001/*
002 * Copyright (c) 2007-2017 Xplenty, 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.provider;
022
023import cascading.flow.FlowProcess;
024
025/**
026 * Interface CascadingFactory defines a pluggable "factory" class that can be loaded by the {@link FactoryLoader}
027 * utility.
028 * <p/>
029 * Factory instances are created process side (in a cluster for example) to augment any of the internal strategies.
030 *
031 * @see FactoryLoader
032 */
033public interface CascadingFactory<Config, Instance>
034  {
035  /**
036   * Method initialize will configure an initialize this factory instance.
037   *
038   * @param flowProcess of type FlowProcess
039   */
040  void initialize( FlowProcess<? extends Config> flowProcess );
041
042  /**
043   * Method create will return a new instance of the type create by this factory.
044   *
045   * @param flowProcess of type FlowProcess
046   * @return of type Instance
047   */
048  Instance create( FlowProcess<? extends Config> flowProcess );
049  }