Examples of commonj.sdo.DataObject

commonj.sdo.DataObject
A data object is a representation of some structured data. It is the fundamental component in the SDO (Service Data Objects) package. Data objects support reflection, path-based accesss, convenience creation and deletion methods, and the ability to be part of a {@link DataGraph data graph}.
Each data object holds its data as a series of {@link Property Properties}. Properties can be accessed by name, property index, or using the property meta object itself. A data object can also contain references to other data objects, through reference-type Properties.
A data object has a series of convenience accessors for its Properties. These methods either use a path (String), a property index, or the {@link Property property's meta object} itself, to identify the property.Some examples of the path-based accessors are as follows:
```
 DataObject company = ...; company.get("name");                   is the same as company.get(company.getType().getProperty("name")) company.set("name", "acme"); company.get("department.0/name")       is the same as ((DataObject)((List)company.get("department")).get(0)).get("name") .n  indexes from 0 ... implies the name property of the first department company.get("department[1]/name")      [] indexes from 1 ... implies the name property of the first department company.get("department[number=123]")  returns the first department where number=123 company.get("..")                      returns the containing data object company.get("/")                       returns the root containing data object 
```
There are general accessors for Properties, i.e., {@link #get(Property) get} and {@link #set(Property,Object) set}, as well as specific accessors for the primitive types and commonly used data types like String, Date, List, BigInteger, and BigDecimal.

            DAS das = DAS.FACTORY.createDAS(mapping, conn);
            Command select = das.createCommand("SELECT logSeqNo, accountNumber, actionType, amount FROM acctLog where id = ?");


            select.setParameter(1, customerID);


            DataObject root = select.executeQuery();
            accountLog.getAccountLogEntries().addAll(root.getList("AccountLogEntry"));


            select = das.createCommand("SELECT logSeqNo, Symbol, quantity, actionType, purchaseLotNumber  FROM stockLog where id = ?");
            select.setParameter(1, customerID);
            root = select.executeQuery();
            accountLog.getStockLogEntries().addAll(root.getList("StockLogEntry"));


            conn.close();


            return accountLog;
        } catch (Exception e) {

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    }


    public final void testTransform() {
        String xml = new DataObject2String().transform(dataObject, context);
        Assert.assertTrue(xml.indexOf("<city>San Jose</city>") != -1);
        DataObject po = new String2DataObject().transform(xml, reversedContext);
        Assert.assertTrue(po instanceof PurchaseOrderType);
        PurchaseOrderType orderType = (PurchaseOrderType)po;
        Assert.assertEquals("San Jose", orderType.getBillTo().getCity());
    }

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    public final void testXML() {
        String xml =
            "<foo xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " 
            + "xmlns:ipo=\"http://www.example.com/IPO\" xsi:type=\"ipo:USAddress\"/>";
        DataObject dataObject = new String2DataObject().transform(xml, reversedContext);
        context.setSourceDataType(new DataTypeImpl<XMLType>(DataObject.class.getName(), DataObject.class, null));
        xml = new DataObject2String().transform(dataObject, context);
        Assert.assertTrue(xml.contains("xsi:type=\"ipo:USAddress\""));
    }

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            int event = reader.next();
            if (event == XMLStreamConstants.START_ELEMENT) {
                break;
            }
        }
        DataObject d = new XMLStreamReader2DataObject().transform(reader, reversedContext);
        assertNotNull(d);
        assertTrue(EqualityHelper.INSTANCE.equal(dataObject, d));
    }

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        Node node = new DataObject2Node().transform(dataObject, context);
        Assert.assertNotNull(node);
        Element element = (Element) node;
        Assert.assertEquals(ORDER_QNAME.getNamespaceURI(), element.getNamespaceURI());
        Assert.assertEquals(ORDER_QNAME.getLocalPart(), element.getLocalName());
        DataObject po = new Node2DataObject(new DefaultExtensionPointRegistry()).transform(node, reversedContext);
        Assert.assertTrue(po instanceof PurchaseOrderType);
        PurchaseOrderType orderType = (PurchaseOrderType)po;
        Assert.assertEquals("San Jose", orderType.getBillTo().getCity());
    }

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    public Object copy(Object arg, DataType dataType, DataType targetDataType, Operation operation, Operation targetOperation) {
        HelperContext context = SDOContextHelper.getHelperContext(operation);
        CopyHelper copyHelper = context.getCopyHelper();
        if (arg instanceof XMLDocument) {
            XMLDocument document = (XMLDocument)arg;
            DataObject dataObject = copyHelper.copy(document.getRootObject());
            return context.getXMLHelper().createDocument(dataObject,
                                                         document.getRootElementURI(),
                                                         document.getRootElementName());
        } else if (arg instanceof DataObject) {
            return context.getCopyHelper().copy((DataObject)arg);

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        xsdHelper.define(getClass().getResourceAsStream("/wrapper.xsd"), null);
        ElementInfo element = new ElementInfo(new QName("http://www.example.com/wrapper", "op"), null);
        Operation op = new OperationImpl();
        WrapperInfo wrapperInfo = new WrapperInfo(SDODataBinding.NAME, element, null, null, null);
        op.setWrapper(wrapperInfo);
        DataObject wrapper = (DataObject) handler.create(op, true);
        assertNotNull(wrapper);
    }

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        CommandGroup commandGroup = CommandGroup.FACTORY.createCommandGroup(getConfig("CustomersOrdersConfig.xml"));
        commandGroup.setConnection(getConnection());


        Command read = commandGroup.getCommand("all customers");
        DataObject root = read.executeQuery();


        assertEquals(5, root.getList("CUSTOMER").size());


    }

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        CommandGroup commandGroup = CommandGroup.FACTORY.createCommandGroup(getConfig("CustOrdersConnectionProps.xml"));


        Command read = commandGroup.getCommand("order by id with ?");
        read.setParameterValue(1, new Integer(1));
        DataObject root = read.executeQuery();


        assertEquals("recombobulator", root.getString("ANORDER[1]/PRODUCT"));


    }

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    public void testReadWithConnectionProperties() throws Exception {


        CommandGroup commandGroup = CommandGroup.FACTORY.createCommandGroup(getConfig("CustOrdersConnectionProps.xml"));


        Command read = commandGroup.getCommand("all customers");
        DataObject root = read.executeQuery();


        assertEquals(5, root.getList("CUSTOMER").size());


    }

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