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-rw-r--r-- | branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java b/branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java new file mode 100644 index 0000000000..2577a68808 --- /dev/null +++ b/branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java @@ -0,0 +1,117 @@ +/* + * 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.tuscany.sca.osgi.service.discovery.impl; + +import static org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.EndpointHelper.createEndpointDescription; + +import java.util.Dictionary; + +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation; +import org.apache.tuscany.sca.osgi.remoteserviceadmin.EndpointDescription; +import org.apache.tuscany.sca.runtime.DomainRegistryFactory; +import org.apache.tuscany.sca.runtime.EndpointListener; +import org.osgi.framework.BundleContext; + +/** + * Discovery service based on the distributed SCA domain + */ +public class DomainDiscoveryService extends AbstractDiscoveryService implements EndpointListener { + private DomainRegistryFactory domainRegistryFactory; + + public DomainDiscoveryService(BundleContext context) { + super(context); + } + + public void start() { + super.start(); + getExtensionPointRegistry(); + this.domainRegistryFactory = + registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(DomainRegistryFactory.class); + domainRegistryFactory.addListener(this); + } + + public void endpointAdded(Endpoint endpoint) { + Implementation impl = endpoint.getComponent().getImplementation(); + if (!(impl instanceof OSGiImplementation)) { + return; + } + + OSGiImplementation osgiImpl = (OSGiImplementation)impl; + BundleContext bundleContext = osgiImpl.getBundle().getBundleContext(); + + /* + if (!endpoint.isRemote()) { + Interface intf = endpoint.getService().getInterfaceContract().getInterface(); + JavaInterface javaInterface = (JavaInterface)intf; + // String filter = getOSGiFilter(provider.getOSGiProperties(service)); + // FIXME: What is the filter? + String filter = "(!(sca.reference=*))"; + // "(sca.service=" + component.getURI() + "#service-name\\(" + service.getName() + "\\))"; + ServiceReference ref = null; + try { + ref = bundleContext.getServiceReferences(javaInterface.getName(), filter)[0]; + } catch (InvalidSyntaxException e) { + // Ignore + } + if (ref != null) { + + } + } else + */ + { + // Notify the endpoint listeners + EndpointDescription description = createEndpointDescription(bundleContext, endpoint); + endpointChanged(description, ADDED); + } + } + + public void endpointRemoved(Endpoint endpoint) { + /* + if (!endpoint.isRemote()) { + // export services + } else + */ + { + EndpointDescription description = createEndpointDescription(context, endpoint); + endpointChanged(description, REMOVED); + } + } + + public void endpointUpdated(Endpoint oldEndpoint, Endpoint newEndpoint) { + // FIXME: This is a quick and dirty way for the update + endpointRemoved(oldEndpoint); + endpointAdded(newEndpoint); + } + + public void stop() { + domainRegistryFactory.removeListener(this); + super.stop(); + } + + @Override + protected Dictionary<String, Object> getProperties() { + Dictionary<String, Object> props = super.getProperties(); + props.put(SUPPORTED_PROTOCOLS, new String[] {"org.osgi.sca"}); + return props; + } +} |