Examples with TransactionSynchronizationManager org.springframework.transaction.reactive.TransactionSynchronizationManager used on opensource projects

Example 1 with TransactionSynchronizationManager

use of org.springframework.transaction.reactive.TransactionSynchronizationManager in project spring-data-mongodb by spring-projects.

the class ReactiveMongoTransactionManager method doBegin.

/*
	 * (non-Javadoc)
	 * @see org.springframework.transaction.reactive.AbstractReactiveTransactionManager#doBegin(org.springframework.transaction.reactive.TransactionSynchronizationManager, java.lang.Object, org.springframework.transaction.TransactionDefinition)
	 */
@Override
protected Mono<Void> doBegin(TransactionSynchronizationManager synchronizationManager, Object transaction, TransactionDefinition definition) throws TransactionException {
    return Mono.defer(() -> {
        ReactiveMongoTransactionObject mongoTransactionObject = extractMongoTransaction(transaction);
        Mono<ReactiveMongoResourceHolder> holder = newResourceHolder(definition, ClientSessionOptions.builder().causallyConsistent(true).build());
        return holder.doOnNext(resourceHolder -> {
            mongoTransactionObject.setResourceHolder(resourceHolder);
            if (logger.isDebugEnabled()) {
                logger.debug(String.format("About to start transaction for session %s.", debugString(resourceHolder.getSession())));
            }
        }).doOnNext(resourceHolder -> {
            mongoTransactionObject.startTransaction(options);
            if (logger.isDebugEnabled()) {
                logger.debug(String.format("Started transaction for session %s.", debugString(resourceHolder.getSession())));
            }
        }).onErrorMap(ex -> new TransactionSystemException(String.format("Could not start Mongo transaction for session %s.", debugString(mongoTransactionObject.getSession())), ex)).doOnSuccess(resourceHolder -> {
            synchronizationManager.bindResource(getRequiredDatabaseFactory(), resourceHolder);
        }).then();
    });
}