/**
* Load a deployment unit record stored in the db into memory.
*
* @param dudao
*/
protected List<ProcessConfImpl> load(DeploymentUnitDAO dudao) {
__log.debug("Loading deployment unit record from db: " + dudao.getName());
File dudir = findDeployDir(dudao);
if (dudir == null || !dudir.exists())
throw new ContextException(
"Deployed directory " + (dudir == null ? "(unknown)" : dudir) + " no longer there!");
DeploymentUnitDir dud = new DeploymentUnitDir(dudir);
// set the name with the one from database
dud.setName(dudao.getName());
dud.scan();
ArrayList<ProcessConfImpl> loaded = new ArrayList<ProcessConfImpl>();
_rw.writeLock().lock();
try {
_deploymentUnits.put(dud.getName(), dud);
long version = 0;
for (ProcessConfDAO p : dudao.getProcesses()) {
TDeployment.Process pinfo = dud.getProcessDeployInfo(p.getType());
if (pinfo == null) {
__log.warn("Cannot load " + p.getPID() + "; cannot find descriptor.");
continue;
}
Map<QName, Node> props = calcInitialProperties(dud.getProperties(), pinfo);
// TODO: update the props based on the values in the DB.
ProcessConfImpl pconf =
new ProcessConfImpl(
p.getPID(),
p.getType(),
p.getVersion(),
dud,
pinfo,
dudao.getDeployDate(),
props,
p.getState(),
eprContext,
_configDir,
generateProcessEventsAll);
version = p.getVersion();
_processes.put(pconf.getProcessId(), pconf);
loaded.add(pconf);
}
// All processes and the DU have the same version
dud.setVersion(version);
} finally {
_rw.writeLock().unlock();
}
return loaded;
}
protected File findDeployDir(DeploymentUnitDAO dudao) {
File f = new File(dudao.getDeploymentUnitDir());
if (f.exists()) return f;
f = new File(_deployDir, dudao.getName());
if (f.exists()) {
try {
dudao.setDeploymentUnitDir(f.getCanonicalPath());
} catch (IOException e) {
__log.warn("Could not update deployment unit directory for " + dudao.getName(), e);
}
return f;
}
return null;
}