Package opennlp.tools.postag
Class ConfigurablePOSContextGenerator
java.lang.Object
opennlp.tools.postag.ConfigurablePOSContextGenerator
- All Implemented Interfaces:
POSContextGenerator
,BeamSearchContextGenerator<String>
A configurable
context generator
for a POSTagger
.
This implementation makes use of AdaptiveFeatureGenerator
.- See Also:
-
Constructor Summary
ConstructorsConstructorDescriptionConfigurablePOSContextGenerator
(int cacheSize, AdaptiveFeatureGenerator featureGenerator) Initializes aConfigurablePOSContextGenerator
instance.ConfigurablePOSContextGenerator
(AdaptiveFeatureGenerator featureGenerator) Initializes aConfigurablePOSContextGenerator
instance. -
Method Summary
Modifier and TypeMethodDescriptionString[]
getContext
(int index, String[] tokens, String[] tags, Object[] additionalContext) Returns the context for making a postag decision at the specified tokenindex
given the specifiedtokens
and previoustags
.
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Constructor Details
-
ConfigurablePOSContextGenerator
Initializes aConfigurablePOSContextGenerator
instance. A cache size of0
will be used as default.- Parameters:
featureGenerator
- TheAdaptiveFeatureGenerator
to be used.
-
ConfigurablePOSContextGenerator
Initializes aConfigurablePOSContextGenerator
instance.- Parameters:
cacheSize
- The size of theCache
to set. Must be greater than0
to have an effect.featureGenerator
- TheAdaptiveFeatureGenerator
to be used.
-
-
Method Details
-
getContext
Returns the context for making a postag decision at the specified tokenindex
given the specifiedtokens
and previoustags
.- Specified by:
getContext
in interfaceBeamSearchContextGenerator<String>
- Specified by:
getContext
in interfacePOSContextGenerator
- Parameters:
index
- The index of the token for which the context is provided.tokens
- The tokens representing a sentence.tags
- The tags assigned to the previous words in the sentence.additionalContext
- The context for additional information.- Returns:
- The context for making a postag decision at the specified token
index
given the specifiedtokens
and previoustags
.
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