001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.xbean.kernel.standard; 018 019 import java.util.concurrent.Executor; 020 import java.util.concurrent.TimeUnit; 021 import org.apache.xbean.kernel.Kernel; 022 import org.apache.xbean.kernel.ServiceFactory; 023 import org.apache.xbean.kernel.ServiceName; 024 025 /** 026 * The ServiceManagerFactory handles the construction ServiceManagers. 027 * 028 * @author Dain Sundstrom 029 * @version $Id$ 030 * @since 2.0 031 */ 032 public class ServiceManagerFactory { 033 /** 034 * The kernel in which the service will be bound. 035 */ 036 private final Kernel kernel; 037 038 /** 039 * This monitor broadcasts events to the listeners registered for service. 040 */ 041 private final ServiceMonitorBroadcaster serviceMonitor; 042 043 /** 044 * Events service events are sent asynchronously using this executor. 045 */ 046 private final Executor serviceExecutor; 047 048 /** 049 * The maximum duration to wait for a service event to complete. 050 */ 051 private final long timeoutDuration; 052 053 /** 054 * The unit of measure for the {@link #timeoutDuration}. 055 */ 056 private final TimeUnit timeoutUnits; 057 058 /** 059 * Creates a ServiceManagerFactory. 060 * 061 * @param kernel the kernel in which the service will be registered 062 * @param serviceMonitor the service monitor used for all services created by this factory 063 * @param serviceExecutor the executor available to the service manager 064 * @param timeoutDuration the maximum duration to wait for a service event to complete 065 * @param timeoutUnits the unit of measure for the timeoutDuration 066 */ 067 public ServiceManagerFactory(Kernel kernel, ServiceMonitorBroadcaster serviceMonitor, Executor serviceExecutor, long timeoutDuration, TimeUnit timeoutUnits) { 068 this.kernel = kernel; 069 this.serviceMonitor = serviceMonitor; 070 this.serviceExecutor = serviceExecutor; 071 this.timeoutDuration = timeoutDuration; 072 this.timeoutUnits = timeoutUnits; 073 } 074 075 /** 076 * Creates a ServiceManager. 077 * 078 * @param serviceId the id of the service 079 * @param serviceName the name of the service 080 * @param serviceFactory the factory for the service 081 * @param classLoader the classloader for the service 082 * @return a new service manager 083 */ 084 public ServiceManager createServiceManager(long serviceId, ServiceName serviceName, ServiceFactory serviceFactory) { 085 return new ServiceManager(kernel, 086 serviceId, 087 serviceName, 088 serviceFactory, 089 new AsyncServiceMonitor(serviceMonitor, serviceExecutor), 090 timeoutDuration, 091 timeoutUnits); 092 } 093 }