| /* |
| * Copyright (c) 2014, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Martin Vojtek - 2.6.0 - initial implementation |
| package org.eclipse.persistence.testing.perf.jpa.persistence_content_handler; |
| |
| import java.io.StringReader; |
| |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| |
| import org.eclipse.persistence.internal.jpa.deployment.xml.parser.PersistenceContentHandler; |
| import org.eclipse.persistence.internal.jpa.deployment.xml.parser.XMLExceptionHandler; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.infra.Blackhole; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.XMLReader; |
| |
| /** |
| * This benchmark demonstrates PersistenceContentHandler performance. |
| * |
| * @author Martin Vojtek (martin.vojtek@oracle.com) |
| * |
| */ |
| @State(Scope.Benchmark) |
| public class PersistenceContentHandlerBenchmark { |
| |
| public static final String DYNAMIC_PERSISTENCE_NAME = "dynamic"; |
| static final String DYNAMIC_PERSISTENCE_XML = |
| "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + |
| "<persistence version=\"1.0\" xmlns=\"http://java.sun.com/xml/ns/persistence\" " + |
| "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " + |
| "xsi:schemaLocation=\"http://java.sun.com/xml/ns/persistence " + |
| "http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd\">" + |
| "<persistence-unit name=\"" + DYNAMIC_PERSISTENCE_NAME + |
| "\" transaction-type=\"RESOURCE_LOCAL\">" + |
| "<exclude-unlisted-classes>true</exclude-unlisted-classes>" + |
| "</persistence-unit>" + |
| "</persistence>"; |
| |
| private SAXParserFactory spf; |
| |
| /* |
| * Initial setup. |
| */ |
| @Setup |
| public void prepare() throws Exception { |
| spf = SAXParserFactory.newInstance(); |
| spf.setNamespaceAware(true); |
| } |
| |
| @Benchmark |
| public void testPersistenceContentHandler(Blackhole bh) throws Exception { |
| PersistenceContentHandler myContentHandler = new PersistenceContentHandler(); |
| SAXParser sp = spf.newSAXParser(); |
| XMLReader xmlReader = sp.getXMLReader(); |
| XMLExceptionHandler xmlErrorHandler = new XMLExceptionHandler(); |
| xmlReader.setErrorHandler(xmlErrorHandler); |
| xmlReader.setContentHandler(myContentHandler); |
| InputSource inputSource = new InputSource(new StringReader(DYNAMIC_PERSISTENCE_XML)); |
| xmlReader.parse(inputSource); |
| bh.consume(inputSource); |
| bh.consume(myContentHandler); |
| bh.consume(xmlReader); |
| } |
| } |