GWSExtendedFeatureId GwsCommonFdoUtils::MakeFeatureId (
const GWSQualifiedName & classname,
FdoPtr<FdoPropertyValueCollection> ident,
const wchar_t * ltname
)
{
static_cast<void>(&(ltname)); // For "unreferenced formal parameter" warning
static GWSExtendedFeatureId s_fid;
try {
CGwsDataValueCollection * keyvals = NULL;
keyvals = (CGwsDataValueCollection *) CGwsDataValueCollection::Create ();
int size = ident->GetCount ();
for (int i = 0; i < size ; i++) {
FdoPtr<FdoPropertyValue> propval;
FdoPtr<FdoDataValue> value;
propval = ident->GetItem (i);
value = (FdoDataValue *) propval->GetValue ();
keyvals->Add (value);
}
return GWSExtendedFeatureId (classname, keyvals);
} catch (FdoException * e) {
assert (false);
e->Release ();
}
return s_fid;
}
FdoLOBValue* FdoXmlFeatureReaderImpl::GetBLOBProperty(FdoString* name)
{
FdoPtr<FdoLOBValue> rv;
FdoPtr<FdoXmlBLOBProperty> blobProp = m_blobProperties->FindItem(name);
if (blobProp != NULL) {
rv = blobProp->GetValue();
}
return FDO_SAFE_ADDREF(rv.p);
}
MgPropertyCollection* MgdUpdateFeaturesCommand::ExecuteInsert(MgResourceIdentifier* resource, CREFSTRING className, MgBatchPropertyCollection* batchPropertyValues, MgTransaction* trans)
{
Ptr<MgPropertyCollection> ret;
MG_FEATURE_SERVICE_TRY()
CHECK_FEATURE_SOURCE_ARGUMENT(resource, L"MgdUpdateFeaturesCommand::ExecuteInsert");
CHECKARGUMENTNULL(batchPropertyValues, L"MgdUpdateFeaturesCommand::ExecuteInsert");
if (className.empty())
throw new MgNullArgumentException(L"MgdUpdateFeaturesCommand::ExecuteInsert", __LINE__, __WFILE__, NULL, L"", NULL);
ret = new MgPropertyCollection();
Ptr<MgdFeatureConnection> connWrap;
FdoPtr<FdoIConnection> conn;
FdoPtr<FdoITransaction> fdoTrans;
Ptr<MgdTransaction> mgTrans = dynamic_cast<MgdTransaction*>(trans);
if (NULL != mgTrans)
{
SAFE_ADDREF(mgTrans.p);
Ptr<MgResourceIdentifier> origFeatureSource = mgTrans->GetFeatureSource();
//Check that the transaction originates from the same feature source
if (origFeatureSource->ToString() != resource->ToString())
throw new MgInvalidArgumentException(L"MgdUpdateFeaturesCommand::ExecuteInsert", __LINE__, __WFILE__, NULL, L"", NULL);
connWrap = mgTrans->GetConnection(); //Connection is already open
fdoTrans = mgTrans->GetFdoTransaction();
}
else
{
connWrap = new MgdFeatureConnection(resource);
}
conn = connWrap->GetConnection();
FdoPtr<FdoIInsert> insert = (FdoIInsert*)conn->CreateCommand(FdoCommandType_Insert);
insert->SetFeatureClassName(className.c_str());
FdoPtr<FdoPropertyValueCollection> propVals = insert->GetPropertyValues();
if (NULL != fdoTrans.p)
insert->SetTransaction(fdoTrans);
//TODO: Support batch parameters, the main beneficiary of this API. Even then,
//the value flipping approach employed here has performance benefits for certain
//providers, like SQLite
for (INT32 i = 0; i < batchPropertyValues->GetCount(); i++)
{
Ptr<MgPropertyCollection> propertyValues = batchPropertyValues->GetItem(i);
//First feature, set up the FDO property value collection
if (i == 0)
{
for (INT32 i = 0; i < propertyValues->GetCount(); i++)
{
Ptr<MgProperty> mgp = propertyValues->GetItem(i);
FdoPtr<FdoPropertyValue> pv = MgdFeatureUtil::MgPropertyToFdoProperty(mgp);
propVals->Add(pv);
}
}
else //Feature after the first
{
//Set all to null
for (INT32 i = 0; i < propVals->GetCount(); i++)
{
FdoPtr<FdoPropertyValue> fp = propVals->GetItem(i);
FdoPtr<FdoValueExpression> expr = fp->GetValue();
FdoDataValue* fdv = dynamic_cast<FdoDataValue*>(expr.p);
FdoGeometryValue* fgv = dynamic_cast<FdoGeometryValue*>(expr.p);
if (fdv)
{
fdv->SetNull();
}
else if (fgv)
{
fgv->SetNullValue();
}
}
//Now set the appropriate values. MgdFeatureUtil does the work
for (INT32 i = 0; i < propertyValues->GetCount(); i++)
{
Ptr<MgNullableProperty> mgp = (MgNullableProperty*)propertyValues->GetItem(i);
if (!mgp->IsNull())
{
FdoPtr<FdoPropertyValue> fp = propVals->GetItem(mgp->GetName().c_str());
MgdFeatureUtil::UpdateFdoPropertyValue(fp, mgp);
}
}
}
STRING sIndex;
MgUtil::Int32ToString(i, sIndex);
//Insert and stash the result in the property collection
FdoPtr<FdoIFeatureReader> insertRes = insert->Execute();
Ptr<MgFeatureReader> fr = new MgdFeatureReader(connWrap, insertRes);
Ptr<MgFeatureProperty> fp = new MgFeatureProperty(sIndex, fr);
ret->Add(fp);
}
MG_FEATURE_SERVICE_CATCH_AND_THROW_WITH_FEATURE_SOURCE(L"MgdUpdateFeaturesCommand::ExecuteInsert", resource)
return ret.Detach();
}
