org.apache.giraph.aggregators.matrix

Class MatrixSumAggregator

java.lang.Object

org.apache.giraph.aggregators.matrix.MatrixSumAggregator

Direct Known Subclasses:

DoubleDenseMatrixSumAggregator, DoubleSparseMatrixSumAggregator, FloatDenseMatrixSumAggregator, FloatSparseMatrixSumAggregator, IntDenseMatrixSumAggregator, IntSparseMatrixSumAggregator, LongDenseMatrixSumAggregator, LongSparseMatrixSumAggregator

public abstract class MatrixSumAggregator
extends Object

The abstract matrix aggregator contains the prefix name of the vector aggregators that have the values of the rows. It also cashes the names to avoid creating the same string multiples times.

Constructor Summary

Constructors

Constructor and Description
MatrixSumAggregator(String name) Create a new matrix aggregator with the given prefix name for the vector aggregators.

Method Summary

Modifier and Type	Method and Description
protected String	getRowAggregatorName(int i) Get the name of the aggreagator of the row with the index specified.

Methods inherited from class java.lang.Object

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

Constructor Detail

MatrixSumAggregator

public MatrixSumAggregator(String name)

Create a new matrix aggregator with the given prefix name for the vector aggregators.

Parameters:

name - the prefix for the row vector aggregators

Method Detail

getRowAggregatorName

protected String getRowAggregatorName(int i)

Get the name of the aggreagator of the row with the index specified.

Parameters:

i - the row of the matrix

Returns:

the name of the aggregator