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package com.sun.enterprise.ee.admin.event;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.ee.EELogDomains;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.admin.event.AdminEvent;
import com.sun.enterprise.admin.event.AdminEventResult;
/**
* Responsible for forwarding an event to a set of end points.
*
* @author Nazrul Islam
* @since JDK1.4
*/
class DispatchMgr {
/**
* Constructor.
*
* @param e event to be sent
* @param destinations array of end point applicable for this event
*/
DispatchMgr(AdminEvent e, EndPoint[] destinations) {
assert(destinations != null);
assert(e != null);
_event = e;
_info = destinations;
}
private static Logger getLogger() {
if (_logger == null) {
_logger = Logger.getLogger(EELogDomains.EE_ADMIN_LOGGER);
}
return _logger;
}
/**
* Forwards the events to the targetted end points.
*
* @return result from each end point
*/
synchronized AdminEventResult forward() {
// AdminEventResult[] results = null;
AdminEventResult retResult = null;
try {
// results = new AdminEventResult[_info.length];
retResult = new AdminEventResult(_event.getSequenceNumber());
EndPointHandler[] handlers = new EndPointHandler[_info.length];
Thread[] eThreads = new Thread[_info.length];
AdminEvent[] cloneEvents = new AdminEvent[_info.length];
// make clones of the event
for (int i=0; i<_info.length; i++) {
cloneEvents[i] = (AdminEvent) _event.clone();
}
for (int i=0; i<_info.length; i++) {
assert(_info[i].getHost() != null);
cloneEvents[i].setEffectiveDestination( _info[i].getHost() );
handlers[i] = new EndPointHandler(cloneEvents[i], _info[i]);
eThreads[i] = new Thread(handlers[i], HANDLER_NAME+i);
eThreads[i].start();
}
int j =0;
for (int i=0; i<_info.length; i++) {
eThreads[i].join(DEFAULT_TIME_OUT);
retResult.addEventResult(_info[i].getHost(),
handlers[i].getResult());
AdminEventResult r = handlers[i].getResult();
if (( r == null) || (r != null &&
!r.getResultCode().equals(AdminEventResult.SUCCESS))) {
j++;
}
}
if ( j == 0 ) {
retResult.setResultCode(AdminEventResult.SUCCESS);
} else {
if ( j == _info.length) {
retResult.setResultCode(AdminEventResult.ERROR);
} else {
retResult.setResultCode(AdminEventResult.MIXED_RESULT);
}
}
} catch (Exception e) {
// fatal error - this should never happen
getLogger().log(Level.WARNING, "eeadmin.dispatchmgr.exception",e);
if (retResult != null) {
retResult.setResultCode(retResult.ERROR);
if (_event != null) {
retResult.addException(_event.getTargetDestination(), e);
}
}
}
return retResult;
}
// ---- VARIABLE(S) - PRIVATE ----------------------------
private AdminEvent _event = null;
private EndPoint[] _info = null;
private static final String HANDLER_NAME = "event-handler-";
private static final long DEFAULT_TIME_OUT = 3600000;
private static Logger _logger = null;
}