| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from nifiapi.flowfiletransform import FlowFileTransform, FlowFileTransformResult |
| from nifiapi.properties import PropertyDescriptor, StandardValidators |
| from nifiapi.relationship import Relationship |
| |
| |
| class ProcessContextInterfaceChecker(FlowFileTransform): |
| """ |
| Checks ProcessContext interface |
| """ |
| SECRET_PASSWORD = PropertyDescriptor( |
| name="Secret Password", |
| description="Password to access", |
| validators=[StandardValidators.NON_EMPTY_VALIDATOR], |
| default_value="mysecret", |
| required=True, |
| sensitive=True |
| ) |
| REQUEST_TIMEOUT = PropertyDescriptor( |
| name="Request Timeout", |
| description="Timeout for the request", |
| validators=[StandardValidators.TIME_PERIOD_VALIDATOR], |
| default_value="60 sec", |
| required=True |
| ) |
| WISH_COUNT = PropertyDescriptor( |
| name="Wish Count", |
| description="Number of wishes", |
| default_value="3", |
| validators=[StandardValidators.POSITIVE_INTEGER_VALIDATOR], |
| required=True |
| ) |
| |
| property_descriptors = [ |
| SECRET_PASSWORD, |
| REQUEST_TIMEOUT, |
| WISH_COUNT |
| ] |
| |
| def __init__(self, **kwargs): |
| pass |
| |
| def getPropertyDescriptors(self): |
| return self.property_descriptors |
| |
| def getRelationships(self): |
| return [Relationship("myrelationship", "Dummy dynamic relationship")] |
| |
| def transform(self, context, flowFile): |
| properties = context.getProperties() |
| if len(properties) != 3: |
| return FlowFileTransformResult("failure", contents="Property count is invalid") |
| |
| property_names = [property.name for property in properties] |
| if "Secret Password" not in property_names or "Request Timeout" not in property_names or "Wish Count" not in property_names: |
| return FlowFileTransformResult("failure", contents="Missing properties") |
| |
| for property in properties: |
| if property.name == "Secret Password" and properties[property] != "mysecret": |
| return FlowFileTransformResult("failure", contents="Secret Password value is invalid") |
| elif property.name == "Request Timeout" and properties[property] != "60 sec": |
| return FlowFileTransformResult("failure", contents="Request Timeout value is invalid") |
| elif property.name == "Wish Count" and properties[property] != "3": |
| return FlowFileTransformResult("failure", contents="Wish Count value is invalid") |
| |
| secret_password = context.getProperty(self.SECRET_PASSWORD).getValue() |
| if secret_password != "mysecret": |
| return FlowFileTransformResult("failure", contents="Secret password is invalid") |
| |
| timeout = context.getProperty(self.REQUEST_TIMEOUT).getValue() |
| if timeout != "60 sec": |
| return FlowFileTransformResult("failure", contents="Request timeout is invalid") |
| |
| wish_count = context.getProperty(self.WISH_COUNT).getValue() |
| if wish_count != "3": |
| return FlowFileTransformResult("failure", contents="Wish count is invalid") |
| |
| return FlowFileTransformResult("myrelationship", contents="Check successful!") |