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From Yiannis Mavroukakis <imavrouka...@gameaccount.com>
Subject Re: [ApacheDS] Poor man's cluster interceptor
Date Thu, 19 Feb 2009 20:38:30 GMT
Ah that sounds interesting..do I grab it out of the ServerEntry object 
and feed it into another?

Alex Karasulu wrote:
> Or just send over an LDIF string.
>
> On Thu, Feb 19, 2009 at 2:12 PM, Emmanuel Lecharny <elecharny@apache.org>wrote:
>
>   
>> Hi,
>>
>> On Thu, Feb 19, 2009 at 7:55 PM, Yiannis Mavroukakis
>> <imavroukakis@gameaccount.com> wrote:
>>     
>>> Hello all :-)
>>>
>>> This is off the back of my previous questions about clustering..
>>>
>>> I've managed to setup a poor man's cluster on our Jboss servers cluster
>>> using message queues. I can get messages passed to the JBoss instance but
>>> I'm having a few issues..
>>> I initially tried to send the entire AddOperationContext obect but I got
>>> defeated when it refused to serialize :)
>>> I then though I'd break it down to its constituent parts, stuff them in a
>>> map and send them off..that worked partially and I am unsure as to which
>>> structures
>>> I can use in order to be able to recreate the entry on the participating
>>> ldap clusters
>>>
>>> This is what I do at the moment
>>>
>>> Map<String , byte[ ]> attributes = new HashMap( );
>>> ServerEntry entry = addContext.getEntry( );
>>>       if( ( entry.get( SchemaConstants.USER_PASSWORD_AT ) != null ) )
>>>       {
>>>           for( AttributeType attr : entry.getAttributeTypes( ) )
>>>           {
>>>               EntryAttribute entryAttr = entry.get( attr );
>>>               if ( entryAttr.get( ).isBinary( ) )
>>>               {
>>>                   attributes.put( attr.getName( ) , entryAttr.getBytes( )
>>>       
>> );
>>     
>>>               }
>>>               else
>>>               {
>>>                   attributes.put( attr.getName( ) ,
>>> StringTools.getBytesUtf8( entryAttr.getString( ) ) );
>>>               }
>>>
>>>           }
>>> [send to cluster after this]
>>>
>>> Am I missing something? Do I need to add more/less to the Map?
>>>       
>> This is a bit overkilling. You can grab the netry into the
>> AddOperationContex (getEntry() and clone it. Then, you can remove the
>> password from it, and serialize it, as it's a serialiable class.
>>
>> --
>> Regards,
>> Cordialement,
>> Emmanuel L´┐Żcharny
>> www.iktek.com
>>
>>     
>
>   

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