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/*
* 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.tuscany.sca.assembly.xml;
import java.io.InputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory;
import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl;
import org.apache.tuscany.sca.policy.DefaultPolicyFactory;
import org.apache.tuscany.sca.policy.PolicyFactory;
/**
* Test the performance of StAX parsing.
*
* @version $Rev$ $Date$
*/
public class StAXPerfTest {
private XMLInputFactory inputFactory;
private AssemblyFactory assemblyFactory;
private PolicyFactory policyFactory;
private InterfaceContractMapper interfaceContractMapper;
private ExtensibleStAXArtifactProcessor staxProcessor;
private DefaultStAXArtifactProcessorExtensionPoint staxProcessors;
public static void main(String[] args) throws Exception {
StAXPerfTest perfTest = new StAXPerfTest();
perfTest.setUp();
// Warm up
for (long i = 0; i < 500; i++) {
perfTest.testReadComposite();
}
long begin = System.currentTimeMillis();
long iter = 50000;
for (long i = 0; i < iter; i++) {
perfTest.testReadComposite();
}
long end = System.currentTimeMillis();
System.out.println("Iterations: " + iter);
double time = ((double)(end - begin)) / ((double)iter);
System.out.println("Time: " + time);
System.out.println("Memory: " + Runtime.getRuntime().totalMemory() / 1024);
}
public void setUp() throws Exception {
inputFactory = XMLInputFactory.newInstance();
assemblyFactory = new DefaultAssemblyFactory();
policyFactory = new DefaultPolicyFactory();
interfaceContractMapper = new InterfaceContractMapperImpl();
staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint();
staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, XMLInputFactory.newInstance(), XMLOutputFactory.newInstance());
}
public void tearDown() throws Exception {
assemblyFactory = null;
policyFactory = null;
inputFactory = null;
staxProcessors = null;
}
public void testReadComposite() throws Exception {
InputStream is = getClass().getResourceAsStream("TestAllCalculator.composite");
CompositeProcessor loader = new CompositeProcessor(assemblyFactory,
policyFactory, interfaceContractMapper, staxProcessor);
XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
Composite composite = loader.read(reader);
is.close();
if (composite == null) {
throw new IllegalStateException("Null composite");
}
}
}
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