| /* |
| * 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.opt; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.sysds.runtime.controlprogram.parfor.util.IDSequence; |
| |
| /** |
| * Helper class for mapping nodes of the internal plan representation to statement blocks and |
| * hops / function call statements of a given DML program. |
| * |
| */ |
| public class OptTreePlanMapping |
| { |
| |
| protected IDSequence _idSeq; |
| protected Map<Long, OptNode> _id_optnode; |
| |
| public OptTreePlanMapping() |
| { |
| _idSeq = new IDSequence(); |
| _id_optnode = new HashMap<>(); |
| } |
| |
| public OptNode getOptNode( long id ) |
| { |
| return _id_optnode.get(id); |
| } |
| |
| public long getMappedParentID( long id ) |
| { |
| for( OptNode p : _id_optnode.values() ) |
| if( p.getChilds() != null ) |
| for( OptNode c2 : p.getChilds() ) |
| if( id == c2.getID() ) |
| return p.getID(); |
| return -1; |
| } |
| |
| public void clear() |
| { |
| _id_optnode.clear(); |
| } |
| |
| } |