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Diffstat (limited to 'sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/ChangeSummarySave.cpp')
| -rw-r--r-- | sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/ChangeSummarySave.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/ChangeSummarySave.cpp b/sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/ChangeSummarySave.cpp new file mode 100644 index 0000000000..5a27683807 --- /dev/null +++ b/sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/ChangeSummarySave.cpp @@ -0,0 +1,188 @@ +/* + * 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. + */ + +/* $Rev$ $Date$ */ + +#include "samples.h" +using namespace std; + +void ChangeSummarySave::sample() +{ + cout << " ********** ChangeSummarySave sample********" << endl; + + try { + + DataFactoryPtr mdg = DataFactory::getDataFactory(); + + XSDHelperPtr xsh = HelperProvider::getXSDHelper(mdg); + xsh->defineFile("ChangeSummarySave.xsd"); + + /** + * Load the schema from ChangeSummarySave.xsd + */ + + const Type& tstring = mdg->getType("commonj.sdo","String"); + const Type& tbool = mdg->getType("commonj.sdo","Boolean"); + const Type& tcs = mdg->getType("commonj.sdo","ChangeSummary"); + const Type& tcomp = mdg->getType("companyNS","CompanyType"); + const Type& tdept = mdg->getType("companyNS","DepartmentType"); + const Type& temp = mdg->getType("companyNS","EmployeeType"); + + + /** + * create a graph, set the change summary logging, modify the + * data, then save it to a file + */ + + DataObjectPtr comp = mdg->create((Type&)tcomp); + comp->setCString("name","ACME"); + + DataObjectPtr dept = mdg->create((Type&)tdept); + DataObjectList& dol = comp->getList("departments"); + dol.append(dept); + + dept->setCString("name","Advanced Technologies"); + dept->setCString("location","NY"); + dept->setCString("number","123"); + + DataObjectPtr emp1 = mdg->create(temp); + DataObjectPtr emp2 = mdg->create(temp); + DataObjectPtr emp3 = mdg->create(temp); + + emp1->setCString("name","John Jones"); + emp1->setCString("SN","E0001"); + + emp2->setCString("name","Mary Smith"); + emp2->setCString("SN","E0002"); + emp2->setBoolean("manager",true); + + emp3->setCString("name","Jane Doe"); + emp3->setCString("SN","E0003"); + + DataObjectList& dol2 = dept->getList("employees"); + dol2.append(emp1); + dol2.append(emp2); + dol2.append(emp3); + + + /** + * Set the employee of the month - which is a reference, not + * a containment value + */ + + comp->setDataObject("employeeOfTheMonth",emp2); + + /** + * The XSD defined the company type as having a change summary, + * so we can get it... + */ + + ChangeSummaryPtr cs = comp->getChangeSummary(); + + /** + * And ask it to start logging... + */ + + cs->beginLogging(); + + /** + * With logging on, create a new employee + */ + + DataObjectPtr emp4 = mdg->create(temp); + emp4->setCString("name","Al Smith"); + emp4->setCString("SN","E0004"); + emp4->setBoolean("manager",true); + + /** + * The first recorded change happens now, as the employee is + * added into the data graph. Emp4 (Al Smith) will appear in the + * change summary as a creation. There will also be a change + * record for the list "employees" of this department, holding the + * values before Al was added. + */ + dol2.append(emp4); + + /** + * The second change is to remove element 1 from the + * same list - Thats Mary Smith. + * Mary will appear as a deletion, but there will be no extra + * change record for "employees", as its already been changed. + * Mary was employee of the month, so that reference gets + * emptied, and a change record is set up for it, recording + * Mary as the old value. + */ + + dol2.remove(1); // element 1 is Mary + + DataObjectPtr emp5 = mdg->create(temp); + emp5->setCString("name","Bill Withers"); + emp5->setCString("SN","E0005"); + + + /** + * The third change is to append Bill to the same list. + * Bill appears as a creation, but there is no change recorded to + * the employees list. + */ + + dol2.append(emp5); + + + /** + * The company name is changed. A change record is set up for + * the property "name" of this company. It stores the old value + * "ACME" + */ + + comp->setCString("name","MegaCorp"); + + /** + * The company employee of the month is changed. The old + * value has already been changed from Mary to NULL, so no change + * record is created here at all + */ + + comp->setDataObject("employeeOfTheMonth",emp4); + + + /** + * Stop logging changes + */ + + cs->endLogging(); + + + XMLHelperPtr xmh = HelperProvider::getXMLHelper(mdg); + XMLDocumentPtr doc = xmh->createDocument(comp,"companyNS","company"); + xmh->save(doc,"ChangeSummarySave-output.xml"); + + /** + * Have a look in the file and see if you can recognise the changes + * above + */ + + } + catch (SDORuntimeException e) + { + cout << "Exception in ChangeSummarySave" << endl; + cout << e; + } + cout << " ********** Sample ends ********************" << endl; +} |