001/* 002 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.flow.planner.iso; 022 023import java.io.File; 024 025import cascading.flow.planner.graph.ElementGraph; 026 027/** 028 * 029 */ 030public abstract class GraphResult<R extends ElementGraph> 031 { 032 public abstract ElementGraph getBeginGraph(); 033 034 public abstract String getRuleName(); 035 036 public abstract R getEndGraph(); 037 038 public abstract void writeDOTs( String path ); 039 040 protected void writeEndGraph( String path, int count ) 041 { 042 if( getEndGraph() != null ) 043 { 044 String name = getEndGraph().getClass().getSimpleName(); 045 getEndGraph().writeDOT( new File( path, makeFileName( count, name, "end" ) ).toString() ); 046 } 047 } 048 049 protected int writeBeginGraph( String path, int count ) 050 { 051 if( getBeginGraph() != null ) 052 { 053 String name = getBeginGraph().getClass().getSimpleName(); 054 getBeginGraph().writeDOT( new File( path, makeFileName( count++, name, "begin" ) ).toString() ); 055 } 056 057 return count; 058 } 059 060 protected String makeFileName( int ordinal, String name, String state ) 061 { 062 return String.format( "%04d-%s-%s.dot", ordinal, name, state ); 063 } 064 }