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.

    Object pk = getPrimaryKey(object);


    if (!registry.contains(object.getType().getName(), Collections
        .singletonList(pk))) {
  //    logger.info("creating " + object.getType().getName() + " with pk " + pk);
      DataObject newObject = root.createDataObject(p.getName());


      


      Iterator attrs = object.getType().getProperties().iterator();
      while (attrs.hasNext()) {
        Property attr = (Property) attrs.next();
        if ( attr.getType().isDataType()) {
          newObject.set(attr.getName(), object.get(attr));
        } 
      }
      registry.put(object.getType().getName(), Collections
          .singletonList(pk), newObject);


      Iterator refs = object.getType().getProperties().iterator();
      while (refs.hasNext()) {
        Property ref = (Property) refs.next();
        if ( !ref.getType().isDataType()) {
          List refObjects;
          if (!ref.isMany()) {
            refObjects = Collections.singletonList(object.get(ref));
          } else {
            refObjects = (List) object.get(ref);
          }


          Iterator iter = refObjects.iterator();
          while (iter.hasNext()) {
            DataObject refObject = (DataObject) iter.next();
            createObjectWithSubtree(root, refObject
              .getContainmentProperty(), refObject);
          
            refObject = (DataObject) registry.get(refObject.getType().getName(), Collections.singletonList(getPrimaryKey(refObject)));
            if (ref.isMany()) {
              newObject.getList(
                newObject.getType().getProperty(ref.getName()))
                .add(refObject);
            } else

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    Iterator i = graph1.getType().getProperties().iterator();
    while (i.hasNext()) {
      Property p = (Property) i.next();
      Iterator objects = graph1.getList(p).iterator();
      while (objects.hasNext()) {
        DataObject object = (DataObject) objects.next();
        Object pk = object.get(getPrimaryKeyName(object));
        logger.finest("Adding object with pk " + pk + " to registry");
        registry.put(object.getType().getName(), Collections
            .singletonList(pk), object);
      }
    }
  }

View Full Code Here

    {


        //Read customer 1
        Command select = Command.FACTORY.createCommand( "Select * from CUSTOMER where ID = 1" );
        select.setConnection( getConnection() );
        DataObject root = select.executeQuery();


        DataObject customer = (DataObject) root.get( "CUSTOMER[1]" );


        //Modify customer
        customer.set( "LASTNAME", "Pavick" );


        //Build apply changes command
        ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand();
        apply.setConnection( getConnection() );


        //Manually create and add update command
        Command update = Command.FACTORY.createCommand( "update CUSTOMER set LASTNAME = :LASTNAME where ID = :ID" );
        update.addParameter( "LASTNAME", SDODataTypes.STRING );
        update.addParameter( "ID", SDODataTypes.INTEGER );
        apply.addUpdateCommand( customer.getType(), update );


        //Flush changes
        apply.execute( root );


        //Verify changes

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    {


        //Read customer 1
        Command select = Command.FACTORY.createCommand( "Select * from CUSTOMER where ID = 1" );
        select.setConnection( getConnection() );
        DataObject root = select.executeQuery();


        DataObject customer = (DataObject) root.get( "CUSTOMER[1]" );


        //Modify customer
        customer.set( "LASTNAME", "Pavick" );


        //Build apply changes command
        ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand(getConfig("basicCustomerMappingWithCUD.xml"));
        apply.setConnection( getConnection() );

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    {


        //Read customer with particular ID
        Command select = Command.FACTORY.createCommand( "Select * from CUSTOMER where ID = 1" );
        select.setConnection( getConnection() );
        DataObject root = select.executeQuery();


        DataObject customer = root.getDataObject( "CUSTOMER[1]" );


        //Modify customer
        customer.set( "LASTNAME", "Pavick" );


        //Build apply changes command
        ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand();
        apply.setConnection( getConnection() );

View Full Code Here

    {


        //Read customer with particular ID
        Command select = Command.FACTORY.createCommand( "Select * from CUSTOMER where ID = 1" );
        select.setConnection( getConnection() );
        DataObject root = select.executeQuery();


        DataObject customer = (DataObject) root.get( "CUSTOMER[1]" );


        //Modify customer
        customer.set( "LASTNAME", "Pavick" );


        //Build apply changes command
        ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand(getConfig("basicCustomerMapping.xml"));
        apply.setConnection( getConnection() );

View Full Code Here

    {


        //Read some customers
        Command select = Command.FACTORY.createCommand( "Select * from CUSTOMER where LASTNAME = 'Williams'" );
        select.setConnection( getConnection() );
        DataObject root = select.executeQuery();


        DataObject cust1 = (DataObject) root.getList( "CUSTOMER" ).get( 0 );
        DataObject cust2 = (DataObject) root.getList( "CUSTOMER" ).get( 1 );
        DataObject cust3 = (DataObject) root.getList( "CUSTOMER" ).get( 2 );


        //Modify a customer
        cust1.set( "LASTNAME", "Pavick" );
        int cust1ID = cust1.getInt( "ID" );


        //Save IDs before delete
        int cust2ID = cust2.getInt( "ID" );
        int cust3ID = cust3.getInt( "ID" );
        //Delete a couple
        cust2.delete();
        cust3.delete();


        //Create a new customer
        DataObject cust4 = root.createDataObject( "CUSTOMER" );
        cust4.set( "ID", new Integer( 100 ) );
        cust4.set( "ADDRESS", "5528 Wells Fargo Drive" );
        cust4.set( "LASTNAME", "Gerkin" );


        //Build apply changes command
        ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand(getConfig("basicCustomerMapping.xml"));
        apply.setConnection( getConnection() );

View Full Code Here


    //Read customer with particular ID
    Command select = Command.FACTORY
        .createCommand("Select * from CUSTOMER");
    select.setConnection(getConnection());
    DataObject root = select.executeQuery();


    DataObject customer = root.getDataObject("CUSTOMER[1]");


    //Modify customer
    customer.set("LASTNAME", "Pavick");


    DataObject customerForDelete = root.getDataObject("CUSTOMER[2]");
    String deletedLastName = customerForDelete.getString("LASTNAME");
    customerForDelete.delete();
    
    DataObject newCustomer = root.createDataObject("CUSTOMER");
    newCustomer.set("LASTNAME", "NewCustomer");
    newCustomer.setInt("ID", 9000);
    
    //Build apply changes command
    ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand();
    apply.setConnection(getConnection());

View Full Code Here

    public void testReadModifyApplyWithAssumedIDFailure() throws Exception {
  
    Command select = Command.FACTORY
        .createCommand("Select * from ORDERDETAILS");
    select.setConnection(getConnection());
    DataObject root = select.executeQuery();


    DataObject od = root.getDataObject("ORDERDETAILS[1]");


    //Modify customer
    od.setInt("PRODUCTID", 72);  
    
    //Build apply changes command
    ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand();
    apply.setConnection(getConnection());

View Full Code Here

    public void testReadModifyApplyWithAssumedIDFailure2() throws Exception {
      
    Command select = Command.FACTORY
        .createCommand("Select * from ORDERDETAILS");
    select.setConnection(getConnection());
    DataObject root = select.executeQuery();


    DataObject od = root.getDataObject("ORDERDETAILS[1]");
    od.delete();  
    
    //Build apply changes command
    ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand();
    apply.setConnection(getConnection());

View Full Code Here

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