| /* |
| * 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.provenance; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.nifi.connectable.Connection; |
| import org.apache.nifi.controller.FlowController; |
| import org.apache.nifi.groups.ProcessGroup; |
| import org.apache.nifi.nar.ExtensionDefinition; |
| import org.apache.nifi.processor.Processor; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class ComponentIdentifierLookup implements IdentifierLookup { |
| private final FlowController flowController; |
| |
| public ComponentIdentifierLookup(final FlowController flowController) { |
| this.flowController = flowController; |
| } |
| |
| @Override |
| public List<String> getComponentIdentifiers() { |
| final ProcessGroup rootGroup = flowController.getFlowManager().getRootGroup(); |
| |
| final List<String> componentIds = new ArrayList<>(); |
| rootGroup.findAllProcessors().forEach(proc -> componentIds.add(proc.getIdentifier())); |
| rootGroup.getInputPorts().forEach(port -> componentIds.add(port.getIdentifier())); |
| rootGroup.getOutputPorts().forEach(port -> componentIds.add(port.getIdentifier())); |
| |
| return componentIds; |
| } |
| |
| @Override |
| public List<String> getComponentTypes() { |
| final Set<ExtensionDefinition> procDefinitions = flowController.getExtensionManager().getExtensions(Processor.class); |
| |
| final List<String> componentTypes = new ArrayList<>(procDefinitions.size() + 2); |
| componentTypes.add(ProvenanceEventRecord.REMOTE_INPUT_PORT_TYPE); |
| componentTypes.add(ProvenanceEventRecord.REMOTE_OUTPUT_PORT_TYPE); |
| |
| procDefinitions.stream() |
| .map(ExtensionDefinition::getImplementationClassName) |
| .map(className -> className.contains(".") ? StringUtils.substringAfterLast(className, ".") : className) |
| .forEach(componentTypes::add); |
| |
| return componentTypes; |
| } |
| |
| @Override |
| public List<String> getQueueIdentifiers() { |
| Set<Connection> connectionSet = flowController.getFlowManager().findAllConnections(); |
| List<String> identifiers = new ArrayList<>(connectionSet.size()); |
| |
| for (Connection c : connectionSet) { |
| identifiers.add(c.getIdentifier()); |
| } |
| return identifiers; |
| } |
| } |