    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.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  }