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| Problem with MbGlobalMapSessionPolicy in erternal Java File |
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Message
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| mahesh2069 |
 Posted: Fri Jan 10, 2014 6:54 am Post subject: Problem with MbGlobalMapSessionPolicy in erternal Java File |
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Centurion
Joined: 26 Jun 2013
Posts: 103
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Hi All,
I need to work on MbGlobalMapSessionPolicy in external file to remove cache automatically from Grid.
In Java Compute Node , This MbGlobalMapSessionPolicy class works correct ,coming to java class it throws Throwable error.
Can we use MbGlobalMapSessionPolicy in .java file , like MbGlobalMap?
Help me .... 
_________________
Thanks & Regards
Mahesh Mediboyina
WMB Developer |
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| mahesh2069 |
| Posted: Fri Jan 10, 2014 7:05 am Post subject: I got following Exception |
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Centurion
Joined: 26 Jun 2013
Posts: 103
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No class definition found..
| Code: |
java.lang.NoClassDefFoundError: com.ibm.broker.trace.Trace
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_________________
Thanks & Regards
Mahesh Mediboyina
WMB Developer |
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| stoney |
| Posted: Mon Jan 13, 2014 2:56 am Post subject: |
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Centurion
Joined: 03 Apr 2013
Posts: 140
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It sounds like you are trying to use MbGlobalMap and MbGlobalMapSessionPolicy in an external Java application.
This is not supported and as you have discovered will not work.
Those classes can only be used in Java code deployed to an execution group. |
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| muthu_tek |
| Posted: Thu Apr 17, 2014 11:31 pm Post subject: |
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Apprentice
Joined: 21 Jan 2010
Posts: 36
Location: Coimbatore,India
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stoney is correct.
You can create static Java wrappers for common global cache tasks, such as getting/inserting a String value from a given Map. You can then call these Java methods from within ESQL and the Mapping node. Making the cache available natively from across the programming interfaces is the long-term goal
Java Code :
| Code: |
package com.muthu.iib.integration.services;
import com.ibm.broker.plugin.MbException;
import com.ibm.broker.plugin.MbGlobalMap;
import com.ibm.broker.plugin.MbGlobalMapSessionPolicy;
public class InvokeCache {
public static String callCache(String Key,String Value ){
MbGlobalMap authMap;
try {
authMap = MbGlobalMap.getGlobalMap("authMap");
MbGlobalMap.getGlobalMap("authMap",new MbGlobalMapSessionPolicy(10));
String test = (String)authMap.get(Key);
if (test == null) {
authMap.put(Key, Value);
} else {
authMap.update(Key, Value);
}
} catch (MbException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return "";
}
} |
ESQL Code
| Code: |
SET cacheValue = callCache("100","Marimuthu Udayakumar From India");
CREATE PROCEDURE callCache(IN requestId CHARACTER, IN payLoad CHARACTER)
RETURNS CHARACTER
LANGUAGE JAVA
EXTERNAL NAME "com.muthu.iib.integration.services.InvokeCache.callCache"; |
_________________
Thanks and Yours,
Marimuthu Udayakumar |
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