/**
* Create a new transaction lock.<br>
* If the lockInfo element is <code>null</code> the timeout defaults to half and hour. The default
* scope is 'local'.
*
* @param lockInfo
* @throws IllegalArgumentException if either scope or type is invalid or if a depth other than
* infinity is requested.
*/
public TxActiveLock(LockInfo lockInfo) {
if (lockInfo != null) {
if (!TRANSACTION.equals(lockInfo.getType())) {
throw new IllegalArgumentException(
"Only 'transaction' type is allowed for a transaction-activelock object.");
}
if (!(LOCAL.equals(lockInfo.getScope()) || GLOBAL.equals(lockInfo.getScope()))) {
throw new IllegalArgumentException(
"Only 'global' or 'local' are valid scopes within a transaction-activelock element.");
}
if (!lockInfo.isDeep()) {
throw new IllegalArgumentException("Only transaction locks can only be deep.");
}
setOwner(lockInfo.getOwner());
setTimeout(lockInfo.getTimeout());
scope = lockInfo.getScope();
} else {
setTimeout(DEFAULT_TIMEOUT);
// local scope by default
scope = LOCAL;
}
}
/** @return {@code True} if lock is local. */
public boolean local() {
return LOCAL.get(flags());
}
