Network topology and inventory init

[transportpce.git] / inventory / src / main / java / org / opendaylight / transportpce / inventory / ListenerProvider.java

diff --git a/inventory/src/main/java/org/opendaylight/transportpce/inventory/ListenerProvider.java b/inventory/src/main/java/org/opendaylight/transportpce/inventory/ListenerProvider.java
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+++ b/inventory/src/main/java/org/opendaylight/transportpce/inventory/ListenerProvider.java
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+/*
+ * Copyright © 2017 AT&T 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 org.opendaylight.transportpce.inventory;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.transportpce.common.InstanceIdentifiers;
+import org.opendaylight.transportpce.inventory.listener.ClliNetworkChangeListener;
+import org.opendaylight.transportpce.inventory.listener.DeviceListener;
+import org.opendaylight.transportpce.inventory.listener.OverlayNetworkChangeListener;
+import org.opendaylight.transportpce.inventory.listener.ServiceListener;
+import org.opendaylight.transportpce.inventory.listener.UnderlayNetworkChangeListener;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * {@link ListenerProvider} registers {@link DataTreeChangeListener} for each
+ * network layer.
+ *
+ */
+public class ListenerProvider {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ListenerProvider.class);
+
+    private final DataBroker dataBroker;
+    private final OverlayNetworkChangeListener overlayNetworkListener;
+    private final UnderlayNetworkChangeListener underlayNetworkListener;
+    private final ClliNetworkChangeListener clliNetworkChangeListener;
+    private final ServiceListener serviceListener;
+    private final DeviceListener deviceListener;
+
+    /**
+     * Constructor invoked by blueprint injects all dependencies.
+     *
+     * @param dataBroker the databroker
+     * @param overlayNetworkListener the overlay network listener
+     * @param underlayNetworkListener the underlay network listener
+     * @param clliNetworkChangeListener the CLLI network changes listener
+     * @param serviceListener the service listener
+     * @param deviceListener the device listener
+     */
+    public ListenerProvider(DataBroker dataBroker, OverlayNetworkChangeListener overlayNetworkListener,
+            UnderlayNetworkChangeListener underlayNetworkListener, ClliNetworkChangeListener clliNetworkChangeListener,
+            ServiceListener serviceListener, DeviceListener deviceListener) {
+        this.dataBroker = dataBroker;
+        this.overlayNetworkListener = overlayNetworkListener;
+        this.underlayNetworkListener = underlayNetworkListener;
+        this.clliNetworkChangeListener = clliNetworkChangeListener;
+        this.serviceListener = serviceListener;
+        this.deviceListener = deviceListener;
+    }
+
+    /**
+     * Invoked by blueprint, registers the listeners.
+     */
+    public void initialize() {
+        LOG.debug("Registering listeners...");
+        dataBroker.registerDataTreeChangeListener(
+                new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II),
+                overlayNetworkListener);
+        LOG.info("Overlay network change listener was successfully registered");
+        dataBroker.registerDataTreeChangeListener(
+                new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.UNDERLAY_NETWORK_II),
+                underlayNetworkListener);
+        LOG.info("Underlay network change listener was successfully registered");
+        dataBroker.registerDataTreeChangeListener(
+                new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.CLLI_NETWORK_II),
+                clliNetworkChangeListener);
+        LOG.info("CLLI network change listener was successfully registered");
+        dataBroker.registerDataTreeChangeListener(
+                new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, ServiceListener.SERVICES_II),
+                serviceListener);
+        LOG.info("Service path listener was successfully registered");
+        dataBroker.registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
+                InstanceIdentifiers.NETCONF_TOPOLOGY_II.child(Node.class)), deviceListener);
+        LOG.info("Device change listener was successfully registered");
+    }
+
+}