nifi-system-tests/nifi-system-test-extensions-bundle/nifi-system-test-extensions/src/main/java/org/apache/nifi/processors/tests/system/FakeDynamicPropertiesProcessor.java

/*
 * 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.
 */
package org.apache.nifi.processors.tests.system;

import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.components.Validator;
import org.apache.nifi.controller.ControllerService;
import org.apache.nifi.cs.tests.system.FakeControllerService1;
import org.apache.nifi.processor.AbstractProcessor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.ProcessSession;
import org.apache.nifi.processor.ProcessorInitializationContext;
import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processor.exception.ProcessException;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class FakeDynamicPropertiesProcessor extends AbstractProcessor {
    private List<PropertyDescriptor> properties;
    private Set<Relationship> relationships;

    @Override
    protected void init(final ProcessorInitializationContext context) {
        final List<PropertyDescriptor> properties = new ArrayList<>();
        this.properties = Collections.unmodifiableList(properties);

        final Set<Relationship> relationships = new HashSet<>();
        this.relationships = Collections.unmodifiableSet(relationships);

    }

    @Override
    protected PropertyDescriptor getSupportedDynamicPropertyDescriptor(final String propertyDescriptorName) {
        if (propertyDescriptorName.startsWith("CS.")) {
            return new PropertyDescriptor.Builder()
                    .name(propertyDescriptorName)
                    .required(false)
                    .dynamic(true)
                    .identifiesControllerService(ControllerService.class)
                    .build();
        }
        if (propertyDescriptorName.startsWith("FCS.")) {
            return new PropertyDescriptor.Builder()
                    .name(propertyDescriptorName)
                    .required(false)
                    .dynamic(true)
                    .identifiesControllerService(FakeControllerService1.class)
                    .build();
        }
        return new PropertyDescriptor.Builder()
                .name(propertyDescriptorName)
                .required(false)
                .addValidator(Validator.VALID)
                .dynamic(true)
                .build();
    }

    @Override
    public Set<Relationship> getRelationships() {
        return relationships;
    }

    @Override
    protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
        return properties;
    }

    @Override
    public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException {

    }
}