opennlp.tools.ml.model

Class OnePassDataIndexer

java.lang.Object

opennlp.tools.ml.model.AbstractDataIndexer

opennlp.tools.ml.model.OnePassDataIndexer

All Implemented Interfaces:

DataIndexer

Direct Known Subclasses:

OnePassRealValueDataIndexer

public class OnePassDataIndexer
extends AbstractDataIndexer

An indexer for maxent model data which handles cutoffs for uncommon contextual predicates and provides a unique integer index for each of the predicates.

Field Summary

Fields inherited from class opennlp.tools.ml.model.AbstractDataIndexer

CUTOFF_DEFAULT, CUTOFF_PARAM, SORT_DEFAULT, SORT_PARAM

Constructor Summary

Constructors

Constructor and Description
OnePassDataIndexer()

Method Summary

Modifier and Type	Method and Description
void	index(ObjectStream<Event> eventStream) Performs the data indexing.

Methods inherited from class opennlp.tools.ml.model.AbstractDataIndexer

getContexts, getNumEvents, getNumTimesEventsSeen, getOutcomeLabels, getOutcomeList, getPredCounts, getPredLabels, getValues, init

Methods inherited from class java.lang.Object

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

Constructor Detail

OnePassDataIndexer

public OnePassDataIndexer()

Method Detail

index

public void index(ObjectStream<Event> eventStream)
           throws IOException

Description copied from interface: DataIndexer

Performs the data indexing. Make sure the init(...) method is called first.

Parameters:

eventStream - a stream of events

Throws:

IOException