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DistributedLockManger creates a locks table if one does not exist

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Change-Id: Ifa766ad441f677a4071b68d8f6caa564cf320869
This commit is contained in:
Madan Jampani 2014-11-18 10:06:01 -08:00 committed by Yuta Higuchi
parent 705d9bc78d
commit ac201955fa
1 changed files with 21 additions and 0 deletions
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21
core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DistributedLockManager.java vendored
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@ -5,6 +5,7 @@ import static org.slf4j.LoggerFactory.getLogger;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
@ -20,6 +21,8 @@ import org.onlab.onos.cluster.ClusterService;
import org.onlab.onos.store.cluster.messaging.ClusterCommunicationService;
import org.onlab.onos.store.cluster.messaging.ClusterMessage;
import org.onlab.onos.store.cluster.messaging.ClusterMessageHandler;
import org.onlab.onos.store.service.DatabaseAdminService;
import org.onlab.onos.store.service.DatabaseException;
import org.onlab.onos.store.service.DatabaseService;
import org.onlab.onos.store.service.Lock;
import org.onlab.onos.store.service.LockEventListener;
@ -41,12 +44,17 @@ public class DistributedLockManager implements LockService {
public static final String ONOS_LOCK_TABLE_NAME = "onos-locks";
public static final int DEAD_LOCK_TIMEOUT_MS = 5000;
private final ListMultimap<String, LockRequest> locksToAcquire =
Multimaps.synchronizedListMultimap(LinkedListMultimap.<String, LockRequest>create());
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
private ClusterCommunicationService clusterCommunicator;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
private DatabaseAdminService databaseAdminService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
private DatabaseService databaseService;
@ -55,9 +63,22 @@ public class DistributedLockManager implements LockService {
@Activate
public void activate() {
try {
Set<String> tableNames = databaseAdminService.listTables();
if (!tableNames.contains(ONOS_LOCK_TABLE_NAME)) {
if (databaseAdminService.createTable(ONOS_LOCK_TABLE_NAME, DEAD_LOCK_TIMEOUT_MS)) {
log.info("Created {} table.", ONOS_LOCK_TABLE_NAME);
}
}
} catch (DatabaseException e) {
log.error("DistributedLockManager#activate failed.", e);
throw e;
}
clusterCommunicator.addSubscriber(
DatabaseStateMachine.DATABASE_UPDATE_EVENTS,
new LockEventMessageListener());
log.info("Started.");
}