| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.jax.rs.whiteboard.internal; |
| |
| import org.apache.aries.component.dsl.CachingServiceReference; |
| import org.apache.aries.component.dsl.OSGi; |
| import org.apache.aries.component.dsl.OSGiResult; |
| import org.osgi.framework.Filter; |
| import org.osgi.framework.FrameworkUtil; |
| import org.osgi.framework.InvalidSyntaxException; |
| |
| import java.util.HashSet; |
| |
| import static org.apache.aries.component.dsl.OSGi.fromOsgiRunnable; |
| |
| public class ServiceReferenceRegistry implements AutoCloseable { |
| |
| public ServiceReferenceRegistry() { |
| _extensionPublishers = new HashSet<>(); |
| _registeredExtensions = new HashSet<>(); |
| } |
| |
| @Override |
| public void close() { |
| for (ServiceReferenceFilteredPublisher extensionPublisher : |
| new HashSet<>(_extensionPublishers)) { |
| |
| extensionPublisher.close(); |
| } |
| } |
| |
| public OSGi<CachingServiceReference<?>> waitFor(String filterString) { |
| Filter filter; |
| |
| try { |
| filter = FrameworkUtil.createFilter(filterString); |
| } |
| catch (InvalidSyntaxException e) { |
| throw new RuntimeException(); |
| } |
| |
| return fromOsgiRunnable((bc, p) -> { |
| synchronized (ServiceReferenceRegistry.this) { |
| ServiceReferenceFilteredPublisher ep = |
| new ServiceReferenceFilteredPublisher(p, filter); |
| |
| _extensionPublishers.add(ep); |
| |
| for (CachingServiceReference<?> extension : |
| new HashSet<>(_registeredExtensions)) { |
| |
| ep.publishIfMatched(extension); |
| } |
| |
| return () -> { |
| synchronized (ServiceReferenceRegistry.this) { |
| _extensionPublishers.remove(ep); |
| |
| for (CachingServiceReference<?> extension : |
| new HashSet<>(_registeredExtensions)) { |
| |
| ep.retractIfMatched(extension); |
| } |
| } |
| }; |
| } |
| |
| }); |
| } |
| |
| public void register(CachingServiceReference<?> serviceReference) { |
| synchronized (ServiceReferenceRegistry.this) { |
| _registeredExtensions.add(serviceReference); |
| |
| for (ServiceReferenceFilteredPublisher publisher : |
| new HashSet<>(_extensionPublishers)) { |
| |
| publisher.publishIfMatched(serviceReference); |
| } |
| } |
| } |
| |
| public void unregister(CachingServiceReference<?> serviceReference) { |
| synchronized (ServiceReferenceRegistry.this) { |
| for (ServiceReferenceFilteredPublisher publisher : |
| new HashSet<>(_extensionPublishers)) { |
| |
| publisher.retractIfMatched(serviceReference); |
| } |
| |
| _registeredExtensions.remove(serviceReference); |
| } |
| } |
| |
| private final HashSet<ServiceReferenceFilteredPublisher> |
| _extensionPublishers; |
| private final HashSet<CachingServiceReference<?>> _registeredExtensions; |
| |
| } |