail

NegationContextAnalyzer

public NegationContextAnalyzer()

Method Detail

analyzeContext

public ContextHit analyzeContext(java.util.List<? extends Annotation> contextTokens,
                        int scopeOrientation)
                          throws 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:

AnalysisEngineProcessException

See Also:

NegationFSM