org.jacorb.events

Class EventChannelImpl

java.lang.Object

org.omg.PortableServer.Servant

org.jacorb.events.JacORBEventChannelPOA

org.jacorb.events.EventChannelImpl

All Implemented Interfaces:

JacORBEventChannelOperations, InvokeHandler, ConsumerAdminOperations, EventChannelOperations, SupplierAdminOperations

public class EventChannelImpl
extends JacORBEventChannelPOA

Simple implementation of the event channel spec. The event channel acts as a factory for proxy push/pull consumers/suppliers and interacts with the implementation objects locally, i.e. using Java references only.

Author:

Joerg v. Frantzius, Rainer Lischetzki, Gerald Brose, Jeff Carlson

Constructor Summary

Constructors

Constructor and Description
EventChannelImpl(ORB orb, POA poa) EventChannel constructor.

Method Summary

Methods

Modifier and Type	Method and Description
POA	_default_POA() Override this method from the Servant baseclass.
void	destroy() Destroy all objects which are managed by the POA.
ConsumerAdmin	for_consumers() Return the consumerAdmin interface
SupplierAdmin	for_suppliers() Return the supplierAdmin interface
static void	main(String[] args)
ProxyPullConsumer	obtain_pull_consumer() Return a ProxyPullConsumer reference to be used to connect to a PullSupplier.
ProxyPullSupplier	obtain_pull_supplier() Return a ProxyPullSupplier reference to be used to connect to a PullConsumer.
ProxyPushConsumer	obtain_push_consumer() Return a ProxyPushConsumer reference to be used to connect to a PushSupplier.
ProxyPushSupplier	obtain_push_supplier() Return a ProxyPushSupplier reference to be used to connect to a PushConsumer.
protected void	push_event(Any event) Send event to all registered consumers.

Methods inherited from class org.jacorb.events.JacORBEventChannelPOA

_all_interfaces, _invoke, _this, _this

Methods inherited from class org.omg.PortableServer.Servant

_get_delegate, _get_interface_def, _is_a, _non_existent, _object_id, _orb, _poa, _set_delegate, _this_object, _this_object

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EventChannelImpl

public EventChannelImpl(ORB orb,
                POA poa)

EventChannel constructor.

Method Detail

destroy

public void destroy()

Destroy all objects which are managed by the POA.

for_consumers

public ConsumerAdmin for_consumers()

Return the consumerAdmin interface

for_suppliers

public SupplierAdmin for_suppliers()

Return the supplierAdmin interface

obtain_pull_consumer

public ProxyPullConsumer obtain_pull_consumer()

Return a ProxyPullConsumer reference to be used to connect to a PullSupplier.

obtain_pull_supplier

public ProxyPullSupplier obtain_pull_supplier()

Return a ProxyPullSupplier reference to be used to connect to a PullConsumer.

obtain_push_consumer

public ProxyPushConsumer obtain_push_consumer()

Return a ProxyPushConsumer reference to be used to connect to a PushSupplier.

obtain_push_supplier

public ProxyPushSupplier obtain_push_supplier()

Return a ProxyPushSupplier reference to be used to connect to a PushConsumer.

push_event

protected void push_event(Any event)

Send event to all registered consumers.

main

public static void main(String[] args)

_default_POA

public POA _default_POA()

Override this method from the Servant baseclass. Fintan Bolton in his book "Pure CORBA" suggests that you override this method to avoid the risk that a servant object (like this one) could be activated by the wrong POA object.

Overrides:

_default_POA in class Servant