001/* 002 * Copyright (c) 2007-2016 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.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 }