use of org.apache.nifi.registry.flow.StandardFlowRegistryClient in project nifi-minifi by apache.
the class MiNiFiServer method start.
public void start() {
try {
logger.info("Loading Flow...");
FlowFileEventRepository flowFileEventRepository = new RingBufferEventRepository(5);
AuditService auditService = new StandardAuditService();
Authorizer authorizer = new Authorizer() {
@Override
public AuthorizationResult authorize(AuthorizationRequest request) throws AuthorizationAccessException {
return AuthorizationResult.approved();
}
@Override
public void initialize(AuthorizerInitializationContext initializationContext) throws AuthorizerCreationException {
// do nothing
}
@Override
public void onConfigured(AuthorizerConfigurationContext configurationContext) throws AuthorizerCreationException {
// do nothing
}
@Override
public void preDestruction() throws AuthorizerDestructionException {
// do nothing
}
};
final String sensitivePropAlgorithmVal = props.getProperty(StringEncryptor.NF_SENSITIVE_PROPS_ALGORITHM);
final String sensitivePropProviderVal = props.getProperty(StringEncryptor.NF_SENSITIVE_PROPS_PROVIDER);
final String sensitivePropValueNifiPropVar = props.getProperty(StringEncryptor.NF_SENSITIVE_PROPS_KEY, DEFAULT_SENSITIVE_PROPS_KEY);
StringEncryptor encryptor = StringEncryptor.createEncryptor(sensitivePropAlgorithmVal, sensitivePropProviderVal, sensitivePropValueNifiPropVar);
VariableRegistry variableRegistry = new FileBasedVariableRegistry(props.getVariableRegistryPropertiesPaths());
BulletinRepository bulletinRepository = new VolatileBulletinRepository();
FlowController flowController = FlowController.createStandaloneInstance(flowFileEventRepository, props, authorizer, auditService, encryptor, bulletinRepository, variableRegistry, new StandardFlowRegistryClient());
flowService = StandardFlowService.createStandaloneInstance(flowController, props, encryptor, // revision manager
null, authorizer);
// start and load the flow
flowService.start();
flowService.load(null);
flowController.onFlowInitialized(true);
flowController.getGroup(flowController.getRootGroupId()).startProcessing();
this.flowController = flowController;
logger.info("Flow loaded successfully.");
} catch (Exception e) {
// ensure the flow service is terminated
if (flowService != null && flowService.isRunning()) {
flowService.stop(false);
}
startUpFailure(new Exception("Unable to load flow due to: " + e, e));
}
}
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