| /* |
| * 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.functionobjects; |
| |
| |
| import org.apache.commons.lang.NotImplementedException; |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.matrix.data.MatrixValue.CellIndex; |
| import org.apache.sysds.runtime.meta.DataCharacteristics; |
| |
| /** |
| * This index function is NOT used for actual sorting but just as a reference |
| * in ReorgOperator in order to identify sort operations. |
| * |
| */ |
| public class SortIndex extends IndexFunction |
| { |
| private static final long serialVersionUID = -8446389232078905200L; |
| |
| private final int[] _cols; |
| private final boolean _decreasing; |
| private final boolean _ixreturn; |
| |
| public SortIndex(int col, boolean decreasing, boolean indexreturn) { |
| this(new int[]{col}, decreasing, indexreturn); |
| } |
| |
| public SortIndex(int[] cols, boolean decreasing, boolean indexreturn) { |
| _cols = cols; |
| _decreasing = decreasing; |
| _ixreturn = indexreturn; |
| } |
| |
| public int[] getCols() { |
| return _cols; |
| } |
| |
| public boolean getDecreasing() { |
| return _decreasing; |
| } |
| |
| public boolean getIndexReturn() { |
| return _ixreturn; |
| } |
| |
| @Override |
| public boolean computeDimension(int row, int col, CellIndex retDim) { |
| retDim.set(row, _ixreturn?1:col); |
| return false; |
| } |
| |
| @Override |
| public void execute(MatrixIndexes in, MatrixIndexes out) { |
| throw new NotImplementedException(); |
| } |
| |
| @Override |
| public void execute(CellIndex in, CellIndex out) { |
| throw new NotImplementedException(); |
| } |
| |
| @Override |
| public boolean computeDimension(DataCharacteristics in, DataCharacteristics out) { |
| throw new NotImplementedException(); |
| } |
| } |