001/*
002 * Copyright (c) 2007-2015 Concurrent, 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.rule.elementexpression;
022
023import cascading.flow.planner.iso.expression.ElementCapture;
024import cascading.flow.planner.iso.expression.FlowElementExpression;
025import cascading.flow.planner.iso.expression.OrElementExpression;
026import cascading.flow.planner.iso.expression.TypeExpression;
027import cascading.pipe.Group;
028import cascading.pipe.Merge;
029
030/**
031 *
032 */
033public class GroupOrMergeElementExpression extends OrElementExpression
034  {
035  public GroupOrMergeElementExpression()
036    {
037    super( new FlowElementExpression( Group.class ), new FlowElementExpression( Merge.class ) );
038    }
039
040  public GroupOrMergeElementExpression( TypeExpression.Topo topo )
041    {
042    super( new FlowElementExpression( Group.class, topo ), new FlowElementExpression( Merge.class, topo ) );
043    }
044
045  public GroupOrMergeElementExpression( ElementCapture capture )
046    {
047    super( capture, new FlowElementExpression( Group.class ), new FlowElementExpression( Merge.class ) );
048    }
049
050  public GroupOrMergeElementExpression( ElementCapture capture, TypeExpression.Topo topo )
051    {
052    super( capture, new FlowElementExpression( Group.class, topo ), new FlowElementExpression( Merge.class, topo ) );
053    }
054  }