Rework BindingRuntimeTypes

[mdsal.git] / dom / mdsal-dom-inmemory-datastore / src / main / java / org / opendaylight / mdsal / dom / store / inmemory / InMemoryDOMStoreTreeChangePublisher.java

diff --git a/dom/mdsal-dom-inmemory-datastore/src/main/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreTreeChangePublisher.java b/dom/mdsal-dom-inmemory-datastore/src/main/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreTreeChangePublisher.java
index 9b8e25cd30b48f27a413220a724b68d9ac37c058..4b1ace022cb7ca7dc9011bb02bb0a092b6ef6555 100644 (file)
--- a/dom/mdsal-dom-inmemory-datastore/src/main/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreTreeChangePublisher.java
+++ b/dom/mdsal-dom-inmemory-datastore/src/main/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreTreeChangePublisher.java
@@ -9,8 +9,7 @@ package org.opendaylight.mdsal.dom.store.inmemory;
 
 import static com.google.common.base.Preconditions.checkState;
 
-import com.google.common.collect.ImmutableList;
-import java.util.Collection;
+import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.ExecutorService;
 import org.eclipse.jdt.annotation.NonNull;
@@ -18,8 +17,7 @@ import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
 import org.opendaylight.mdsal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
 import org.opendaylight.mdsal.dom.spi.store.AbstractDOMStoreTreeChangePublisher;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager.BatchedInvoker;
+import org.opendaylight.yangtools.util.concurrent.EqualityQueuedNotificationManager;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
@@ -30,35 +28,35 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 final class InMemoryDOMStoreTreeChangePublisher extends AbstractDOMStoreTreeChangePublisher {
-    private static final BatchedInvoker<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
-        MANAGER_INVOKER = (listener, notifications) -> {
-            final DOMDataTreeChangeListener inst = listener.getInstance();
-            if (inst != null) {
-                inst.onDataTreeChanged(ImmutableList.copyOf(notifications));
-            }
-        };
     private static final Logger LOG = LoggerFactory.getLogger(InMemoryDOMStoreTreeChangePublisher.class);
 
-    private final QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
+    // Registrations use identity for equality, hence we can skip wrapping them
+    private final EqualityQueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
         notificationManager;
 
-    InMemoryDOMStoreTreeChangePublisher(final ExecutorService listenerExecutor, final int maxQueueSize) {
-        notificationManager = QueuedNotificationManager.create(listenerExecutor, MANAGER_INVOKER, maxQueueSize,
-                "DataTreeChangeListenerQueueMgr");
+    InMemoryDOMStoreTreeChangePublisher(final String dsName, final ExecutorService listenerExecutor,
+            final int maxQueueSize) {
+        notificationManager = new EqualityQueuedNotificationManager<>("DataTreeChangeListenerQueueMgr + dsName",
+            listenerExecutor, maxQueueSize,
+            (listener, notifications) -> {
+                if (!listener.isClosed()) {
+                    listener.getInstance().onDataTreeChanged(notifications);
+                }
+            });
     }
 
-    private InMemoryDOMStoreTreeChangePublisher(final QueuedNotificationManager<
+    private InMemoryDOMStoreTreeChangePublisher(final EqualityQueuedNotificationManager<
             AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> notificationManager) {
         this.notificationManager = notificationManager;
     }
 
-    QueuedNotificationManager<?, ?> getNotificationManager() {
+    EqualityQueuedNotificationManager<?, ?> getNotificationManager() {
         return notificationManager;
     }
 
     @Override
     protected void notifyListener(final AbstractDOMDataTreeChangeListenerRegistration<?> registration,
-            final Collection<DataTreeCandidate> changes) {
+            final List<DataTreeCandidate> changes) {
         LOG.debug("Enqueueing candidates {} for registration {}", changes, registration);
         notificationManager.submitNotifications(registration, changes);
     }
@@ -74,26 +72,26 @@ final class InMemoryDOMStoreTreeChangePublisher extends AbstractDOMStoreTreeChan
     <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<?, ?>> preExistingData = snapshot.readNode(YangInstanceIdentifier.EMPTY);
+        final Optional<NormalizedNode> preExistingData = snapshot.readNode(YangInstanceIdentifier.empty());
         if (!preExistingData.isPresent()) {
             listener.onInitialData();
             return reg;
         }
 
-        final NormalizedNode<?, ?> data = preExistingData.get();
+        final NormalizedNode data = preExistingData.get();
         if (treeId.isEmpty()) {
             checkState(data instanceof DataContainerNode, "Unexpected root node %s", data);
-            if (((DataContainerNode) data).getValue().isEmpty()) {
+            if (((DataContainerNode) data).isEmpty()) {
                 // If we are listening on root of data tree we still get empty normalized node, root is always present,
                 // we should filter this out separately and notify it by 'onInitialData()' once.
                 // Otherwise, it is just a valid data node with empty value which also should be notified by
-                // "onDataTreeChanged(Collection<DataTreeCandidate>)".
+                // "onDataTreeChanged(List<DataTreeCandidate>)".
                 listener.onInitialData();
                 return reg;
             }
         }
 
-        final DataTreeCandidate candidate = DataTreeCandidates.fromNormalizedNode(YangInstanceIdentifier.EMPTY, data);
+        final DataTreeCandidate candidate = DataTreeCandidates.fromNormalizedNode(YangInstanceIdentifier.empty(), data);
         final InMemoryDOMStoreTreeChangePublisher publisher = new InMemoryDOMStoreTreeChangePublisher(
             notificationManager);
         publisher.registerTreeChangeListener(treeId, listener);