@Override
protected void storeApplicationStateInternal(
ApplicationId appId, ApplicationStateData appStateData) throws IOException {
String key = getApplicationNodeKey(appId);
if (LOG.isDebugEnabled()) {
LOG.debug("Storing state for app " + appId + " at " + key);
}
try {
db.put(bytes(key), appStateData.getProto().toByteArray());
} catch (DBException e) {
throw new IOException(e);
}
}
@Override
public synchronized void updateApplicationStateInternal(
ApplicationId appId, ApplicationStateData appStateDataPB) throws Exception {
Path appDirPath = getAppDir(rmAppRoot, appId);
Path nodeCreatePath = getNodePath(appDirPath, appId.toString());
LOG.info("Updating info for app: " + appId + " at: " + nodeCreatePath);
byte[] appStateData = appStateDataPB.getProto().toByteArray();
try {
// currently throw all exceptions. May need to respond differently for HA
// based on whether we have lost the right to write to FS
updateFile(nodeCreatePath, appStateData, true);
} catch (Exception e) {
LOG.info("Error updating info for app: " + appId, e);
throw e;
}
}