001/* 002 * Copyright (c) 2016-2017 Chris K Wensel <chris@wensel.net>. All Rights Reserved. 003 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 004 * 005 * Project and contact information: http://www.cascading.org/ 006 * 007 * This file is part of the Cascading project. 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package cascading.provider; 023 024import cascading.flow.FlowProcess; 025 026/** 027 * Interface CascadingFactory defines a pluggable "factory" class that can be loaded by the {@link FactoryLoader} 028 * utility. 029 * <p> 030 * Factory instances are created process side (in a cluster for example) to augment any of the internal strategies. 031 * 032 * @see FactoryLoader 033 */ 034public interface CascadingFactory<Config, Instance> 035 { 036 /** 037 * Method initialize will configure an initialize this factory instance. 038 * 039 * @param flowProcess of type FlowProcess 040 */ 041 void initialize( FlowProcess<? extends Config> flowProcess ); 042 043 /** 044 * Method create will return a new instance of the type create by this factory. 045 * 046 * @param flowProcess of type FlowProcess 047 * @return of type Instance 048 */ 049 Instance create( FlowProcess<? extends Config> flowProcess ); 050 }