Modify ModuleInfoBundleTracker to track RESOLVED bundles
[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / osgi / BundleContextBackedModuleFactoriesResolver.java
index 1e94e5e9c021b1660e02a6d8303333832716ad44..e9af46819f9147323acaff3bd9ddd14cda8a756e 100644 (file)
@@ -7,75 +7,57 @@
  */
 package org.opendaylight.controller.config.manager.impl.osgi;
 
+import java.util.AbstractMap;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
 import org.opendaylight.controller.config.manager.impl.factoriesresolver.ModuleFactoriesResolver;
 import org.opendaylight.controller.config.spi.ModuleFactory;
 import org.osgi.framework.BundleContext;
-import org.osgi.framework.InvalidSyntaxException;
-import org.osgi.framework.ServiceReference;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.AbstractMap;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * Retrieves list of currently registered Module Factories using bundlecontext.
  */
 public class BundleContextBackedModuleFactoriesResolver implements
         ModuleFactoriesResolver {
-    private static final Logger logger = LoggerFactory
+    private static final Logger LOG = LoggerFactory
             .getLogger(BundleContextBackedModuleFactoriesResolver.class);
-    private final BundleContext bundleContext;
+    private ModuleFactoryBundleTracker moduleFactoryBundleTracker;
 
-    public BundleContextBackedModuleFactoriesResolver(
-            BundleContext bundleContext) {
-        this.bundleContext = bundleContext;
+    public BundleContextBackedModuleFactoriesResolver() {
+    }
+
+    public void setModuleFactoryBundleTracker(ModuleFactoryBundleTracker moduleFactoryBundleTracker) {
+        this.moduleFactoryBundleTracker = moduleFactoryBundleTracker;
     }
 
     @Override
     public Map<String, Map.Entry<ModuleFactory, BundleContext>> getAllFactories() {
-        Collection<ServiceReference<ModuleFactory>> serviceReferences;
-        try {
-            serviceReferences = bundleContext.getServiceReferences(
-                    ModuleFactory.class, null);
-        } catch (InvalidSyntaxException e) {
-            throw new IllegalStateException(e);
-        }
-        Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>(serviceReferences.size());
-        for (ServiceReference<ModuleFactory> serviceReference : serviceReferences) {
-            ModuleFactory factory = bundleContext.getService(serviceReference);
-            // null if the service is not registered, the service object
-            // returned by a ServiceFactory does not
-            // implement the classes under which it was registered or the
-            // ServiceFactory threw an exception.
-            if(factory == null) {
-                throw new NullPointerException("ServiceReference of class" + serviceReference.getClass() + "not found.");
-            }
-
-            String moduleName = factory.getImplementationName();
+        Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>();
+        for(Entry<ModuleFactory, BundleContext> entry: moduleFactoryBundleTracker.getModuleFactoryEntries()) {
+            ModuleFactory factory = entry.getKey();
+            BundleContext bundleContext = entry.getValue();
+            String moduleName = factory .getImplementationName();
             if (moduleName == null || moduleName.isEmpty()) {
-                throw new IllegalStateException(
-                        "Invalid implementation name for " + factory);
+                throw new IllegalStateException("Invalid implementation name for " + factory);
             }
-            if (serviceReference.getBundle() == null || serviceReference.getBundle().getBundleContext() == null) {
-                throw new NullPointerException("Bundle context of " + factory + " ModuleFactory not found.");
-            }
-            logger.debug("Reading factory {} {}", moduleName, factory);
+
+            LOG.debug("Processing factory {} {}", moduleName, factory);
 
             Map.Entry<ModuleFactory, BundleContext> conflicting = result.get(moduleName);
             if (conflicting != null) {
                 String error = String
                         .format("Module name is not unique. Found two conflicting factories with same name '%s': '%s' '%s'",
                                 moduleName, conflicting.getKey(), factory);
-                logger.error(error);
+                LOG.error(error);
                 throw new IllegalArgumentException(error);
             } else {
-                result.put(moduleName, new AbstractMap.SimpleImmutableEntry<>(factory,
-                        serviceReference.getBundle().getBundleContext()));
+                result.put(moduleName, new AbstractMap.SimpleImmutableEntry<>(factory, bundleContext));
             }
         }
+
         return result;
     }
 }