Package opennlp.tools.postag
Class DefaultPOSContextGenerator
- java.lang.Object
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- opennlp.tools.postag.DefaultPOSContextGenerator
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- All Implemented Interfaces:
POSContextGenerator
,BeamSearchContextGenerator<String>
public class DefaultPOSContextGenerator extends Object implements POSContextGenerator
A context generator for the POS Tagger.
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Constructor Summary
Constructors Constructor Description DefaultPOSContextGenerator(int cacheSize, Dictionary dict)
Initializes the current instance.DefaultPOSContextGenerator(Dictionary dict)
Initializes the current instance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String[]
getContext(int index, Object[] tokens, String[] tags)
Returns the context for making a pos tag decision at the specified token index given the specified tokens and previous tags.String[]
getContext(int index, String[] sequence, String[] priorDecisions, Object[] additionalContext)
Returns the context for the specified position in the specified sequence (list).
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Constructor Detail
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DefaultPOSContextGenerator
public DefaultPOSContextGenerator(Dictionary dict)
Initializes the current instance.- Parameters:
dict
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DefaultPOSContextGenerator
public DefaultPOSContextGenerator(int cacheSize, Dictionary dict)
Initializes the current instance.- Parameters:
cacheSize
-dict
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Method Detail
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getContext
public String[] getContext(int index, String[] sequence, String[] priorDecisions, Object[] additionalContext)
Description copied from interface:BeamSearchContextGenerator
Returns the context for the specified position in the specified sequence (list).- Specified by:
getContext
in interfaceBeamSearchContextGenerator<String>
- Specified by:
getContext
in interfacePOSContextGenerator
- Parameters:
index
- The index of the sequence.sequence
- The sequence of items over which the beam search is performed.priorDecisions
- The sequence of decisions made prior to the context for which this decision is being made.additionalContext
- Any addition context specific to a class implementing this interface.- Returns:
- the context for the specified position in the specified sequence.
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getContext
public String[] getContext(int index, Object[] tokens, String[] tags)
Returns the context for making a pos tag decision at the specified token index given the specified tokens and previous tags.- Parameters:
index
- The index of the token for which the context is provided.tokens
- The tokens in the sentence.tags
- The tags assigned to the previous words in the sentence.- Returns:
- The context for making a pos tag decision at the specified token index given the specified tokens and previous tags.
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