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diff --git a/sdo-java/branches/sdo-1.1-incubating/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryOnDataObjectTestCase.java b/sdo-java/branches/sdo-1.1-incubating/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryOnDataObjectTestCase.java
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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.sdo.test;
+
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.math.BigDecimal;
+import java.net.URL;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sdo.api.SDOUtil;
+
+import commonj.sdo.ChangeSummary;
+import commonj.sdo.DataGraph;
+import commonj.sdo.DataObject;
+import commonj.sdo.Property;
+import commonj.sdo.Type;
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.helper.TypeHelper;
+import commonj.sdo.helper.XSDHelper;
+
+
+public class ChangeSummaryOnDataObjectTestCase extends TestCase {
+
+  
+  private final String TEST_DATA = "/simplechangesummary.xml";
+  HelperContext hc;
+  XSDHelper xh;
+  TypeHelper th;
+
+  public void testBasicsDO() {
+    Type cst = th.getType("commonj.sdo","ChangeSummaryType");
+    Type strt = th.getType("commonj.sdo", "String");
+    
+    Type newt = SDOUtil.createType(hc, "testcases.changesummary", "simpleCS", false);
+    Property strProp = SDOUtil.createProperty(newt, "strElem", strt);
+    SDOUtil.createProperty(newt, "changeSummary", cst);
+    
+    DataObject iNewt = hc.getDataFactory().create(newt);
+        
+    testBasicsBody(strProp, iNewt);
+}
+
+  public void testBasicsDG() {
+
+    Type strt = th.getType("commonj.sdo", "String");
+    
+
+    Type newt = SDOUtil.createType(hc, "testcases.changesummary", "simpleNOCS", false);
+    Property strProp = SDOUtil.createProperty(newt, "strElem", strt);
+
+    DataGraph graph = SDOUtil.createDataGraph();
+    DataObject iNewt = graph.createRootObject(newt);
+    
+    testBasicsBody(strProp, iNewt);
+}
+  
+  
+  /**
+   * @param strProp
+   * @param iNewt
+   */
+  private void testBasicsBody(Property strProp, DataObject iNewt) {
+    ChangeSummary cs = iNewt.getChangeSummary();
+    cs.beginLogging();
+
+    List co = cs.getChangedDataObjects();
+    assertEquals(0, co.size());
+    iNewt.set(strProp, "some text");
+    assertEquals(0, co.size());
+    co = cs.getChangedDataObjects();
+    assertEquals(1, co.size());
+    
+    List oldValues = cs.getOldValues((DataObject)co.get(0));
+    
+    ChangeSummary.Setting ov1 = (ChangeSummary.Setting)oldValues.get(0);
+    Property p = ov1.getProperty();
+    assertEquals("strElem", p.getName());
+    Object v = ov1.getValue();
+    assertEquals(null, v);
+
+    assertTrue(cs.isLogging());
+    cs.endLogging();
+    assertFalse(cs.isLogging());
+    
+  }
+
+
+
+  public void testDynamicNestedDataObjectsDG() throws Exception {
+    DataGraph dataGraph = SDOUtil.createDataGraph();
+    DataObject quote = dataGraph.createRootObject(th.getType("http://www.example.com/simple", "Quote"));
+
+    testDynamicNestedDOBody(quote);
+    
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    SDOUtil.saveDataGraph(dataGraph, baos, null);
+    // SDOUtil.saveDataGraph(dataGraph, System.out, null);
+    
+   assertTrue(TestUtil.equalXmlFiles(new ByteArrayInputStream(baos.toByteArray()), getClass().getResource(TEST_DATA)));
+
+   
+    assertEquals(1, quote.getList("quotes").size());
+    assertEquals("fbnt", quote.getString("symbol"));
+    dataGraph.getChangeSummary().undoChanges();
+    // SDOUtil.saveDataGraph(dataGraph, System.out, null);
+    assertEquals(0, quote.getList("quotes").size());
+    assertNull(quote.getString("symbol"));
+    
+
+  }
+  
+  public void testDynamicNestedDataObjectsDO() throws Exception {
+    Type quoteType = th.getType("http://www.example.com/simpleCS", "RootQuote");
+    DataObject quote = hc.getDataFactory().create(quoteType);
+
+    testDynamicNestedDOBody(quote);   
+    //hc.getXMLHelper().save(quote, "http://www.example.com/simpleCS", "stockQuote", System.out);
+    assertEquals(1, quote.getList("quotes").size());
+    assertEquals("fbnt", quote.getString("symbol"));
+
+    quote.getChangeSummary().undoChanges();
+    
+    assertEquals(0, quote.getList("quotes").size());
+    assertNull(quote.getString("symbol"));
+
+    
+
+  }
+  
+  /**
+   * @param quote
+   */
+  private void testDynamicNestedDOBody(DataObject quote) {
+    // Begin logging changes
+    //
+    ChangeSummary changeSummary = quote.getChangeSummary();
+    assertNotNull(changeSummary);
+    assertFalse(changeSummary.isLogging());
+    changeSummary.beginLogging();
+    
+
+    // Modify the data graph in various fun and interesting ways
+    //
+    quote.setString("symbol", "fbnt");
+    quote.setString("companyName", "FlyByNightTechnology");
+    quote.setBigDecimal("price", new BigDecimal("1000.0"));
+    quote.setBigDecimal("open1", new BigDecimal("1000.0"));
+    quote.setBigDecimal("high", new BigDecimal("1000.0"));
+    quote.setBigDecimal("low", new BigDecimal("1000.0"));
+    quote.setDouble("volume", 1000);
+    quote.setDouble("change1", 1000);
+
+    DataObject child = quote.createDataObject("quotes");
+    child.setBigDecimal("price", new BigDecimal("2000.0"));
+
+    changeSummary.endLogging();
+    assertEquals(2, changeSummary.getChangedDataObjects().size());  // 2 DataObjects
+    assertTrue(changeSummary.getChangedDataObjects().contains(quote));
+    assertTrue(changeSummary.getChangedDataObjects().contains(child));
+    assertFalse(changeSummary.isCreated(quote));
+    assertTrue(changeSummary.isCreated(child));
+    
+    ChangeSummary.Setting ov = changeSummary.getOldValue(quote, quote.getType().getProperty("symbol"));
+    assertNull(ov.getValue());
+    
+
+  }
+
+  protected void setUp() throws Exception {
+    super.setUp();
+
+//    uncomment these lines for sending aspect trace to a file
+//    tracing.lib.TraceMyClasses tmc = (TraceMyClasses)Aspects.aspectOf(TraceMyClasses.class);
+//    tmc.initStream(new PrintStream("c:\\temp\\trace.log"));
+
+    // Populate the meta data for the test (Stock Quote) model
+    URL url = getClass().getResource("/simple.xsd");
+    InputStream inputStream = url.openStream();
+    hc = SDOUtil.createHelperContext();
+    th = hc.getTypeHelper();
+    xh = hc.getXSDHelper();
+    xh.define(inputStream, url.toString());
+    inputStream.close();
+
+    URL url2 = getClass().getResource("/simpleWithChangeSummary.xsd");
+    InputStream inputStream2 = url2.openStream();
+    xh.define(inputStream2, url2.toString());
+    inputStream.close();
+    
+    
+  
+}
+
+}