1 files changed, 65 insertions, 0 deletions
diff --git a/vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VirtualBridgeDomainManager.java b/vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VirtualBridgeDomainManager.java
new file mode 100644
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--- /dev/null
+++ b/vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VirtualBridgeDomainManager.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package io.fd.honeycomb.vbd.impl;
+
+import com.google.common.base.Preconditions;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.TopologyTypes1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.topology.types.VbridgeTopology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Tip for the Virtual Bridge Domain implementation. This class is instantiated when the application is started
+ * and {@link #close()}d when it is shut down.
+ */
+public final class VirtualBridgeDomainManager implements AutoCloseable {
+    private static final Logger LOG = LoggerFactory.getLogger(VirtualBridgeDomainManager.class);
+    private static final DataTreeIdentifier<VbridgeTopology> LISTEN_TREE =
+            new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
+                    InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class).child(TopologyTypes.class)
+                    .augmentation(TopologyTypes1.class).child(VbridgeTopology.class).build());
+
+    private final ListenerRegistration<TopologyMonitor> reg;
+    private boolean closed;
+
+    private VirtualBridgeDomainManager(final ListenerRegistration<TopologyMonitor> reg) {
+        this.reg = Preconditions.checkNotNull(reg);
+    }
+
+    public static VirtualBridgeDomainManager create(@Nonnull final DataBroker dataBroker) {
+        final ListenerRegistration<TopologyMonitor> reg =
+                dataBroker.registerDataTreeChangeListener(LISTEN_TREE, new TopologyMonitor(dataBroker));
+
+        return new VirtualBridgeDomainManager(reg);
+    }
+
+    @Override
+    public void close() {
+        if (!closed) {
+            LOG.debug("Virtual Bridge Domain manager shut down started");
+
+            final TopologyMonitor monitor = reg.getInstance();
+            reg.close();
+            LOG.debug("Topology monitor {} unregistered", monitor);
+            monitor.close();
+
+            closed = true;
+            LOG.debug("Virtual Bridge Domain manager shut down completed");
+        }
+    }
+}