Starting work on virtual network subsystem implementation.

Change-Id: Ic702ce425d68fa5c1af5c6d55cad5940665ac562
diff --git a/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/DistributedVirtualNetworkStore.java b/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/DistributedVirtualNetworkStore.java
new file mode 100644
index 0000000..69e56c0
--- /dev/null
+++ b/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/DistributedVirtualNetworkStore.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.incubator.store.virtual.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.incubator.net.virtual.DefaultVirtualDevice;
+import org.onosproject.incubator.net.virtual.DefaultVirtualNetwork;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.TenantId;
+import org.onosproject.incubator.net.virtual.VirtualDevice;
+import org.onosproject.incubator.net.virtual.VirtualLink;
+import org.onosproject.incubator.net.virtual.VirtualNetwork;
+import org.onosproject.incubator.net.virtual.VirtualNetworkEvent;
+import org.onosproject.incubator.net.virtual.VirtualNetworkStore;
+import org.onosproject.incubator.net.virtual.VirtualNetworkStoreDelegate;
+import org.onosproject.incubator.net.virtual.VirtualPort;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.store.AbstractStore;
+import org.slf4j.Logger;
+
+import java.util.Set;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Implementation of the network store.
+ */
+@Component(immediate = true)
+@Service
+public class DistributedVirtualNetworkStore
+        extends AbstractStore<VirtualNetworkEvent, VirtualNetworkStoreDelegate>
+        implements VirtualNetworkStore {
+
+    private final Logger log = getLogger(getClass());
+
+    // TODO: track tenants by ID
+    // TODO: track networks by ID and by tenants
+    // TODO: track devices by network ID and device ID
+    // TODO: track devices by network ID
+    // TODO: setup block allocator for network IDs
+
+    // TODO: notify delegate
+
+    @Activate
+    public void activate() {
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Override
+    public void addTenantId(TenantId tenantId) {
+    }
+
+    @Override
+    public void removeTenantId(TenantId tenantId) {
+    }
+
+    @Override
+    public Set<TenantId> getTenantIds() {
+        return null;
+    }
+
+    @Override
+    public VirtualNetwork addNetwork(TenantId tenantId) {
+        return new DefaultVirtualNetwork(genNetworkId(), tenantId);
+    }
+
+    private NetworkId genNetworkId() {
+        return NetworkId.networkId(0); // TODO: use a block allocator
+    }
+
+
+    @Override
+    public void removeNetwork(NetworkId networkId) {
+    }
+
+    @Override
+    public VirtualDevice addDevice(NetworkId networkId, DeviceId deviceId) {
+        return new DefaultVirtualDevice(networkId, deviceId);
+    }
+
+    @Override
+    public void removeDevice(NetworkId networkId, DeviceId deviceId) {
+    }
+
+    @Override
+    public VirtualLink addLink(NetworkId networkId, ConnectPoint src, ConnectPoint dst, TunnelId realizedBy) {
+        return null;
+    }
+
+    @Override
+    public void removeLink(NetworkId networkId, ConnectPoint src, ConnectPoint dst) {
+    }
+
+    @Override
+    public VirtualPort addPort(NetworkId networkId, DeviceId deviceId, PortNumber portNumber, Port realizedBy) {
+        return null;
+    }
+
+    @Override
+    public void removePort(NetworkId networkId, DeviceId deviceId, PortNumber portNumber) {
+    }
+
+    @Override
+    public Set<VirtualNetwork> getNetworks(TenantId tenantId) {
+        return null;
+    }
+
+    @Override
+    public Set<VirtualDevice> getDevices(NetworkId networkId) {
+        return null;
+    }
+
+    @Override
+    public Set<VirtualLink> getLinks(NetworkId networkId) {
+        return null;
+    }
+
+    @Override
+    public Set<VirtualPort> getPorts(NetworkId networkId, DeviceId deviceId) {
+        return null;
+    }
+}