CORBA Notification Service API Reference

Using the CORBA Notification Service

CosNotifyFilter::Filter::destroy

Synopsis

Destroys the filter object.

OMG IDL

void destroy();

Exceptions

CORBA::BAD_PARAM

Indicates the following problem: Tobj_Events::SUB_INVALID_FILTER_EXPRESSION.

Note: For more information on exceptions and corresponding minor codes, see "Exception Minor Codes" on page -59.

Description

Used when unsubscribing. This operation is used in subscriber applications to destroy the target filter object.

Note: Do not destroy the filter object until you are ready to cancel the corresponding subscription.

CosNotifyFilter::FilterFactory Class

This class is used by event subscriber applications. The OMG IDL for this class is as follows:

Module CosNotifyFilter
{
interface FilterFactory {
   Filter create_filter (
          in string constraint_grammar)
      raises (InvalidGrammar);
   destroy();
  }; 
}; //CosNotifyFilter