/**
* Encode the beginning of the given {@link ResourceLineageComponent}.
*
* @param facesContext the JSF context for the current request
* @param component the {@link ResourceLineageComponent} to be encoded
*/
@Override
public void encodeBegin(FacesContext facesContext, UIComponent component) throws IOException {
ResourceLineageComponent resourceLineage = (ResourceLineageComponent) component;
ResponseWriter writer = facesContext.getResponseWriter();
long monitorId = HibernatePerformanceMonitor.get().start();
ResourceManagerLocal resourceManager = LookupUtil.getResourceManager();
List<Resource> ancestorResources =
resourceManager.getResourceLineage(resourceLineage.getResourceId());
HibernatePerformanceMonitor.get().stop(monitorId, "ResourceLineage renderer");
if (ancestorResources.isEmpty()) {
throw new IllegalStateException(
"The list of ancestor resources should always contain at least one resource - the resource whose lineage was requested.");
}
Resource parentResource = ancestorResources.get(ancestorResources.size() - 1);
for (Resource ancestorResource : ancestorResources) {
writer.startElement("a", resourceLineage);
writer.writeAttribute("href", buildURL(ancestorResource), null);
writer.writeText(ancestorResource.getName(), null);
writer.endElement("a");
if (ancestorResource.getId()
!= parentResource.getId()) // separator after every item except the last one
{
writer.writeText(SEPARATOR, null);
}
}
}
private void loadTree() {
int searchId;
Resource currentResource = EnterpriseFacesContextUtility.getResourceIfExists();
if (currentResource == null) {
searchId = Integer.parseInt(FacesContextUtility.getOptionalRequestParameter("parent"));
} else {
searchId = currentResource.getId();
}
Subject user = EnterpriseFacesContextUtility.getSubject();
long start = System.currentTimeMillis();
long monitorId = HibernatePerformanceMonitor.get().start();
Resource rootResource = resourceManager.getRootResourceForResource(searchId);
long end = System.currentTimeMillis();
HibernatePerformanceMonitor.get().stop(monitorId, "ResourceTree root resource");
log.debug("Found root resource in " + (end - start));
Agent agent =
agentManager.getAgentByResourceId(
LookupUtil.getSubjectManager().getOverlord(), rootResource.getId());
start = System.currentTimeMillis();
monitorId = HibernatePerformanceMonitor.get().start();
List<ResourceFlyweight> resources =
resourceManager.findResourcesByAgent(
user, agent.getId(), PageControl.getUnlimitedInstance());
end = System.currentTimeMillis();
HibernatePerformanceMonitor.get().stop(monitorId, "ResourceTree agent resource");
log.debug("Loaded " + resources.size() + " raw resources in " + (end - start));
start = System.currentTimeMillis();
monitorId = HibernatePerformanceMonitor.get().start();
rootNode = load(rootResource.getId(), resources);
end = System.currentTimeMillis();
HibernatePerformanceMonitor.get().stop(monitorId, "ResourceTree tree construction");
log.debug("Constructed tree in " + (end - start));
}