    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  }