001/*
002 * Copyright (c) 2007-2022 The Cascading Authors. All Rights Reserved.
003 *
004 * Project and contact information: https://cascading.wensel.net/
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.AnnotationExpression;
025import cascading.flow.planner.iso.expression.ElementCapture;
026import cascading.flow.planner.iso.expression.ExpressionGraph;
027import cascading.flow.planner.iso.expression.FlowElementExpression;
028import cascading.flow.stream.annotations.RoleMode;
029import cascading.pipe.Boundary;
030import cascading.pipe.Group;
031import cascading.pipe.Merge;
032import cascading.tap.Tap;
033
034import static cascading.flow.planner.iso.expression.AndElementExpression.and;
035import static cascading.flow.planner.iso.expression.NotElementExpression.not;
036import static cascading.flow.planner.iso.expression.OrElementExpression.or;
037
038/**
039 *
040 */
041public class NoGroupMergeBoundaryTapExpressionGraph extends ExpressionGraph
042  {
043  public NoGroupMergeBoundaryTapExpressionGraph()
044    {
045    super(
046      not(
047        or(
048          ElementCapture.Primary,
049          new FlowElementExpression( Extent.class ),
050          new FlowElementExpression( Group.class ),
051          and( new FlowElementExpression( Merge.class ), not( new AnnotationExpression( RoleMode.Logical ) ) ),
052          new FlowElementExpression( Boundary.class ),
053          new FlowElementExpression( Tap.class )
054        )
055      )
056    );
057    }
058  }