private boolean addPendingRequest(final RequestContextImpl<?, ?> requestContext) {
final Integer messageID = requestContext.getMessageID();
if (isClosed.get()) {
final LocalizableMessage message = INFO_CLIENT_CONNECTION_CLOSING.get();
requestContext.handleException(
newLdapException(ResultCode.UNWILLING_TO_PERFORM, message.toString()));
return false;
} else if (pendingRequests.putIfAbsent(messageID, requestContext) != null) {
final LocalizableMessage message =
WARN_CLIENT_DUPLICATE_MESSAGE_ID.get(requestContext.getMessageID());
requestContext.handleException(
newLdapException(ResultCode.PROTOCOL_ERROR, message.toString()));
return false;
} else if (isClosed.get()) {
/*
* A concurrent close may have already removed the pending
* request but it will have only been notified for cancellation.
*/
pendingRequests.remove(messageID);
final LocalizableMessage message = INFO_CLIENT_CONNECTION_CLOSING.get();
requestContext.handleException(
newLdapException(ResultCode.UNWILLING_TO_PERFORM, message.toString()));
return false;
} else {
/*
* If the connection is closed now then we just have to pay the
* cost of invoking the request in the request handler.
*/
return true;
}
}
/**
* Deregister a request context once it has completed.
*
* @param requestContext The request context.
* @return {@code true} if the request context was found and removed.
*/
private boolean removePendingRequest(final RequestContextImpl<?, ?> requestContext) {
return pendingRequests.remove(requestContext.getMessageID()) != null;
}
