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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE erlref SYSTEM "erlref.dtd">
<erlref>
<header>
<copyright>
<year>2000</year>
<year>2013</year>
<holder>Ericsson AB, All Rights Reserved</holder>
</copyright>
<legalnotice>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
The Initial Developer of the Original Code is Ericsson AB.
</legalnotice>
<title>CosNotifyChannelAdmin_SequenceProxyPullSupplier</title>
<prepared></prepared>
<responsible></responsible>
<docno></docno>
<approved></approved>
<checked></checked>
<date>2000-02-01</date>
<rev>1.0</rev>
</header>
<module>CosNotifyChannelAdmin_SequenceProxyPullSupplier</module>
<modulesummary>This module implements the OMG CosNotifyChannelAdmin::SequenceProxyPullSupplier interface.</modulesummary>
<description>
<p>To get access to the record definitions for the structures use: <br></br>
<c>-include_lib("cosNotification/include/*.hrl").</c></p>
<p>This module also exports the functions described in:</p>
<list type="bulleted">
<item>
<p><seealso marker="CosNotifyComm_NotifySubscribe">CosNotifyComm_NotifySubscribe</seealso></p>
</item>
<item>
<p><seealso marker="CosNotification_QoSAdmin">CosNotification_QoSAdmin</seealso></p>
</item>
<item>
<p><seealso marker="CosNotifyFilter_FilterAdmin">CosNotifyFilter_FilterAdmin</seealso></p>
</item>
<item>
<p><seealso marker="CosNotifyChannelAdmin_ProxySupplier">CosNotifyChannelAdmin_ProxySupplier</seealso></p>
</item>
</list>
</description>
<funcs>
<func>
<name>connect_sequence_pull_consumer(SequenceProxyPullSupplier, PullConsumer) -> Reply</name>
<fsummary>Connect a consumer to the proxy</fsummary>
<type>
<v>SequenceProxyPullSupplier = #objref</v>
<v>PullConsumer = #objref</v>
<v>Reply = ok | {'EXCEPTION', #'CosEventChannelAdmin_AlreadyConnected'{}}</v>
</type>
<desc>
<p>This operation connects a <c>PullConsumer</c> to the target object. If a connection
already exists an exception is raised.</p>
</desc>
</func>
<func>
<name>pull_structured_events(SequenceProxyPullSupplier, MaxEvents) -> Reply</name>
<fsummary>Pull structured events from the proxy</fsummary>
<type>
<v>SequenceProxyPullSupplier = #objref</v>
<v>MaxEvents = long()</v>
<v>Reply = EventBatch | {'EXCEPTION', #'CosEventChannelAdmin_Disconnected'{}}</v>
<v>EventBatch = [StructuredEvent]</v>
<v>StructuredEvent = #'CosNotification_StructuredEvent'{header, filterable_data, remainder_of_body}</v>
<v>header = EventHeader</v>
<v>filterable_data = [#'CosNotification_Property'{name, value}]</v>
<v>name = string()</v>
<v>value = #any</v>
<v>remainder_of_body = #any</v>
<v>EventHeader = #'CosNotification_EventHeader'{fixed_header, variable_header}</v>
<v>fixed_header = FixedEventHeader</v>
<v>variable_header = OptionalHeaderFields</v>
<v>FixedEventHeader = #'CosNotification_FixedEventHeader'{event_type, event_name}</v>
<v>event_type = EventType</v>
<v>event_name = string()</v>
<v>EventType = #'CosNotification_EventType'{domain_name, type_name}</v>
<v>domain_name = type_name = string()</v>
<v>OptionalHeaderFields = [#'CosNotification_Property'{name, value}]</v>
</type>
<desc>
<p>A client use this operation to pull next event sequence of maximum length
<c>MaxEvents</c>. This operation is blocking and will not reply until the
requested amount of events can be delivered or the QoS property <c>PacingInterval</c>
is reached. For more information see the <c>User's Guide</c>.</p>
</desc>
</func>
<func>
<name>try_pull_structured_events(SequenceProxyPullSupplier, MaxEvents) -> Reply</name>
<fsummary>Try to pull structured events from the proxy</fsummary>
<type>
<v>SequenceProxyPullSupplier = #objref</v>
<v>MaxEvents = long()</v>
<v>Reply = {EventBatch, HasEvent} | {'EXCEPTION', #'CosEventChannelAdmin_Disconnected'{}}</v>
<v>HasEvent = boolean()</v>
<v>EventBatch = [StructuredEvent]</v>
<v>StructuredEvent = #'CosNotification_StructuredEvent'{header, filterable_data, remainder_of_body}</v>
<v>header = EventHeader</v>
<v>filterable_data = [#'CosNotification_Property'{name, value}]</v>
<v>name = string()</v>
<v>value = #any</v>
<v>remainder_of_body = #any</v>
<v>EventHeader = #'CosNotification_EventHeader'{fixed_header, variable_header}</v>
<v>fixed_header = FixedEventHeader</v>
<v>variable_header = OptionalHeaderFields</v>
<v>FixedEventHeader = #'CosNotification_FixedEventHeader'{event_type, event_name}</v>
<v>event_type = EventType</v>
<v>event_name = string()</v>
<v>EventType = #'CosNotification_EventType'{domain_name, type_name}</v>
<v>domain_name = type_name = string()</v>
<v>OptionalHeaderFields = [#'CosNotification_Property'{name, value}]</v>
</type>
<desc>
<p>This operation pulls an event sequence of the maximum length <c>MaxEvents</c>,
but do not block if the target object have no events to forward. The outparameter,
<c>HasEvent</c> is true if the sequence contain any events.</p>
</desc>
</func>
<func>
<name>disconnect_sequence_pull_supplier(SequenceProxyPullSupplier) -> ok</name>
<fsummary>Close the connection and terminate the proxy</fsummary>
<type>
<v>SequenceProxyPullSupplier = #objref</v>
</type>
<desc>
<p>This operation cause the target object to close the connection and terminate.</p>
</desc>
</func>
</funcs>
</erlref>
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