Migrate OSGI compendium reference

[controller.git] / opendaylight / md-sal / sal-inmemory-datastore / src / main / java / org / opendaylight / controller / md / sal / dom / store / impl / InMemoryDOMStoreTreeChangePublisher.java

diff --git a/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/InMemoryDOMStoreTreeChangePublisher.java b/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/InMemoryDOMStoreTreeChangePublisher.java
index 2f3b46366a918b9f92d8791c3cf68d39ae6bb3a1..cac9b0a594b5656a6df6b84b48504fb40a326683 100644 (file)
--- a/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/InMemoryDOMStoreTreeChangePublisher.java
+++ b/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/InMemoryDOMStoreTreeChangePublisher.java
@@ -7,17 +7,15 @@
  */
 package org.opendaylight.controller.md.sal.dom.store.impl;
 
-import com.google.common.base.Optional;
 import java.util.Collection;
-import java.util.Collections;
+import java.util.Optional;
 import java.util.concurrent.ExecutorService;
-import javax.annotation.Nonnull;
+import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
 import org.opendaylight.controller.md.sal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
 import org.opendaylight.controller.sal.core.spi.data.AbstractDOMStoreTreeChangePublisher;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager.Invoker;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
@@ -28,26 +26,32 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 final class InMemoryDOMStoreTreeChangePublisher extends AbstractDOMStoreTreeChangePublisher {
-    private static final Invoker<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> MANAGER_INVOKER =
-            new Invoker<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>() {
-                @Override
-                public void invokeListener(final AbstractDOMDataTreeChangeListenerRegistration<?> listener, final DataTreeCandidate notification) {
-                    // FIXME: this is inefficient, as we could grab the entire queue for the listener and post it
-                    final DOMDataTreeChangeListener inst = listener.getInstance();
-                    if (inst != null) {
-                        inst.onDataTreeChanged(Collections.singletonList(notification));
-                    }
-                }
-            };
     private static final Logger LOG = LoggerFactory.getLogger(InMemoryDOMStoreTreeChangePublisher.class);
-    private final QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> notificationManager;
+
+    private final QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
+            notificationManager;
 
     InMemoryDOMStoreTreeChangePublisher(final ExecutorService listenerExecutor, final int maxQueueSize) {
-        notificationManager = new QueuedNotificationManager<>(listenerExecutor, MANAGER_INVOKER, maxQueueSize, "DataTreeChangeListenerQueueMgr");
+        notificationManager = QueuedNotificationManager.create(listenerExecutor, (listener, notifications) -> {
+            // FIXME: we are not checking for listener being closed
+            listener.getInstance().onDataTreeChanged(notifications);
+        }, maxQueueSize,
+                "DataTreeChangeListenerQueueMgr");
+    }
+
+    private InMemoryDOMStoreTreeChangePublisher(final QueuedNotificationManager<
+            AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> notificationManager) {
+        this.notificationManager = notificationManager;
+    }
+
+    QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
+            getNotificationManager() {
+        return notificationManager;
     }
 
     @Override
-    protected void notifyListeners(final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations, final YangInstanceIdentifier path, final DataTreeCandidateNode node) {
+    protected void notifyListeners(final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations,
+            final YangInstanceIdentifier path, final DataTreeCandidateNode node) {
         final DataTreeCandidate candidate = DataTreeCandidates.newDataTreeCandidate(path, node);
 
         for (AbstractDOMDataTreeChangeListenerRegistration<?> reg : registrations) {
@@ -57,25 +61,32 @@ final class InMemoryDOMStoreTreeChangePublisher extends AbstractDOMStoreTreeChan
     }
 
     @Override
-    protected synchronized void registrationRemoved(final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
+    protected synchronized void registrationRemoved(
+            final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
         LOG.debug("Closing registration {}", registration);
 
         // FIXME: remove the queue for this registration and make sure we clear it
     }
 
-    <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(final YangInstanceIdentifier treeId, final L listener, final DataTreeSnapshot snapshot) {
+    <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
+            final YangInstanceIdentifier treeId, final L listener, final DataTreeSnapshot snapshot) {
         final AbstractDOMDataTreeChangeListenerRegistration<L> reg = registerTreeChangeListener(treeId, listener);
 
-        final Optional<NormalizedNode<?, ?>> node = snapshot.readNode(treeId);
+        final Optional<NormalizedNode<?, ?>> node = snapshot.readNode(YangInstanceIdentifier.empty());
         if (node.isPresent()) {
-            final DataTreeCandidate candidate = DataTreeCandidates.fromNormalizedNode(treeId, node.get());
-            notificationManager.submitNotification(reg, candidate);
+            final DataTreeCandidate candidate = DataTreeCandidates.fromNormalizedNode(
+                    YangInstanceIdentifier.empty(), node.get());
+
+            InMemoryDOMStoreTreeChangePublisher publisher =
+                    new InMemoryDOMStoreTreeChangePublisher(notificationManager);
+            publisher.registerTreeChangeListener(treeId, listener);
+            publisher.publishChange(candidate);
         }
 
         return reg;
     }
 
-    synchronized void publishChange(@Nonnull final DataTreeCandidate candidate) {
+    synchronized void publishChange(final @NonNull DataTreeCandidate candidate) {
         // Runs synchronized with registrationRemoved()
         processCandidateTree(candidate);
     }