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author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
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committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/cosEvent/doc/src/CosEventChannelAdmin.xml | |
download | otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2 otp-84adefa331c4159d432d22840663c38f155cd4c1.zip |
The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/cosEvent/doc/src/CosEventChannelAdmin.xml')
-rw-r--r-- | lib/cosEvent/doc/src/CosEventChannelAdmin.xml | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/cosEvent/doc/src/CosEventChannelAdmin.xml b/lib/cosEvent/doc/src/CosEventChannelAdmin.xml new file mode 100644 index 0000000000..25f2dc805b --- /dev/null +++ b/lib/cosEvent/doc/src/CosEventChannelAdmin.xml @@ -0,0 +1,81 @@ +<?xml version="1.0" encoding="latin1" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>1997</year> + <year>2007</year> + <holder>Ericsson AB, All Rights Reserved</holder> + </copyright> + <legalnotice> + The contents of this file are subject to the Erlang Public License, + Version 1.1, (the "License"); you may not use this file except in + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + + The Initial Developer of the Original Code is Ericsson AB. + </legalnotice> + + <title>CosEventChannelAdmin</title> + <prepared></prepared> + <responsible></responsible> + <docno></docno> + <approved></approved> + <checked></checked> + <date>1997-11-13</date> + <rev>PA1</rev> + <file>CosEventChannelAdmin.xml</file> + </header> + <module>CosEventChannelAdmin</module> + <modulesummary>The CosEventChannelAdmin defines a set if event service interfaces that enables decoupled asynchronous communication between objects and implements generic (untyped) version of the OMG COSS standard event service.</modulesummary> + <description> + <p>The event service defines two roles for objects: the supplier role and + the consumer role. Suppliers supply event data to the event channel and + consumers receive event data from the channel. Suppliers do not need to + know the identity of the consumers, and vice versa. Consumers and + suppliers are connected to the event channel via proxies, which are managed + by ConsumerAdmin and SupplierAdmin objects.</p> + <p>There are four general models of communication. These are: </p> + <list type="bulleted"> + <item>The canonical push model. It allows the suppliers of events to initiate the + transfer of event data to consumers. Event channels play the role of + <c><![CDATA[Notifier]]></c>. Active suppliers use event channel to push data to + passive consumers registered with the event channel.</item> + <item>The canonical pull model. It allows consumers to request events from + suppliers. Event channels play the role of <c><![CDATA[Procure]]></c> since they + procure events on behalf of consumers. Active consumers can explicitly + pull data from passive suppliers via the event channels.</item> + <item>The hybrid push/pull model. It allows consumers request events queued at + a channel by suppliers. Event channels play the role of <c><![CDATA[Queue]]></c>. + Active consumers explicitly pull data deposited by active suppliers via + the event channels.</item> + <item>The hybrid pull/push model. It allows the channel to pull events from + suppliers and push them to consumers. Event channels play the role of + <c><![CDATA[Intelligent agent]]></c>. Active event channels can pull data from + passive suppliers to push it to passive consumers.</item> + </list> + <p>To get access to all definitions, e.g., exceptions, + include necessary <c><![CDATA[hrl]]></c> files by using:<br></br><c><![CDATA[-include_lib("cosEvent/include/*.hrl").]]></c></p> + <p>There are seven different interfaces supported in the service:</p> + <list type="bulleted"> + <item>ProxyPushConsumer</item> + <item>ProxyPullSupplier</item> + <item>ProxyPullConsumer</item> + <item>ProxyPushSupplier</item> + <item>ConsumerAdmin</item> + <item>SupplierAdmin</item> + <item>EventChannel</item> + </list> + <p>IDL specification for CosEventChannelAdmin:</p> + <codeinclude file="../../src/CosEventChannelAdmin.idl" tag="" type="c"></codeinclude> + </description> + +</erlref> + |