[ONOS-3116] Port Chain service
Change-Id: I6f846c5f8c14b74275f003cde88d8112d86d8c29
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/portchain/PortChainService.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/portchain/PortChainService.java
new file mode 100644
index 0000000..b4ff917
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/portchain/PortChainService.java
@@ -0,0 +1,80 @@
+/*
+ * 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.vtnrsc.portchain;
+
+import org.onosproject.vtnrsc.PortChain;
+import org.onosproject.vtnrsc.PortChainId;
+
+/**
+ * Service for interacting with the inventory of port chains.
+ */
+public interface PortChainService {
+
+ /**
+ * Returns if the port chain is existed.
+ *
+ * @param portChainId port chain identifier
+ * @return true or false if one with the given identifier exists.
+ */
+ boolean exists(PortChainId portChainId);
+
+ /**
+ * Returns the number of port chains known to the system.
+ *
+ * @return number of port chains.
+ */
+ int getPortChainCount();
+
+ /**
+ * Returns an iterable collection of the currently known port chains.
+ *
+ * @return collection of port chains.
+ */
+ Iterable<PortChain> getPortChains();
+
+ /**
+ * Returns the portChain with the given identifier.
+ *
+ * @param portChainId port chain identifier
+ * @return PortChain or null if port chain with the given identifier is not
+ * known.
+ */
+ PortChain getPortChain(PortChainId portChainId);
+
+ /**
+ * Creates a PortChain in the store.
+ *
+ * @param portChain the port chain to create
+ * @return true if given port chain is created successfully.
+ */
+ boolean createPortChain(PortChain portChain);
+
+ /**
+ * Updates the portChain in the store.
+ *
+ * @param portChain the port chain to update
+ * @return true if given port chain is updated successfully.
+ */
+ boolean updatePortChain(PortChain portChain);
+
+ /**
+ * Deletes portChain by given portChainId.
+ *
+ * @param portChainId id of port chain to remove
+ * @return true if the give port chain is deleted successfully.
+ */
+ boolean removePortChain(PortChainId portChainId);
+}
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/portchain/package-info.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/portchain/package-info.java
new file mode 100644
index 0000000..74642bc
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/portchain/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * Service for interacting with the inventory of port chains.
+ */
+package org.onosproject.vtnrsc.portchain;