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 cascading.flow.FlowProcess;
024import cascading.pipe.Each;
025import cascading.pipe.Operator;
026import cascading.tuple.Fields;
027import cascading.tuple.TupleEntry;
028
029/**
030 *
031 */
032public abstract class EachStage extends OperatorStage<TupleEntry>
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  }