001/* 002 * Copyright (c) 2007-2015 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.stream.element; 022 023import java.util.List; 024import java.util.Set; 025 026import cascading.flow.FlowElement; 027import cascading.flow.planner.Scope; 028 029/** 030 * 031 */ 032public interface ElementDuct 033 { 034 Set<String> getBranchNames(); 035 036 void setBranchNames( Set<String> branchNames ); 037 038 FlowElement getFlowElement(); 039 040 void setTrapHandler( TrapHandler trapHandler ); 041 042 boolean hasTrapHandler(); 043 044 List<Scope> getIncomingScopes(); 045 046 List<Scope> getOutgoingScopes(); 047 }