| /* |
| * 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.controller; |
| |
| import org.apache.nifi.annotation.behavior.EventDriven; |
| import org.apache.nifi.annotation.behavior.InputRequirement; |
| import org.apache.nifi.annotation.behavior.PrimaryNodeOnly; |
| import org.apache.nifi.annotation.behavior.SideEffectFree; |
| import org.apache.nifi.annotation.behavior.SupportsBatching; |
| import org.apache.nifi.annotation.behavior.TriggerSerially; |
| import org.apache.nifi.annotation.behavior.TriggerWhenAnyDestinationAvailable; |
| import org.apache.nifi.annotation.behavior.TriggerWhenEmpty; |
| import org.apache.nifi.bundle.BundleCoordinate; |
| import org.apache.nifi.processor.Processor; |
| |
| /** |
| * Holder for StandardProcessorNode to atomically swap out the component. |
| */ |
| public class ProcessorDetails { |
| |
| private final Processor processor; |
| private final Class<?> procClass; |
| private final boolean triggerWhenEmpty; |
| private final boolean sideEffectFree; |
| private final boolean triggeredSerially; |
| private final boolean triggerWhenAnyDestinationAvailable; |
| private final boolean eventDrivenSupported; |
| private final boolean batchSupported; |
| private final boolean executionNodeRestricted; |
| private final InputRequirement.Requirement inputRequirement; |
| private final TerminationAwareLogger componentLog; |
| private final BundleCoordinate bundleCoordinate; |
| |
| public ProcessorDetails(final LoggableComponent<Processor> processor) { |
| this.processor = processor.getComponent(); |
| this.componentLog = processor.getLogger(); |
| this.bundleCoordinate = processor.getBundleCoordinate(); |
| |
| this.procClass = this.processor.getClass(); |
| this.triggerWhenEmpty = procClass.isAnnotationPresent(TriggerWhenEmpty.class); |
| this.sideEffectFree = procClass.isAnnotationPresent(SideEffectFree.class); |
| this.batchSupported = procClass.isAnnotationPresent(SupportsBatching.class); |
| this.triggeredSerially = procClass.isAnnotationPresent(TriggerSerially.class); |
| this.triggerWhenAnyDestinationAvailable = procClass.isAnnotationPresent(TriggerWhenAnyDestinationAvailable.class); |
| this.eventDrivenSupported = procClass.isAnnotationPresent(EventDriven.class) && !triggeredSerially && !triggerWhenEmpty; |
| this.executionNodeRestricted = procClass.isAnnotationPresent(PrimaryNodeOnly.class); |
| |
| final boolean inputRequirementPresent = procClass.isAnnotationPresent(InputRequirement.class); |
| if (inputRequirementPresent) { |
| this.inputRequirement = procClass.getAnnotation(InputRequirement.class).value(); |
| } else { |
| this.inputRequirement = InputRequirement.Requirement.INPUT_ALLOWED; |
| } |
| } |
| |
| public Processor getProcessor() { |
| return processor; |
| } |
| |
| public Class<?> getProcClass() { |
| return procClass; |
| } |
| |
| public boolean isTriggerWhenEmpty() { |
| return triggerWhenEmpty; |
| } |
| |
| public boolean isSideEffectFree() { |
| return sideEffectFree; |
| } |
| |
| public boolean isTriggeredSerially() { |
| return triggeredSerially; |
| } |
| |
| public boolean isTriggerWhenAnyDestinationAvailable() { |
| return triggerWhenAnyDestinationAvailable; |
| } |
| |
| public boolean isEventDrivenSupported() { |
| return eventDrivenSupported; |
| } |
| |
| public boolean isBatchSupported() { |
| return batchSupported; |
| } |
| |
| public boolean isExecutionNodeRestricted(){ |
| return executionNodeRestricted; |
| } |
| |
| public InputRequirement.Requirement getInputRequirement() { |
| return inputRequirement; |
| } |
| |
| public TerminationAwareLogger getComponentLog() { |
| return componentLog; |
| } |
| |
| public BundleCoordinate getBundleCoordinate() { |
| return bundleCoordinate; |
| } |
| } |