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.expression.ElementCapture; 025import cascading.flow.planner.iso.transformer.InsertionGraphTransformer; 026import cascading.flow.planner.rule.PlanPhase; 027import cascading.flow.planner.rule.RuleExpression; 028import cascading.flow.planner.rule.RuleTransformer; 029import cascading.flow.planner.rule.util.LogLevel; 030 031/** 032 * 033 */ 034public class RuleInsertionTransformer extends RuleTransformer 035 { 036 public RuleInsertionTransformer( PlanPhase phase, RuleExpression ruleExpression, String factoryName ) 037 { 038 this( null, phase, ruleExpression, null, factoryName ); 039 } 040 041 public RuleInsertionTransformer( PlanPhase phase, RuleExpression ruleExpression, String factoryName, InsertionGraphTransformer.Insertion insertion ) 042 { 043 this( null, phase, ruleExpression, null, factoryName, insertion ); 044 } 045 046 public RuleInsertionTransformer( PlanPhase phase, RuleExpression ruleExpression, ElementCapture capture, String factoryName ) 047 { 048 this( null, phase, ruleExpression, capture, factoryName, InsertionGraphTransformer.Insertion.After ); 049 } 050 051 public RuleInsertionTransformer( PlanPhase phase, RuleExpression ruleExpression, ElementCapture capture, String factoryName, InsertionGraphTransformer.Insertion insertion ) 052 { 053 this( null, phase, ruleExpression, capture, factoryName, insertion ); 054 } 055 056 public RuleInsertionTransformer( LogLevel logLevel, PlanPhase phase, RuleExpression ruleExpression, String factoryName ) 057 { 058 this( logLevel, phase, ruleExpression, null, factoryName ); 059 } 060 061 public RuleInsertionTransformer( LogLevel logLevel, PlanPhase phase, RuleExpression ruleExpression, String factoryName, InsertionGraphTransformer.Insertion insertion ) 062 { 063 this( logLevel, phase, ruleExpression, null, factoryName, insertion ); 064 } 065 066 public RuleInsertionTransformer( LogLevel logLevel, PlanPhase phase, RuleExpression ruleExpression, ElementCapture capture, String factoryName ) 067 { 068 this( logLevel, phase, ruleExpression, capture, factoryName, InsertionGraphTransformer.Insertion.After ); 069 } 070 071 public RuleInsertionTransformer( LogLevel logLevel, PlanPhase phase, RuleExpression ruleExpression, ElementCapture capture, String factoryName, InsertionGraphTransformer.Insertion insertion ) 072 { 073 super( logLevel, phase, ruleExpression ); 074 075 if( subGraphTransformer != null ) 076 graphTransformer = new InsertionGraphTransformer( subGraphTransformer, ruleExpression.getMatchExpression(), capture, factoryName, insertion ); 077 else if( contractedTransformer != null ) 078 graphTransformer = new InsertionGraphTransformer( contractedTransformer, ruleExpression.getMatchExpression(), capture, factoryName, insertion ); 079 else 080 graphTransformer = new InsertionGraphTransformer( ruleExpression.getMatchExpression(), capture, factoryName, insertion ); 081 } 082 }