Difference between revisions of "IS-Notification"

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(→‎How to configure clients running outside the gCore container)
(→‎How to configure clients running outside the gCore container)
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To register a Topic outside a gCore cotnainer this library requires 2 steps of configuration:
 
To register a Topic outside a gCore cotnainer this library requires 2 steps of configuration:
  
−
* modify the file $GLOBUS_LOCATION/etc/globus_wsrf_core/client-server-config.wsdd adding in the '''globalConfiguration''' session the parameter hostname
+
* modify the file $GLOBUS_LOCATION/etc/globus_wsrf_core/client-server-config.wsdd adding in the '''globalConfiguration''' session the parameter '''logicalHost'''
 
<source lang="xml">
 
<source lang="xml">
 
     ...
 
     ...
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         <parameter name="containerThreads" value="1"/>
 
         <parameter name="containerThreads" value="1"/>
 
         <parameter name="containerThreadsMax" value="3"/>
 
         <parameter name="containerThreadsMax" value="3"/>
−
         <parameter name="hostname" value="yourhost"/>  
+
          
−
         <parameter name="sendXsiTypes" value="true"/>
+
        <!-- add the following line -->  
 +
         <parameter name="logicalHost" value="yourhost"/>  
  
−
         <!-- Authentication service -->
+
         <parameter name="sendXsiTypes" value="true"/>
 
         <parameter name="authenticationService"
 
         <parameter name="authenticationService"
 
                 value="gsi/AuthenticationService"/>
 
                 value="gsi/AuthenticationService"/>
 
     ...
 
     ...
 +
</source>
 +
 +
* start the client setting the '''GLOBUS_LOCATION''' system property
 +
<source>
 +
        java '''-DGLOBUS_LOCATION=$GLOBUS_LOCATION''' RegistrationTest 
 
</source>
 
</source>
  
 
=== Examples ===
 
=== Examples ===

Revision as of 16:01, 9 September 2010

Design

The IS-Notification is a library that provides a subscription/notification mechanism based on Remote Events. This library helps the clients to interact with the Notifier Service and allows:

  • for a Client or a Service (Subscriber) to subscribe for a Topic and receiving notifications
  • for a Service (producer) to register its own topic and sending notification.

Interface

  • public <T extends BaseNotificationConsumer> void registerToISNotification(T consumer,List<GCUBENotificationTopic> notifications, GCUBESecurityManager manager, GCUBEScope ... scope) throws ISNotifierException – this method registers a entity of type T (consumer) for a list of GCUBENotificationTopic in selected Scopes (scope) with a GCUBESecurityManager (manager) in the IS-Notifier;
  • public void unregisterFromISNotification( GCUBESecurityManager manager, List<GCUBENotificationTopic> notifications, GCUBEScope ... scope) throws ISNotifierException – this method unregisters the consumer for a list of GCUBENotificationTopic from the IS-Notifier in the selected scopes (scope) with a GCUBESecurityManager (manager);
  • public void registerISNotification (EndpointReferenceType producerEPR, List<? extends Topic> notifications, GCUBESecurityManager manager, GCUBEScope ... scope) throws ISNotifierException – this method registers the reference to a resource (producerEPR) that produces a list of topics (notifications) in the IS-Notifier in the selected scopes (scope) with a GCUBESecurityManager (manager);
  • public void unregisterISNotification (EndpointReferenceType producerEPR, List<? extends Topic> notifications, GCUBESecurityManager manager, GCUBEScope ... scope) throws ISNotifierException – this method unregister the reference to a resource (producerEPR) for a list of topics (notifications) in the IS-Notifier in the selected scopes (scope) with a GCUBESecurityManager (manager);
  • public boolean[] isTopicRegistered(GCUBESecurityManager securityManager, GCUBEScope scope, List<TopicData> topics) throws ISNotifierException - this methods checks if a topic (topic) registration is completed or not for a producer (producerEpr) in the IS-Notifier in the selected scopes (scope) with a GCUBESecurityManager (manager);

New Features

From version 1.4 this library contains new features:

  • the possibility to register for a client running outside a gcore container;
  • the possibility to register to a Topic specifying a 'precodition'. The 'precodition' is represented by an XPath specified at Topic creation time an evaluated producer-side. This feature reduces the number of messages exchanged between producer and consumer.

How to configure clients running outside the gCore container

To register a Topic outside a gCore cotnainer this library requires 2 steps of configuration:

  • modify the file $GLOBUS_LOCATION/etc/globus_wsrf_core/client-server-config.wsdd adding in the globalConfiguration session the parameter logicalHost
     ...
<globalConfiguration>
        <parameter name="containerThreads" value="1"/>
        <parameter name="containerThreadsMax" value="3"/>
 
         <!-- add the following line --> 
        <parameter name="logicalHost" value="yourhost"/> 
 
        <parameter name="sendXsiTypes" value="true"/>
        <parameter name="authenticationService"
                value="gsi/AuthenticationService"/>
     ...
  • start the client setting the GLOBUS_LOCATION system property

Invalid language.

You need to specify a language like this: <source lang="html4strict">...</source>

Supported languages for syntax highlighting:

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        java '''-DGLOBUS_LOCATION=$GLOBUS_LOCATION''' RegistrationTest

Examples

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