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java.lang.Object org.apache.ctakes.smokingstatus.context.NamedEntityContextAnalyzer
public abstract class NamedEntityContextAnalyzer
This context analyzer provides code that is shared by the StatusContextAnalyzer and NegationContextAnalyzer which are both analyzers that examine the contexts surrounding named entity annotations.
Constructor Summary | |
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NamedEntityContextAnalyzer()
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Method Summary | |
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void |
initialize(org.apache.uima.UimaContext annotatorContext)
This will be called by the ContextAnnotator during its initialize method |
boolean |
isBoundary(org.apache.uima.jcas.tcas.Annotation contextAnnotation,
int scopeOrientation)
This method is called by the ContextAnnotator. |
protected java.util.List<TextToken> |
wrapAsFsmTokens(java.util.List<? extends org.apache.uima.jcas.tcas.Annotation> tokenList)
This method converts Token annotations to TextTokens required by the fsm library used by both subclasses of this class. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.ctakes.necontexts.ContextAnalyzer |
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analyzeContext |
Constructor Detail |
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public NamedEntityContextAnalyzer()
Method Detail |
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public void initialize(org.apache.uima.UimaContext annotatorContext) throws org.apache.uima.resource.ResourceInitializationException
ContextAnalyzer
initialize
in interface ContextAnalyzer
org.apache.uima.resource.ResourceInitializationException
public boolean isBoundary(org.apache.uima.jcas.tcas.Annotation contextAnnotation, int scopeOrientation) throws org.apache.uima.analysis_engine.AnalysisEngineProcessException
ContextAnalyzer
For the left and right scopes, the context annotator will collect a number of annotations up to the maximum specified by the appropriate parameter unless it comes to the edge of the window annotation or a boundary condition is met as specified by this method. For example, you may specify that the scope is LEFT, the maximum left scope size is 10, the context annotation is a token of some sort, and the window annotation is a sentence. The context annotator will collect the annotations to the left of the focus annotation such that there will be no more than 10 context annotations, they will all be inside the sentence, and no context annotations will be collected to the left of a boundary condition as specified by this method.
isBoundary
in interface ContextAnalyzer
contextAnnotation
- the context annotation that may or may not satisfy a boundary
conditionscopeOrientation
- the scope of the context annotator. The value will be the left
or right scope.
org.apache.uima.analysis_engine.AnalysisEngineProcessException
ContextAnnotator.LEFT_SCOPE
,
ContextAnnotator.RIGHT_SCOPE
,
NamedEntityContextAnalyzer.isBoundary(Annotation, int)
protected java.util.List<TextToken> wrapAsFsmTokens(java.util.List<? extends org.apache.uima.jcas.tcas.Annotation> tokenList)
tokenList
- a list of token annotations
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