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//
// $Id$
//
module CosEventComm
{
// = TITLE
// IDL module for the Corba Object Service for Event Communication.
exception Disconnected{};
// If the event communication has already been disconnected,
// the Disconnected exception is raised.
interface PushConsumer
{
// = TITLE
// definition of the PushConsumer.
// = DESCRIPTION
// A push-style consumer supports the PushConsumer interface
// to receive event data.
void push (in any data) raises(Disconnected);
// A supplier communicates event data to the consumer by invoking
// the push operation and passing the event data as a parameter.
// If the event communication has already been disconnected,
// the Disconnected exception is raised.
void disconnect_push_consumer();
// The disconnect_push_consumer operation terminates the
// event communication; it releases resources used at the consumer to
// support the event communication.
// The PushConsumer object reference is disposed.
};
interface PushSupplier
{
// = TITLE
// Definition of the PushSupplier.
// = DESCRIPTION
// A push-style supplier supports the PushSupplier interface.
void disconnect_push_supplier();
// The disconnect_push_supplier operation terminates the
// event communication; it releases resources used at the supplier to
// support the event communication.
// The PushSupplier object reference is disposed.
};
interface PullSupplier
{
// = TITLE
// Definition of the PullSupplier.
// = DESCRIPTION
// A pull-style supplier supports the PullSupplier interface to transmit event data.
any pull () raises(Disconnected);
// The pull operation blocks until the event data is available or an
// exception is raised. It returns the event data to the consumer.
// If the event communication has already been disconnected,
// the Disconnected exception is raised.
any try_pull (out boolean has_event) raises(Disconnected);
// The try_pull operation does not block: if the event data is available,
// it returns the event data and sets the has_event parameter to true;
// if the event is not available, it sets the has_event parameter to
// false and the event data is returned as long with an undefined value.
// If the event communication has already been disconnected,
// the Disconnected exception is raised.
void disconnect_pull_supplier();
// The disconnect_pull_supplier operation terminates the
// event communication; it releases resources used at the supplier
// to support the event communication.
// The PullSupplier object reference is disposed.
};
interface PullConsumer
{
// = TITLE
// Definition of the PullConsumer.
// = DESCRIPTION
// A pull-style consumer supports the PullConsumer interface.
void disconnect_pull_consumer();
// The disconnect_pull_consumer operation terminates the event
// communication; it releases resources used at the consumer to support
// the event communication. The PullConsumer object reference is disposed.
};
};
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