| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.sysds.runtime.instructions.spark; |
| |
| import org.apache.spark.api.java.JavaPairRDD; |
| import org.apache.spark.api.java.function.Function; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.controlprogram.context.SparkExecutionContext; |
| import org.apache.sysds.runtime.instructions.cp.CPOperand; |
| import org.apache.sysds.runtime.instructions.spark.data.PartitionedBroadcast; |
| import org.apache.sysds.runtime.matrix.data.FrameBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| |
| public class BinaryFrameMatrixSPInstruction extends BinarySPInstruction { |
| protected BinaryFrameMatrixSPInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand out, String opcode, String istr) { |
| super(SPType.Binary, op, in1, in2, out, opcode, istr); |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) { |
| SparkExecutionContext sec = (SparkExecutionContext) ec; |
| // Get input RDDs |
| JavaPairRDD<Long, FrameBlock> in1 = sec.getFrameBinaryBlockRDDHandleForVariable(input1.getName()); |
| // get feature length matrix |
| PartitionedBroadcast<MatrixBlock> feaLen = sec.getBroadcastForVariable(input2.getName()); |
| JavaPairRDD<Long, FrameBlock> out = in1.mapValues(new DropInvalidLengths(feaLen)); |
| |
| //set output RDD |
| sec.setRDDHandleForVariable(output.getName(), out); |
| sec.addLineageRDD(output.getName(), input1.getName()); |
| sec.addLineageBroadcast(output.getName(), input2.getName()); |
| } |
| |
| private static class DropInvalidLengths implements Function<FrameBlock,FrameBlock> { |
| private static final long serialVersionUID = 5850400295183766400L; |
| |
| private PartitionedBroadcast<MatrixBlock> featureLength = null; |
| |
| public DropInvalidLengths(PartitionedBroadcast<MatrixBlock> fl) { |
| featureLength = fl; |
| } |
| |
| @Override public FrameBlock call(FrameBlock frameBlock) throws Exception { |
| int idx = (int)featureLength.getNumRows(); |
| FrameBlock fb = frameBlock.invalidByLength(featureLength.getBlock(1, idx)); |
| return fb; |
| } |
| } |
| } |