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-rw-r--r--sca-java-2.x/trunk/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java19
-rw-r--r--sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointIntrospector.java17
-rw-r--r--sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointMatcher.java271
-rw-r--r--sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiHelper.java43
-rw-r--r--sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/RemoteServiceAdminImpl.java4
-rw-r--r--sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/TopologyManagerImpl.java247
-rw-r--r--sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/AbstractDiscoveryService.java11
7 files changed, 447 insertions, 165 deletions
diff --git a/sca-java-2.x/trunk/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java b/sca-java-2.x/trunk/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java
index cc3fb4676d..0db80c891d 100644
--- a/sca-java-2.x/trunk/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java
+++ b/sca-java-2.x/trunk/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java
@@ -48,13 +48,28 @@ public class CollectionMap<K, V> extends ConcurrentHashMap<K, Collection<V>> {
}
public boolean removeValue(K key, V value) {
+ return removeValue(key, value, false);
+ }
+
+ /**
+ * Remove an entry from the collection for a key
+ * @param key The key
+ * @param value The value in the collection
+ * @param removeEmptyEntry Indicate if the entry should be removed if the collection is empty
+ * @return
+ */
+ public boolean removeValue(K key, V value, boolean removeEmptyEntry) {
Collection<V> collection = get(key);
if (collection == null) {
return false;
}
- return collection.remove(value);
+ boolean result = collection.remove(value);
+ if(removeEmptyEntry && collection.isEmpty()) {
+ remove(key);
+ }
+ return result;
}
-
+
protected Collection<V> createCollection() {
return new ArrayList<V>();
}
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointIntrospector.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointIntrospector.java
index 412e119c76..ffd619a4c2 100644
--- a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointIntrospector.java
+++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointIntrospector.java
@@ -100,21 +100,21 @@ public class EndpointIntrospector {
private ServiceTracker discoveryTracker;
/**
- * @param intentName
+ * @param name
* @return
*/
- private static QName getQName(String intentName) {
+ private static QName getQName(String name) {
QName qname;
- if (intentName.startsWith("{")) {
- int i = intentName.indexOf('}');
+ if (name.startsWith("{")) {
+ int i = name.indexOf('}');
if (i != -1) {
- qname = new QName(intentName.substring(1, i), intentName.substring(i + 1));
+ qname = new QName(name.substring(1, i), name.substring(i + 1));
} else {
- throw new IllegalArgumentException("Invalid intent: " + intentName);
+ throw new IllegalArgumentException("Invalid qname: " + name);
}
} else {
// Default to SCA namespace
- qname = new QName(Base.SCA11_NS, intentName);
+ qname = new QName("", name);
}
return qname;
}
@@ -474,7 +474,8 @@ public class EndpointIntrospector {
for (ExtenderConfiguration config : discoveryService.getConfigurations()) {
for (SCAConfig sc : config.getSCAConfigs()) {
for (QName bindingName : bindingNames) {
- if (sc.getTargetNamespace().equals(bindingName.getNamespaceURI())) {
+ if ("".equals(bindingName.getNamespaceURI()) || sc.getTargetNamespace().equals(bindingName
+ .getNamespaceURI())) {
for (Binding binding : sc.getBindings()) {
if (bindingName.getLocalPart().equals(binding.getName())) {
bindingMap.put(bindingName, binding);
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointMatcher.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointMatcher.java
new file mode 100644
index 0000000000..b393960fd6
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/EndpointMatcher.java
@@ -0,0 +1,271 @@
+/*
+ * 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.remoteserviceadmin.impl;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.common.java.collection.CollectionMap;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.Filter;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.hooks.service.ListenerHook.ListenerInfo;
+import org.osgi.service.remoteserviceadmin.EndpointDescription;
+
+/**
+ * Matching endpoint descriptions against the sevice listeners using OSGi filiters
+ */
+public class EndpointMatcher {
+ private static final Logger logger = Logger.getLogger(EndpointMatcher.class.getName());
+ private final EndpointMap endpointDescriptions = new EndpointMap();
+ private final ListenerMap listeners = new ListenerMap();
+ private final BundleContext context;
+ private final BlockingQueue<ImportAction> importQueue = new ArrayBlockingQueue<ImportAction>(256, true);
+
+ public EndpointMatcher(BundleContext context) {
+ super();
+ this.context = context;
+ }
+
+ public static boolean matches(String filter, EndpointDescription endpointDescription) {
+ Filter f = null;
+ try {
+ f = FrameworkUtil.createFilter(filter);
+ } catch (InvalidSyntaxException e) {
+ throw new IllegalArgumentException(e);
+ }
+ Hashtable<String, Object> props = new Hashtable<String, Object>(endpointDescription.getProperties());
+ return f.match(props);
+ }
+
+ private void importEndpoint(ListenerInfo listener, EndpointDescription ep) {
+ ImportAction request = new ImportAction(ImportAction.Type.Add, listener, ep);
+ try {
+ importQueue.put(request);
+ } catch (InterruptedException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ private void unimportEndpoint(ListenerInfo listener, EndpointDescription ep) {
+ ImportAction request = new ImportAction(ImportAction.Type.Remove, listener, ep);
+ try {
+ importQueue.put(request);
+ } catch (InterruptedException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ public synchronized void added(ListenerInfo listener) {
+ String filter = listener.getFilter();
+ listeners.putValue(filter, listener);
+ for (EndpointDescription ep : getEndpoints(filter)) {
+ importEndpoint(listener, ep);
+ }
+ }
+
+ public synchronized Collection<String> added(Collection<ListenerInfo> listeners) {
+ for (ListenerInfo listener : listeners) {
+ if (accepts(listener)) {
+ if (!listener.isRemoved() && listener.getBundleContext().getBundle().getBundleId() != 0L) {
+ added(listener);
+ }
+ }
+ }
+ return getFilters();
+ }
+
+ private boolean accepts(ListenerInfo listener) {
+ BundleContext context = listener.getBundleContext();
+ return context != null && listener.getFilter() != null && context != this.context;
+ }
+
+ public synchronized void removed(ListenerInfo listener) {
+ String filter = listener.getFilter();
+ if (accepts(listener))
+ if (listeners.removeValue(filter, listener, true)) {
+ // Find the corresponding ImportRegistration with the listener
+ for (EndpointDescription ep : getEndpoints(filter)) {
+ unimportEndpoint(listener, ep);
+ }
+ if (getListeners(filter).isEmpty()) {
+ // No more listeners on the this filter, clean up the endpoint descriptionss
+ endpointDescriptions.remove(filter);
+ }
+
+ }
+ }
+
+ public synchronized Collection<String> removed(Collection<ListenerInfo> listeners) {
+ for (ListenerInfo listener : listeners) {
+ removed(listener);
+ }
+ return getFilters();
+ }
+
+ public synchronized void added(EndpointDescription endpointDescription) {
+ for (Map.Entry<String, Collection<ListenerInfo>> entry : listeners.entrySet()) {
+ if (matches(entry.getKey(), endpointDescription)) {
+ endpointDescriptions.putValue(entry.getKey(), endpointDescription);
+ for (ListenerInfo listener : entry.getValue()) {
+ importEndpoint(listener, endpointDescription);
+ }
+ }
+ }
+ }
+
+ public synchronized void added(EndpointDescription endpointDescription, String matchedFilter) {
+ if (endpointDescriptions.putValue(matchedFilter, endpointDescription)) {
+ Collection<ListenerInfo> listenerInfos = listeners.get(matchedFilter);
+ for (ListenerInfo listener : listenerInfos) {
+ importEndpoint(listener, endpointDescription);
+ }
+ }
+ }
+
+ public synchronized void removed(EndpointDescription endpointDescription, String matchedFilter) {
+ if (endpointDescriptions.removeValue(matchedFilter, endpointDescription, true)) {
+ for (ListenerInfo listener : getListeners(matchedFilter)) {
+ unimportEndpoint(listener, endpointDescription);
+ }
+ }
+ }
+
+ public synchronized Set<String> getFilters() {
+ return new HashSet<String>(listeners.keySet());
+ }
+
+ public synchronized void clear() {
+ endpointDescriptions.clear();
+ listeners.clear();
+ importQueue.clear();
+ }
+
+ public synchronized Collection<ListenerInfo> getListeners(String filter) {
+ Collection<ListenerInfo> collection = listeners.get(filter);
+ if (collection == null) {
+ return Collections.emptySet();
+ } else {
+ return collection;
+ }
+ }
+
+ public synchronized Collection<EndpointDescription> getEndpoints(String filter) {
+ Collection<EndpointDescription> collection = endpointDescriptions.get(filter);
+ if (collection == null) {
+ return Collections.emptySet();
+ } else {
+ return collection;
+ }
+ }
+
+ public CollectionMap<Class<?>, ListenerInfo> groupListeners(EndpointDescription endpointDescription,
+ String matchedFilter) {
+ Collection<ListenerInfo> snapshot = new HashSet<ListenerInfo>(getListeners(matchedFilter));
+
+ // Try to partition the listeners by the interface classes
+ List<String> interfaceNames = endpointDescription.getInterfaces();
+ CollectionMap<Class<?>, ListenerInfo> interfaceToListeners = new CollectionMap<Class<?>, ListenerInfo>();
+ for (String i : interfaceNames) {
+ for (Iterator<ListenerInfo> it = snapshot.iterator(); it.hasNext();) {
+ try {
+ ListenerInfo listener = it.next();
+ if (listener.isRemoved()) {
+ it.remove();
+ continue;
+ }
+ if (!matchedFilter.equals(listener.getFilter())) {
+ continue;
+ }
+ try {
+ // The classloading can be synchronzed against the serviceListeners
+ Class<?> interfaceClass = listener.getBundleContext().getBundle().loadClass(i);
+ interfaceToListeners.putValue(interfaceClass, listener);
+ } catch (IllegalStateException e) {
+ logger.log(Level.WARNING, e.getMessage(), e);
+ // Ignore the exception
+ }
+ } catch (ClassNotFoundException e) {
+ // Ignore the listener as it cannot load the interface class
+ }
+ }
+ }
+ return interfaceToListeners;
+ }
+
+ public BlockingQueue<ImportAction> getImportQueue() {
+ return importQueue;
+ }
+
+ private static class ListenerMap extends CollectionMap<String, ListenerInfo> {
+ private static final long serialVersionUID = -8612202123531331219L;
+
+ @Override
+ protected Collection<ListenerInfo> createCollection() {
+ return new HashSet<ListenerInfo>();
+ }
+ }
+
+ private static class EndpointMap extends CollectionMap<String, EndpointDescription> {
+ private static final long serialVersionUID = -6261405398109798549L;
+
+ @Override
+ protected Collection<EndpointDescription> createCollection() {
+ return new HashSet<EndpointDescription>();
+ }
+ }
+
+ /**
+ * Representation of an import/unimport request
+ */
+ public static class ImportAction {
+ enum Type {
+ Add, Remove
+ };
+
+ public final Type type;
+ public final ListenerInfo listenerInfo;
+ public final EndpointDescription endpointDescription;
+
+ /**
+ * @param type
+ * @param listenerInfo
+ * @param endpointDescription
+ */
+ public ImportAction(Type type, ListenerInfo listenerInfo, EndpointDescription endpointDescription) {
+ super();
+ this.type = type;
+ this.listenerInfo = listenerInfo;
+ this.endpointDescription = endpointDescription;
+ }
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiHelper.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiHelper.java
index b0c55fea71..460d291f53 100644
--- a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiHelper.java
+++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiHelper.java
@@ -145,20 +145,21 @@ public class OSGiHelper {
}
return files;
}
-
+
public static Collection<OSGiProperty> getOSGiProperties(ExtensionPointRegistry registry, ServiceReference reference) {
FactoryExtensionPoint factoryExtensionPoint = registry.getExtensionPoint(FactoryExtensionPoint.class);
- OSGiImplementationFactory implementationFactory= factoryExtensionPoint.getFactory(OSGiImplementationFactory.class);
+ OSGiImplementationFactory implementationFactory =
+ factoryExtensionPoint.getFactory(OSGiImplementationFactory.class);
return implementationFactory.createOSGiProperties(reference);
}
-
+
public static OSGiProperty createOSGiProperty(ExtensionPointRegistry registry, String name, Object value) {
FactoryExtensionPoint factoryExtensionPoint = registry.getExtensionPoint(FactoryExtensionPoint.class);
- OSGiImplementationFactory implementationFactory= factoryExtensionPoint.getFactory(OSGiImplementationFactory.class);
+ OSGiImplementationFactory implementationFactory =
+ factoryExtensionPoint.getFactory(OSGiImplementationFactory.class);
return implementationFactory.createOSGiProperty(name, value);
}
-
public synchronized static String getFrameworkUUID(BundleContext bundleContext) {
String uuid = null;
if (bundleContext != null) {
@@ -171,14 +172,15 @@ public class OSGiHelper {
}
System.setProperty(FRAMEWORK_UUID, uuid);
return uuid;
- }
-
+ }
+
public static ClassLoader createBundleClassLoader(Bundle bundle) {
return new BundleClassLoader(bundle);
}
-
+
private static class BundleClassLoader extends ClassLoader {
private Bundle bundle;
+
public BundleClassLoader(Bundle bundle) {
super(null);
this.bundle = bundle;
@@ -204,6 +206,29 @@ public class OSGiHelper {
return urls;
}
}
- }
+ }
+
+ /**
+ * Find out what elements are added between the oldValues and newValues
+ * @param oldValues
+ * @param newValues
+ * @return
+ */
+ public static Collection<String> getAddedItems(Collection<String> oldValues, Collection<String> newValues) {
+ if (newValues == null) {
+ newValues = Collections.emptySet();
+ }
+
+ Collection<String> deltaInterest = new HashSet<String>(newValues);
+ if (oldValues == null) {
+ oldValues = Collections.emptySet();
+ }
+ deltaInterest.removeAll(oldValues);
+ return deltaInterest;
+ }
+
+ public static Collection<String> getRemovedItems(Collection<String> oldValues, Collection<String> newValues) {
+ return getAddedItems(newValues, oldValues);
+ }
}
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/RemoteServiceAdminImpl.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/RemoteServiceAdminImpl.java
index b1ebeb9df0..b6b80c8524 100644
--- a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/RemoteServiceAdminImpl.java
+++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/RemoteServiceAdminImpl.java
@@ -259,6 +259,10 @@ public class RemoteServiceAdminImpl implements RemoteServiceAdmin, ManagedServic
props.put("objectClass", ep.getInterfaces());
props.put("service.imported.configs", ep.getConfigurationTypes());
props.put("timestamp", new Long(System.currentTimeMillis()));
+ Object bindings = ep.getProperties().get("org.osgi.sca.bindings");
+ if (bindings != null) {
+ props.put("org.osgi.sca.bindings", bindings);
+ }
props.put("event", rsaEvent);
return new Event(topic, props);
}
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/TopologyManagerImpl.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/TopologyManagerImpl.java
index 97c8b345fa..a3f3636cce 100644
--- a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/TopologyManagerImpl.java
+++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/TopologyManagerImpl.java
@@ -23,21 +23,20 @@ import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.SERVICE_EX
import static org.osgi.service.remoteserviceadmin.RemoteConstants.SERVICE_EXPORTED_CONFIGS;
import static org.osgi.service.remoteserviceadmin.RemoteConstants.SERVICE_IMPORTED;
-import java.util.ArrayList;
import java.util.Collection;
import java.util.Dictionary;
import java.util.HashMap;
-import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
-import java.util.List;
import java.util.Map;
-import java.util.Set;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.tuscany.sca.common.java.collection.CollectionMap;
import org.apache.tuscany.sca.core.LifeCycleListener;
+import org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.EndpointMatcher.ImportAction;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
@@ -67,23 +66,23 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
private BundleContext context;
private ServiceTracker remoteAdmins;
- private ServiceRegistration registration;
+ private volatile ServiceRegistration registration;
private ServiceRegistration endpointListener;
private ServiceTracker remotableServices;
- // Service listeners keyed by the filter
- private CollectionMap<String, ListenerInfo> serviceListeners = new CollectionMap<String, ListenerInfo>();
+ private EndpointMatcher endpointMatcher;
private CollectionMap<ServiceReference, ExportRegistration> exportedServices =
new CollectionMap<ServiceReference, ExportRegistration>();
- private CollectionMap<EndpointDescription, ImportRegistration> importedServices =
- new CollectionMap<EndpointDescription, ImportRegistration>();
+ private CollectionMap<ImportKey, ImportRegistration> importedServices =
+ new CollectionMap<ImportKey, ImportRegistration>();
private Filter remotableServiceFilter;
public TopologyManagerImpl(BundleContext context) {
this.context = context;
+ this.endpointMatcher = new EndpointMatcher(context);
}
public void start() {
@@ -113,37 +112,10 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
remotableServices = new ServiceTracker(context, remotableServiceFilter, this);
remotableServices.open(true);
+ Thread thread = new Thread(new ImportTask());
+ thread.start();
}
- /**
- * @see org.osgi.framework.hooks.service.EventHook#event(org.osgi.framework.ServiceEvent,
- * java.util.Collection)
- */
- /*
- public void event(ServiceEvent event, Collection contexts) {
- ServiceReference reference = event.getServiceReference();
- if (!remotableServiceFilter.match(reference)) {
- // Only export remotable services that are for SCA
- return;
- }
- switch (event.getType()) {
- case ServiceEvent.REGISTERED:
- exportService(reference);
- break;
- case ServiceEvent.UNREGISTERING:
- unexportService(reference);
- break;
- case ServiceEvent.MODIFIED:
- case ServiceEvent.MODIFIED_ENDMATCH:
- // First check if the property changes will impact
- // Call remote admin to update the service
- unexportService(reference);
- exportService(reference);
- break;
- }
- }
- */
-
public Object addingService(ServiceReference reference) {
exportService(reference);
return reference.getBundle().getBundleContext().getService(reference);
@@ -191,39 +163,13 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
* @see org.osgi.framework.hooks.service.ListenerHook#added(java.util.Collection)
*/
public void added(Collection listeners) {
- boolean changed = false;
- String[] filters = null;
try {
- synchronized (serviceListeners) {
- Collection<ListenerInfo> listenerInfos = (Collection<ListenerInfo>)listeners;
- for (ListenerInfo l : listenerInfos) {
- if (l.getBundleContext().getBundle().getBundleId() == 0L || l.getBundleContext() == context) {
- // Ignore system and tuscany bundle
- continue;
- }
- if (!l.isRemoved()) {
- String key = l.getFilter();
- if (key == null) {
- // key = "";
- // FIXME: It should always match, let's ignore it for now
- logger.warning("Service listner without a filter is skipped: " + l);
- continue;
- }
- Collection<ListenerInfo> infos = serviceListeners.get(key);
- if (infos == null) {
- infos = new HashSet<ListenerInfo>();
- serviceListeners.put(key, infos);
- }
- infos.add(l);
- changed = true;
- }
+ synchronized (endpointMatcher) {
+ Collection<String> oldFilters = endpointMatcher.getFilters();
+ Collection<String> newFilters = endpointMatcher.added(listeners);
+ if (!OSGiHelper.getAddedItems(oldFilters, newFilters).isEmpty()) {
+ updateEndpointListenerScope(newFilters);
}
- if (changed) {
- filters = getFilters();
- }
- }
- if (changed) {
- updateEndpointListenerScope(filters);
}
} catch (Throwable e) {
logger.log(Level.SEVERE, e.getMessage(), e);
@@ -238,85 +184,24 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
}
}
- private void updateEndpointListenerScope(String[] filters) {
+ private void updateEndpointListenerScope(Collection<String> filters) {
Dictionary<String, Object> props = new Hashtable<String, Object>();
props.put(ENDPOINT_LISTENER_SCOPE, filters);
endpointListener.setProperties(props);
}
- private String[] getFilters() {
- Set<String> filterSet = serviceListeners.keySet();
- String[] filters = filterSet.toArray(new String[filterSet.size()]);
- return filters;
- }
-
- private CollectionMap<Class<?>, ListenerInfo> findServiceListeners(EndpointDescription endpointDescription,
- String matchedFilter) {
- Collection<ListenerInfo> listeners = null;
- synchronized (serviceListeners) {
-
- // First find all the listeners that have the matching filter
- listeners = serviceListeners.get(matchedFilter);
- if (listeners == null) {
- return null;
- }
- listeners = new ArrayList<ListenerInfo>(listeners);
- }
-
- // Try to partition the listeners by the interface classes
- List<String> interfaceNames = endpointDescription.getInterfaces();
- CollectionMap<Class<?>, ListenerInfo> interfaceToListeners = new CollectionMap<Class<?>, ListenerInfo>();
- for (String i : interfaceNames) {
- for (Iterator<ListenerInfo> it = listeners.iterator(); it.hasNext();) {
- try {
- ListenerInfo listener = it.next();
- if (listener.isRemoved()) {
- it.remove();
- continue;
- }
- try {
- // The classloading can be synchronzed against the serviceListeners
- Class<?> interfaceClass = listener.getBundleContext().getBundle().loadClass(i);
- interfaceToListeners.putValue(interfaceClass, listener);
- } catch (IllegalStateException e) {
- logger.log(Level.WARNING, e.getMessage(), e);
- // Ignore the exception
- }
- } catch (ClassNotFoundException e) {
- // Ignore the listener as it cannot load the interface class
- }
- }
- }
- return interfaceToListeners;
- }
-
/**
* @see org.osgi.framework.hooks.service.ListenerHook#removed(java.util.Collection)
*/
public void removed(Collection listeners) {
- boolean changed = false;
- String[] filters = null;
try {
- synchronized (serviceListeners) {
- Collection<ListenerInfo> listenerInfos = (Collection<ListenerInfo>)listeners;
- for (ListenerInfo l : listenerInfos) {
- if (registration != null && l.getBundleContext() != context) {
- String key = l.getFilter();
- if (key == null) {
- continue;
- }
- if (serviceListeners.removeValue(key, l)) {
- changed = true;
- }
- }
- }
- if (changed) {
- filters = getFilters();
+ synchronized (endpointMatcher) {
+ Collection<String> oldFilters = endpointMatcher.getFilters();
+ Collection<String> newFilters = endpointMatcher.removed(listeners);
+ if (!OSGiHelper.getRemovedItems(oldFilters, newFilters).isEmpty()) {
+ updateEndpointListenerScope(newFilters);
}
}
- if (changed) {
- updateEndpointListenerScope(filters);
- }
} catch (Throwable e) {
logger.log(Level.SEVERE, e.getMessage(), e);
if (e instanceof Error) {
@@ -353,24 +238,27 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
* java.lang.String)
*/
public void endpointAdded(EndpointDescription endpoint, String matchedFilter) {
- importService(endpoint, matchedFilter);
+ endpointMatcher.added(endpoint, matchedFilter);
+ // importService(endpoint, matchedFilter);
}
/**
* @see org.osgi.remoteserviceadmin.EndpointListener#removeEndpoint(org.osgi.service.remoteserviceadmin.EndpointDescription)
*/
public void endpointRemoved(EndpointDescription endpoint, String matchedFilter) {
- unimportService(endpoint);
+ endpointMatcher.removed(endpoint, matchedFilter);
+ // unimportService(endpoint);
}
private void importService(EndpointDescription endpoint, String matchedFilter) {
Object[] admins = remoteAdmins.getServices();
if (admins == null) {
- logger.warning("No RemoteAdmin services are available.");
+ logger.warning("No Remote Service Admin services are available.");
return;
}
- CollectionMap<Class<?>, ListenerInfo> interfaceToListeners = findServiceListeners(endpoint, matchedFilter);
+ CollectionMap<Class<?>, ListenerInfo> interfaceToListeners =
+ endpointMatcher.groupListeners(endpoint, matchedFilter);
for (Map.Entry<Class<?>, Collection<ListenerInfo>> e : interfaceToListeners.entrySet()) {
Class<?> interfaceClass = e.getKey();
Collection<ListenerInfo> listeners = e.getValue();
@@ -401,16 +289,17 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
RemoteServiceAdmin remoteAdmin = (RemoteServiceAdmin)ra;
ImportRegistration importRegistration = remoteAdmin.importService(description);
if (importRegistration != null) {
- importedServices.putValue(endpoint, importRegistration);
+ importedServices.putValue(new ImportKey(description, listener), importRegistration);
}
}
}
}
}
- private void unimportService(EndpointDescription endpoint) {
+ private void unimportService(EndpointDescription endpoint, ListenerInfo listenerInfo) {
// Call remote admin to unimport the service
- Collection<ImportRegistration> importRegistrations = importedServices.get(endpoint);
+ Collection<ImportRegistration> importRegistrations =
+ importedServices.get(new ImportKey(endpoint, listenerInfo));
if (importRegistrations != null) {
for (Iterator<ImportRegistration> i = importRegistrations.iterator(); i.hasNext();) {
ImportRegistration imported = i.next();
@@ -435,8 +324,76 @@ public class TopologyManagerImpl implements ListenerHook, RemoteServiceAdminList
remoteAdmins.close();
remoteAdmins = null;
}
- synchronized (serviceListeners) {
- serviceListeners.clear();
+ if (endpointMatcher != null) {
+ endpointMatcher.clear();
+ }
+ }
+
+ private class ImportTask implements Runnable {
+ public void run() {
+ while (registration != null) {
+ BlockingQueue<EndpointMatcher.ImportAction> queue = endpointMatcher.getImportQueue();
+ ImportAction action = null;
+ try {
+ action = queue.poll(1, TimeUnit.SECONDS);
+ } catch (InterruptedException e) {
+ // Ignore
+ }
+ if (action != null) {
+ if (action.type == ImportAction.Type.Add) {
+ importService(action.endpointDescription, action.listenerInfo.getFilter());
+ } else if (action.type == ImportAction.Type.Remove) {
+ unimportService(action.endpointDescription, action.listenerInfo);
+ }
+ }
+ }
+ }
+ }
+
+ private static class ImportKey {
+ private EndpointDescription endpointDescription;
+
+ /**
+ * @param endpointDescription
+ * @param listenerInfo
+ */
+ private ImportKey(EndpointDescription endpointDescription, ListenerInfo listenerInfo) {
+ super();
+ this.endpointDescription = endpointDescription;
+ this.listenerInfo = listenerInfo;
+ }
+
+ private ListenerInfo listenerInfo;
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((endpointDescription == null) ? 0 : endpointDescription.hashCode());
+ result = prime * result + ((listenerInfo == null) ? 0 : listenerInfo.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ ImportKey other = (ImportKey)obj;
+ if (endpointDescription == null) {
+ if (other.endpointDescription != null)
+ return false;
+ } else if (!endpointDescription.equals(other.endpointDescription))
+ return false;
+ if (listenerInfo == null) {
+ if (other.listenerInfo != null)
+ return false;
+ } else if (!listenerInfo.equals(other.listenerInfo))
+ return false;
+ return true;
}
}
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/AbstractDiscoveryService.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/AbstractDiscoveryService.java
index dbdbbaead8..e9260cef53 100644
--- a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/AbstractDiscoveryService.java
+++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/AbstractDiscoveryService.java
@@ -151,7 +151,6 @@ public abstract class AbstractDiscoveryService implements Discovery, LifeCycleLi
EndpointListener listener = (EndpointListener)service;
Collection<String> oldFilters = null;
Collection<String> newFilters = null;
- Collection<EndpointDescription> endpoints = null;
synchronized (this) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("updating listener: " + listener);
@@ -178,6 +177,16 @@ public abstract class AbstractDiscoveryService implements Discovery, LifeCycleLi
triggerCallbacks(listener, next, sd, ADDED);
}
}
+ // Find removed filters
+ deltaInterest = getDelta(newInterest, oldInterest);
+
+ i = deltaInterest.iterator();
+ while (i.hasNext()) {
+ String next = i.next();
+ for (EndpointDescription sd : endpointDescriptions.keySet()) {
+ triggerCallbacks(listener, next, sd, REMOVED);
+ }
+ }
}
private Collection<String> getDelta(Collection<String> oldInterest, Collection<String> newInterest) {