| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.portpair.impl; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Collections; |
| import java.util.UUID; |
| |
| 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.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.event.AbstractListenerManager; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.EventuallyConsistentMap; |
| import org.onosproject.store.service.EventuallyConsistentMapEvent; |
| import org.onosproject.store.service.EventuallyConsistentMapListener; |
| import org.onosproject.store.service.MultiValuedTimestamp; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.WallClockTimestamp; |
| import org.onosproject.vtnrsc.DefaultPortPair; |
| import org.onosproject.vtnrsc.PortPair; |
| import org.onosproject.vtnrsc.PortPairId; |
| import org.onosproject.vtnrsc.TenantId; |
| import org.onosproject.vtnrsc.portpair.PortPairEvent; |
| import org.onosproject.vtnrsc.portpair.PortPairListener; |
| import org.onosproject.vtnrsc.portpair.PortPairService; |
| import org.slf4j.Logger; |
| |
| /** |
| * Provides implementation of the portPairService. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class PortPairManager extends AbstractListenerManager<PortPairEvent, PortPairListener> implements |
| PortPairService { |
| |
| private static final String PORT_PAIR_ID_NULL = "PortPair ID cannot be null"; |
| private static final String PORT_PAIR_NULL = "PortPair cannot be null"; |
| private static final String LISTENER_NOT_NULL = "Listener cannot be null"; |
| private static final String EVENT_NOT_NULL = "event cannot be null"; |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private EventuallyConsistentMap<PortPairId, PortPair> portPairStore; |
| |
| private EventuallyConsistentMapListener<PortPairId, PortPair> portPairListener = |
| new InnerPortPairStoreListener(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| @Activate |
| public void activate() { |
| |
| eventDispatcher.addSink(PortPairEvent.class, listenerRegistry); |
| KryoNamespace.Builder serializer = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(MultiValuedTimestamp.class) |
| .register(PortPair.class, PortPairId.class, UUID.class, DefaultPortPair.class, TenantId.class); |
| |
| portPairStore = storageService.<PortPairId, PortPair>eventuallyConsistentMapBuilder() |
| .withName("portpairstore") |
| .withSerializer(serializer) |
| .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| .build(); |
| |
| portPairStore.addListener(portPairListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| eventDispatcher.removeSink(PortPairEvent.class); |
| portPairStore.destroy(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public boolean exists(PortPairId portPairId) { |
| checkNotNull(portPairId, PORT_PAIR_ID_NULL); |
| return portPairStore.containsKey(portPairId); |
| } |
| |
| @Override |
| public int getPortPairCount() { |
| return portPairStore.size(); |
| } |
| |
| @Override |
| public Iterable<PortPair> getPortPairs() { |
| return Collections.unmodifiableCollection(portPairStore.values()); |
| } |
| |
| @Override |
| public PortPair getPortPair(PortPairId portPairId) { |
| checkNotNull(portPairId, PORT_PAIR_ID_NULL); |
| return portPairStore.get(portPairId); |
| } |
| |
| @Override |
| public boolean createPortPair(PortPair portPair) { |
| checkNotNull(portPair, PORT_PAIR_NULL); |
| |
| portPairStore.put(portPair.portPairId(), portPair); |
| if (!portPairStore.containsKey(portPair.portPairId())) { |
| log.debug("The portPair is created failed which identifier was {}", portPair.portPairId().toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean updatePortPair(PortPair portPair) { |
| checkNotNull(portPair, PORT_PAIR_NULL); |
| |
| if (!portPairStore.containsKey(portPair.portPairId())) { |
| log.debug("The portPair is not exist whose identifier was {} ", portPair.portPairId().toString()); |
| return false; |
| } |
| |
| portPairStore.put(portPair.portPairId(), portPair); |
| |
| if (!portPair.equals(portPairStore.get(portPair.portPairId()))) { |
| log.debug("The portPair is updated failed whose identifier was {} ", portPair.portPairId().toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean removePortPair(PortPairId portPairId) { |
| checkNotNull(portPairId, PORT_PAIR_NULL); |
| |
| portPairStore.remove(portPairId); |
| if (portPairStore.containsKey(portPairId)) { |
| log.debug("The portPair is removed failed whose identifier was {}", portPairId.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| private class InnerPortPairStoreListener |
| implements |
| EventuallyConsistentMapListener<PortPairId, PortPair> { |
| |
| @Override |
| public void event(EventuallyConsistentMapEvent<PortPairId, PortPair> event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| PortPair portPair = event.value(); |
| if (EventuallyConsistentMapEvent.Type.PUT == event.type()) { |
| notifyListeners(new PortPairEvent( |
| PortPairEvent.Type.PORT_PAIR_PUT, |
| portPair)); |
| } |
| if (EventuallyConsistentMapEvent.Type.REMOVE == event.type()) { |
| notifyListeners(new PortPairEvent( |
| PortPairEvent.Type.PORT_PAIR_DELETE, |
| portPair)); |
| } |
| } |
| } |
| |
| /** |
| * Notifies specify event to all listeners. |
| * |
| * @param event port pair event |
| */ |
| private void notifyListeners(PortPairEvent event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| post(event); |
| } |
| } |