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.flowclassifier;
18 import org.onosproject.event.ListenerService;
19 import org.onosproject.vtnrsc.FlowClassifier;
20 import org.onosproject.vtnrsc.FlowClassifierId;
23 * Provides Services for Flow Classifier.
25 public interface FlowClassifierService extends ListenerService<FlowClassifierEvent, FlowClassifierListener> {
28 * Check whether Flow Classifier is present based on given Flow Classifier
31 * @param id flow classifier identifier
32 * @return true if flow classifier is present otherwise return false
34 boolean exists(FlowClassifierId id);
37 * Returns the number of flow classifiers known to the system.
39 * @return number of flow classifiers
41 int getFlowClassifierCount();
44 * Store Flow Classifier.
46 * @param flowClassifier flow classifier
47 * @return true if adding flow classifier into store is success otherwise
50 boolean createFlowClassifier(FlowClassifier flowClassifier);
53 * Return the existing collection of Flow Classifier.
55 * @return flow classifier collections
57 Iterable<FlowClassifier> getFlowClassifiers();
60 * Retrieve the Flow Classifier based on given Flow Classifier id.
62 * @param id flow classifier identifier
63 * @return flow classifier if present otherwise returns null
65 FlowClassifier getFlowClassifier(FlowClassifierId id);
68 * Update Flow Classifier based on given Flow Classifier Id.
70 * @param flowClassifier flow classifier
71 * @return true if flow classifier update is success otherwise return false
73 boolean updateFlowClassifier(FlowClassifier flowClassifier);
76 * Remove Flow Classifier from store based on given Flow Classifier Id.
78 * @param id flow classifier identifier
79 * @return true if flow classifier removal is success otherwise return
82 boolean removeFlowClassifier(FlowClassifierId id);