| /* |
| * 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.lineage; |
| |
| import org.apache.sysds.runtime.controlprogram.ForProgramBlock; |
| import org.apache.sysds.runtime.controlprogram.FunctionProgramBlock; |
| import org.apache.sysds.runtime.controlprogram.IfProgramBlock; |
| import org.apache.sysds.runtime.controlprogram.ProgramBlock; |
| import org.apache.sysds.runtime.controlprogram.WhileProgramBlock; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| |
| public class LineageDedupUtils { |
| |
| public static boolean isValidDedupBlock(ProgramBlock pb, boolean inLoop) { |
| boolean ret = true; //basic program block |
| if (pb instanceof FunctionProgramBlock) { |
| FunctionProgramBlock fsb = (FunctionProgramBlock)pb; |
| for (ProgramBlock cpb : fsb.getChildBlocks()) |
| ret &= isValidDedupBlock(cpb, inLoop); |
| } |
| else if (pb instanceof WhileProgramBlock) { |
| if( inLoop ) return false; |
| WhileProgramBlock wpb = (WhileProgramBlock) pb; |
| for (ProgramBlock cpb : wpb.getChildBlocks()) |
| ret &= isValidDedupBlock(cpb, true); |
| } |
| else if (pb instanceof IfProgramBlock) { |
| IfProgramBlock ipb = (IfProgramBlock) pb; |
| for (ProgramBlock cpb : ipb.getChildBlocksIfBody()) |
| ret &= isValidDedupBlock(cpb, inLoop); |
| for (ProgramBlock cpb : ipb.getChildBlocksElseBody()) |
| ret &= isValidDedupBlock(cpb, inLoop); |
| } |
| else if (pb instanceof ForProgramBlock) { //incl parfor |
| if( inLoop ) return false; |
| ForProgramBlock fpb = (ForProgramBlock) pb; |
| for (ProgramBlock cpb : fpb.getChildBlocks()) |
| ret &= isValidDedupBlock(cpb, true); |
| } |
| return ret; |
| } |
| |
| public static LineageDedupBlock computeDedupBlock(ProgramBlock fpb, ExecutionContext ec) { |
| LineageDedupBlock ldb = new LineageDedupBlock(); |
| ec.getLineage().setInitDedupBlock(ldb); |
| ldb.traceProgramBlocks(fpb.getChildBlocks(), ec); |
| ec.getLineage().setInitDedupBlock(null); |
| return ldb; |
| } |
| } |