| /* |
| * 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.record.script; |
| |
| import org.apache.nifi.processor.exception.ProcessException; |
| import org.apache.nifi.script.ScriptingComponentHelper; |
| import org.apache.nifi.script.AbstractScriptedControllerService; |
| |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| /** |
| * An abstract base class containing code common to the Scripted record reader/writer implementations |
| */ |
| public abstract class AbstractScriptedRecordFactory<T> extends AbstractScriptedControllerService { |
| |
| protected final AtomicReference<T> recordFactory = new AtomicReference<>(); |
| |
| public void setup() { |
| if (scriptNeedsReload.get() || recordFactory.get() == null) { |
| if (ScriptingComponentHelper.isFile(scriptingComponentHelper.getScriptPath())) { |
| if (!reloadScriptFile(scriptingComponentHelper.getScriptPath())) { |
| throw new ProcessException("Error during loading of script"); |
| } |
| } else { |
| if (!reloadScriptBody(scriptingComponentHelper.getScriptBody())) { |
| throw new ProcessException("Error during loading of script"); |
| } |
| } |
| scriptNeedsReload.set(false); |
| } |
| } |
| } |
