| /* |
| * 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.controlprogram.parfor; |
| |
| |
| import org.apache.hadoop.io.WritableComparable; |
| import org.apache.hadoop.io.WritableComparator; |
| |
| public class ResultMergeRemoteGrouping extends WritableComparator |
| { |
| protected ResultMergeRemoteGrouping() { |
| super(ResultMergeTaggedMatrixIndexes.class,true); |
| } |
| |
| @Override |
| @SuppressWarnings("rawtypes") |
| public int compare(WritableComparable k1, WritableComparable k2) |
| { |
| ResultMergeTaggedMatrixIndexes key1 = (ResultMergeTaggedMatrixIndexes)k1; |
| ResultMergeTaggedMatrixIndexes key2 = (ResultMergeTaggedMatrixIndexes)k2; |
| |
| //group by matrix indexes only (including all tags) |
| return key1.getIndexes().compareTo(key2.getIndexes()); |
| } |
| } |