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/*
* 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.portpairgroup.impl;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.slf4j.LoggerFactory.getLogger;
import java.util.Collections;
import java.util.Set;
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.store.serializers.KryoNamespaces;
import org.onosproject.store.service.EventuallyConsistentMap;
import org.onosproject.store.service.MultiValuedTimestamp;
import org.onosproject.store.service.StorageService;
import org.onosproject.store.service.WallClockTimestamp;
import org.onosproject.vtnrsc.PortPairGroup;
import org.onosproject.vtnrsc.PortPairGroupId;
import org.onosproject.vtnrsc.portpairgroup.PortPairGroupListener;
import org.onosproject.vtnrsc.portpairgroup.PortPairGroupService;
import org.slf4j.Logger;
import com.google.common.collect.Sets;
/**
* Provides implementation of the portPairGroupService.
*/
@Component(immediate = true)
@Service
public class PortPairGroupManager implements PortPairGroupService {
private static final String PORT_PAIR_GROUP_ID_NULL = "PortPairGroup ID cannot be null";
private static final String PORT_PAIR_GROUP_NULL = "PortPairGroup cannot be null";
private static final String LISTENER_NOT_NULL = "Listener cannot be null";
private final Logger log = getLogger(getClass());
private final Set<PortPairGroupListener> listeners = Sets.newCopyOnWriteArraySet();
private EventuallyConsistentMap<PortPairGroupId, PortPairGroup> portPairGroupStore;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected StorageService storageService;
@Activate
public void activate() {
KryoNamespace.Builder serializer = KryoNamespace.newBuilder()
.register(KryoNamespaces.API)
.register(MultiValuedTimestamp.class)
.register(PortPairGroup.class);
portPairGroupStore = storageService
.<PortPairGroupId, PortPairGroup>eventuallyConsistentMapBuilder()
.withName("portpairgroupstore").withSerializer(serializer)
.withTimestampProvider((k, v) -> new WallClockTimestamp()).build();
log.info("Started");
}
@Deactivate
public void deactivate() {
portPairGroupStore.destroy();
listeners.clear();
log.info("Stopped");
}
@Override
public boolean exists(PortPairGroupId portPairGroupId) {
checkNotNull(portPairGroupId, PORT_PAIR_GROUP_ID_NULL);
return portPairGroupStore.containsKey(portPairGroupId);
}
@Override
public int getPortPairGroupCount() {
return portPairGroupStore.size();
}
@Override
public Iterable<PortPairGroup> getPortPairGroups() {
return Collections.unmodifiableCollection(portPairGroupStore.values());
}
@Override
public PortPairGroup getPortPairGroup(PortPairGroupId portPairGroupId) {
checkNotNull(portPairGroupId, PORT_PAIR_GROUP_ID_NULL);
return portPairGroupStore.get(portPairGroupId);
}
@Override
public boolean createPortPairGroup(PortPairGroup portPairGroup) {
checkNotNull(portPairGroup, PORT_PAIR_GROUP_NULL);
portPairGroupStore.put(portPairGroup.portPairGroupId(), portPairGroup);
if (!portPairGroupStore.containsKey(portPairGroup.portPairGroupId())) {
log.debug("The portPairGroup is created failed which identifier was {}", portPairGroup.portPairGroupId()
.toString());
return false;
}
return true;
}
@Override
public boolean updatePortPairGroup(PortPairGroup portPairGroup) {
checkNotNull(portPairGroup, PORT_PAIR_GROUP_NULL);
if (!portPairGroupStore.containsKey(portPairGroup.portPairGroupId())) {
log.debug("The portPairGroup is not exist whose identifier was {} ",
portPairGroup.portPairGroupId().toString());
return false;
}
portPairGroupStore.put(portPairGroup.portPairGroupId(), portPairGroup);
if (!portPairGroup.equals(portPairGroupStore.get(portPairGroup.portPairGroupId()))) {
log.debug("The portPairGroup is updated failed whose identifier was {} ",
portPairGroup.portPairGroupId().toString());
return false;
}
return true;
}
@Override
public boolean removePortPairGroup(PortPairGroupId portPairGroupId) {
checkNotNull(portPairGroupId, PORT_PAIR_GROUP_NULL);
portPairGroupStore.remove(portPairGroupId);
if (portPairGroupStore.containsKey(portPairGroupId)) {
log.debug("The portPairGroup is removed failed whose identifier was {}",
portPairGroupId.toString());
return false;
}
return true;
}
@Override
public void addListener(PortPairGroupListener listener) {
checkNotNull(listener, LISTENER_NOT_NULL);
listeners.add(listener);
}
@Override
public void removeListener(PortPairGroupListener listener) {
checkNotNull(listener, LISTENER_NOT_NULL);
listeners.remove(listener);
}
}
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