| /* |
| * 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.sysds.common.Types.FileFormat; |
| import org.apache.sysds.common.Types.ValueType; |
| import org.apache.sysds.conf.ConfigurationManager; |
| import org.apache.sysds.lops.UnaryCP; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.controlprogram.context.SparkExecutionContext; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.runtime.instructions.cp.CPOperand; |
| import org.apache.sysds.runtime.instructions.spark.utils.FrameRDDConverterUtils; |
| import org.apache.sysds.runtime.matrix.data.FrameBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| import org.apache.sysds.runtime.meta.DataCharacteristics; |
| import org.apache.sysds.runtime.meta.MatrixCharacteristics; |
| import org.apache.sysds.runtime.util.UtilFunctions; |
| |
| public class CastSPInstruction extends UnarySPInstruction { |
| |
| private CastSPInstruction(Operator op, CPOperand in, CPOperand out, String opcode, String istr) { |
| super(SPType.Cast, op, in, out, opcode, istr); |
| } |
| |
| public static CastSPInstruction parseInstruction ( String str ) { |
| String[] parts = InstructionUtils.getInstructionPartsWithValueType(str); |
| InstructionUtils.checkNumFields(parts, 2); |
| String opcode = parts[0]; |
| CPOperand in = new CPOperand(parts[1]); |
| CPOperand out = new CPOperand(parts[2]); |
| return new CastSPInstruction(null, in, out, opcode, str); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public void processInstruction(ExecutionContext ec) { |
| SparkExecutionContext sec = (SparkExecutionContext)ec; |
| String opcode = getOpcode(); |
| |
| //get input RDD and prepare output |
| JavaPairRDD<?,?> in = sec.getRDDHandleForVariable(input1.getName(), FileFormat.BINARY, -1, true); |
| DataCharacteristics mcIn = sec.getDataCharacteristics( input1.getName() ); |
| JavaPairRDD<?,?> out = null; |
| |
| //convert frame-matrix / matrix-frame and set output |
| if( opcode.equals(UnaryCP.CAST_AS_MATRIX_OPCODE) ) { |
| DataCharacteristics mcOut = new MatrixCharacteristics(mcIn); |
| mcOut.setBlocksize(ConfigurationManager.getBlocksize()); |
| out = FrameRDDConverterUtils.binaryBlockToMatrixBlock( |
| (JavaPairRDD<Long, FrameBlock>)in, mcIn, mcOut); |
| } |
| else if( opcode.equals(UnaryCP.CAST_AS_FRAME_OPCODE) ) { |
| out = FrameRDDConverterUtils.matrixBlockToBinaryBlockLongIndex(sec.getSparkContext(), |
| (JavaPairRDD<MatrixIndexes, MatrixBlock>)in, mcIn); |
| } |
| else { |
| throw new DMLRuntimeException("Unsupported spark cast operation: "+opcode); |
| } |
| |
| //update output statistics and add lineage |
| sec.setRDDHandleForVariable(output.getName(), out); |
| updateUnaryOutputDataCharacteristics(sec, input1.getName(), output.getName()); |
| sec.addLineageRDD(output.getName(), input1.getName()); |
| |
| //update schema information for output frame |
| if( opcode.equals(UnaryCP.CAST_AS_FRAME_OPCODE) ) { |
| sec.getFrameObject(output.getName()).setSchema( |
| UtilFunctions.nCopies((int)mcIn.getCols(), ValueType.FP64)); |
| } |
| } |
| } |