| /* |
| * 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.sysml.hops.globalopt.gdfgraph; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| |
| import org.apache.sysml.runtime.controlprogram.ProgramBlock; |
| |
| public class GDFLoopNode extends GDFNode |
| { |
| |
| private GDFNode _predicate = null; |
| private HashMap<String,GDFNode> _linputs = null; //all read variables |
| private HashMap<String,GDFNode> _loutputs = null; //all updated variables, not necessarily liveout |
| |
| public GDFLoopNode( ProgramBlock pb, GDFNode predicate, HashMap<String, GDFNode> inputs, HashMap<String,GDFNode> outputs ) |
| { |
| super(null, pb, new ArrayList<GDFNode>(inputs.values())); |
| _type = NodeType.LOOP_NODE; |
| _predicate = predicate; |
| _linputs = inputs; |
| _loutputs = outputs; |
| } |
| |
| public HashMap<String, GDFNode> getLoopInputs() |
| { |
| return _linputs; |
| } |
| |
| public HashMap<String, GDFNode> getLoopOutputs() |
| { |
| return _loutputs; |
| } |
| |
| public GDFNode getLoopPredicate() |
| { |
| return _predicate; |
| } |
| |
| @Override |
| public String explain(String deps) |
| { |
| String ldeps = (deps!=null) ? deps : ""; |
| |
| //current node details |
| return "LoopNode "+ldeps+" ["+_linputs.keySet().toString()+","+_loutputs.keySet().toString()+"]"; |
| } |
| } |