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/*
* Copyright 2014-2015 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.store.trivial;
import com.google.common.collect.ImmutableSet;
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.joda.time.DateTime;
import org.onlab.packet.IpAddress;
import org.onosproject.cluster.ClusterEvent;
import org.onosproject.cluster.ClusterStore;
import org.onosproject.cluster.ClusterStoreDelegate;
import org.onosproject.cluster.ControllerNode;
import org.onosproject.cluster.DefaultControllerNode;
import org.onosproject.cluster.NodeId;
import org.onosproject.event.EventDeliveryService;
import org.onosproject.event.ListenerRegistry;
import org.onosproject.net.intent.Key;
import org.onosproject.net.intent.PartitionEvent;
import org.onosproject.net.intent.PartitionEventListener;
import org.onosproject.net.intent.PartitionService;
import org.onosproject.store.AbstractStore;
import org.slf4j.Logger;
import java.util.Set;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Manages inventory of infrastructure devices using trivial in-memory
* structures implementation.
*/
@Component(immediate = true)
@Service
public class SimpleClusterStore
extends AbstractStore<ClusterEvent, ClusterStoreDelegate>
implements ClusterStore, PartitionService {
public static final IpAddress LOCALHOST = IpAddress.valueOf("127.0.0.1");
private final Logger log = getLogger(getClass());
private ControllerNode instance;
private final DateTime creationTime = DateTime.now();
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected EventDeliveryService eventDispatcher;
private ListenerRegistry<PartitionEvent, PartitionEventListener> listenerRegistry;
@Activate
public void activate() {
instance = new DefaultControllerNode(new NodeId("local"), LOCALHOST);
listenerRegistry = new ListenerRegistry<>();
eventDispatcher.addSink(PartitionEvent.class, listenerRegistry);
log.info("Started");
}
@Deactivate
public void deactivate() {
eventDispatcher.removeSink(PartitionEvent.class);
log.info("Stopped");
}
@Override
public ControllerNode getLocalNode() {
return instance;
}
@Override
public Set<ControllerNode> getNodes() {
return ImmutableSet.of(instance);
}
@Override
public ControllerNode getNode(NodeId nodeId) {
return instance.id().equals(nodeId) ? instance : null;
}
@Override
public ControllerNode.State getState(NodeId nodeId) {
return ControllerNode.State.ACTIVE;
}
@Override
public DateTime getLastUpdated(NodeId nodeId) {
return creationTime;
}
@Override
public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
return null;
}
@Override
public void removeNode(NodeId nodeId) {
}
@Override
public boolean isMine(Key intentKey) {
return true;
}
@Override
public NodeId getLeader(Key intentKey) {
return instance.id();
}
@Override
public void addListener(PartitionEventListener listener) {
listenerRegistry.addListener(listener);
}
@Override
public void removeListener(PartitionEventListener listener) {
listenerRegistry.removeListener(listener);
}
}
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