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Re: [equinox-dev] Declarative Services within RCP Applications

Well spotted Dennis. However the dependency on util is not indirect,
it is a straightforward direct dependency. And util does not need to
be started, it just needs to be present and resolved.

Priyanka, could you show us the output of the "ss" command in the OSGi console?

Note that in general, integrating Eclipse Extensions and OSGi Services
(whether DS or otherwise) is a hard problem because of the lifecycle
mismatch and the semantic differences between extensions and services.

Regards,
Neil

On Fri, Feb 6, 2009 at 11:23 AM, O'Flynn, Dennis
<Dennis.OFlynn@xxxxxxxxxxxxx> wrote:
> I'm under the assumption that equinox.ds has an indirect dependency upon equinox.util.  Try starting equinox.util before equinos.ds.
>
> I use the following startup order in my RCP app's config.ini:
>
> osgi.bundles=...\
>   org.eclipse.equinox.util@2:start, \
>   org.eclipse.equinox.ds@2:start, \
>   ...
>
>
>
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> From: equinox-dev-bounces@xxxxxxxxxxx [mailto:equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Mitra, Priyanka
> Sent: Thursday, February 05, 2009 5:47 PM
> To: equinox-dev@xxxxxxxxxxx
> Subject: [equinox-dev] Declarative Services within RCP Applications
>
> Ben,
>
> Thanx for your input. I do have the org.eclipse.equinox.ds in config.ini file. This is my config.ini file. All the custom bundles start at level 5. In the Run Configuration->Configuration tab, "Use an existing config.ini as a template" is checked in and "Use default location" is checked in. Still the bundles are not starting when launched in eclipse application.
>
> #Configuration File
> #Thu Feb 05 13:57:13 PST 2009
> osgi.bundles=org.eclipse.osgi.services_3.1.200.v20071203.jar@start, \
>                org.eclipse.equinox.ds_1.0.0.v20080427-0830.jar@2:start, \
>                org.eclipse.core.runtime.compatibility.registry_3.2.200.v20080610, \
>                org.eclipse.ui.workbench_3.4.1.M20080827-0800a.jar@start, \
>                org.eclipse.equinox.transforms.hook_1.0.0.v20080610.jar, \
>                org.eclipse.core.jobs_3.4.0.v20080512.jar@start, \
>                org.eclipse.swt_3.4.1.v3449c.jar@start, \
>                org.eclipse.core.databinding_1.1.1.M20080827-0800b.jar@start, \
>                org.eclipse.core.contenttype_3.3.0.v20080604-1400.jar@start, \
>                com.ibm.icu_3.8.1.v20080530.jar@start, \
>                org.eclipse.core.commands_3.4.0.I20080509-2000.jar@start, \
>                org.eclipse.core.runtime_3.4.0.v20080512.jar@start, \
>                org.eclipse.equinox.registry_3.4.0.v20080516-0950.jar@start, \
>                org.eclipse.equinox.common_3.4.0.v20080421-2006.jar@start, \
>                org.eclipse.core.expressions_3.4.0.v20080603-2000.jar@start, \
>                org.eclipse.ui_3.4.1.M20080910-0800.jar@start, \
>                org.eclipse.equinox.util_1.0.0.v20080414.jar@start, \
>                org.eclipse.core.runtime.compatibility.auth_3.2.100.v20070502.jar@start, \
>                org.eclipse.equinox.preferences_3.2.201.R34x_v20080709.jar@start, \
>                org.eclipse.swt.gtk.linux.x86_3.4.1.v3449c.jar, \
>                org.eclipse.jface.databinding_1.2.1.M20080827-0800a.jar@start, \
>                org.eclipse.jface_3.4.1.M20080827-2000.jar@start, \
>                org.eclipse.equinox.app_1.1.0.v20080421-2006.jar@start, \
>                org.eclipse.help_3.3.101.v20080702_34x.jar@start, \
>                javax.servlet_2.4.0.v200806031604.jar@start
>                MyHello@5:start, \
>                JMSImporter@5:start, \
>                com.etrade.common3@5:start, \
>                com.etrade.tops.jms@5:start, \
> osgi.bundles.defaultStartLevel=4
> osgi.install.area=file\:/etrade/home/pmitra/eclipse
> osgi.framework=file\:/etrade/home/pmitra/eclipse/plugins/org.eclipse.osgi_3.4.2.R34x_v20080826-1230.jar
> osgi.configuration.cascaded=false
>
> Regards
> Priyanka
>
> -----Original Message-----
> From: equinox-dev-bounces@xxxxxxxxxxx [mailto:equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of equinox-dev-request@xxxxxxxxxxx
> Sent: Thursday, February 05, 2009 5:08 AM
> To: equinox-dev@xxxxxxxxxxx
> Subject: equinox-dev Digest, Vol 46, Issue 5
>
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> Today's Topics:
>
>   1. Declarative Services within RCP Applications (Mitra, Priyanka)
>   2. Re: Declarative Services within RCP Applications (Benjamin CAB?)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 4 Feb 2009 18:48:04 -0500
> From: "Mitra, Priyanka" <priyanka.mitra@xxxxxxxxxx>
> Subject: [equinox-dev] Declarative Services within RCP Applications
> To: <equinox-dev@xxxxxxxxxxx>
> Message-ID:
>        <6B657591B767A94AA6170DEF5D8B5BB7016EFDFB@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello
>
> I am not very clear how to use declaratively declarative services from RCP Application. I have a main container that other plugins that contribute to UI. In one of the plugin, I have a view that has to subscribe to a JMS service, the implementation of which is declared as a service in another bundle.
> I am able to run this using "Run As -> OSGI Framework". The subscription takes place without any problems. But when run as Eclipse Application, osgi console comes up and then immediately shuts down and then my RCP Application comes up. The subscription to JMS service fails as there is no reference available. In fact it almost seems like the DS bundle for JMS is not loaded or installed at the runtime of RCP App. Am I missing something in the run configuration? Why the service bundle is not getting installed when RCP app comes up?
>
> This is my service bundle: Subscription implementation is in JMSConnection.
>
> <?xml version="1.0"?>
> <component name="jmsService">
>        <implementation class="com.....JMSConnection"/>
>        <service>
>                <provide interface="com......IMessageService"/>
>        </service>
> </component>
>
> This is the call from consumer bundle. This bundle also contributes to UI..
>
> <?xml version="1.0"?>
> <component name="jmsconn">
>        <implementation
> class="tops.order.trade.mgmt.ui.views.AlertsView"/>
>        <reference name="jmsService"
>        interface="com......IMessageService"
>        bind="setService"
>        unbind="unsetService"
>        cardinality="0..1"
>        policy="dynamic"/>
> </component>
>
> AlertsView.java
>
> public class AlertsView extends ViewPart implements IMessageHandler {
>
>        private IMessageService jmsService = null;
>
>        public void createPartControl(Composite parent) {
>                .............. // some UI code
>
>                openJMSConnection(topic, mapper, handler);
>        }
>        /* (non-Javadoc)
>         */
>        public void setService(IMessageService jmsService) {
>                System.out.println("Setting up JMS Service Instance");
>            this.jmsService = jmsService;
>            openJMSConnection("", new AlertsMessageMapper(), this);
>        }
>        /* (non-Javadoc)
>         */
>        public void unsetService(IMessageService jmsService) {
>            this.jmsService = null;
>        }
>
>        public void openJMSConnection (String topic, IMessageMapper mapper, IMessageHandler handler)
>        {
>            if (this.jmsService != null) {
>                System.out.println("Service not null");
>                jmsService.subscribeService(topic, mapper, handler);
>            }
>            else
>                System.out.println("Service is null");
>        }
>
> Can anyone suggest what is the best way to mix the use of extensions and services at the same time within RCP Application. I appreciate your attention on this matter.
>
> Regards..
> Priyanka
>
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> ------------------------------
>
> Message: 2
> Date: Thu, 05 Feb 2009 14:07:55 +0100
> From: Benjamin CAB? <benjamin.cabe@xxxxxxxxxxxxxxxx>
> Subject: Re: [equinox-dev] Declarative Services within RCP
>        Applications
> To: Equinox development mailing list <equinox-dev@xxxxxxxxxxx>
> Message-ID: <498AE4AB.6010403@xxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Mitra,
>
> The org.eclipse.equinox.ds bundle must always be started; hence you need to either use a custom config.ini which should look like
>    osgi.bundles=org.eclipse.equinox.ds@2:start
> or use Eclipse 3.5 M5 to be able to set the DS bundle to autostart using the new Eclipse launch configuration dialog...
>
> On a side note, adding -Dequinox.ds.print=true to the VM args of your launch configuration may be useful to have traces about components activation, deactivation, etc.
>
> Cheers,
> Ben
> Anyware Technologies <http://www.anyware-tech.com>
> *Benjamin CabÃ*
> Expert Eclipse
> benjamin.cabe@xxxxxxxxxxxxxxxx <mailto:benjamin.cabe@xxxxxxxxxxxxxxxx>
> *http://blog.benjamin-cabe.com*
> Tel : +33(0)5 61 00 06 41
> Fax : +33(0)5 61 00 51 46
>
> *Nouvelle adresse
> *
>
> ------------------------------------------------------------------------
> *Anyware Technologies
> * Lake Park
> ZAC de l'Hers - AllÃe du Lac
> BP 87216
> 31672 LabÃge Cedex
> France
> www.anyware-tech.com <http://www.anyware-tech.com>
>
>
>
> Mitra, Priyanka a Ãcrit :
>>
>> Hello
>>
>> I am not very clear how to use declaratively declarative services from
>> RCP Application. I have a main container that other plugins that
>> contribute to UI. In one of the plugin, I have a view that has to
>> subscribe to a JMS service, the implementation of which is declared as
>> a service in another bundle.
>>
>> I am able to run this using "Run As -> OSGI Framework". The
>> subscription takes place without any problems. But when run as Eclipse
>> Application, osgi console comes up and then immediately shuts down and
>> then my RCP Application comes up. The subscription to JMS service
>> fails as there is no reference available. In fact it almost seems like
>> the DS bundle for JMS is not loaded or installed at the runtime of RCP
>> App. Am I missing something in the run configuration? Why the service
>> bundle is not getting installed when RCP app comes up?
>>
>> This is my service bundle: Subscription implementation is in
>> JMSConnection.
>>
>> <?xml version="1.0"?>
>> <component name="jmsService">
>>         <implementation class="com.....JMSConnection"/>
>>         <service>
>>                 <provide interface="com......IMessageService"/>
>>         </service>
>> </component>
>>
>> This is the call from consumer bundle. This bundle also contributes to
>> UI..
>>
>> <?xml version="1.0"?>
>> <component name="jmsconn">
>>         <implementation
>> class="tops.order.trade.mgmt.ui.views.AlertsView"/>
>>         <reference name="jmsService"
>>         interface="com......IMessageService"
>>         bind="setService"
>>         unbind="unsetService"
>>         cardinality="0..1"
>>         policy="dynamic"/>
>> </component>
>>
>> AlertsView.java
>>
>> public class AlertsView extends ViewPart implements IMessageHandler {
>>
>>         private IMessageService jmsService = null;
>>
>>         public void createPartControl(Composite parent) {
>>                 .............. // some UI code
>>
>>                 openJMSConnection(topic, mapper, handler);
>>         }
>>         /* (non-Javadoc)
>>          */
>>         public void setService(IMessageService jmsService) {
>>                 System.out.println("Setting up JMS Service Instance");
>>             this.jmsService = jmsService;
>>             openJMSConnection("", new AlertsMessageMapper(), this);
>>         }
>>         /* (non-Javadoc)
>>          */
>>         public void unsetService(IMessageService jmsService) {
>>             this.jmsService = null;
>>         }
>>
>>         public void openJMSConnection (String topic, IMessageMapper
>> mapper, IMessageHandler handler)
>>         {
>>             if (this.jmsService != null) {
>>                 System.out.println("Service not null");
>>                 jmsService.subscribeService(topic, mapper, handler);
>>             }
>>             else
>>                 System.out.println("Service is null");
>>         }
>>
>> Can anyone suggest what is the best way to mix the use of extensions
>> and services at the same time within RCP Application. I appreciate
>> your attention on this matter.
>>
>> Regards..
>> Priyanka
>>
>> ----------------------------------------------------------------------
>> --
>>
>> _______________________________________________
>> equinox-dev mailing list
>> equinox-dev@xxxxxxxxxxx
>> https://dev.eclipse.org/mailman/listinfo/equinox-dev
>>
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