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Date: Mon, 20 Dec 2010 20:26:15 +0100
Message-ID: <AANLkTinAjeZJOYERSR6DnyasGHGn8mFLpSS4u1k92urn@mail.gmail.com>
Subject: Re: Managed Properties question
From: Guillaume Nodet <gnodet@gmail.com>
To: user@karaf.apache.org
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Or use a cm:property-placeholder in combination with the reload flag
to reload the app if the config change, that's what i used inside
karaf, see:
  http://svn.apache.org/repos/asf/karaf/trunk/shell/ssh/src/main/resources/=
OSGI-INF/blueprint/shell-ssh.xml

2010/12/20 =A3ukasz Dywicki <luke@code-house.org>:
> If you try to do managed component your configuration property name must
> match field name, otherwise container will not update your bean. Both
> spring-dm and aries blueprint works same. In your example the property na=
med
> integer have to use placeholder ${integer}. If you would like to use
> different names you need to manage changes in bean (set strategy to bean
> managed and callback method).
>
> Best regards,
> Lukasz
>
> -----Original Message-----
> From: Achim Nierbeck [mailto:bcanhome@googlemail.com]
> Sent: Monday, December 20, 2010 6:00 PM
> To: user@karaf.apache.org
> Subject: Re: Managed Properties question
>
> OK, another try
>
> <bean id=3D"containerManaged" class=3D"ContainerManagedBean">
> =A0 <osgix:managed-properties persistent-id=3D"labX"
> update-strategy=3D"container-managed"/>
> =A0 <property name=3D"integer" value=3D"23"/>
> </bean>
>
> this is the official example :)
>
> I think the property (named integer here) is optional. Usually all
> properties which can be read through getter and setter can be set by
> the configuration.
>
> So your problem is that you try to inject properties within another prope=
rty
>
> <property name=3D"hibernateProperties">
> =A0 <props>
> =A0 =A0<prop key=3D"hibernate.show_sql">${myAppDbShowSql}</prop>
> =A0 =A0<prop key=3D"hibernate.format_sql">${myAppDbFormatSql}</prop>
> =A0 </props>
> =A0</property>
>
> All your properties you want to update need to be accessible via
> getter and setter.
> If you want to do this you need to make an extra bean which is
> configurable (with the same pid)
> and inject that one after it is initialized. you may want to make your
> standard bean dependend on the "new" bean.
>
> 2010/12/20 karafman <mvangeertruy@comcast.net>
>>
>> It still isn't working.
>>
>> Here's an excerpt of my .cfg file (none of the names in the file have an=
y
>> characters other than [a-z, A-Z]:
>> myAppDbShowSql =3D false
>> myAppDbFormatSql =3D false
>>
>> In the file where I get my service I have:
>> <osgix:cm-properties id=3D"myAppDatabaseProperties"
>> persistent-id=3D"myApp.data.access"/>
>> ctx:property-placeholder properties-ref=3D"myAppDatabaseProperties"/>
>>
>> In the file where I am using the managed service I have (unnecessary bit=
s
>> removed):
>> <bean id=3D"myAppSessionFactory"
>> class=3D"org.springframework.orm.hibernate3.LocalSessionFactoryBean"
>> p:dataSource-ref=3D"myAppPoolDataSource">
>> =A0<osgix:managedProperties persistent-id=3D"myApp.data.access"
>> update-strategy=3D"container-managed"/>
>> =A0<property name=3D"mappingResources">
>> =A0 <list>hibernate valies</list>
>> =A0</property>
>> =A0<property name=3D"hibernateProperties">
>> =A0 =A0<props>
>> =A0 =A0 <prop key=3D"hibernate.show_sql">${myAppDbShowSql}</prop>
>> =A0 =A0 <prop key=3D"hibernate.format_sql">${myAppDbFormatSql}</prop>
>> =A0 =A0</props>
>> =A0 </property>
>> </bean>
>>
>> When I change the values in my .cfg file, I can see those changes being
>> populated by doing a config:list.
>>
>> However, I get the following error in my log:
>> Configuration for myApp.data.access has already been used for service
>> [org.osgi.service.cm.ManagedService, id=3D127, bundle=3D89] and will be =
also
>> given to [org.osgi.service.cm.ManagedService, id=3D128, bundle=3D89]
>>
>> When I restart bundle 89, the properties are properly consumed.
>>
>> Anyone know what's going wrong?
>>
>>
>> -----
>> Karafman
>> Slayer of the JEE
>> Pounder of the Perl Programmer
>>
>> --
>> View this message in context:
> http://karaf.922171.n3.nabble.com/Managed-Properties-question-tp2107407p2=
121
> 172.html
>> Sent from the Karaf - User mailing list archive at Nabble.com.
>
>


--=20
Cheers,
Guillaume Nodet
------------------------
Blog: http://gnodet.blogspot.com/
------------------------
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