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.

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


        // Read all customers and add one
        Command read = commandGroup.getCommand("all customers");
        DataObject root = read.executeQuery();
        int numCustomers = root.getList("CUSTOMER").size();


        DataObject newCust = root.createDataObject("CUSTOMER");
        newCust.set("ID", new Integer(100));
        newCust.set("ADDRESS", "5528 Wells Fargo Drive");
        newCust.set("LASTNAME", "Gerkin");


        // Now delete this new customer
        newCust.delete();


        ApplyChangesCommand apply = commandGroup.getApplyChangesCommand();
        apply.execute(root);


        // Verify

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        insert.execute();


        // Verify
        Command select = Command.FACTORY.createCommand("Select * from CUSTOMER where ID = 10");
        select.setConnection(getConnection());
        DataObject root = select.executeQuery();
        assertEquals(1, root.getList("CUSTOMER").size());
        assertEquals("5528 Wells Fargo Dr", root.get("CUSTOMER[1]/ADDRESS"));


    }

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        insert.execute();


        // Verify
        Command select = Command.FACTORY.createCommand("Select * from CUSTOMER where ID = 10");
        select.setConnection(getConnection());
        DataObject root = select.executeQuery();
        assertEquals(1, root.getList("CUSTOMER").size());
        assertEquals("5528 Wells Fargo Dr", root.get("CUSTOMER[1]/ADDRESS"));


    }

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


        // Read a specific company based on the known ID
        Command readCust = commandGroup.getCommand("all companies and departments");
        DataObject root = readCust.executeQuery();
        DataObject lastCustomer = root.getDataObject("COMPANY[3]");
        Iterator i = lastCustomer.getList("departments").iterator();
        Random generator = new Random();
        int random = generator.nextInt(1000) + 1;
        DataObject department;
        while (i.hasNext()) {
            department = (DataObject) i.next();
            // System.out.println("Modifying department: " +
            // department.getString("NAME"));
            department.setString("NAME", "Dept-" + random);
            random = random + 1;
        }


        ApplyChangesCommand apply = commandGroup.getApplyChangesCommand();
        apply.execute(root);

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        Relationship r = (Relationship) keyMappings.get(parameter);
        if (r == null)
            return dataObject.get(parameter);


        Property parentRef = getParentReference(r.getPrimaryKeyTable());
        DataObject parent = dataObject.getDataObject(parentRef);
        if (parent == null)
            return null;
        String parentKey = getParentKey(r, parameter);
        return parent.get(parentKey);


    }

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            wrapperName = callback.getOperationInfo().getResponseWrapperQName();
        } else {
            wrapperName = callback.getOperationInfo().getRequestWrapperQName();
        }


        DataObject obj = toWrappedDataObject(callback.getTypeHelper(),
                isOutbound ? objCtx.getReturn() : null,
                objCtx.getMessageObjects(),
                wrapperName);


        try {

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                                                 Object[] os,
                                                 QName typeQN) {
        XSDHelper xsdHelper = new XSDHelperImpl(typeHelper);
        Property property = xsdHelper.getGlobalProperty(typeQN.getNamespaceURI(),
                typeQN.getLocalPart(), true);
        DataObject dataObject = new DataFactoryImpl(typeHelper).create(property.getType());
        List ips = dataObject.getInstanceProperties();
        int offset = 0;
        if (ret != null) {
            dataObject.set(0, ret);
            offset = 1;
        }
        for (int i = offset; i < ips.size(); i++) {
            if (os[i - offset] instanceof Holder) {
                Holder<?> holder = (Holder<?>)os[i - offset];
                dataObject.set(i, holder.value);
            } else {
                dataObject.set(i, os[i - offset]);
            }
        }
        return dataObject;
    }

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            //REVISIT - This is SUCH a HACK.  This needs to be done with StAX or something
            //a bit better than streaming and reparsing
            InputStream in = getNodeStream(nd);
            XMLDocument document = new XMLHelperImpl(callback.getTypeHelper()).load(in);
            DataObject object = document.getRootObject();


            List ips = object.getInstanceProperties();
            Object[] os = new Object[object.getInstanceProperties().size()];
            for (int i = 0; i < os.length; i++) {
                os[i] = object.get((Property)ips.get(i));
            }


            if (callback.hasInOut()) {
                //REVISIT - inOuts
            } else {

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  public GraphMerger() {
    // Empty Constructor
  }


  public DataObject merge(List graphs) {
    DataObject primaryGraph = (DataObject) graphs.get(0);


    Iterator i = graphs.iterator();
    if (i.hasNext())
      i.next();
    while (i.hasNext()) {

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    while (i.hasNext()) {
      Property p = (Property) i.next();


      Iterator objects = secondary.getList(p.getName()).iterator();
      while (objects.hasNext()) {
        DataObject object = (DataObject) objects.next();
        createObjectWithSubtree(primary, p, object);
      }
    }
    ((ChangeSummaryImpl)summary).resumeLogging();
    return primary;

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