/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.apache.geode.internal.cache.locks;
import java.util.Set;
import java.util.concurrent.RejectedExecutionException;
import org.apache.logging.log4j.Logger;
import org.apache.geode.distributed.internal.DM;
import org.apache.geode.distributed.internal.locks.DLockBatch;
import org.apache.geode.distributed.internal.locks.DLockGrantor;
import org.apache.geode.distributed.internal.locks.DLockLessorDepartureHandler;
import org.apache.geode.distributed.internal.locks.DLockService;
import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
import org.apache.geode.internal.logging.LogService;
/**
* Handles departure of lessor (lease holder) by sending a message asking each participant if it's
* ok to release the leases. Upon receipt of all replies the lease will be automatically released.
*
*/
public class TXLessorDepartureHandler implements DLockLessorDepartureHandler {
private static final Logger logger = LogService.getLogger();
public void handleDepartureOf(InternalDistributedMember owner, DLockGrantor grantor) {
// get DTLS
TXLockService dtls = TXLockService.getDTLS();
if (dtls == null)
return;
try {
if (!dtls.isLockGrantor()) {
logger.debug("This member is not lock grantor; exiting TXLessorDepartureHandler");
return;
}
DLockService dlock = ((TXLockServiceImpl) dtls).getInternalDistributedLockService();
// DLockGrantor grantor = DLockGrantor.waitForGrantor(dlock, true);
if (grantor == null || grantor.isDestroyed()) {
logger.debug(
"Lock grantor does not exist or has been destroyed; exiting TXLessorDepartureHandler");
return;
}
// verify owner has active txLock
DLockBatch[] batches = grantor.getLockBatches(owner);
if (batches.length == 0) {
logger.debug("{} has no active lock batches; exiting TXLessorDepartureHandler", owner);
return;
}
sendRecoveryMsgs(dlock.getDistributionManager(), batches, owner, grantor);
} catch (IllegalStateException e) {
// ignore... service was destroyed
} // outer try-catch
}
private void sendRecoveryMsgs(final DM dm, final DLockBatch[] batches,
final InternalDistributedMember owner, final DLockGrantor grantor) {
try {
dm.getWaitingThreadPool().execute(new Runnable() {
public void run() {
for (int i = 0; i < batches.length; i++) {
TXLockBatch batch = (TXLockBatch) batches[i];
// send TXOriginatorDepartureMessage
Set participants = batch.getParticipants();
TXOriginatorRecoveryProcessor.sendMessage(participants, owner, batch.getTXLockId(),
grantor, dm);
}
}
});
} catch (RejectedExecutionException e) {
if (logger.isDebugEnabled()) {
logger.debug("Rejected sending recovery messages for departure of tx originator {}", owner,
e);
}
}
}
}