Java Code Examples for org.apache.nifi.controller.ProcessorNode#verifyCanUpdate()

The following examples show how to use org.apache.nifi.controller.ProcessorNode#verifyCanUpdate() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: StandardProcessorDAO.java    From localization_nifi with Apache License 2.0 4 votes vote down vote up 
private void verifyUpdate(ProcessorNode processor, ProcessorDTO processorDTO) {
    // ensure the state, if specified, is valid
    if (isNotNull(processorDTO.getState())) {
        try {
            final ScheduledState purposedScheduledState = ScheduledState.valueOf(processorDTO.getState());

            // only attempt an action if it is changing
            if (!purposedScheduledState.equals(processor.getScheduledState())) {
                // perform the appropriate action
                switch (purposedScheduledState) {
                    case RUNNING:
                        processor.verifyCanStart();
                        break;
                    case STOPPED:
                        switch (processor.getScheduledState()) {
                            case RUNNING:
                                processor.verifyCanStop();
                                break;
                            case DISABLED:
                                processor.verifyCanEnable();
                                break;
                        }
                        break;
                    case DISABLED:
                        processor.verifyCanDisable();
                        break;
                }
            }
        } catch (IllegalArgumentException iae) {
            throw new IllegalArgumentException(String.format(
                    "The specified processor state (%s) is not valid. Valid options are 'RUNNING', 'STOPPED', and 'DISABLED'.",
                    processorDTO.getState()));
        }
    }

    boolean modificationRequest = false;
    if (isAnyNotNull(processorDTO.getName())) {
        modificationRequest = true;
    }

    final ProcessorConfigDTO configDTO = processorDTO.getConfig();
    if (configDTO != null) {
        if (isAnyNotNull(configDTO.getAnnotationData(),
                configDTO.getAutoTerminatedRelationships(),
                configDTO.getBulletinLevel(),
                configDTO.getComments(),
                configDTO.getConcurrentlySchedulableTaskCount(),
                configDTO.getPenaltyDuration(),
                configDTO.getProperties(),
                configDTO.getSchedulingPeriod(),
                configDTO.getSchedulingStrategy(),
                configDTO.getExecutionNode(),
                configDTO.getYieldDuration())) {

            modificationRequest = true;
        }

        // validate the request
        final List<String> requestValidation = validateProposedConfiguration(processor, configDTO);

        // ensure there was no validation errors
        if (!requestValidation.isEmpty()) {
            throw new ValidationException(requestValidation);
        }
    }

    if (modificationRequest) {
        processor.verifyCanUpdate();
    }
}
Example 2
Source File: StandardProcessorDAO.java    From nifi with Apache License 2.0 4 votes vote down vote up 
private void verifyUpdate(ProcessorNode processor, ProcessorDTO processorDTO) {
    // ensure the state, if specified, is valid
    if (isNotNull(processorDTO.getState())) {
        try {
            final ScheduledState purposedScheduledState = ScheduledState.valueOf(processorDTO.getState());

            // only attempt an action if it is changing
            if (!purposedScheduledState.equals(processor.getScheduledState())) {
                // perform the appropriate action
                switch (purposedScheduledState) {
                    case RUNNING:
                        processor.verifyCanStart();
                        break;
                    case STOPPED:
                        switch (processor.getScheduledState()) {
                            case RUNNING:
                                processor.verifyCanStop();
                                break;
                            case DISABLED:
                                processor.verifyCanEnable();
                                break;
                        }
                        break;
                    case DISABLED:
                        processor.verifyCanDisable();
                        break;
                }
            }
        } catch (IllegalArgumentException iae) {
            throw new IllegalArgumentException(String.format(
                    "The specified processor state (%s) is not valid. Valid options are 'RUNNING', 'STOPPED', and 'DISABLED'.",
                    processorDTO.getState()));
        }
    }

    boolean modificationRequest = false;
    if (isAnyNotNull(processorDTO.getName(), processorDTO.getBundle())) {
        modificationRequest = true;
    }

    final BundleDTO bundleDTO = processorDTO.getBundle();
    if (bundleDTO != null) {
        // ensures all nodes in a cluster have the bundle, throws exception if bundle not found for the given type
        final BundleCoordinate bundleCoordinate = BundleUtils.getBundle(flowController.getExtensionManager(), processor.getCanonicalClassName(), bundleDTO);
        // ensure we are only changing to a bundle with the same group and id, but different version
        processor.verifyCanUpdateBundle(bundleCoordinate);
    }

    final ProcessorConfigDTO configDTO = processorDTO.getConfig();
    if (configDTO != null) {
        if (isAnyNotNull(configDTO.getAnnotationData(),
                configDTO.getAutoTerminatedRelationships(),
                configDTO.getBulletinLevel(),
                configDTO.getComments(),
                configDTO.getConcurrentlySchedulableTaskCount(),
                configDTO.getPenaltyDuration(),
                configDTO.getProperties(),
                configDTO.getSchedulingPeriod(),
                configDTO.getSchedulingStrategy(),
                configDTO.getExecutionNode(),
                configDTO.getYieldDuration())) {

            modificationRequest = true;
        }

        // validate the request
        final List<String> requestValidation = validateProposedConfiguration(processor, configDTO);

        // ensure there was no validation errors
        if (!requestValidation.isEmpty()) {
            throw new ValidationException(requestValidation);
        }
    }

    if (modificationRequest) {
        processor.verifyCanUpdate();
    }
}