    001    /*
    002     * Copyright (c) 2007-2014 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      }