RE: Properties instead of config file

["Smuts, Aaron" <aa...@amazon.com>]

You can configure the cache using a Properties object via the org.apache.jcs.engine.control.CompositeCacheManager.

Call:

CompositeCacheManager mgr = CompositeCacheManager.getUnconfiguredInstance()
Mgr.configure( properties );

Then use JCS the normal way:

JCS.getInstance( regionName );


Cheers,

Aaron

-----Original Message-----
From: xMySign for JCS [mailto:dev-jcs@mysign.ch] 
Sent: Tuesday, November 23, 2004 10:31 AM
To: Turbine JCS Developers List
Subject: Properties instead of config file

Hi 

I sent this almost 3 month before and I am interested in your comments about using Properties instead of a config file:

To set the config filename now on ehas to use th emethod setConfigFilename on org.apache.jcs.JCS It would be nice if there would be a second method on the JCS object which would allow it, to pass a Properties object instead of a filename. The problem which occurred in our web application is the following:
we need to parse the cache.ccf and set the paths for the file-cache on the startup of the servlet container.
in this case we need to write the cache.ccf after setting the paths to the file cache and pass then the filename of it with setConfigFilename to JCS. under some circumstances JCS now can't read the file (maybe it isn't written entirely?) and JCS gets a NullPointerException:

java.lang.NullPointerException
	at java.util.StringTokenizer.<init>(StringTokenizer.java:146)
	at java.util.StringTokenizer.<init>(StringTokenizer.java:162)
	at org.apache.jcs.engine.control.CompositeCacheConfigurator.parseRegion(CompositeCacheConfigurator.java:272)
	at org.apache.jcs.engine.control.CompositeCacheConfigurator.parseRegion(CompositeCacheConfigurator.java:243)
	at org.apache.jcs.engine.control.CompositeCacheManager.getCache(CompositeCacheManager.java:356)
	at org.apache.jcs.engine.control.CompositeCacheManager.getCache(CompositeCacheManager.java:315)
	at org.apache.jcs.engine.control.CompositeCacheManager.getCache(CompositeCacheManager.java:308)
	at org.apache.jcs.JCS.getInstance(JCS.java:103)

So if there's a way to pass the Properties object without writing it down to disk this would be great.
Maybe we can implement this in JCS, but we're not yet committer to the JCS project. What do the committers think about it?


best regards

Mike Müller

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