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/*
* 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()+"]";
}
}