Examples of org.apache.tuscany.spi.model.DataType

org.apache.tuscany.spi.model.DataType
Representation of the type of data associated with an operation. Data is represented in two forms: the physical form used by the runtime and a logical form used by the assembly. The physical form is a Java Type because the runtime is written in Java. This may be the same form used by the application but it may not; for example, an application that is performing stream processing may want a physical form such as an {@link java.io.InputStream InputStream} tosemantially operate on application data such as a purchase order. The logical description is that used by the assembly model and is an identifier into some well-known type space; examples may be a Java type represented by its Class or an XML type represented by its QName. Every data type may also contain metadata describing the expected data; for example, it could specify a preferred data binding technology or the size of a typical instance. @version $Rev: 453987 $ $Date: 2006-10-07 11:53:52 -0700 (Sat, 07 Oct 2006) $

                                                              DataType targetDataType,
                                                              int size,
                                                              int index,
                                                              Transformer transformer,
                                                              Map<Class<?>, Object> metadata) {
        DataType sourceType =
            (index == 0) ? sourceDataType : new DataType<Object>(transformer.getSourceDataBinding(),
                                                                 Object.class, null);
        DataType targetType =
            (index == size - 1) ? targetDataType : new DataType<Object>(transformer.getTargetDataBinding(),
                                                                        Object.class, null);
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        TransformationContext context =
            new TransformationContextImpl(sourceType, targetType, classLoader, metadata);

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        mediator.setDataBindingRegistry(dataBindingRegistry);
    }


    private TransformationContext createTransformationContext(Class sourceType, Class targetType) {
        TransformationContext context = new TransformationContextImpl();
        DataType sourceDataType = new DataType<Class>(sourceType, sourceType);
        DataType targetDataType = new DataType<Class>(targetType, targetType);
        context.setSourceDataType(sourceDataType);
        context.setTargetDataType(targetDataType);
        return context;
    }

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        // TODO: this doesn't really test anything yet
        RMIReference ref = new RMIReference(null, null, null, null, null, null, null, null);
        ServiceContract contract = new JavaServiceContract();
        contract.setInterfaceClass(String.class);
        List l = new ArrayList();
        l.add(new DataType(null, null));
        DataType in = new DataType(null, l);
        Operation operation = new Operation(null, in, null, null);
        try {
            ref.createTargetInvoker(contract, operation);
        } catch (Exception e) {
            // expected

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