Spring声明式事务管理源码解读之事务提交 - 编程入门网
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-06-17
bugEnabled, suspendedResources);
}
if (definition.getPropagationBehavior() == TransactionDefinition.PROPAGATION_REQUIRES_NEW) {
if (debugEnabled) {
logger.debug("Suspending current transaction, creating new transaction with name [" +
definition.getName() + "]");
}
Object suspendedResources = suspend(transaction);
doBegin(transaction, definition);
boolean newSynchronization = (this.transactionSynchronization != SYNCHRONIZATION_NEVER);
return newTransactionStatus(
definition, transaction, true, newSynchronization, debugEnabled, suspendedResources);
}
if (definition.getPropagationBehavior() == TransactionDefinition.PROPAGATION_NESTED) {
if (!isNestedTransactionAllowed()) {
throw new NestedTransactionNotSupportedException(
"Transaction manager does not allow nested transactions by default - " +
"specify ''nestedTransactionAllowed'' property with value ''true''");
}
if (debugEnabled) {
logger.debug("Creating nested transaction with name [" + definition.getName() + "]");
}
if (useSavepointForNestedTransaction()) {
// Create savepoint within existing Spring-managed transaction,
// through the SavepointManager API implemented by TransactionStatus.
// Usually uses JDBC 3.0 savepoints. Never activates Spring synchronization.
DefaultTransactionStatus status =
newTransactionStatus(definition, transaction, false, false, debugEnabled, null);
status.createAndHoldSavepoint();
return status;
}
else {
// Nested transaction through nested begin and commit/rollback calls.
// Usually only for JTA: Spring synchronization might get activated here
// in case of a pre-existing JTA transaction.
doBegin(transaction, definition);
boolean newSynchronization = (this.transactionSynchronization != SYNCHRONIZATION_NEVER);
return newTransactionStatus(definition, transaction, true, newSynchronization, debugEnabled, null);
}
}
// Assumably PROPAGATION_SUPPORTS.
if (debugEnabled) {
logger.debug("Participating in existing transaction");
}
boolean newSynchronization = (this.transactionSynchronization != SYNCHRONIZATION_NEVER);
return newTransactionStatus(definition, transaction, false, newSynchronization, debugEnabled, null);
}
Spring声明式事务管理源码解读之事务提交(5)时间:2011-03-29 javaeye 张荣华我们看到这个方法其实很明了，就是什么样的传播途径就 |
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