Code as follows
Caching class
package com.mypackage.Cache
mport org.apache.struts.action.PlugIn;
import org.apache.struts.config.ModuleConfig;
import org.apache.struts.action.ActionServlet;
public class Cacheimplements PlugIn
{
private static Cacheinstance = null;
private ModuleConfig module = null;
private ActionServlet action = null;
public Cache()
{
if (instance == null)
instance = this;
}
public static Cache getInstance()
{
if (instance == null)
instance = new Cache();
return instance;
}
public void init(ActionServlet action, ModuleConfig module)
{
this.action = action;
this.module = module;
put your code in here to fire off any caching of data
}
public void destroy()
{
instance = null;
action = null;
module = null;
any cleanup code.
}
Add the following into your Struts-config.xml file
<plug-in className="com.mypackage.Cache">
</plug-in>
Parameters can be supplied to the class using the
<set-property property="" value=""/>
inclusion between the plug-in statements. You would then have a local
declaration in the Cache class with getter and setter methods to access the
parameter.
Hope this helps.
Richard
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: 13 August 2004 15:29
To: [EMAIL PROTECTED]
Subject: RE: Caching Framework
As I am very new to struts, it would be very helpful if you can point me to
some sample code.
Thanks for support from everybody.
Regds
Ravi
-----Original Message-----
From: Richard Cave [mailto:[EMAIL PROTECTED]
Sent: Friday, August 13, 2004 7:16 PM
To: 'Struts Users Mailing List'
Subject: RE: Caching Framework
Ravi,
We've just implemented a master data load using the same technique as Eric.
Appears to be working very well.
Richard
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: 13 August 2004 14:54
To: [EMAIL PROTECTED]
Subject: RE: Caching Framework
That's really a great idea Erik.
Can you please point me to some example.
Thanks Erik,
Regds
Ravi
-----Original Message-----
From: Erik Weber [mailto:[EMAIL PROTECTED]
Sent: Friday, August 13, 2004 7:21 PM
To: Struts Users Mailing List
Subject: Re: Caching Framework
Ravi, without getting real complicated, I use PlugIns to do this!
Implement org.apache.struts.action.PlugIn. You only need to write two
methods -- init and destroy. In your init method, gather some data store
it as application scope attributes (you get a reference to the
controller Servlet in the init method). Finally, register your PlugIn
with struts-config.xml. When your Struts app initializes, your PlugIn's
init method is invoked. Your JSPs now have easy access to the cached
data, as do your Actions.
Erik
[EMAIL PROTECTED] wrote:
>Hi,
>
>Is there any Caching framework available for struts ?
>
>For eg: I need to cache some list of objects ...etc.,
>
>Ravi
>
>
>
>
>
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