    001/*
    002 * Copyright (c) 2007-2016 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.tez.planner.rule.expressiongraph;
    022
    023import cascading.flow.planner.graph.Extent;
    024import cascading.flow.planner.iso.expression.ElementCapture;
    025import cascading.flow.planner.iso.expression.ExpressionGraph;
    026import cascading.flow.planner.iso.expression.FlowElementExpression;
    027import cascading.pipe.Boundary;
    028import cascading.pipe.Group;
    029import cascading.pipe.Merge;
    030import cascading.tap.Tap;
    031
    032import static cascading.flow.planner.iso.expression.NotElementExpression.not;
    033import static cascading.flow.planner.iso.expression.OrElementExpression.or;
    034
    035/**
    036 *
    037 */
    038public class NoGroupMergeBoundaryTapExpressionGraph extends ExpressionGraph
    039  {
    040  public NoGroupMergeBoundaryTapExpressionGraph()
    041    {
    042    super(
    043      not(
    044        or(
    045          ElementCapture.Primary,
    046          new FlowElementExpression( Extent.class ),
    047          new FlowElementExpression( Group.class ),
    048          new FlowElementExpression( Merge.class ),
    049          new FlowElementExpression( Boundary.class ),
    050          new FlowElementExpression( Tap.class )
    051        )
    052      )
    053    );
    054    }
    055  }