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 }