Package org.apache.sysds.runtime.instructions.spark.functions

Class CopyMatrixBlockPairFunction

java.lang.Object

org.apache.sysds.runtime.instructions.spark.functions.CopyMatrixBlockPairFunction

All Implemented Interfaces:

Serializable, org.apache.spark.api.java.function.PairFlatMapFunction<Iterator<scala.Tuple2<MatrixIndexes,MatrixBlock>>,MatrixIndexes,MatrixBlock>

public class CopyMatrixBlockPairFunction
extends Object
implements org.apache.spark.api.java.function.PairFlatMapFunction<Iterator<scala.Tuple2<MatrixIndexes,MatrixBlock>>,MatrixIndexes,MatrixBlock>

General purpose copy function for binary block rdds. This function can be used in mapToPair (copy matrix indexes and blocks). It supports both deep and shallow copies of key/value pairs.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
CopyMatrixBlockPairFunction()
CopyMatrixBlockPairFunction(boolean deepCopy)

Method Summary

Modifier and Type	Method	Description
LazyIterableIterator<scala.Tuple2<MatrixIndexes,MatrixBlock>>	call(Iterator<scala.Tuple2<MatrixIndexes,MatrixBlock>> arg0)

Methods inherited from class java.lang.Object

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

Constructor Details

CopyMatrixBlockPairFunction

public CopyMatrixBlockPairFunction()

CopyMatrixBlockPairFunction

public CopyMatrixBlockPairFunction(boolean deepCopy)

Method Details

call

public LazyIterableIterator<scala.Tuple2<MatrixIndexes,MatrixBlock>> call(Iterator<scala.Tuple2<MatrixIndexes,MatrixBlock>> arg0)
                                                                   throws Exception

Specified by:

call in interface org.apache.spark.api.java.function.PairFlatMapFunction<Iterator<scala.Tuple2<MatrixIndexes,MatrixBlock>>,MatrixIndexes,MatrixBlock>

Throws:

Exception