[opencms-dev] Getting changed module parameters without restarting

[Ruben Malchow]

i didn't read the "parent module" part. sorry.

:)

.rm

Ruben Malchow wrote:
> 
> hello pavel,
> 
> do you use the module management frontend to change the parameters? 
> because here, it works swell: when i change module parameters, the
> 
>     moduleUpdate(CmsModule cmsmod)
> 
> method is called. and
> 
>     cmsmod.getParameters()
> 
> returns a map of the new parameters. to register that, you will have to 
> extend
> 
>     org.opencms.module.A_CmsModuleAction
> 
> example:
> 
>     package foo.bar.module;
> 
>     import org.opencms.module.A_CmsModuleAction;
> 
>     public class FooBarModuleAction extends A_CmsModuleAction {
> 
>         private String saveDir=null;
> 
>         [...]
> 
>         public void moduleUpdate(CmsModule arg0) {
>             this.saveDir=arg0.getParameter("saveDir");
>         }
>     }
> 
> 
> and register it in your manifest.xml:
> 
>     <module>
>         <name>foo.bar.module</name>
>         <class>foo.bar.module.FooBarModuleAction</class>
>         [...]
>     </module>
> 
> regards
> 
> .rm
> 
> 
> 
> Pavel Peringer wrote:
>> Hello
>>
>> I have some module using its module parameters for working. I would 
>> like change the module parameters ie. files store dir. But I do not 
>> want restart whole web application only for this not so important change.
>>
>> If I change the module parameters, the module state is frozen after 
>> calling org.opencms.module.CmsModule.initialize() and I allways get 
>> the "old" parameters until restart.
>>
>> When some resource in VFS is changed, the appropriate event is fired.
>> Could be possible fire similar event (ie. 
>> EVENT_MODULE_PARAMETERS_CHANGED) in 
>> org.opencms.workplace.tools.modules.CmsModulesEditBase.actionCommit()?
>>
>> Example (update module code part):
>> OpenCms.getModuleManager().updateModule(getCms(), m_module);
>>
>> Map data = new HashMap();
>> data.put(KEY_MODULE_NAME, m_module.getName());
>> data.put(KEY_MODULE_PARAMETERS, m_module.getParameters());
>> OpenCms.fireCmsEvent(EVENT_MODULE_PARAMETERS_CHANGED, data);
>>
>> Of cource add these constants to the interface.
>>
>> Every action module class listening to this event then could be able 
>> to update parameters when the event was fired from its "parent" module.
>> For this purpose it must have its own Map object because the "parent" 
>> module is frozen and do not return new values.
>>
>> Or there is other existing solution for reload changed module 
>> parameters without restarting webapp container (Apache/Tomcat/..) ?
>>
>> Thanks for answer
>>
>> Pavel Peringer
>>
> 
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