edu.cmu.minorthird.classify
Class FeatureFactory.CompactInstance

java.lang.Object
  edu.cmu.minorthird.classify.AbstractInstance
      edu.cmu.minorthird.classify.FeatureFactory.CompactInstance

All Implemented Interfaces:

HasSubpopulationId, Instance, Visible, java.io.Serializable

Enclosing class:

FeatureFactory

protected class FeatureFactory.CompactInstance
extends AbstractInstance
implements java.io.Serializable

A compact but immutable implementation of an instance.

Author:

wcohen, ksteppe

See Also:

Serialized Form

Nested Class Summary

class	FeatureFactory.CompactInstance.FeatureArrayIterator a looper over a feature array with Feature.Looper type
class	FeatureFactory.CompactInstance.UnionFeatureArrayIterator sequential composite of n FeatureArrayLoopers (constructor for 2)

Field Summary

Fields inherited from class edu.cmu.minorthird.classify.AbstractInstance

source, subpopulationId

Constructor Summary

FeatureFactory.CompactInstance(Instance instance)
Create a compact instance from some other instance

Method Summary

java.util.Iterator<Feature>	binaryFeatureIterator() Return an iterator over all binary features.
java.util.Iterator<Feature>	featureIterator() Return an iterator over all features
FeatureFactory	getFactory()
double	getWeight(Feature f) Get the weight assigned to a feature in this instance.
java.util.Iterator<Feature>	numericFeatureIterator() Return an iterator over all numeric features.
int	numFeatures() Return the number of all the features
java.lang.String	toString() Debugging view of an instance.

Methods inherited from class edu.cmu.minorthird.classify.AbstractInstance

getSource, getSubpopulationId, toGUI

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureFactory.CompactInstance

public FeatureFactory.CompactInstance(Instance instance)

Create a compact instance from some other instance

Parameters:

instance - Instance object to generate from

Method Detail

getFactory

public FeatureFactory getFactory()

getWeight

public double getWeight(Feature f)

Description copied from interface: Instance

Get the weight assigned to a feature in this instance.

Specified by:

getWeight in interface Instance

binaryFeatureIterator

public java.util.Iterator<Feature> binaryFeatureIterator()

Description copied from interface: Instance

Return an iterator over all binary features.

Specified by:

binaryFeatureIterator in interface Instance

numericFeatureIterator

public java.util.Iterator<Feature> numericFeatureIterator()

Description copied from interface: Instance

Return an iterator over all numeric features.

Specified by:

numericFeatureIterator in interface Instance

featureIterator

public java.util.Iterator<Feature> featureIterator()

Description copied from interface: Instance

Return an iterator over all features

Specified by:

featureIterator in interface Instance

numFeatures

public int numFeatures()

Description copied from interface: Instance

Return the number of all the features

Specified by:

numFeatures in interface Instance

toString

public java.lang.String toString()

Description copied from class: AbstractInstance

Debugging view of an instance.

Overrides:

toString in class AbstractInstance