Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 19 | package org.apache.felix.dm; |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 20 | |
| 21 | import java.util.ArrayList; |
| 22 | import java.util.Collections; |
Marcel Offermans | 80eeafe | 2009-12-01 22:12:26 +0000 | [diff] [blame] | 23 | import java.util.Dictionary; |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 24 | import java.util.List; |
| 25 | |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 26 | import org.apache.felix.dm.dependencies.BundleDependency; |
| 27 | import org.apache.felix.dm.dependencies.ConfigurationDependency; |
| 28 | import org.apache.felix.dm.dependencies.ResourceDependency; |
| 29 | import org.apache.felix.dm.dependencies.ServiceDependency; |
| 30 | import org.apache.felix.dm.dependencies.TemporalServiceDependency; |
Marcel Offermans | 001db05 | 2009-12-08 08:58:40 +0000 | [diff] [blame] | 31 | import org.apache.felix.dm.impl.AdapterImpl; |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 32 | import org.apache.felix.dm.impl.AspectImpl; |
Marcel Offermans | 001db05 | 2009-12-08 08:58:40 +0000 | [diff] [blame] | 33 | import org.apache.felix.dm.impl.BundleAdapterImpl; |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 34 | import org.apache.felix.dm.impl.Logger; |
Marcel Offermans | 001db05 | 2009-12-08 08:58:40 +0000 | [diff] [blame] | 35 | import org.apache.felix.dm.impl.ResourceAdapterImpl; |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 36 | import org.apache.felix.dm.impl.ServiceImpl; |
| 37 | import org.apache.felix.dm.impl.dependencies.BundleDependencyImpl; |
| 38 | import org.apache.felix.dm.impl.dependencies.ConfigurationDependencyImpl; |
| 39 | import org.apache.felix.dm.impl.dependencies.ResourceDependencyImpl; |
| 40 | import org.apache.felix.dm.impl.dependencies.ServiceDependencyImpl; |
| 41 | import org.apache.felix.dm.impl.dependencies.TemporalServiceDependencyImpl; |
| 42 | import org.apache.felix.dm.service.Service; |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 43 | import org.osgi.framework.BundleContext; |
| 44 | |
| 45 | /** |
| 46 | * The dependency manager. Manages all services and their dependencies. |
| 47 | * |
| 48 | * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| 49 | */ |
| 50 | public class DependencyManager { |
| 51 | private final BundleContext m_context; |
| 52 | private final Logger m_logger; |
| 53 | private List m_services = Collections.synchronizedList(new ArrayList()); |
| 54 | |
| 55 | /** |
| 56 | * Creates a new dependency manager. |
| 57 | * |
| 58 | * @param context the bundle context |
| 59 | * @param logger |
| 60 | */ |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 61 | public DependencyManager(BundleContext context) { |
| 62 | this(context, new Logger(context)); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Creates a new dependency manager. |
| 67 | * |
| 68 | * @param context the bundle context |
| 69 | * @param logger |
| 70 | */ |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 71 | public DependencyManager(BundleContext context, Logger logger) { |
| 72 | m_context = context; |
| 73 | m_logger = logger; |
| 74 | } |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 75 | |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 76 | /** |
| 77 | * Adds a new service to the dependency manager. After the service was added |
| 78 | * it will be started immediately. |
| 79 | * |
| 80 | * @param service the service to add |
| 81 | */ |
| 82 | public void add(Service service) { |
| 83 | m_services.add(service); |
| 84 | service.start(); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Removes a service from the dependency manager. Before the service is removed |
| 89 | * it is stopped first. |
| 90 | * |
| 91 | * @param service the service to remove |
| 92 | */ |
| 93 | public void remove(Service service) { |
| 94 | service.stop(); |
| 95 | m_services.remove(service); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Creates a new service. |
| 100 | * |
| 101 | * @return the new service |
| 102 | */ |
| 103 | public Service createService() { |
| 104 | return new ServiceImpl(m_context, this, m_logger); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Creates a new service dependency. |
| 109 | * |
| 110 | * @return the service dependency |
| 111 | */ |
| 112 | public ServiceDependency createServiceDependency() { |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 113 | return new ServiceDependencyImpl(m_context, m_logger); |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 114 | } |
| 115 | |
Marcel Offermans | 74363c3 | 2009-11-23 19:56:08 +0000 | [diff] [blame] | 116 | /** |
| 117 | * Creates a new temporal service dependency. |
| 118 | * |
| 119 | * @param timeout the max number of milliseconds to wait for a service availability. |
| 120 | * @return the service dependency |
| 121 | */ |
| 122 | public TemporalServiceDependency createTemporalServiceDependency() { |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 123 | return new TemporalServiceDependencyImpl(m_context, m_logger); |
Marcel Offermans | 74363c3 | 2009-11-23 19:56:08 +0000 | [diff] [blame] | 124 | } |
Marcel Offermans | 2925f17 | 2009-12-02 13:03:39 +0000 | [diff] [blame] | 125 | |
| 126 | /** |
| 127 | * Creates a new configuration dependency. |
| 128 | * |
| 129 | * @return |
| 130 | */ |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 131 | public ConfigurationDependency createConfigurationDependency() { |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 132 | return new ConfigurationDependencyImpl(m_context, m_logger); |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 133 | } |
| 134 | |
Marcel Offermans | 2925f17 | 2009-12-02 13:03:39 +0000 | [diff] [blame] | 135 | /** |
| 136 | * Creates a new bundle dependency. |
| 137 | * |
| 138 | * @return |
| 139 | */ |
Marcel Offermans | d66c5ce | 2009-11-26 09:58:44 +0000 | [diff] [blame] | 140 | public BundleDependency createBundleDependency() { |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 141 | return new BundleDependencyImpl(m_context, m_logger); |
Marcel Offermans | d66c5ce | 2009-11-26 09:58:44 +0000 | [diff] [blame] | 142 | } |
Marcel Offermans | 2925f17 | 2009-12-02 13:03:39 +0000 | [diff] [blame] | 143 | |
| 144 | /** |
| 145 | * Creates a new resource dependency. |
| 146 | * |
| 147 | * @return |
| 148 | */ |
| 149 | public ResourceDependency createResourceDependency() { |
Pierre De Rop | ae4a5db | 2009-12-04 22:08:05 +0000 | [diff] [blame] | 150 | return new ResourceDependencyImpl(m_context, m_logger); |
Marcel Offermans | 2925f17 | 2009-12-02 13:03:39 +0000 | [diff] [blame] | 151 | } |
Marcel Offermans | 80eeafe | 2009-12-01 22:12:26 +0000 | [diff] [blame] | 152 | |
Marcel Offermans | 2925f17 | 2009-12-02 13:03:39 +0000 | [diff] [blame] | 153 | /** |
| 154 | * Creates a new aspect. |
| 155 | * |
| 156 | * @param serviceInterface |
| 157 | * @param serviceFilter |
| 158 | * @param aspectImplementation |
| 159 | * @param properties |
| 160 | * @return |
| 161 | */ |
Marcel Offermans | 80eeafe | 2009-12-01 22:12:26 +0000 | [diff] [blame] | 162 | public Service createAspectService(Class serviceInterface, String serviceFilter, Object aspectImplementation, Dictionary properties) { |
| 163 | return createService() |
| 164 | .setImplementation(new AspectImpl(serviceInterface, serviceFilter, aspectImplementation, properties)) |
| 165 | .add(createServiceDependency() |
| 166 | .setService(serviceInterface, serviceFilter) |
| 167 | .setAutoConfig(false) |
| 168 | .setCallbacks("added", "removed") |
| 169 | ); |
| 170 | } |
Marcel Offermans | 001db05 | 2009-12-08 08:58:40 +0000 | [diff] [blame] | 171 | |
| 172 | //TODO rename iface en iface2 to adaptor en adaptee o.i.d. |
| 173 | public Service createAdapterService(Class iface, Class iface2, Class impl) { |
| 174 | return createService() |
| 175 | .setImplementation(new AdapterImpl(iface, iface2, impl)) |
| 176 | .add(createServiceDependency() |
| 177 | .setService(iface) |
| 178 | .setAutoConfig(false) |
| 179 | .setCallbacks("added", "removed") |
| 180 | ); |
| 181 | } |
| 182 | |
| 183 | // TODO note to self, there are Dependency's and DependencyCollections |
| 184 | // (being a dependency on more than one, fi ServiceDendency, ResourceDependency |
Marcel Offermans | d403a1d | 2009-12-10 09:57:06 +0000 | [diff] [blame^] | 185 | public Service createResourceAdapterService(String resourceFilter, Class iface2, Object impl, boolean propagate) { |
Marcel Offermans | 001db05 | 2009-12-08 08:58:40 +0000 | [diff] [blame] | 186 | return createService() |
Marcel Offermans | d403a1d | 2009-12-10 09:57:06 +0000 | [diff] [blame^] | 187 | .setImplementation(new ResourceAdapterImpl(impl, iface2, propagate)) |
Marcel Offermans | 001db05 | 2009-12-08 08:58:40 +0000 | [diff] [blame] | 188 | .add(createResourceDependency() |
| 189 | .setFilter(resourceFilter) |
| 190 | .setAutoConfig(false) |
| 191 | .setCallbacks("added", "removed") |
| 192 | ) |
| 193 | ; |
| 194 | } |
| 195 | |
| 196 | public Service createBundleAdapterService(int stateMask, String filter, Object impl, Class iface) { |
| 197 | return createService() |
| 198 | .setImplementation(new BundleAdapterImpl(stateMask, filter, impl, iface)) |
| 199 | .add(createBundleDependency() |
| 200 | .setFilter(filter) |
| 201 | .setStateMask(stateMask) |
| 202 | .setCallbacks("added", "removed") |
| 203 | ) |
| 204 | ; |
| 205 | } |
Marcel Offermans | 80eeafe | 2009-12-01 22:12:26 +0000 | [diff] [blame] | 206 | |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 207 | /** |
| 208 | * Returns a list of services. |
| 209 | * |
| 210 | * @return a list of services |
| 211 | */ |
| 212 | public List getServices() { |
| 213 | return Collections.unmodifiableList(m_services); |
| 214 | } |
Marcel Offermans | a962bc9 | 2009-11-21 17:59:33 +0000 | [diff] [blame] | 215 | } |