public boolean tryBegin(String lockName, WaitInvocation timeout, int lockLevel) {
logTryBegin0(lockName, lockLevel);
if (isTransactionLoggingDisabled() || objectManager.isCreationInProgress()) {
return true;
}
final TxnType txnType = getTxnTypeFromLockLevel(lockLevel);
ClientTransaction currentTransaction = getTransactionOrNull();
if ((currentTransaction != null) && lockLevel == LockLevel.CONCURRENT) {
// make formatter sane
throw new AssertionError("Can't acquire concurrent locks in a nested lock context.");
}
final LockID lockID = lockManager.lockIDFor(lockName);
boolean isLocked = lockManager.tryLock(lockID, timeout, lockLevel);
if (!isLocked) {
return isLocked;
}
pushTxContext(lockID, txnType);
if (currentTransaction == null) {
createTxAndInitContext();
} else {
currentTransaction.setTransactionContext(this.peekContext());
}
return isLocked;
}
