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author | kelvingoodson <kelvingoodson@13f79535-47bb-0310-9956-ffa450edef68> | 2010-05-27 12:19:53 +0000 |
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committer | kelvingoodson <kelvingoodson@13f79535-47bb-0310-9956-ffa450edef68> | 2010-05-27 12:19:53 +0000 |
commit | 4b3149233be777a531417eb0ca6bafff0483fa1c (patch) | |
tree | 092a63eebe76e5a1b80a4a653986abcb48ad34b2 /sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-jaxb/src/test/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextCacheTestCase.java | |
parent | 5597870af886f872a22ffdbf9bf9aba15b89bc4a (diff) |
Branch for 2.0 Milestone M5
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@948800 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-jaxb/src/test/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextCacheTestCase.java')
-rw-r--r-- | sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-jaxb/src/test/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextCacheTestCase.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-jaxb/src/test/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextCacheTestCase.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-jaxb/src/test/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextCacheTestCase.java new file mode 100644 index 0000000000..9dd5892f7c --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-jaxb/src/test/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextCacheTestCase.java @@ -0,0 +1,122 @@ +/* + * 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.databinding.jaxb; + +import java.io.StringReader; +import java.io.StringWriter; + +import javax.xml.bind.JAXBContext; +import javax.xml.bind.JAXBElement; +import javax.xml.bind.JAXBException; +import javax.xml.namespace.QName; +import javax.xml.transform.Source; +import javax.xml.transform.stream.StreamSource; + +import org.apache.tuscany.sca.common.java.collection.LRUCache; +import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; +import org.junit.Assert; +import org.junit.Test; + +import com.example.ipo.jaxb.Address; +import com.example.ipo.jaxb.PurchaseOrderType; + +/** + * @version $Rev$ $Date$ + */ +public class JAXBContextCacheTestCase { + @Test + public void testCache() throws JAXBException { + JAXBContextCache cache = new JAXBContextCache(new DefaultExtensionPointRegistry()); + JAXBContext context1 = cache.getJAXBContext(String.class); + JAXBContext context2 = cache.getJAXBContext(int.class); + JAXBContext context3 = cache.getJAXBContext(String[].class); + JAXBContext context4 = cache.getJAXBContext(Source.class); + Assert.assertSame(context1, context2); + Assert.assertNotSame(context2, context3); + Assert.assertSame(context1, context4); + + QName name = new QName("http://example.com/ns1", "e1"); + JAXBElement<String> element = new JAXBElement<String>(name, String.class, "123"); + StringWriter sw = new StringWriter(); + context4.createMarshaller().marshal(element, sw); + StreamSource source = new StreamSource(new StringReader(sw.toString()), null); + context4.createUnmarshaller().unmarshal(source, String.class); + + JAXBContext context5 = cache.getJAXBContext(Address.class); + JAXBContext context6 = cache.getJAXBContext(PurchaseOrderType.class); + Assert.assertSame(context5, context6); + } + + @Test + public void testLRUCache() { + LRUCache<String, String> cache = new LRUCache<String, String>(3); + cache.put("1", "A"); + Assert.assertEquals(1, cache.size()); + cache.put("2", "B"); + Assert.assertEquals(2, cache.size()); + cache.put("3", "C"); + Assert.assertEquals(3, cache.size()); + cache.put("4", "D"); + Assert.assertEquals(3, cache.size()); + String data = cache.get("1"); + Assert.assertNull(data); + data = cache.get("2"); + Assert.assertEquals("B", data); + cache.put("5", "E"); + data = cache.get("2"); + Assert.assertEquals("B", data); + } + + @Test + public void testPerf() throws JAXBException { + JAXBContextCache cache = new JAXBContextCache(new DefaultExtensionPointRegistry()); + + // Test JAXBContext for simple java classes + long start = System.currentTimeMillis(); + for (int i = 0; i < 100; i++) { + JAXBContext context = JAXBContext.newInstance(String.class); + } + long end = System.currentTimeMillis(); + long d1 = end - start; + start = System.currentTimeMillis(); + for (int i = 0; i < 100; i++) { + JAXBContext context = cache.getJAXBContext(String.class); + } + end = System.currentTimeMillis(); + long d2 = end - start; + System.out.println(d1 + "ms vs. " + d2 + "ms"); + + // Test JAXBContext for generated JAXB classes + start = System.currentTimeMillis(); + for (int i = 0; i < 20; i++) { + JAXBContext context = JAXBContext.newInstance(PurchaseOrderType.class); + } + end = System.currentTimeMillis(); + d1 = end - start; + start = System.currentTimeMillis(); + for (int i = 0; i < 20; i++) { + JAXBContext context = cache.getJAXBContext(PurchaseOrderType.class); + } + end = System.currentTimeMillis(); + d2 = end - start; + System.out.println(d1 + "ms vs. " + d2 + "ms"); + + } +} |