/**
* removes the listener from the list of Persistent Search listeners of the asynchronous seach for
* the given search ID.
*
* @param request The request returned by the addListener
* @supported.api
*/
protected void removeListener(Request request) {
LDAPConnection connection = request.getLDAPConnection();
if (connection != null) {
if (debugger.messageEnabled()) {
debugger.message(
"EventService.removeListener(): Removing "
+ "listener requestID: "
+ request.getRequestID()
+ " Listener: "
+ request.getListener());
}
try {
if ((connection != null) && (connection.isConnected())) {
connection.abandon(request.getId());
connection.disconnect();
}
} catch (LDAPException le) {
// Might have to check the reset codes and try to reset
if (debugger.warningEnabled()) {
debugger.warning(
"EventService.removeListener(): " + "LDAPException, when trying to remove listener",
le);
}
}
}
}
/**
* Response message carries a LDAP error. Response with the code 0 (SUCCESS), should never be
* received as persistent search never completes, it has to be abandon. Referral messages are
* ignored
*/
protected boolean processResponseMessage(LDAPResponse rsp, Request request) {
_retryErrorCodes = getPropertyRetryErrorCodes(EVENT_CONNECTION_ERROR_CODES);
int resultCode = rsp.getResultCode();
if (_retryErrorCodes.contains("" + resultCode)) {
if (debugger.messageEnabled()) {
debugger.message(
"EventService.processResponseMessage() - "
+ "received LDAP Response for requestID: "
+ request.getRequestID()
+ " Listener: "
+ request.getListener()
+ "Need restarting");
}
resetErrorSearches(false);
} else if (resultCode != 0 || resultCode != LDAPException.REFERRAL) {
// If not neither of the cases then
if (resultCode == LDAPException.BUSY) {
debugger.error(
"EventService.processResponseMessage() - received error BUSY, call retryManager");
return retryManager(false);
}
LDAPException ex =
new LDAPException(
"Error result", rsp.getResultCode(), rsp.getErrorMessage(), rsp.getMatchedDN());
dispatchException(ex, request);
}
return true;
}
/** Create naming event from a change control */
private DSEvent createDSEvent(LDAPEntry entry, LDAPEntryChangeControl changeCtrl, Request req)
throws Exception {
DSEvent dsEvent = new DSEvent();
if (debugger.messageEnabled()) {
debugger.message(
"EventService.createDSEvent() - Notifying event " + "to: " + req.getListener());
}
// Get the dn from the entry
String dn = entry.getDN();
dsEvent.setID(dn);
// Get information on the type of change made
int changeType = changeCtrl.getChangeType();
dsEvent.setEventType(changeType);
// Pass the search ID as the event's change info
dsEvent.setSearchID(req.getRequestID());
// set the object class name
String className = entry.getAttribute("objectclass").toString();
dsEvent.setClassName(className);
return dsEvent;
}
private void dispatchException(Exception e, Request request) {
IDSEventListener el = request.getListener();
debugger.error(
"EventService.dispatchException() - dispatching "
+ "exception to the listener: "
+ request.getRequestID()
+ " Listener: "
+ request.getListener(),
e);
el.eventError(e.toString());
}
/**
* Reset error searches. Clear cache only if true is passed to argument
*
* @param clearCaches
*/
protected void resetErrorSearches(boolean clearCaches) {
Hashtable tmpReqList = new Hashtable();
tmpReqList.putAll(_requestList);
int[] ids = _msgQueue.getMessageIDs();
if (ids != null) {
for (int i = 0; i < ids.length; i++) {
String reqID = Integer.toString(ids[i]);
tmpReqList.remove(reqID);
}
}
Collection reqList = tmpReqList.values();
for (Iterator iter = reqList.iterator(); iter.hasNext(); ) {
Request req = (Request) iter.next();
_requestList.remove(req.getRequestID());
}
_retryInterval = getPropertyIntValue(EVENT_CONNECTION_RETRY_INTERVAL, _retryInterval);
RetryTask task = new RetryTask(tmpReqList);
task.clearCache(clearCaches);
SystemTimer.getTimer()
.schedule(task, new Date(((System.currentTimeMillis() + _retryInterval) / 1000) * 1000));
}
