/** Restores the delegation for the entire chain. */
private void clearXid() {
_xid = null;
UserPoolItem shareHead = _shareHead;
_shareHead = null;
ManagedPoolItem xaPtr = _xaNext;
_xaHead = null;
_xaNext = null;
UserPoolItem assignedUserItem = null;
for (UserPoolItem ptr = shareHead; ptr != null; ptr = ptr.getShareNext()) {
if (ptr.getOwnPoolItem() == this) {
assignedUserItem = ptr;
break;
}
}
for (UserPoolItem ptr = shareHead; ptr != null; ptr = ptr.getShareNext()) {
if (assignedUserItem == null && ptr.getOwnPoolItem() == null) {
ptr.associatePoolItem(this);
assignedUserItem = ptr;
}
try {
ptr.reassociatePoolItem();
} catch (Throwable e) {
log.log(Level.WARNING, e.toString(), e);
}
}
while (xaPtr != null) {
ManagedPoolItem next = xaPtr._xaNext;
xaPtr._xaNext = null;
xaPtr._xaHead = null;
xaPtr.clearXid();
xaPtr = next;
}
if (assignedUserItem != null) {
// _shareHead = assignedUserItem;
// _shareHead.setShareNext(null);
} else if (_hasConnectionError) {
destroy();
} else {
toIdle();
}
}
/**
* Notifies that an application has closed the connection.
*
* <p>Remove and close the UserPoolItem associated with the PoolItem. If it's the last
* UserPoolItem, move to the idle state.
*/
public void connectionClosed(ConnectionEvent event) {
Object handle = event.getConnectionHandle();
if (!_hasConnectionError && handle == null && _shareHead != null) {
log.fine(
L.l(
"JCA close event '{0}' for {1} did not have a connection handle. Please notify the JCA resource provider.",
event, _mConn));
}
UserPoolItem ptr = _shareHead;
UserPoolItem prev = null;
while (ptr != null) {
UserPoolItem next = ptr.getShareNext();
Object userConn = ptr.getUserConnection();
if (userConn == handle || handle == null) {
if (prev != null) prev.setShareNext(next);
else _shareHead = next;
ptr.close();
} else prev = ptr;
ptr = next;
}
if (_shareHead == null) {
toIdle();
return;
}
}
/** Closes the connection. */
void destroy() {
ManagedConnection mConn = _mConn;
_mConn = null;
UserTransactionImpl transaction = _transaction;
_transaction = null;
if (mConn == null) return;
_cm.removeItem(this, mConn);
UserPoolItem userItem = _shareHead;
if (log.isLoggable(Level.FINE)) log.fine("connection pool destroy " + this);
try {
while (userItem != null) {
UserPoolItem next = userItem.getShareNext();
userItem.close();
userItem = next;
}
if (transaction != null) transaction.delistPoolItem(this, XAResource.TMFAIL);
} catch (Throwable e) {
log.log(Level.FINE, e.toString(), e);
}
try {
mConn.destroy();
} catch (Exception e) {
log.log(Level.FINE, e.toString(), e);
} finally {
_cm.getConnectionTimeProbe().end(_connectionStartTime);
}
}
