2 * Copyright 2015 Open Networking Laboratory
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onosproject.vtnrsc.portchain;
18 import org.onosproject.vtnrsc.PortChain;
19 import org.onosproject.vtnrsc.PortChainId;
22 * Service for interacting with the inventory of port chains.
24 public interface PortChainService {
27 * Returns if the port chain is existed.
29 * @param portChainId port chain identifier
30 * @return true or false if one with the given identifier exists.
32 boolean exists(PortChainId portChainId);
35 * Returns the number of port chains known to the system.
37 * @return number of port chains.
39 int getPortChainCount();
42 * Returns an iterable collection of the currently known port chains.
44 * @return collection of port chains.
46 Iterable<PortChain> getPortChains();
49 * Returns the portChain with the given identifier.
51 * @param portChainId port chain identifier
52 * @return PortChain or null if port chain with the given identifier is not
55 PortChain getPortChain(PortChainId portChainId);
58 * Creates a PortChain in the store.
60 * @param portChain the port chain to create
61 * @return true if given port chain is created successfully.
63 boolean createPortChain(PortChain portChain);
66 * Updates the portChain in the store.
68 * @param portChain the port chain to update
69 * @return true if given port chain is updated successfully.
71 boolean updatePortChain(PortChain portChain);
74 * Deletes portChain by given portChainId.
76 * @param portChainId id of port chain to remove
77 * @return true if the give port chain is deleted successfully.
79 boolean removePortChain(PortChainId portChainId);