Remove DataChangeListener and friends

[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 feb1b66dd3738478af4e663e32123d8b41b8142e..77f1b0e967e8ef8fdb5556d8fa5e05035e06384a 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
@@ -9,42 +9,54 @@ package org.opendaylight.controller.md.sal.dom.store.impl;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Optional;
 import java.util.concurrent.ExecutorService;
 import javax.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;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.DefaultDataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
 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));
-                    }
-                }
-            };
+        (listener, notification) -> {
+            // FIXME: this is inefficient, as we could grab the entire queue for the listener and post it
+            listener.getInstance().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 = new QueuedNotificationManager<>(listenerExecutor, MANAGER_INVOKER, maxQueueSize,
+                "DataTreeChangeListenerQueueMgr");
+    }
+
+    private InMemoryDOMStoreTreeChangePublisher(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) {
-        final DataTreeCandidate candidate = new DefaultDataTreeCandidate(path, 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) {
             LOG.debug("Enqueueing candidate {} to registration {}", candidate, registrations);
@@ -53,12 +65,31 @@ 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) {
+        final AbstractDOMDataTreeChangeListenerRegistration<L> reg = registerTreeChangeListener(treeId, listener);
+
+        final Optional<NormalizedNode<?, ?>> node = snapshot.readNode(YangInstanceIdentifier.EMPTY);
+        if (node.isPresent()) {
+            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) {
         // Runs synchronized with registrationRemoved()
         processCandidateTree(candidate);