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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/**
* Copyright (c) 2013-2024 Nikita Koksharov
*
* 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.redisson.spring.transaction;
import org.redisson.api.RTransaction;
import org.redisson.api.RedissonClient;
import org.redisson.api.TransactionOptions;
import org.springframework.transaction.NoTransactionException;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionException;
import org.springframework.transaction.TransactionSystemException;
import org.springframework.transaction.support.AbstractPlatformTransactionManager;
import org.springframework.transaction.support.DefaultTransactionStatus;
import org.springframework.transaction.support.ResourceTransactionManager;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import java.util.concurrent.TimeUnit;
/**
*
* @author Nikita Koksharov
*
*/
public class RedissonTransactionManager extends AbstractPlatformTransactionManager implements ResourceTransactionManager {
private static final long serialVersionUID = -6151310954082124041L;
private RedissonClient redisson;
public RedissonTransactionManager(RedissonClient redisson) {
this.redisson = redisson;
}
public RTransaction getCurrentTransaction() {
RedissonTransactionHolder to = (RedissonTransactionHolder) TransactionSynchronizationManager.getResource(redisson);
if (to == null) {
throw new NoTransactionException("No transaction is available for the current thread");
}
return to.getTransaction();
}
@Override
protected Object doGetTransaction() throws TransactionException {
RedissonTransactionObject transactionObject = new RedissonTransactionObject();
RedissonTransactionHolder holder = (RedissonTransactionHolder) TransactionSynchronizationManager.getResource(redisson);
if (holder != null) {
transactionObject.setTransactionHolder(holder);
}
return transactionObject;
}
@Override
protected boolean isExistingTransaction(Object transaction) throws TransactionException {
RedissonTransactionObject transactionObject = (RedissonTransactionObject) transaction;
return transactionObject.getTransactionHolder() != null;
}
@Override
protected void doBegin(Object transaction, TransactionDefinition definition) throws TransactionException {
RedissonTransactionObject tObject = (RedissonTransactionObject) transaction;
if (tObject.getTransactionHolder() == null) {
int timeout = determineTimeout(definition);
TransactionOptions options = TransactionOptions.defaults();
if (timeout != TransactionDefinition.TIMEOUT_DEFAULT) {
options.timeout(timeout, TimeUnit.SECONDS);
}
RTransaction trans = redisson.createTransaction(options);
RedissonTransactionHolder holder = new RedissonTransactionHolder();
holder.setTransaction(trans);
tObject.setTransactionHolder(holder);
TransactionSynchronizationManager.bindResource(redisson, holder);
}
}
@Override
protected void doCommit(DefaultTransactionStatus status) throws TransactionException {
RedissonTransactionObject to = (RedissonTransactionObject) status.getTransaction();
try {
to.getTransactionHolder().getTransaction().commit();
} catch (org.redisson.transaction.TransactionException e) {
throw new TransactionSystemException("Unable to commit transaction", e);
}
}
@Override
protected void doRollback(DefaultTransactionStatus status) throws TransactionException {
RedissonTransactionObject to = (RedissonTransactionObject) status.getTransaction();
try {
to.getTransactionHolder().getTransaction().rollback();
} catch (org.redisson.transaction.TransactionException e) {
throw new TransactionSystemException("Unable to rollback transaction", e);
}
}
@Override
protected void doSetRollbackOnly(DefaultTransactionStatus status) throws TransactionException {
RedissonTransactionObject to = (RedissonTransactionObject) status.getTransaction();
to.setRollbackOnly(true);
}
@Override
protected void doResume(Object transaction, Object suspendedResources) throws TransactionException {
TransactionSynchronizationManager.bindResource(redisson, suspendedResources);
}
@Override
protected Object doSuspend(Object transaction) throws TransactionException {
RedissonTransactionObject to = (RedissonTransactionObject) transaction;
to.setTransactionHolder(null);
return TransactionSynchronizationManager.unbindResource(redisson);
}
@Override
protected void doCleanupAfterCompletion(Object transaction) {
TransactionSynchronizationManager.unbindResourceIfPossible(redisson);
RedissonTransactionObject to = (RedissonTransactionObject) transaction;
to.getTransactionHolder().setTransaction(null);
}
@Override
public Object getResourceFactory() {
return redisson;
}
}
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