| /* |
| * 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.flowClassifier.impl; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| 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.vtnrsc.FlowClassifierId; |
| import org.onosproject.vtnrsc.FlowClassifier; |
| import org.onosproject.vtnrsc.flowClassifier.FlowClassifierService; |
| |
| import org.slf4j.Logger; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import com.google.common.collect.ImmutableList; |
| |
| /** |
| * Provides implementation of the Flow Classifier Service. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class FlowClassifierManager implements FlowClassifierService { |
| |
| private final Logger log = getLogger(FlowClassifierManager.class); |
| |
| private static final String FLOW_CLASSIFIER_NOT_NULL = "Flow Classifier cannot be null"; |
| private static final String FLOW_CLASSIFIER_ID_NOT_NULL = "Flow Classifier Id cannot be null"; |
| |
| private ConcurrentMap<FlowClassifierId, FlowClassifier> flowClassifierStore |
| = new ConcurrentHashMap<FlowClassifierId, FlowClassifier>(); |
| |
| @Activate |
| private void activate() { |
| log.info("Flow Classifier service activated"); |
| } |
| |
| @Deactivate |
| private void deactivate() { |
| log.info("Flow Classifier service deactivated"); |
| } |
| |
| @Override |
| public boolean createFlowClassifier(FlowClassifier flowClassifier) { |
| log.debug("createFlowClassifier"); |
| checkNotNull(flowClassifier, FLOW_CLASSIFIER_NOT_NULL); |
| FlowClassifierId id = flowClassifier.flowClassifierId(); |
| |
| flowClassifierStore.put(id, flowClassifier); |
| if (!flowClassifierStore.containsKey(id)) { |
| log.debug("Flow Classifier creation is failed whose identifier is {}.", id.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public Iterable<FlowClassifier> getFlowClassifiers() { |
| return ImmutableList.copyOf(flowClassifierStore.values()); |
| } |
| |
| @Override |
| public boolean hasFlowClassifier(FlowClassifierId id) { |
| checkNotNull(id, FLOW_CLASSIFIER_ID_NOT_NULL); |
| return flowClassifierStore.containsKey(id); |
| } |
| |
| @Override |
| public FlowClassifier getFlowClassifier(FlowClassifierId id) { |
| checkNotNull(id, FLOW_CLASSIFIER_ID_NOT_NULL); |
| return flowClassifierStore.get(id); |
| } |
| |
| @Override |
| public boolean updateFlowClassifier(FlowClassifier flowClassifier) { |
| checkNotNull(flowClassifier, FLOW_CLASSIFIER_NOT_NULL); |
| FlowClassifierId id = flowClassifier.flowClassifierId(); |
| return flowClassifierStore.replace(id, flowClassifierStore.get(id), flowClassifier); |
| } |
| |
| @Override |
| public boolean removeFlowClassifier(FlowClassifierId id) { |
| checkNotNull(id, FLOW_CLASSIFIER_ID_NOT_NULL); |
| flowClassifierStore.remove(id); |
| if (flowClassifierStore.containsKey(id)) { |
| log.debug("The Flow Classifier removal is failed whose identifier is {}", id.toString()); |
| return false; |
| } |
| return true; |
| } |
| } |