| /** |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.aries.cdi.container.internal.phase; |
| |
| import java.util.Collection; |
| |
| import javax.enterprise.inject.spi.Extension; |
| |
| import org.apache.aries.cdi.container.internal.container.ContainerState; |
| import org.jboss.weld.bootstrap.spi.Metadata; |
| |
| public class Phase_Configuration implements Phase { |
| |
| public Phase_Configuration( |
| ContainerState containerState, |
| Collection<Metadata<Extension>> extensions) { |
| |
| // _containerState = containerState; |
| // _extensions = extensions; |
| // |
| // _componentModels = _containerState.beansModel().getComponentModels(); |
| } |
| |
| @Override |
| public void close() { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void open() { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| /* @Override |
| public void close() { |
| _lock.lock(); |
| |
| try { |
| if (_nextPhase != null) { |
| _nextPhase.close(); |
| |
| _nextPhase = null; |
| } |
| |
| _containerState.managedServiceRegistrator().close(); |
| |
| _containerState.configurationCallbacks().clear(); |
| } |
| finally { |
| _lock.unlock(); |
| } |
| } |
| |
| @Override |
| |
| public void open() { |
| _lock.lock(); |
| |
| try { |
| _containerState.fire(CdiEvent.Type.WAITING_FOR_CONFIGURATIONS); |
| |
| openConfigurations(); |
| |
| if (callbacksResolved()) { |
| _nextPhase = new Phase_Reference(_containerState, _extensions); |
| _nextPhase.open(); |
| } |
| } |
| finally { |
| _lock.unlock(); |
| } |
| } |
| |
| boolean callbacksExist() { |
| return _containerState.configurationCallbacks().values().stream().flatMap( |
| entry -> entry.values().stream() |
| ).findFirst().isPresent(); |
| } |
| |
| boolean callbacksResolved() { |
| return !_containerState.configurationCallbacks().values().stream().flatMap( |
| valueMap -> valueMap.values().stream() |
| ).filter( |
| c -> !c.resolved() |
| ).findFirst().isPresent(); |
| } |
| |
| void openConfigurations() { |
| Consumer<ConfigurationCallback> onAdd = cc -> { |
| _lock.lock(); |
| try { |
| if (callbacksResolved()) { |
| if ((_nextPhase != null)) { |
| _nextPhase.close(); |
| _nextPhase = null; |
| } |
| |
| if ((_nextPhase == null)) { |
| _nextPhase = new Phase_Reference(_containerState, _extensions); |
| _nextPhase.open(); |
| } |
| } |
| } |
| finally { |
| _lock.unlock(); |
| } |
| }, |
| onUpdateOrRemove = cc -> { |
| _lock.lock(); |
| try { |
| _nextPhase.close(); |
| _nextPhase = null; |
| if (callbacksResolved()) { |
| _nextPhase = new Phase_Reference(_containerState, _extensions); |
| _nextPhase.open(); |
| } |
| else { |
| _containerState.fire(CdiEvent.Type.WAITING_FOR_CONFIGURATIONS); |
| } |
| } |
| finally { |
| _lock.unlock(); |
| } |
| }; |
| |
| _componentModels.stream().forEach( |
| componentModel -> openConfigurations(componentModel, onAdd, onUpdateOrRemove, onUpdateOrRemove) |
| ); |
| } |
| |
| void openConfigurations( |
| ComponentModel componentModel, |
| Consumer<ConfigurationCallback> onAdd, |
| Consumer<ConfigurationCallback> onUpdate, |
| Consumer<ConfigurationCallback> onRemove) { |
| |
| _lock.lock(); |
| |
| try { |
| componentModel.getConfigurations().stream().forEach( |
| configurationModel -> Arrays.stream(configurationModel.getPid()).distinct().forEach( |
| pid -> { |
| if (Configuration.NAME.equals(pid)) { |
| pid = componentModel.getName(); |
| } |
| |
| registerConfigurationCallback( |
| componentModel, pid, onAdd, onUpdate, onRemove, configurationModel.getConfigurationPolicy()); |
| } |
| ) |
| ); |
| |
| if (!_containerState.configurationCallbacks().containsKey(componentModel)) { |
| |
| // Add a default callback for every Component using it's name as pid. |
| |
| registerConfigurationCallback( |
| componentModel, componentModel.getName(), onAdd, onUpdate, onRemove, ConfigurationPolicy.OPTIONAL); |
| } |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| } |
| finally { |
| _lock.unlock(); |
| } |
| } |
| |
| void registerConfigurationCallback( |
| ComponentModel componentModel, |
| String pid, |
| Consumer<ConfigurationCallback> onAdd, |
| Consumer<ConfigurationCallback> onUpdate, |
| Consumer<ConfigurationCallback> onRemove, |
| ConfigurationPolicy policy) { |
| |
| Map<String, ConfigurationCallback> valueMap = _containerState.configurationCallbacks().computeIfAbsent( |
| componentModel, k -> new LinkedHashMap<>()); |
| |
| ConfigurationCallback callback = valueMap.get(pid); |
| |
| if ((callback == null) || |
| (policy == ConfigurationPolicy.REQUIRE)) { |
| |
| callback = new ConfigurationCallback.Builder().onAdd( |
| onAdd |
| ).onRemove( |
| onRemove |
| ).onUpdate( |
| onUpdate |
| ).pid( |
| pid |
| ).policy( |
| policy |
| ).build(); |
| |
| valueMap.put(pid, callback); |
| } |
| |
| _containerState.managedServiceRegistrator().registerService( |
| new ConfigurationManagedService(pid, callback), |
| Constants.SERVICE_PID, pid, "component.id", _counter.incrementAndGet()); |
| } |
| |
| private final Collection<ComponentModel> _componentModels; |
| private final ContainerState _containerState; |
| private final AtomicInteger _counter = new AtomicInteger(); |
| private final Collection<Metadata<Extension>> _extensions; |
| private final Lock _lock = new ReentrantLock(); |
| private volatile Phase _nextPhase; |
| */} |