Esempio n. 1
0
ObjectNormalizer::ObjectNormalizer(
    const CIMClass& cimClass,
    Boolean includeQualifiers,
    Boolean includeClassOrigin,
    const CIMNamespaceName& nameSpace,
    SharedPtr<NormalizerContext>& context)
  : _cimClass(cimClass),
    _includeQualifiers(includeQualifiers),
    _includeClassOrigin(includeClassOrigin),
    _context(context),
    _nameSpace(nameSpace)
{
    if (!_cimClass.isUninitialized())
    {
        // ATTN: the following code is intended to expedite normalizing
        // instances and instance object paths by establishing the keys
        // once now rather than multiple times later. it is biased
        // toward providers that return many instances with many properties.

        // build a reference object path within the class
        Array<CIMKeyBinding> keys;

        for (Uint32 i = 0, n = _cimClass.getPropertyCount(); i < n; i++)
        {
            CIMConstProperty referenceProperty = _cimClass.getProperty(i);

            Uint32 pos = referenceProperty.findQualifier("key");

            if ((pos != PEG_NOT_FOUND) &&
                (referenceProperty.getQualifier(pos).getValue().equal(
                     CIMValue(true))))
            {
                if (referenceProperty.getType() == CIMTYPE_REFERENCE)
                {
                    // ATTN: a fake reference is inserted in the key so that
                    // the _BubbleSort() method in CIMObjectPath does not
                    // throw and exception. It implicitly validates keys of
                    // type REFERENCE so just place a dummy value for now.
                    // The value will be replaced by the normalized object
                    // later.
                    keys.append(CIMKeyBinding(referenceProperty.getName(),
                        "class.key=\"value\"", CIMKeyBinding::REFERENCE));
                }
                else
                {
                    keys.append(CIMKeyBinding(referenceProperty.getName(),
                        referenceProperty.getValue()));
                }
            }
        }

        // update class object path
        CIMObjectPath cimObjectPath(_cimClass.getPath());

        cimObjectPath.setKeyBindings(keys);

        _cimClass.setPath(cimObjectPath);
    }
}
Esempio n. 2
0
CIMProperty ObjectNormalizer::processProperty(
    CIMConstProperty& referenceProperty,
    CIMConstProperty& instProperty,
    Boolean includeQualifiers,
    Boolean includeClassOrigin,
    NormalizerContext* context,
    const CIMNamespaceName& nameSpace)
{
    // check name
    if (!referenceProperty.getName().equal(instProperty.getName()))
    {
        MessageLoaderParms message(
            "Common.ObjectNormalizer.INVALID_PROPERTY_NAME",
            "Invalid property name: $0",
            instProperty.getName().getString());

        throw CIMException(CIM_ERR_FAILED, message);
    }

    // check type
    CIMType referencePropType = referenceProperty.getType();
    CIMType instPropType = instProperty.getType();
    if (referencePropType != instPropType)
    {
        MessageLoaderParms message(
            "Common.ObjectNormalizer.INVALID_PROPERTY_TYPE",
            "Invalid property type: $0",
            instProperty.getName().getString());

        throw CIMException(CIM_ERR_FAILED, message);
    }

    // TODO: check array size?

    CIMProperty normalizedProperty(
        referenceProperty.getName(),
        referenceProperty.getValue(),   // default value
        referenceProperty.getArraySize(),
        referenceProperty.getReferenceClassName(),
        CIMName(),
        false);

    // TODO: check override (especially for references)?

    // update value
    if (!instProperty.getValue().isNull())
    {
        normalizedProperty.setValue(instProperty.getValue());
    }

    // update class origin
    if (includeClassOrigin)
    {
        normalizedProperty.setClassOrigin(referenceProperty.getClassOrigin());
    }

    // add qualifiers
    if (includeQualifiers)
    {
        // propagate class property qualifiers
        for (Uint32 i=0, n = referenceProperty.getQualifierCount(); i < n; i++)
        {
            CIMConstQualifier referenceQualifier =
                referenceProperty.getQualifier(i);

            Uint32 pos =
                instProperty.findQualifier(referenceQualifier.getName());

            // update value if qualifier is present in the specified property
            if (pos != PEG_NOT_FOUND)
            {
                CIMConstQualifier cimQualifier = instProperty.getQualifier(pos);

                CIMQualifier normalizedQualifier =
                    _processQualifier(
                        referenceQualifier,
                        cimQualifier);

                normalizedProperty.addQualifier(normalizedQualifier);
            }
            else
            {
                normalizedProperty.addQualifier(referenceQualifier.clone());
            }
        }
    }
#ifdef PEGASUS_SNIA_INTEROP_COMPATIBILITY
    else if (referenceProperty.getType() == CIMTYPE_INSTANCE)
    {
        Uin32 refPos = referenceProperty.findQualifier(
                           PEGASUS_QUALIFIERNAME_EMBEDDEDINSTANCE);
        Uin32 cimPos = instProperty.findQualifier(
                           PEGASUS_QUALIFIERNAME_EMBEDDEDINSTANCE);
        if (refPos != PEG_NOT_FOUND && cimPos == PEG_NOT_FOUND)
        {
            instProperty.addQualifier(refProperty.getQualifier(pos));
        }
    }
#endif

    // Check the type of the embedded instance against the class specified by
    // the EmbeddedInstance qualifier. We can only do this if the context
    // is non-zero.
    if (context != 0)
    {
        if (referenceProperty.getType() == CIMTYPE_INSTANCE)
        {
            Uint32 pos = referenceProperty.findQualifier(
                             PEGASUS_QUALIFIERNAME_EMBEDDEDINSTANCE);

            PEGASUS_ASSERT(pos != PEG_NOT_FOUND);

            String qualClassStr;
            referenceProperty.getQualifier(pos).getValue().get(
                qualClassStr);
            CIMName embedInstClassName(qualClassStr);
            Array<CIMName> embeddedInstSubclasses =
                context->enumerateClassNames(nameSpace, embedInstClassName,
                    true);
            embeddedInstSubclasses.append(embedInstClassName);

            Array<CIMInstance> embeddedInstances;
            if (referenceProperty.isArray())
            {
                instProperty.getValue().get(embeddedInstances);
            }
            else
            {
                CIMInstance embeddedInst;
                instProperty.getValue().get(embeddedInst);
                embeddedInstances.append(embeddedInst);
            }

            Array<CIMClass> embeddedClassDefs;
            for (Uint32 i = 0, n = embeddedInstances.size(); i < n; ++i)
            {
                CIMInstance& currentInstance = embeddedInstances[i];
                CIMName currentClassName = currentInstance.getClassName();
                if (Contains(embeddedInstSubclasses, currentClassName))
                {
                    CIMClass embeddedClassDef;
                    bool found = false;
                    for (Uint32 j = 0, m = embeddedClassDefs.size(); j < m;
                        ++j)
                    {
                        CIMClass& tmpClassDef = embeddedClassDefs[j];
                        if (tmpClassDef.getClassName() == currentClassName)
                        {
                            embeddedClassDef = tmpClassDef;
                            found = true;
                        }
                    }

                    if (!found)
                    {
                        embeddedClassDef = context->getClass(nameSpace,
                            currentClassName);
                        embeddedClassDefs.append(embeddedClassDef);
                    }

                    SharedPtr<NormalizerContext> tmpContext(context->clone());
                    ObjectNormalizer tmpNormalizer(embeddedClassDef,
                        includeQualifiers, includeClassOrigin, nameSpace,
                        tmpContext);
                    if (currentInstance.getPath().getKeyBindings().size()==0)
                    {
                        currentInstance.setPath(
                            currentInstance.buildPath(embeddedClassDef));
                    }
                    embeddedInstances[i] =
                        tmpNormalizer.processInstance(currentInstance);
                }
                else
                {
                    MessageLoaderParms message(
                        "Common.ObjectNormalizer."
                            "INVALID_EMBEDDED_INSTANCE_TYPE",
                        "Found embedded instance of type $0: was expecting "
                            "$1 for property $2",
                        currentClassName.getString(),
                        qualClassStr,
                        instProperty.getName().getString());

                    throw CIMException(CIM_ERR_FAILED, message);
                }
            }

            if (referenceProperty.isArray())
            {
              normalizedProperty.setValue(CIMValue(embeddedInstances));
            }
            else
            {
              normalizedProperty.setValue(CIMValue(embeddedInstances[0]));
            }
        }
    }
    return normalizedProperty;
}
Esempio n. 3
0
void CIMPropertyRep::resolve(
    DeclContext* declContext,
    const CIMNamespaceName& nameSpace,
    Boolean isInstancePart,
    const CIMConstProperty& inheritedProperty,
    Boolean propagateQualifiers)
{
    PEGASUS_ASSERT(!inheritedProperty.isUninitialized());

    // Check the type:

    if (!inheritedProperty.getValue().typeCompatible(_value))
    {
        if (!(
            (inheritedProperty.getValue().getType() == CIMTYPE_OBJECT) &&
            (_value.getType() == CIMTYPE_STRING) &&
            (_qualifiers.find(PEGASUS_QUALIFIERNAME_EMBEDDEDOBJECT)
                 != PEG_NOT_FOUND) &&
            (inheritedProperty.getValue().isArray() == _value.isArray())
            ) &&
            !(
            (inheritedProperty.getValue().getType() == CIMTYPE_INSTANCE) &&
            (_value.getType() == CIMTYPE_STRING) &&
            (_qualifiers.find(PEGASUS_QUALIFIERNAME_EMBEDDEDINSTANCE)
                 != PEG_NOT_FOUND) &&
            (inheritedProperty.getValue().isArray() == _value.isArray())
            ))
        {
            throw TypeMismatchException();
        }
    }

    // Validate the qualifiers of the property (according to
    // superClass's property with the same name). This method
    // will throw an exception if the validation fails.

    CIMScope scope = CIMScope::PROPERTY;

    if (_value.getType() == CIMTYPE_REFERENCE)
        scope = CIMScope::REFERENCE;

    // Test the reference class name against the inherited property
    if (_value.getType() == CIMTYPE_REFERENCE ||
        _value.getType() == CIMTYPE_INSTANCE)
    {
        CIMName inheritedClassName;
        Array<CIMName> classNames;

        if (_value.getType() == CIMTYPE_INSTANCE)
        {
            Uint32 pos = inheritedProperty.findQualifier(
                             PEGASUS_QUALIFIERNAME_EMBEDDEDINSTANCE);
            if (pos != PEG_NOT_FOUND)
            {
                String qualStr;
                inheritedProperty.getQualifier(pos).getValue().get(qualStr);
                inheritedClassName = qualStr;
            }

            if (_value.isArray())
            {
                Array<CIMInstance> embeddedInstances;
                _value.get(embeddedInstances);
                for (Uint32 i = 0, n = embeddedInstances.size(); i < n; ++i)
                {
                    classNames.append(embeddedInstances[i].getClassName());
                }
            }
            else
            {
                CIMInstance embeddedInst;
                _value.get(embeddedInst);
                classNames.append(embeddedInst.getClassName());
            }
        }
        else
        {
            CIMName referenceClass;
            if (_referenceClassName.isNull())
            {
                CIMObjectPath reference;
                _value.get(reference);
                referenceClass = reference.getClassName();
            }
            else
            {
                referenceClass = _referenceClassName;
            }

            inheritedClassName = inheritedProperty.getReferenceClassName();
            classNames.append(referenceClass);
        }

        // This algorithm is friendly to arrays of embedded instances. It
        // remembers the class names that are found to be subclasses of the
        // inherited class name retrieved from the inherited property. This
        // ensures that any branch in the inheritance hierarchy will only be
        // traversed once. This provides significant optimization given that
        // most elements of an array of embedded instances will probably be of
        // very closely related types.
        Array<CIMName> successTree;
        successTree.append(inheritedClassName);
        for (Uint32 i = 0, n = classNames.size(); i < n; ++i)
        {
            Array<CIMName> traversalHistory;
            CIMName currentName = classNames[i];
            Boolean found = false;
            while (!found && !currentName.isNull())
            {
                for (Uint32 j = 0, m = successTree.size(); j < m; ++j)
                {
                    if (currentName == successTree[j])
                    {
                        found = true;
                        break;
                    }
                }

                if (!found)
                {
                    traversalHistory.append(currentName);
                    CIMClass currentClass = declContext->lookupClass(
                            nameSpace, currentName);
                    if (currentClass.isUninitialized())
                    {
                        throw PEGASUS_CIM_EXCEPTION(
                            CIM_ERR_INVALID_PARAMETER, currentName.getString());
                    }
                    currentName = currentClass.getSuperClassName();
                }
            }

            if (!found)
            {
                throw TypeMismatchException();
            }

            successTree.appendArray(traversalHistory);
        }
    }

    _qualifiers.resolve(
        declContext, nameSpace, scope, isInstancePart,
        inheritedProperty._rep->_qualifiers, propagateQualifiers);

    _classOrigin = inheritedProperty.getClassOrigin();
}