Sorry for the delayed response.
On Fri, May 6, 2016 at 7:53 PM, Manuranga Perera <m...@wso2.com> wrote:
> Object propertyValue = carbonContext.getProperty("PROPERTY_KEY");
>
>
> What kind of values will be available, can you please give an example?
>
This API is added to pass contextual information along the thread. There
are some existing use-cases with C4. For example, we previously used axis2
API's (eg - Message Context) for this purpose to store and retrieve
properties (mostly objects such as current request) that are used later in
the execution flow.
> On Fri, May 6, 2016 at 6:28 AM, Kishanthan Thangarajah <
> kishant...@wso2.com> wrote:
>
>> CarbonContext is the API to store and retrieve data which are thread
>> local.
>>
>> - There are two API classes, CarbonContext [1]
>> and PrivilegedCarbonContext [2].
>> - CarbonContext (CC) is the ReadOnly API, which is basically the user
>> level API and PrivilegedCarbonContext will be the ReadWrite API which is
>> secured using java security permission.
>> - From CarbonContext, a user can get the "Principal", which is the
>> currently logged-in users' JAAS principal for authorization.
>> - CarbonContext API also has the ability to set and get properties,
>> which is to support setting any properties that can be later used within a
>> thread execution flow.
>>
>>
>> *Retrieving Tenant Information*
>> In C5 based products, a server instance will be dedicated to a tenant.
>> From the CarbonContext API, a user can get the tenant name to which the
>> server is bound to. There will not be any setter API for setting tenant
>> name as we will read the tenant name from either carbon.yml configuration
>> file [3] or from a system/environment variable.
>>
>> *Usage*
>> CarbonContext carbonContext = CarbonContext.getCurrentContext();
>> String tenant = carbonContext.getTenant();
>> Principal principal = carbonContext.getUserPrincipal();
>> Object propertyValue = carbonContext.getProperty("PROPERTY_KEY");
>>
>> PrivilegedCarbonContext privilegedCarbonContext =
>> PrivilegedCarbonContext.getCurrentContext();
>> privilegedCarbonContext.setUserPrincipal(userPrincipal);
>> privilegedCarbonContext.setProperty("PROPERTY_KEY", propertyValue);
>>
>> Thanks,
>> Kishanthan.
>> [1]
>> https://github.com/wso2/carbon-kernel/blob/master/core/src/main/java/org/wso2/carbon/kernel/context/CarbonContext.java
>> [2]
>> https://github.com/wso2/carbon-kernel/blob/master/core/src/main/java/org/wso2/carbon/kernel/context/PrivilegedCarbonContext.java
>> [3]
>> https://github.com/wso2/carbon-kernel/blob/master/features/org.wso2.carbon.kernel.feature/resources/conf/carbon.yml#L20
>>
>> --
>> *Kishanthan Thangarajah*
>> Associate Technical Lead,
>> Platform Technologies Team,
>> WSO2, Inc.
>> lean.enterprise.middleware
>>
>> Mobile - +94773426635
>> Blog - *http://kishanthan.wordpress.com
>> <http://kishanthan.wordpress.com>*
>> Twitter - *http://twitter.com/kishanthan <http://twitter.com/kishanthan>*
>>
>> _______________________________________________
>> Architecture mailing list
>> Architecture@wso2.org
>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>>
>>
>
>
> --
> With regards,
> *Manu*ranga Perera.
>
> phone : 071 7 70 20 50
> mail : m...@wso2.com
>
> _______________________________________________
> Architecture mailing list
> Architecture@wso2.org
> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>
>
--
*Kishanthan Thangarajah*
Associate Technical Lead,
Platform Technologies Team,
WSO2, Inc.
lean.enterprise.middleware
Mobile - +94773426635
Blog - *http://kishanthan.wordpress.com <http://kishanthan.wordpress.com>*
Twitter - *http://twitter.com/kishanthan <http://twitter.com/kishanthan>*
_______________________________________________
Architecture mailing list
Architecture@wso2.org
https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
