RE: Two questions

["Pep Torres" <jmtorres at s2-selling.com>]

I see the mudb class and I think that this class give me the functionality that I need for the first question. But, I will prove the method that you say.
Respect the second question catching the exception I think that it's ok.


*********** REPLY SEPARATOR  ***********

On 7/3/01 at 2:28 Nikolai Devereaux wrote:

>> I'm using the xmlBlaster, but I have two questions:
>> 1. If the client is offline(ISDN and is disconnect) there are any manner
>of store the
>> message in local and when he connect send the messages. The cache mecanism
>that is
>> implemented I think that is in server part, when the receiver is
>disconnect.
>
>I think that this would be up to you to implement.  Every time a client
>publishes a message, I'd do this: (in pseudoJava whatever..)
>
>class ClientTest
>{
>	private LinkedList offlineQueue;
>	...
>	public ClientTest( ... )
>	{
>		...
>		offlineQueue = new LinkedList();
>	}
>
>	...
>
>	public publish(MessageUnit mesgUnit)
>	{
>		if (! this.isConnected() )
>		{
>			offlineQueue.addLast(mesgUnit);
>		}
>		else { as normal... }
>	}
>
>	public connect()
>	{
>		do all your normal connection stuff...
>
>		while (offlineQueue.getElementCount() > 0)
>		{
>			publish( (MessageUnit)offlineQueue.removeFirst() );
>		}
>	}
>}
>
>
>>  2. There are any form of receive ackermans of the message that I publish
>to the server?
>
>By "ackermans" I'm guessing you mean an acknowledgement message that the
>publish went okay.  The way I see it, you'd get an exception thrown if
>anything went wrong, so if you don't catch an exception, then you should
>assume it was published okay.
>
>What you can also do is subscribe to your own messages.  Create some tag
>within a publish key that you will subscribe to... for example:
>
>Subscribe to this key:
><key oid='' queryType='XPATH'>
>    /xmlBlaster/key/Sender[ at name='yourNameHere']
></key>
>
>And when you publish, be sure to add the <Sender name='yourNameHere' /> tag
>to the key, like this:
>
><key oid='' contentMime='text/xml'>
>   < ... all your normal key tags and info ... />
>   <Sender name='yourNameHere' />
></key>
>
>Hope this helps...!  I know I've used this list for a million questions, I'd
>like to be able to help when and if I can.  =)
>
>Nik