コード例 #1
0
ファイル: GwsCommonFdoUtils.cpp プロジェクト: kanbang/Colt
EGwsStatus GwsCommonFdoUtils::DescribeClassSC (
    FdoIConnection          * conn,
    const GWSQualifiedName &  classname,
    GwsSpatialContextDescription & desc
)
{
    FdoPtr<FdoFeatureSchema>   schema;
    FdoPtr<FdoClassDefinition> classDef;

    GwsCommonFdoUtils::GetClassDefinition (conn, classname, schema.p, classDef.p);


    for (; classDef != NULL ; classDef = classDef->GetBaseClass ()) {
        FdoPtr<FdoPropertyDefinitionCollection> propdsc = classDef->GetProperties ();
        // discover geometric property name. Use the first one if there are many.
        for (int idx = 0; idx < propdsc->GetCount(); idx ++) {
            FdoPtr<FdoPropertyDefinition>   prop;
            prop = propdsc->GetItem (idx);

            if (prop->GetPropertyType () == FdoPropertyType_GeometricProperty) {
                FdoGeometricPropertyDefinition* geomProp = static_cast<FdoGeometricPropertyDefinition*>(prop.p);
                FdoString* pSC = geomProp->GetSpatialContextAssociation();
                if(pSC != NULL) {
                    return GwsCommonFdoUtils::DescribeSC (conn, pSC, desc);
                }
            }
        }
    }
    return eGwsSCNotFound;
}
コード例 #2
0
ファイル: GwsCommonFdoUtils.cpp プロジェクト: kanbang/Colt
bool GwsCommonFdoUtils::GetFdoClassIdentityProperties (
    FdoClassDefinition                  *   pClassDef,
    FdoDataPropertyDefinitionCollection * & pIdentityProps
)
{
    // identity properties are acquired from the principal base class

    pClassDef->AddRef ();
    FdoPtr<FdoClassDefinition> childClass = pClassDef;
    FdoPtr<FdoClassDefinition> baseClass;
    pIdentityProps = NULL;

    while ((baseClass = childClass->GetBaseClass ()) != NULL) {
        childClass = baseClass;
    }

    pIdentityProps = childClass->GetIdentityProperties ();
    if (pIdentityProps == NULL)
        return false;

    if(pIdentityProps->GetCount() == 0)
    {
        pIdentityProps->Release ();
        pIdentityProps = NULL;
        return false;
    }
    return true;
}
コード例 #3
0
FdoDataPropertyDefinitionCollection* GwsBinaryFeatureWriter::FindIDProps(FdoClassDefinition* fc)
{
    FdoPtr <FdoDataPropertyDefinitionCollection> idpdc = fc->GetIdentityProperties();
    FdoPtr<FdoClassDefinition> base = FDO_SAFE_ADDREF(fc);

    //go up class hierarchy to find base class (it has the identity properties)
    while ((base = base->GetBaseClass()) != NULL)
        idpdc = base->GetIdentityProperties();

    if (idpdc->GetCount() == 0)
        return NULL;

    return (FDO_SAFE_ADDREF (idpdc.p));
}
コード例 #4
0
ファイル: GwsCommonFdoUtils.cpp プロジェクト: kanbang/Colt
FdoPropertyDefinition * GwsCommonFdoUtils::GetPropertyDefinition (
    FdoClassDefinition  * pClassDef,
    FdoString           * PropertyName
)
{
    pClassDef->AddRef ();
    FdoPtr<FdoClassDefinition> classDef = pClassDef;
    FdoPropertyDefinition    * propDef  = NULL;

    for (; propDef == NULL && classDef != NULL ; classDef = classDef->GetBaseClass ())
    {
        FdoPtr<FdoPropertyDefinitionCollection> propdsc = classDef->GetProperties ();
        propDef = propdsc->FindItem (PropertyName);
    }
    return propDef;

}
コード例 #5
0
ファイル: GwsCommonFdoUtils.cpp プロジェクト: kanbang/Colt
bool GwsCommonFdoUtils::GetGeometryName (FdoClassDefinition *pClassDef, std::wstring &name)
{
    if(pClassDef == NULL)
        return false;

    if(pClassDef->GetClassType() == FdoClassType_FeatureClass)
    {
        FdoFeatureClass* pFeatClass = dynamic_cast<FdoFeatureClass*>(pClassDef);
        if(!pFeatClass)
        {
            assert(false);
            return false;
        }

        FdoPtr<FdoGeometricPropertyDefinition> pgDef = pFeatClass->GetGeometryProperty();
        if (pgDef != NULL) {
            name = pgDef->GetName();
            return true;
        }
    }
    FdoInt32 idx;

    FdoPtr<FdoClassDefinition>  classDef = pClassDef;
    FDO_SAFE_ADDREF(pClassDef);
    for (; classDef != NULL ; classDef = classDef->GetBaseClass ())
    {
        FdoPtr<FdoPropertyDefinitionCollection> propdsc = classDef->GetProperties ();
        // discover geometric property name. Use the first one if there are many.
        for (idx = 0; idx < propdsc->GetCount(); idx ++) {
            FdoPtr<FdoPropertyDefinition>   prop;
            prop = propdsc->GetItem(idx);
            if (prop->GetPropertyType () == FdoPropertyType_GeometricProperty)
            {
                name = prop->GetName ();
                return true;
            }
        }
    }
    return false;
}