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 */ 020 021 package cascading.flow.stream; 022 023 import cascading.flow.FlowProcess; 024 import cascading.pipe.Each; 025 import cascading.pipe.Operator; 026 import cascading.tuple.Fields; 027 import cascading.tuple.TupleEntry; 028 029 /** 030 * 031 */ 032 public abstract class EachStage extends OperatorStage<TupleEntry> implements Mapping 033 { 034 final Each each; 035 036 public EachStage( FlowProcess flowProcess, Each each ) 037 { 038 super( flowProcess, each ); 039 this.each = each; 040 } 041 042 @Override 043 public Operator getOperator() 044 { 045 return each; 046 } 047 048 @Override 049 protected Fields getOutgoingSelector() 050 { 051 return outgoingScopes.get( 0 ).getOutValuesSelector(); 052 } 053 }