[ONOS-4612]Update SFC flows inline with the Official OVS NSH patch

Change-Id: If58517841096a939860d88aa78eca7cae46b9935
diff --git a/apps/vtn/sfcmgr/src/test/java/org/onosproject/sfc/util/TenantNetworkAdapter.java b/apps/vtn/sfcmgr/src/test/java/org/onosproject/sfc/util/TenantNetworkAdapter.java
new file mode 100644
index 0000000..f4fa9e8
--- /dev/null
+++ b/apps/vtn/sfcmgr/src/test/java/org/onosproject/sfc/util/TenantNetworkAdapter.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016-present 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.sfc.util;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+import org.onosproject.vtnrsc.TenantNetwork;
+import org.onosproject.vtnrsc.TenantNetworkId;
+import org.onosproject.vtnrsc.tenantnetwork.TenantNetworkService;
+
+import com.google.common.collect.ImmutableList;
+
+/**
+ * Provides implementation of the VtnRsc service.
+ */
+public class TenantNetworkAdapter implements TenantNetworkService {
+
+    private final ConcurrentMap<TenantNetworkId, TenantNetwork> tenantNetworkStore = new ConcurrentHashMap<>();
+
+    @Override
+    public boolean exists(TenantNetworkId networkId) {
+        return tenantNetworkStore.containsKey(networkId);
+    }
+
+    @Override
+    public int getNetworkCount() {
+        return tenantNetworkStore.size();
+    }
+
+    @Override
+    public Iterable<TenantNetwork> getNetworks() {
+        return ImmutableList.copyOf(tenantNetworkStore.values());
+    }
+
+    @Override
+    public TenantNetwork getNetwork(TenantNetworkId networkId) {
+        return tenantNetworkStore.get(networkId);
+    }
+
+    @Override
+    public boolean createNetworks(Iterable<TenantNetwork> networks) {
+        for (TenantNetwork network : networks) {
+            tenantNetworkStore.put(network.id(), network);
+            if (!tenantNetworkStore.containsKey(network.id())) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public boolean updateNetworks(Iterable<TenantNetwork> networks) {
+        return false;
+    }
+
+    @Override
+    public boolean removeNetworks(Iterable<TenantNetworkId> networksIds) {
+        return false;
+    }
+
+}