netkit.classifiers.aggregators
Class Exist

java.lang.Object
  netkit.classifiers.aggregators.AggregatorImp
      netkit.classifiers.aggregators.AggregatorByValueImp
          netkit.classifiers.aggregators.Exist

All Implemented Interfaces:

Aggregator, AggregatorByValue

public final class Exist
extends AggregatorByValueImp

The Exist aggregator returns whether a specific value of a given attribute is observed in the neighborhood of a node in the graph.

Author:

Sofus A. Macskassy (sofmac@gmail.com)

Field Summary

Fields inherited from class netkit.classifiers.aggregators.AggregatorByValueImp

attributeValue

Fields inherited from class netkit.classifiers.aggregators.AggregatorImp

aggregateCache, attribIdx, attribute, edgeType, name, type

Constructor Summary

Exist(EdgeType edgeType, Attribute attribute, double value)

Method Summary

double

getValue(Node n, Estimate prior) Gets the value stored in this object for the supplied Node.

Methods inherited from class netkit.classifiers.aggregators.AggregatorByValueImp

getAttributeValue, toString

Methods inherited from class netkit.classifiers.aggregators.AggregatorImp

getAttribute, getAttributeIndex, getEdgeType, getName, getNodeInfo, getType, getValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface netkit.classifiers.aggregators.Aggregator

getAttribute, getEdgeType, getName, getType, getValue

Constructor Detail

Exist

public Exist(EdgeType edgeType,
             Attribute attribute,
             double value)

Method Detail

getValue

public double getValue(Node n,
                       Estimate prior)

Description copied from interface: Aggregator

Gets the value stored in this object for the supplied Node.

Parameters:

n - a Node for which to calculate and/or supply a value.

prior - current priors for unknown neighbor values.

Returns:

the value stored in this object for the supplied Node.