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.tez.planner.rule.expressiongraph;
023
024import cascading.flow.planner.graph.Extent;
025import cascading.flow.planner.iso.expression.AnnotationExpression;
026import cascading.flow.planner.iso.expression.ElementCapture;
027import cascading.flow.planner.iso.expression.ExpressionGraph;
028import cascading.flow.planner.iso.expression.FlowElementExpression;
029import cascading.flow.stream.annotations.RoleMode;
030import cascading.pipe.Boundary;
031import cascading.pipe.Group;
032import cascading.pipe.Merge;
033import cascading.tap.Tap;
034
035import static cascading.flow.planner.iso.expression.AndElementExpression.and;
036import static cascading.flow.planner.iso.expression.NotElementExpression.not;
037import static cascading.flow.planner.iso.expression.OrElementExpression.or;
038
039/**
040 *
041 */
042public class NoGroupMergeBoundaryTapExpressionGraph extends ExpressionGraph
043  {
044  public NoGroupMergeBoundaryTapExpressionGraph()
045    {
046    super(
047      not(
048        or(
049          ElementCapture.Primary,
050          new FlowElementExpression( Extent.class ),
051          new FlowElementExpression( Group.class ),
052          and( new FlowElementExpression( Merge.class ), not( new AnnotationExpression( RoleMode.Logical ) ) ),
053          new FlowElementExpression( Boundary.class ),
054          new FlowElementExpression( Tap.class )
055        )
056      )
057    );
058    }
059  }