001 // Copyright 2004, 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.hivemind.service.impl; 016 017 import org.apache.hivemind.ServiceImplementationFactory; 018 import org.apache.hivemind.ServiceImplementationFactoryParameters; 019 020 /** 021 * Implementation of {@link org.apache.hivemind.ServiceImplementationFactory} that can instantiate 022 * an object and then configure its properties. 023 * <p> 024 * Some thought has been given to using bytecode generation to create properties for messages, 025 * extension point id, and so forth. This is being avoided because it undermines the ability to test 026 * service implemenations as POJOs, outside the framework of HiveMind. 027 * <p> 028 * Instead the service is configured by means of the implementation's constructor and setter 029 * methods. 030 * 031 * @author Howard Lewis Ship 032 */ 033 public class BuilderFactory implements ServiceImplementationFactory 034 { 035 public Object createCoreServiceImplementation( 036 ServiceImplementationFactoryParameters factoryParameters) 037 { 038 BuilderParameter parameter = (BuilderParameter) factoryParameters.getFirstParameter(); 039 040 BuilderFactoryLogic logic = new BuilderFactoryLogic(factoryParameters, parameter); 041 042 return logic.createService(); 043 } 044 }