Examples of commonj.sdo.helper.DataFactory

commonj.sdo.helper.DataFactory
A Factory for creating DataObjects. The created DataObjects are not connected to any other DataObjects.

    public Object create(ElementInfo element, TransformationContext context) {
        DataObject wrapper = null;
        HelperContext helperContext = SDOContextHelper.getHelperContext(context);
        Type sdoType = getSDOType(helperContext, element);
        if (sdoType != null) {
            DataFactory dataFactory = helperContext.getDataFactory();
            return dataFactory.create(sdoType);
        }
        return null;
    }

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            SDOAttachmentUnmarshaller unmarshaller = null;
            if (au != null) {
                unmarshaller = new SDOAttachmentUnmarshaller(au);
            }


            DataFactory dataFactory = context.getDataFactory();
            DataObject loadOptions = dataFactory.create(SDOConstants.ORACLE_SDO_URL, SDOConstants.XMLHELPER_LOAD_OPTIONS);
            //bug 8680450
            loadOptions.set(SDOConstants.TYPE_LOAD_OPTION, theType);
            if (unmarshaller != null) {
                loadOptions.set(SDOConstants.ATTACHMENT_UNMARSHALLER_OPTION, unmarshaller);
            }

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                return;
            }
            xmlDoc.setXMLDeclaration(false);
            DataObject saveOptions = null;
            if (marshaller != null) {
                DataFactory dataFactory = parent.getHelperContext().getDataFactory();
                saveOptions = dataFactory.create(SDOConstants.ORACLE_SDO_URL,
                    SDOConstants.XMLHELPER_LOAD_OPTIONS);
                saveOptions.set(SDOConstants.ATTACHMENT_MARSHALLER_OPTION, marshaller);
            }
            sdoXMLHelper.save(xmlDoc, result, saveOptions);

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                    typeHelper = TypeHelper.INSTANCE;
                }
            }
        }
        QName typeName = element.getType().getQName();
        DataFactory dataFactory = SDOUtil.createDataFactory(typeHelper);
        DataObject root = dataFactory.create(typeName.getNamespaceURI(), typeName.getLocalPart());
        XMLHelper xmlHelper = SDOUtil.createXMLHelper(typeHelper);
        return xmlHelper.createDocument(root, element.getQName().getNamespaceURI(), element.getQName().getLocalPart());
    }

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            throw new InvocationRuntimeException(
                "Type '" + elementQName.toString() + "' not found in registered SDO types.");
        }
        DataObject dataObject;
        if (isWrapped) {
            DataFactory dataFactory = SDOUtil.createDataFactory(typeHelper);
            dataObject = dataFactory.create(property.getType());
            List ips = dataObject.getInstanceProperties();
            for (int i = 0; i < ips.size(); i++) {
                dataObject.set(i, os[i]);
            }
        } else {

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        "The DataFactory associated with the scope that the types were created within\n"
            + "can be used to create an instance of the Person Type\n\n"
            + "DataFactory dataFactory = scope.getDataFactory();\n"
            + "DataObject person1 = dataFactory.create(\"www.example.org/people\", \"Person\");");


    DataFactory dataFactory = scope.getDataFactory();
    DataObject person1 = dataFactory.create("www.example.org/people", "Person");


    commentary("The setString() of dataObject method is used to set the properties of the\n"
        + "new Person DataObject, including a unique identifier reference value\n"
        + "for the Person instance.\n\n"
        + "person1.setString(\"id\", \"1\");\n"
        + "person1.setString(\"name\", \"Joe Johnson Snr.\");\n"
        + "person1.setString(\"gender\", \"male\"););");


    person1.setString("id", "1");
    person1.setString("name", "Joe Johnson Snr.");
    person1.setString("gender", "male");


    commentary("An alternative approach to using the DataFactory directly to create\n"
        + "all DataObjects is to use a top-down approach,  where we create the\n"
        + "root object for a data graph,  and then use the createDataObject(String propertyName)\n"
        + "method to create the contained DataObjects.  Here we create the overall\n"
        + "medical test DataObject,  and then create the contained \"referrals\" DataObject\n\n"
        + "DataObject test = dataFactory.create(\"www.example.org/MedicalTest\", \"Test\");\n"
        + "DataObject referrals = test.createDataObject(\"referrals\");");


    DataObject test = dataFactory.create("www.example.org/MedicalTest", "Test");
    DataObject referrals = test.createDataObject("referrals");


    commentary("Now we can add the person we created earlier into the set of people who have\n"
        + "been referred for this medical test.\n\n"
        + "test.set(\"referrals\", referrals);\n"
        + "referrals.getList(\"person\").add(person1);");


    test.set("referrals", referrals);
    referrals.getList("person").add(person1);


    commentary("Let's take a look at how the current state of the data"
        + "graph is rendered in XML ...");


    System.out.println(scope.getXMLHelper().save(test,
        "www.example.org/MedicalTest", "test"));


    commentary("The scenario unfolds and the Joe Johnson Snr. becomes a patient\n\n"
        + "DataObject patients = test.createDataObject(\"patients\");\n"
        + "patients.getList(\"person\").add(person1);");


    DataObject patients = test.createDataObject("patients");


    patients.getList("person").add(person1);


    commentary("Having added Joe Johnson Snr. to the set of patients we can see\n"
        + "the way that SDO preserves a single containment hierarchy within a\n"
        + "datagraph.  If we look at the XML rendering of the graph again, we will\n"
        + "see that by adding him to the set of patients he has been removed from the\n"
        + "containment property associated with the referrals set ...");


    System.out.println(scope.getXMLHelper().save(test,
        "www.example.org/MedicalTest", "test"));


    commentary("The 'Person' Type we are making use of here has been designed to be\n"
        + "multi-purpose,  in that the type has been declared to be 'Open'.\n"
        + "That means that we can make use of 'Open Content' Properties\n"
        + "(If the type system has been defined using an XML schema\n"
        + "then these properties will derive from global elements)\n"
        + "We can look up open content Properties using the TypeHelper\n\n"
        + "Property conditionProperty = scope.getTypeHelper().getOpenContentProperty(\n"
        + "    \"www.example.org/MedicalTest\", \"condition\");");


    Property conditionProperty = scope.getTypeHelper().getOpenContentProperty(
        "www.example.org/MedicalTest", "condition");


    commentary("We can create a value of the appropriate Type for this open\n"
        + "content Property\n\n"
        + "DataObject condition = dataFactory.create(conditionProperty.getType());\n"
        + "condition.setString(\"name\", \"Panar Syndrome\");");


    DataObject condition = dataFactory.create(conditionProperty.getType());
    condition.setString("name", "Panar Syndrome");


    commentary("If you ask a DataObject that has an 'Open' Type for its list of\n"
        + "values associated with an open content Property, and the DataObject\n"
        + "doesn't currently have any values for the Property,  it will return\n"

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        "The DataFactory associated with the scope that the types were created within\n"
            + "can be used to create an instance of the Person Type\n\n"
            + "DataFactory dataFactory = scope.getDataFactory();\n"
            + "DataObject person1 = dataFactory.create(\"www.example.org/people\", \"Person\");");


    DataFactory dataFactory = scope.getDataFactory();
    DataObject person1 = dataFactory.create("www.example.org/people", "Person");


    commentary("The setString() of dataObject method is used to set the properties of the\n"
        + "new Person DataObject, including a unique identifier reference value\n"
        + "for the Person instance.\n\n"
        + "person1.setString(\"id\", \"1\");\n"
        + "person1.setString(\"name\", \"Joe Johnson Snr.\");\n"
        + "person1.setString(\"gender\", \"male\"););");


    person1.setString("id", "1");
    person1.setString("name", "Joe Johnson Snr.");
    person1.setString("gender", "male");


    commentary("An alternative approach to using the DataFactory directly to create\n"
        + "all DataObjects is to use a top-down approach,  where we create the\n"
        + "root object for a data graph,  and then use the createDataObject(String propertyName)\n"
        + "method to create the contained DataObjects.  Here we create the overall\n"
        + "medical test DataObject,  and then create the contained \"referrals\" DataObject\n\n"
        + "DataObject test = dataFactory.create(\"www.example.org/MedicalTest\", \"Test\");\n"
        + "DataObject referrals = test.createDataObject(\"referrals\");");


    DataObject test = dataFactory.create("www.example.org/MedicalTest", "Test");


    DataObject referrals = test.createDataObject("referrals");


    commentary("The default state for monitoring changes for the DataObject when created in this\n" +
        "way is the monitoring is switched off, so we switch it on. (Note that if you\n" +
        "get your data graphs from a data Access Service then this service may turn on\n" +
        "change monitoring be default\n\n" +
        "test.getChangeSummary().beginLogging();");
    test.getChangeSummary().beginLogging();
    
    commentary("We'll repeat the whole of the MedicalScenario sample,  but then at the \n" +
        "last minute we'll decide it was all wrong and roll back the changes......");
    
    commentary("Now we can add the person we created earlier into the set of people who have\n"
        + "been referred for this medical test.\n\n"
        + "test.set(\"referrals\", referrals);\n"
        + "referrals.getList(\"person\").add(person1);");


    test.set("referrals", referrals);
    referrals.getList("person").add(person1);


    commentary("Let's take a look at how the current state of the data"
        + "graph is rendered in XML ...");


    System.out.println(scope.getXMLHelper().save(test,
        "www.example.org/MedicalTest", "test"));


    commentary("The scenario unfolds and the Joe Johnson Snr. becomes a patient\n\n"
        + "DataObject patients = test.createDataObject(\"patients\");\n"
        + "patients.getList(\"person\").add(person1);");


    DataObject patients = test.createDataObject("patients");


    patients.getList("person").add(person1);


    commentary("Having added Joe Johnson Snr. to the set of patients we can see\n"
        + "the way that SDO preserves a single containment hierarchy within a\n"
        + "datagraph.  If we look at the XML rendering of the graph again, we will\n"
        + "see that by adding him to the set of patients he has been removed from the\n"
        + "containment property associated with the referrals set ...");


    System.out.println(scope.getXMLHelper().save(test,
        "www.example.org/MedicalTest", "test"));


    commentary("The 'Person' Type we are making use of here has been designed to be\n"
        + "multi-purpose,  in that the type has been declared to be 'Open'.\n"
        + "That means that we can make use of 'Open Content' Properties\n"
        + "(If the type system has been defined using an XML schema\n"
        + "then these properties will derive from global elements)\n"
        + "We can look up open content Properties using the TypeHelper\n\n"
        + "Property conditionProperty = scope.getTypeHelper().getOpenContentProperty(\n"
        + "    \"www.example.org/MedicalTest\", \"condition\");");


    Property conditionProperty = scope.getTypeHelper().getOpenContentProperty(
        "www.example.org/MedicalTest", "condition");


    commentary("We can create a value of the appropriate Type for this open\n"
        + "content Property\n\n"
        + "DataObject condition = dataFactory.create(conditionProperty.getType());\n"
        + "condition.setString(\"name\", \"Panar Syndrome\");");


    DataObject condition = dataFactory.create(conditionProperty.getType());
    condition.setString("name", "Panar Syndrome");


    commentary("If you ask a DataObject that has an 'Open' Type for its list of\n"
        + "values associated with an open content Property, and the DataObject\n"
        + "doesn't currently have any values for the Property,  it will return\n"

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              "We are creating a DataObject using a DataFactory by specifying the URI and name of\n"+
              "the Type that we want to use for the DataObject.\n\n"+
              "DataFactory factory = scope.getDataFactory();\n"+
              "DataObject purchaseOrder = factory.create(SampleInfrastructure.PO_NAMESPACE, \"PurchaseOrderType\");");
          
          DataFactory factory = scope.getDataFactory();           
          DataObject purchaseOrder = factory.create(SampleInfrastructure.PO_NAMESPACE, "PurchaseOrderType");




          commentary(
              "Now we build on the graph using the DataObject's set() and createDataObject() methods.\n"+
              "Take a look inside the program code for the full detail of these steps");

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      commentary("Now we can create an instance of the type using the DataFactory associated with the type scope\n\n"+
          "DataFactory factory = scope.getDataFactory();\n"+
          "DataObject customer1 = factory.create(\"http://example.com/customer\", \"Customer\");");


      DataFactory factory = scope.getDataFactory();
      DataObject customer1 = factory.create("http://example.com/customer", "Customer");
      customer1.setInt("custNum", 1);
      customer1.set("firstName", "John");
      customer1.set("lastName", "Adams");


      commentary("Here's an XML String representing a DataObject we have created with the new type");

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    hc = SDOUtil.createHelperContext();
  }


  public void testDefineTypeRoundTrip() throws Exception {
    TypeHelper types = hc.getTypeHelper();
    DataFactory factory = hc.getDataFactory();
    XMLHelper xmlHelper = hc.getXMLHelper();


    Type intType = types.getType("commonj.sdo", "Int");
    Type stringType = types.getType("commonj.sdo", "String");
    
    // create a new Type for Customers
    DataObject customerType = factory.create("commonj.sdo",
    "Type");
    customerType.set("uri", "http://example.com/customer");
    customerType.set("name", "Customer");
    
    // create a customer number property
    DataObject custNumProperty = customerType.createDataObject("property");
    custNumProperty.set("name", "custNum");
    custNumProperty.set("type", intType);
     
    // create a first name property
    DataObject firstNameProperty =
    customerType.createDataObject("property");
    firstNameProperty.set("name", "firstName");
    firstNameProperty.set("type", stringType);


    // create a last name property
    DataObject lastNameProperty = customerType.createDataObject("property");
    lastNameProperty.set("name", "lastName");
    lastNameProperty.set("type", stringType);


    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    xmlHelper.save(customerType, "commonj.sdo", "type", baos);
    
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    XMLDocument xdoc = xmlHelper.load(bais);


    customerType = xdoc.getRootObject();
    
    // now define the Customer type so that customers can be made
    types.define(customerType);
    
    DataObject customer1 = factory.create("http://example.com/customer",
    "Customer");
    
    customer1.setInt("custNum", 1);
    customer1.set("firstName", "John");
    customer1.set("lastName", "Adams");
    DataObject customer2 = factory.create("http://example.com/customer",
    "Customer");    
    customer2.setInt("custNum", 2);
    customer2.set("firstName", "Jeremy");
    customer2.set("lastName", "Pavick");

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Related Classes of commonj.sdo.helper.DataFactory

com.sun.xml.ws.db.sdo.SDOBond

org.apache.tuscany.binding.axis2.util.SDODataBindingTestCase

org.apache.tuscany.binding.celtix.io.NodeDataWriter

org.apache.tuscany.databinding.sdo.SDOWrapperHandler

org.apache.tuscany.databinding.sdo.SDOXMLHelper

org.apache.tuscany.databinding.sdo.SDOXMLHelperTestCase

org.apache.tuscany.samples.sdo.advanced.MedicalScenario

org.apache.tuscany.samples.sdo.advanced.MedicalScenarioWithChangeMonitoring

org.apache.tuscany.samples.sdo.basic.CreatePurchaseOrder

org.apache.tuscany.samples.sdo.intermediate.DynamicCustomerTypeSample

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