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cosEvent
Reference Manual
Version 2.2

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Table of Contents

- cosEventApp
  - Top of manual page
  - install/0
  - uninstall/0
  - start/0
  - stop/0
  - start_channel/0
  - start_channel/1
  - start_channel_link/0
  - start_channel_link/1
  - stop_channel/1
- CosEventChannelAdmin
- CosEventChannelAdmin_ConsumerAdmin
  - Top of manual page
  - obtain_push_supplier/1
  - obtain_pull_supplier/1
- CosEventChannelAdmin_SupplierAdmin
  - Top of manual page
  - obtain_push_consumer/1
  - obtain_pull_consumer/1
- CosEventChannelAdmin_EventChannel
  - Top of manual page
  - for_consumers/1
  - for_suppliers/1
  - destroy/1
- CosEventChannelAdmin_ProxyPullConsumer
  - Top of manual page
  - connect_pull_supplier/2
  - disconnect_pull_consumer/1
- CosEventChannelAdmin_ProxyPushConsumer
  - Top of manual page
  - connect_push_supplier/2
  - disconnect_push_consumer/1
  - push/2
- CosEventChannelAdmin_ProxyPullSupplier
  - Top of manual page
  - connect_pull_consumer/2
  - disconnect_pull_supplier/1
  - pull/1
  - try_pull/1
- CosEventChannelAdmin_ProxyPushSupplier
  - Top of manual page
  - connect_push_consumer/2
  - disconnect_push_supplier/1

# CosEventChannelAdmin_ProxyPullConsumer

### MODULE

CosEventChannelAdmin_ProxyPullConsumer

### MODULE SUMMARY

This module implements a ProxyPullConsumer interface which acts as a middleman between pull supplier and the event channel.

### DESCRIPTION

The ProxyPullConsumer interface defines the second step for connecting pull suppliers to the event channel. A proxy consumer is similar to a normal consumer, but includes an additional method for connecting a supplier to the proxy consumer.

To get access to all definitions, e.g., exceptions, include necessary hrl files by using:
-include_lib("cosEvent/include/*.hrl").

Any object that possesses an object reference that supports the ProxyPullConsumer interface can perform the following operations:

### EXPORTS

connect_pull_supplier(Object, PullSupplier) -> Return

Types:

Object = #objref
PullSupplier = #objref of PullSupplier type
Return = ok | {'EXCEPTION', E}
E = #'CosEventChannelAdmin_AlreadyConnected'{} | #'CosEventChannelAdmin_TypeError'{}

This operation connects PullSupplier object to the ProxyPullConsumer object. If a nil object reference is passed CORBA standard BAD_PARAM exception is raised. If the ProxyPullConsumer is already connected to a PullSupplier, then the CosEventChannelAdmin_AlreadyConnected exception is raised. Implementations of ProxyPullConsumers may require additional interface functionality; if these requirements are not met the CosEventChannelAdmin_TypeError exception will be raised.

disconnect_pull_consumer(Object) -> Return

Types:

Object = #objref
Return = ok

This operation disconnects proxy pull consumer from the event channel and sends a notification about the loss of the connection to the pull supplier attached to it.