edu.illinois.cs.cogcomp.lbj.coref.exampleExtractors
Class BatchExExtractor<T>

java.lang.Object
  edu.illinois.cs.cogcomp.lbj.coref.exampleExtractors.ExampleExtractor<T>
      edu.illinois.cs.cogcomp.lbj.coref.exampleExtractors.BatchExExtractor<T>

Type Parameters:

T - The type of example.

All Implemented Interfaces:

LBJ2.parse.Parser

Direct Known Subclasses:

FilteredBatchExExtractor

public abstract class BatchExExtractor<T>
extends ExampleExtractor<T>

The base class for all example extractors that use a batch process.

Author:

Eric Bengtson

Field Summary

private java.util.List<T>	m_exampleCache
private int	m_exampleCacheNextIx

Constructor Summary

BatchExExtractor()

Method Summary

protected abstract java.util.List<T>	generateAllExamples() Generate all (non-filtered) examples.
java.util.List<T>	getExamples() Gets all the examples.
protected T	getNextCached() Gets the next entry in the cache, The cache will be populated with examples from getExamples().
T	next() Get the next example.
void	recordEquivalence() Does nothing, since extractor is a batch extractor.
void	reset() Reset the extractor.

Methods inherited from class edu.illinois.cs.cogcomp.lbj.coref.exampleExtractors.ExampleExtractor

close, enqueue

Methods inherited from class java.lang.Object

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

Field Detail

m_exampleCache

private java.util.List<T> m_exampleCache

m_exampleCacheNextIx

private int m_exampleCacheNextIx

Constructor Detail

BatchExExtractor

public BatchExExtractor()

Method Detail

generateAllExamples

protected abstract java.util.List<T> generateAllExamples()

Generate all (non-filtered) examples.

Returns:

A list of all the examples to be extracted.

next

public T next()

Get the next example.

Specified by:

next in interface LBJ2.parse.Parser

Specified by:

next in class ExampleExtractor<T>

Returns:

the next example, or null when done.

getExamples

public java.util.List<T> getExamples()

Gets all the examples.

Returns:

examples that would be returned by repeated calls to next(). Does not include the final null that next() would return.

recordEquivalence

public void recordEquivalence()

Does nothing, since extractor is a batch extractor.

getNextCached

protected T getNextCached()

Gets the next entry in the cache, The cache will be populated with examples from getExamples().

Returns:

The next cached example.

reset

public void reset()

Reset the extractor. After calling this method, next() should begin returning examples starting with the first example.

Specified by:

reset in interface LBJ2.parse.Parser

Overrides:

reset in class ExampleExtractor<T>