Package cc.mallet.fst

Class CRF.TransitionIterator

java.lang.Object

cc.mallet.fst.Transducer.TransitionIterator

cc.mallet.fst.CRF.TransitionIterator

All Implemented Interfaces:

java.io.Serializable, java.util.Iterator<Transducer.State>

Direct Known Subclasses:

MEMM.TransitionIterator

Enclosing class:

CRF

protected static class CRF.TransitionIterator
extends Transducer.TransitionIterator
implements java.io.Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected double[]	weights

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TransitionIterator(CRF.State source, FeatureVector fv, java.lang.String output, CRF crf)
	TransitionIterator(CRF.State source, FeatureVectorSequence inputSeq, int inputPosition, java.lang.String output, CRF crf)

Method Summary

Modifier and Type	Method	Description
java.lang.String	describeTransition(double cutoff)
Transducer.State	getDestinationState()	The state we are in after taking this transition.
int	getIndex()	An implementation-specific index for this transition object, can be used to index into arrays of per-transition parameters.
java.lang.Object	getInput()	The input symbol or object appearing on this transition.
java.lang.Object	getOutput()	The output symbol or object appearing on this transition.
Transducer.State	getSourceState()	The state we were in before taking this transition.
double	getWeight()	The weight (between infinity and -infinity) associated with taking this transition with this input/output.
boolean	hasNext()
Transducer.State	nextState()

Methods inherited from class cc.mallet.fst.Transducer.TransitionIterator

getInputPositionIncrement, getOutputPositionIncrement, getTransducer, next, numberNext, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

weights

protected double[] weights

Constructor Detail

TransitionIterator

public TransitionIterator(CRF.State source,
                          FeatureVectorSequence inputSeq,
                          int inputPosition,
                          java.lang.String output,
                          CRF crf)

TransitionIterator

protected TransitionIterator(CRF.State source,
                             FeatureVector fv,
                             java.lang.String output,
                             CRF crf)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<Transducer.State>

Specified by:

hasNext in class Transducer.TransitionIterator

nextState

public Transducer.State nextState()

Specified by:

nextState in class Transducer.TransitionIterator

getIndex

public final int getIndex()

Description copied from class: Transducer.TransitionIterator

An implementation-specific index for this transition object, can be used to index into arrays of per-transition parameters.

Specified by:

getIndex in class Transducer.TransitionIterator

getInput

public final java.lang.Object getInput()

Description copied from class: Transducer.TransitionIterator

The input symbol or object appearing on this transition.

Specified by:

getInput in class Transducer.TransitionIterator

getOutput

public final java.lang.Object getOutput()

Description copied from class: Transducer.TransitionIterator

The output symbol or object appearing on this transition.

Specified by:

getOutput in class Transducer.TransitionIterator

getWeight

public final double getWeight()

Description copied from class: Transducer.TransitionIterator

The weight (between infinity and -infinity) associated with taking this transition with this input/output.

Specified by:

getWeight in class Transducer.TransitionIterator

getSourceState

public final Transducer.State getSourceState()

Description copied from class: Transducer.TransitionIterator

The state we were in before taking this transition.

Specified by:

getSourceState in class Transducer.TransitionIterator

getDestinationState

public final Transducer.State getDestinationState()

Description copied from class: Transducer.TransitionIterator

The state we are in after taking this transition.

Specified by:

getDestinationState in class Transducer.TransitionIterator

describeTransition

public java.lang.String describeTransition(double cutoff)

Overrides:

describeTransition in class Transducer.TransitionIterator