[jboss-user] [JBoss Microcontainer] - MemoryFileFactory in jboss-vfs 3.0.0.CR5

Daniel Bevenius do-not-reply at jboss.com
Thu Jul 15 03:24:30 EDT 2010

Daniel Bevenius [http://community.jboss.org/people/beve] replied to the discussion

"MemoryFileFactory in jboss-vfs 3.0.0.CR5"

To view the discussion, visit: http://community.jboss.org/message/552681#552681

Just wanted to verify my understanding of using the InMemoryClassesDeployer...

The MemoryFileFactory class has been replaced with a InMemoryClassesDeployer which is a deployer targeted at the DESCRIBE stage. What it does is that is mounts a temporary file system (by default in the servers tmp/vfs directory) that other deployments can add things to. In the ESB case, things like a generated servlets class, a wsdl file, and schema files would be added.
So our deployers we would do somethings like this:
VirtualFile inMemRootDir = unit.getAttachment(InMemoryClassesDeployer.DYNAMIC_CLASS_KEY, VirtualFile.class);
VirtualFile wsdlFile = VFS.getChild(inMemRootDir.getPathName() + "/" + serviceInfo.getWSDLFileName());
final String wsdl = generateWsdl();
VFSUtils.writeFile(wsdlFile, wsdl.getBytes());


Is this the intended usage of the InMemoryClassesDeployer?

Now our deployer do not need to do any clean up in their undeploy methods as this is done by the InMemoryClassesDeployer which will remove the filesystem when the deployment is undeployed. 




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