| /* |
| * 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.federated; |
| |
| import org.apache.sysds.runtime.controlprogram.caching.MatrixObject; |
| import org.apache.sysds.runtime.meta.DataCharacteristics; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| public class LibFederatedAppend { |
| public static MatrixObject federateAppend(MatrixObject matObject1, MatrixObject matObject2, |
| MatrixObject matObjectRet, boolean cbind) |
| { |
| Map<FederatedRange, FederatedData> fedMapping = new TreeMap<>(); |
| DataCharacteristics dc = matObjectRet.getDataCharacteristics(); |
| if (cbind) { |
| // check for same amount of rows for matObject1 and matObject2 should have been checked before call |
| dc.setRows(matObject1.getNumRows()); |
| // added because cbind |
| long columnsLeftMat = matObject1.getNumColumns(); |
| dc.setCols(columnsLeftMat + matObject2.getNumColumns()); |
| |
| Map<FederatedRange, FederatedData> fedMappingLeft = matObject1.getFedMapping(); |
| for (Map.Entry<FederatedRange, FederatedData> entry : fedMappingLeft.entrySet()) { |
| // note that FederatedData should not change its varId once set |
| fedMapping.put(new FederatedRange(entry.getKey()), entry.getValue()); |
| } |
| Map<FederatedRange, FederatedData> fedMappingRight = matObject2.getFedMapping(); |
| for (Map.Entry<FederatedRange, FederatedData> entry : fedMappingRight.entrySet()) { |
| // add offset due to cbind |
| FederatedRange range = new FederatedRange(entry.getKey()); |
| range.setBeginDim(1, columnsLeftMat + range.getBeginDims()[1]); |
| range.setEndDim(1, columnsLeftMat + range.getEndDims()[1]); |
| fedMapping.put(range, entry.getValue()); |
| } |
| } |
| else { |
| // check for same amount of cols for matObject1 and matObject2 should have been checked before call |
| dc.setCols(matObject1.getNumColumns()); |
| // added because rbind |
| long rowsUpperMat = matObject1.getNumRows(); |
| dc.setRows(rowsUpperMat + matObject2.getNumRows()); |
| |
| Map<FederatedRange, FederatedData> fedMappingUpper = matObject1.getFedMapping(); |
| for (Map.Entry<FederatedRange, FederatedData> entry : fedMappingUpper.entrySet()) { |
| // note that FederatedData should not change its varId once set |
| fedMapping.put(new FederatedRange(entry.getKey()), entry.getValue()); |
| } |
| Map<FederatedRange, FederatedData> fedMappingLower = matObject2.getFedMapping(); |
| for (Map.Entry<FederatedRange, FederatedData> entry : fedMappingLower.entrySet()) { |
| // add offset due to rbind |
| FederatedRange range = new FederatedRange(entry.getKey()); |
| range.setBeginDim(0, rowsUpperMat + range.getBeginDims()[0]); |
| range.setEndDim(0, rowsUpperMat + range.getEndDims()[0]); |
| fedMapping.put(range, entry.getValue()); |
| } |
| } |
| matObjectRet.setFedMapping(fedMapping); |
| dc.setNonZeros(matObject1.getNnz() + matObject2.getNnz()); |
| return matObjectRet; |
| } |
| } |