| /******************************************************************************* |
| * 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.olingo.odata2.core.ep; |
| |
| import static org.junit.Assert.assertNotNull; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import javax.xml.stream.FactoryConfigurationError; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamWriter; |
| |
| import org.apache.olingo.odata2.api.edm.Edm; |
| import org.apache.olingo.odata2.api.edm.EdmEntitySet; |
| import org.apache.olingo.odata2.api.ep.EntityProviderWriteProperties; |
| import org.apache.olingo.odata2.api.exception.ODataException; |
| import org.apache.olingo.odata2.api.uri.ExpandSelectTreeNode; |
| import org.apache.olingo.odata2.core.commons.XmlHelper; |
| import org.apache.olingo.odata2.core.ep.aggregator.EntityInfoAggregator; |
| import org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer; |
| import org.apache.olingo.odata2.core.ep.util.CircleStreamBuffer; |
| import org.apache.olingo.odata2.testutil.helper.StringHelper; |
| import org.apache.olingo.odata2.testutil.mock.MockFacade; |
| import org.custommonkey.xmlunit.exceptions.XpathException; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * |
| */ |
| public class PerformanceTest extends AbstractProviderTest { |
| |
| public PerformanceTest(final StreamWriterImplType type) { |
| super(type); |
| } |
| |
| private static final long TIMES = 100L; // increase for manual performance testing (also increase vm memory -Xmx1G) |
| |
| private AtomEntryEntityProducer provider; |
| private EdmEntitySet edmEntitySet; |
| private OutputStream outStream = null; |
| private CircleStreamBuffer csb; |
| private XMLStreamWriter writer; |
| |
| private boolean useCsb = true; |
| |
| @Before |
| public void before() throws Exception { |
| EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).build(); |
| provider = new AtomEntryEntityProducer(properties); |
| edmEntitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"); |
| |
| if (useCsb) { |
| csb = new CircleStreamBuffer(); |
| outStream = csb.getOutputStream(); |
| } else { |
| outStream = new ByteArrayOutputStream(); |
| } |
| |
| writer = XmlHelper.getXMLOutputFactory().createXMLStreamWriter(outStream, "utf-8"); |
| |
| writer.writeStartElement("junit"); |
| writer.writeDefaultNamespace(Edm.NAMESPACE_ATOM_2005); |
| writer.writeNamespace(Edm.PREFIX_M, Edm.NAMESPACE_M_2007_08); |
| writer.writeNamespace(Edm.PREFIX_D, Edm.NAMESPACE_D_2007_08); |
| writer.writeAttribute(Edm.PREFIX_XML, Edm.NAMESPACE_XML_1998, "base", "xxx"); |
| } |
| |
| @After |
| public void after() throws Exception { |
| writer.writeEndElement(); |
| writer.flush(); |
| outStream.flush(); |
| |
| if (useCsb) { |
| String content = StringHelper.inputStreamToString(csb.getInputStream()); |
| assertNotNull(content); |
| } else { |
| InputStream in = new ByteArrayInputStream(((ByteArrayOutputStream) outStream).toByteArray()); |
| String content = StringHelper.inputStreamToString(in); |
| assertNotNull(content); |
| } |
| |
| try { |
| |
| } finally { |
| outStream.close(); |
| } |
| } |
| |
| @Test |
| public void readAtomEntry() throws IOException, XpathException, SAXException, XMLStreamException, |
| FactoryConfigurationError, ODataException { |
| long t = startTimer(); |
| |
| for (int i = 0; i < TIMES; i++) { |
| ExpandSelectTreeNode epProperties = null; |
| EntityInfoAggregator eia = EntityInfoAggregator.create(edmEntitySet, epProperties); |
| provider.append(writer, eia, roomData, false, false); |
| } |
| stopTimer(t, "readAtomEntry"); |
| } |
| |
| @Test |
| public void readAtomEntryCsb() throws Exception { |
| useCsb = true; |
| before(); |
| assertNotNull(csb); |
| |
| long t = startTimer(); |
| |
| for (int i = 0; i < TIMES; i++) { |
| ExpandSelectTreeNode epProperties = null; |
| EntityInfoAggregator eia = EntityInfoAggregator.create(edmEntitySet, epProperties); |
| provider.append(writer, eia, roomData, false, false); |
| } |
| stopTimer(t, "readAtomEntry"); |
| } |
| |
| @Test |
| public void readAtomEntryOptimized() throws IOException, XpathException, SAXException, XMLStreamException, |
| FactoryConfigurationError, ODataException { |
| long t = startTimer(); |
| |
| ExpandSelectTreeNode epProperties = null; |
| EntityInfoAggregator eia = EntityInfoAggregator.create(edmEntitySet, epProperties); |
| for (int i = 0; i < TIMES; i++) { |
| provider.append(writer, eia, roomData, false, false); |
| } |
| stopTimer(t, "readAtomEntryOptimized"); |
| } |
| |
| @Test |
| public void readAtomEntryOptimizedCsb() throws Exception { |
| useCsb = true; |
| before(); |
| assertNotNull(csb); |
| |
| long t = startTimer(); |
| |
| ExpandSelectTreeNode epProperties = null; |
| EntityInfoAggregator eia = EntityInfoAggregator.create(edmEntitySet, epProperties); |
| for (int i = 0; i < TIMES; i++) { |
| provider.append(writer, eia, roomData, false, false); |
| } |
| stopTimer(t, "readAtomEntryOptimizedCsb"); |
| } |
| |
| private void stopTimer(long t, final String msg) { |
| t = (System.nanoTime() - t) / TIMES; |
| |
| long millis = t / (1000L * 1000L); |
| long micros = t % (1000L * 1000L); |
| |
| long sum = (t * TIMES) / (1000L * 1000L); |
| |
| log.debug(msg + ": " + millis + "." + micros / 1000L + "[ms] (" + TIMES + " in " + sum + " [ms])"); |
| } |
| |
| private long startTimer() { |
| long t = System.nanoTime(); |
| return t; |
| } |
| |
| } |