| /* |
| * 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.lops; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.sysds.runtime.controlprogram.parfor.util.IDSequence; |
| |
| public class LopProperties |
| { |
| public enum ExecType { CP, CP_FILE, SPARK, GPU, INVALID, FED } |
| |
| // static variable to assign an unique ID to every lop that is created |
| private static IDSequence UniqueLopID = null; |
| |
| static{ |
| UniqueLopID = new IDSequence(); |
| } |
| |
| /** |
| * Execution properties for each lop. |
| * |
| * execLoc = in case execType=MR, where does this lop must run in a job (map, reduce, etc.) |
| * compatibleJobs = list of job types in which this lop can be run. It is maintained as a bit vector. |
| * breaksAlignment = does this lop alters the keys ? |
| * isAligner = is this lop mainly used to reorder/sort/align the keys |
| * |
| */ |
| long ID; |
| int level; |
| ExecType execType; |
| boolean producesIntermediateOutput; |
| |
| public LopProperties() { |
| ID = UniqueLopID.getNextID(); |
| execType = ExecType.INVALID; |
| producesIntermediateOutput = false; |
| } |
| |
| public long getID() { return ID; } |
| public int getLevel() { return level; } |
| public void setLevel( int l ) { level = l; } |
| |
| public ExecType getExecType() { |
| return execType; |
| } |
| |
| public boolean getProducesIntermediateOutput() { |
| return producesIntermediateOutput; |
| } |
| |
| public void setProducesIntermediateOutput(boolean pio) { |
| producesIntermediateOutput = pio; |
| } |
| |
| /* |
| * Function to compute the node level in the entire Lops DAG. |
| * level(v) = max( levels(v.inputs) ) + 1 |
| */ |
| public void setLevel(ArrayList<Lop> inputs) { |
| int tmplevel = -1; |
| if ( inputs == null || inputs.isEmpty() ) |
| tmplevel = 0; |
| else { |
| // find the max level among all inputs |
| for(Lop in : inputs) { |
| if(tmplevel < in.getLevel() ) { |
| tmplevel = in.getLevel(); |
| } |
| } |
| // this.level should be one more than the max |
| tmplevel = tmplevel+1; |
| } |
| setLevel(tmplevel); |
| } |
| |
| public void setProperties ( ArrayList<Lop> inputs, ExecType et) { |
| execType = et; |
| setLevel(inputs); |
| } |
| } |