@Override
public void handlePut(Operation put) {
final LoaderServiceState newState = put.getBody(LoaderServiceState.class);
if (newState.loaderType == null) {
newState.loaderType = LoaderType.FILESYSTEM;
}
setState(put, newState);
put.setBody(newState).complete();
}
@Override
public void handleStart(Operation op) {
if (op.hasBody()) {
LoaderServiceState s = op.getBody(LoaderServiceState.class);
if (s.loaderType == null) {
s.loaderType = LoaderType.FILESYSTEM;
}
logFine("Initial path is %s", s.path);
}
super.setMaintenanceIntervalMicros(MAINTENANCE_INTERVAL_MICROS);
op.complete();
}
private void loadServices(LoaderServiceState localState) {
Map<String, LoaderServiceInfo> discoveredPackages = null;
switch (localState.loaderType) {
case FILESYSTEM:
try {
discoveredPackages = loadFromFileSystem(localState);
} catch (Exception e) {
logWarning(
"Failed to load packages from path %s, %s.", localState.path, Utils.toString(e));
}
break;
default:
logWarning("Unknown loader type: %s", localState.loaderType);
}
if (discoveredPackages != null) {
LoaderServiceState newState = new LoaderServiceState();
newState.servicePackages = discoveredPackages;
final Operation patch = Operation.createPatch(getUri()).setBody(newState);
sendRequest(patch);
}
}
@Override
public void handlePatch(Operation patch) {
// Get the current state.
final LoaderServiceState currentState = getState(patch);
final LoaderServiceState patchBody = patch.getBody(LoaderServiceState.class);
if (patchBody.path != null) {
currentState.path = patchBody.path;
}
if (patchBody.loaderType != null) {
currentState.loaderType = patchBody.loaderType;
} else {
currentState.loaderType = LoaderType.FILESYSTEM;
}
if (patchBody.servicePackages != null) {
currentState.servicePackages = patchBody.servicePackages;
}
// Update the state.
patch.setBody(currentState).complete();
}