io.kgraph.pregel

Class ComputeFunction.Aggregators

java.lang.Object

io.kgraph.pregel.ComputeFunction.Aggregators

All Implemented Interfaces:

ComputeFunction.ReadAggregators, ComputeFunction.ReadWriteAggregators

Enclosing interface:

ComputeFunction<K,VV,EV,Message>

public static final class ComputeFunction.Aggregators
extends Object
implements ComputeFunction.ReadWriteAggregators

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Aggregator<?>>	aggregators
protected Map<String,?>	previousAggregates

Constructor Summary

Constructors

Constructor and Description
Aggregators(Map<String,?> previousAggregates, Map<String,Aggregator<?>> aggregators)

Method Summary

Modifier and Type	Method and Description
<T> void	aggregate(String name, T value)
<T> T	getAggregatedValue(String name)

Methods inherited from class java.lang.Object

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

Field Detail

previousAggregates

protected final Map<String,?> previousAggregates

aggregators

protected final Map<String,Aggregator<?>> aggregators

Constructor Detail

Aggregators

public Aggregators(Map<String,?> previousAggregates,
                   Map<String,Aggregator<?>> aggregators)

Method Detail

getAggregatedValue

public final <T> T getAggregatedValue(String name)

Specified by:

getAggregatedValue in interface ComputeFunction.ReadAggregators

aggregate

public final <T> void aggregate(String name,
                                T value)

Specified by:

aggregate in interface ComputeFunction.ReadWriteAggregators