Examples with Required uk.gov.gchq.gaffer.commonutil.Required used on opensource projects

Example 1 with Required

use of uk.gov.gchq.gaffer.commonutil.Required in project gaffer-doc by gchq.

the class OperationExample method printRequiredFields.

protected void printRequiredFields() {
    print("## Required fields");
    boolean hasRequiredFields = false;
    for (final Field field : getClassForExample().getDeclaredFields()) {
        final Required[] annotations = field.getAnnotationsByType(Required.class);
        if (null != annotations && annotations.length > 0) {
            if (!hasRequiredFields) {
                hasRequiredFields = true;
                print("The following fields are required: ");
            }
            final String name = field.getName();
            print("- " + name);
        }
    }
    if (!hasRequiredFields) {
        print("No required fields");
    }
    print("\n");
}

Example 2 with Required

use of uk.gov.gchq.gaffer.commonutil.Required in project Gaffer by gchq.

the class Operation method validate.

/**
 * Validates an operation. This should be used to validate that fields have been be configured correctly.
 * By default no validation is applied. Override this method to implement validation.
 *
 * @return validation result.
 */
default ValidationResult validate() {
    final ValidationResult result = new ValidationResult();
    HashSet<Field> fields = Sets.<Field>newHashSet();
    Class<?> currentClass = this.getClass();
    while (null != currentClass) {
        fields.addAll(Arrays.asList(currentClass.getDeclaredFields()));
        currentClass = currentClass.getSuperclass();
    }
    for (final Field field : fields) {
        final Required[] annotations = field.getAnnotationsByType(Required.class);
        if (null != annotations && annotations.length > 0) {
            if (field.isAccessible()) {
                validateRequiredFieldPresent(result, field);
            } else {
                AccessController.doPrivileged((PrivilegedAction<Operation>) () -> {
                    field.setAccessible(true);
                    validateRequiredFieldPresent(result, field);
                    return null;
                });
            }
        }
    }
    return result;
}