001/* 002 * Copyright (c) 2016 Chris K Wensel <chris@wensel.net>. All Rights Reserved. 003 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 004 * 005 * Project and contact information: http://www.cascading.org/ 006 * 007 * This file is part of the Cascading project. 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package cascading.flow.planner.rule.transformer; 023 024import cascading.flow.planner.iso.transformer.RemoveBranchGraphTransformer; 025import cascading.flow.planner.rule.PlanPhase; 026import cascading.flow.planner.rule.RuleExpression; 027import cascading.flow.planner.rule.RuleTransformer; 028import cascading.flow.planner.rule.util.LogLevel; 029 030/** 031 * 032 */ 033public class RuleRemoveBranchTransformer extends RuleTransformer 034 { 035 public RuleRemoveBranchTransformer( PlanPhase phase, RuleExpression ruleExpression ) 036 { 037 this( null, phase, ruleExpression ); 038 } 039 040 public RuleRemoveBranchTransformer( LogLevel logLevel, PlanPhase phase, RuleExpression ruleExpression ) 041 { 042 super( logLevel, phase, ruleExpression ); 043 044 if( subGraphTransformer != null ) 045 graphTransformer = new RemoveBranchGraphTransformer( subGraphTransformer, ruleExpression.getMatchExpression() ); 046 else if( contractedTransformer != null ) 047 graphTransformer = new RemoveBranchGraphTransformer( contractedTransformer, ruleExpression.getMatchExpression() ); 048 else 049 graphTransformer = new RemoveBranchGraphTransformer( ruleExpression.getMatchExpression() ); 050 } 051 }