public <ReturnType> ReturnType inTransaction(
TransactionIsolationLevel level, TransactionCallback<ReturnType> callback) {
final TransactionIsolationLevel initial = getTransactionIsolationLevel();
boolean failed = true;
try {
setTransactionIsolation(level);
ReturnType result = transactions.inTransaction(this, level, callback);
failed = false;
return result;
} finally {
try {
setTransactionIsolation(initial);
} catch (RuntimeException e) {
if (!failed) {
throw e;
}
// Ignore, there was already an exceptional condition and we don't want to clobber it.
}
}
}
public <ReturnType> ReturnType inTransaction(TransactionCallback<ReturnType> callback) {
return transactions.inTransaction(this, callback);
}
/**
* Rollback a transaction to a named checkpoint
*
* @param checkpointName the name of the checkpoint, previously declared with {@see
* Handle#checkpoint}
*/
public Handle rollback(String checkpointName) {
final long start = System.nanoTime();
transactions.rollback(this, checkpointName);
log.logRollbackToCheckpoint((System.nanoTime() - start) / 1000000L, this, checkpointName);
return this;
}
public boolean isInTransaction() {
return transactions.isInTransaction(this);
}
/**
* Release the named checkpoint, making rollback to it not possible.
*
* @return The same handle
*/
public Handle release(String checkpointName) {
transactions.release(this, checkpointName);
log.logReleaseCheckpointTransaction(this, checkpointName);
return this;
}
/**
* Create a transaction checkpoint (savepoint in JDBC terminology) with the name provided.
*
* @param name The name of the checkpoint
* @return The same handle
*/
public Handle checkpoint(String name) {
transactions.checkpoint(this, name);
log.logCheckpointTransaction(this, name);
return this;
}
/** Rollback a transaction */
public Handle rollback() {
final long start = System.nanoTime();
transactions.rollback(this);
log.logRollbackTransaction((System.nanoTime() - start) / 1000000L, this);
return this;
}
/** Commit a transaction */
public Handle commit() {
final long start = System.nanoTime();
transactions.commit(this);
log.logCommitTransaction((System.nanoTime() - start) / 1000000L, this);
return this;
}
/** Start a transaction */
public Handle begin() {
transactions.begin(this);
log.logBeginTransaction(this);
return this;
}