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.management;
022    
023    import cascading.stats.CascadingStats;
024    
025    /**
026     * Interface UnitOfWork is a common interface for {@link cascading.flow.Flow} and {@link cascading.cascade.Cascade}
027     * allowing them to be used interchangeably.
028     */
029    public interface UnitOfWork<Stats extends CascadingStats>
030      {
031      String getName();
032    
033      String getID();
034    
035      Stats getStats();
036    
037      String getTags();
038    
039      void prepare();
040    
041      void start();
042    
043      void stop();
044    
045      void complete();
046    
047      void cleanup();
048    
049      void setSpawnStrategy( UnitOfWorkSpawnStrategy spawnStrategy );
050    
051      UnitOfWorkSpawnStrategy getSpawnStrategy();
052      }