protected Dashboard getDashboardFromCache(DashboardCacheKey key) {
Dashboard dashboard;
RepositoryAccess repository = RepositoryAccess.getRepository();
try {
Cache cache = getCache();
Element cacheElement = cache.get(key);
if (cacheElement == null) {
return null;
} else {
dashboard = (Dashboard) cacheElement.getValue();
}
logger.info("Got dashboard from cache");
ISolutionFile dash =
repository.getSolutionFile(key.getCdfde(), FileAccess.READ); // was NO_PERM=0;
if (dash == null) {
logger.error(key.getCdfde() + " not found.");
return null;
}
ISolutionFile templ;
if (key.getTemplate() == null) {
templ = null;
} else {
templ = repository.getSolutionFile(key.getTemplate(), FileAccess.READ);
}
/* Cache is invalidated if the dashboard or template have changed since
* the cache was loaded, or at midnight every day, because of dynamic
* generation of date parameters.
*/
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 00);
cal.set(Calendar.MINUTE, 00);
cal.set(Calendar.SECOND, 1);
boolean
cacheInvalid =
dash.getLastModified() > dashboard.getLoaded().getTime()
|| (templ != null && templ.getLastModified() > dashboard.getLoaded().getTime()),
cacheExpired = cal.getTime().after(dashboard.getLoaded());
if (cacheExpired) {
logger.info("Dashboard expired, re-rendering");
return null;
} else if (cacheInvalid) {
logger.info("Dashboard cache invalidated, re-rendering");
return null;
} else {
return dashboard;
}
} catch (CacheException ce) {
logger.info("Dashboard cache invalidated, re-rendering");
return null;
}
}
public void saveDefinition(String[] file, String jsonString, IPentahoSession userSession)
throws Exception {
JSONObject json = (JSONObject) JSONSerializer.toJSON(jsonString);
JXPathContext.newContext(json);
switch (RepositoryAccess.getRepository(userSession)
.publishFile(file[0], file[1], json.toString().getBytes("UTF-8"), true)) {
case FAIL:
logger.error("Could not save definition " + StringUtils.join(file, "/"));
}
}