dragon.ml.seqmodel.feature

Class FeatureTypeStateLoop

java.lang.Object

dragon.ml.seqmodel.feature.AbstractFeatureTypeWrapper

dragon.ml.seqmodel.feature.FeatureTypeStateLoop

All Implemented Interfaces:

FeatureType

public class FeatureTypeStateLoop
extends AbstractFeatureTypeWrapper

This can be used as a wrapper around a FeatureType class that wants to generate a feature for each state.

Field Summary

Fields inherited from class dragon.ml.seqmodel.feature.AbstractFeatureTypeWrapper

ftype

Constructor Summary

Constructors

Constructor and Description
FeatureTypeStateLoop(FeatureType ftype, int stateNum)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Tests if next feature exists
Feature	next() Gets the next feature
boolean	startScanFeaturesAt(DataSequence data, int startPos, int endPos) Starts scanning features of the given segment of a sequence

Methods inherited from class dragon.ml.seqmodel.feature.AbstractFeatureTypeWrapper

getTypeID, needTraining, readTrainingResult, saveTrainingResult, setTypeID, supportSegment, train

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureTypeStateLoop

public FeatureTypeStateLoop(FeatureType ftype,
                            int stateNum)

Method Detail

startScanFeaturesAt

public boolean startScanFeaturesAt(DataSequence data,
                                   int startPos,
                                   int endPos)

Description copied from interface: FeatureType

Starts scanning features of the given segment of a sequence

Specified by:

startScanFeaturesAt in interface FeatureType

Overrides:

startScanFeaturesAt in class AbstractFeatureTypeWrapper

Parameters:

data - the sequence

startPos - the start position of the segment

endPos - the end position of the segment

Returns:

true if successfully

hasNext

public boolean hasNext()

Description copied from interface: FeatureType

Tests if next feature exists

Specified by:

hasNext in interface FeatureType

Overrides:

hasNext in class AbstractFeatureTypeWrapper

Returns:

true if next feature exists

next

public Feature next()

Description copied from interface: FeatureType

Gets the next feature

Specified by:

next in interface FeatureType

Overrides:

next in class AbstractFeatureTypeWrapper

Returns:

the next feature if any