C++ FDO_SAFE_ADDREF函数代码示例

FdoIStreamReader* SuperMapRaster::GetStreamReader ()
{
	TRACE(_T("调用 SuperMapRaster::GetStreamReader()... \n"));
	FdoPtr<FdoIStreamReader> streamReader = new SuperMapStreamReader(m_pDatasetRaster, 
		FDO_SAFE_ADDREF(m_dataModel.p));
	return FDO_SAFE_ADDREF(streamReader.p);
}

[!output PREFIX]ApplySchemaCommand::[!output PREFIX]ApplySchemaCommand (FdoIConnection *connection) :
    [!output PREFIX]Command<FdoIApplySchema> (connection)
{
}

/** Do not implement the copy constructor. **/
//[!output PREFIX]ApplySchemaCommand::[!output PREFIX]ApplySchemaCommand (const [!output PREFIX]ApplySchemaCommand &right) { }

[!output PREFIX]ApplySchemaCommand::~[!output PREFIX]ApplySchemaCommand (void)
{
}

/** Do not implement the assignment operator. **/
//[!output PREFIX]ApplySchemaCommand & operator= (const [!output PREFIX]ApplySchemaCommand &right);

///<summary>Gets the schema to create.</summary>
/// <returns>Returns the schema that would be created.</returns> 
FdoFeatureSchema* [!output PREFIX]ApplySchemaCommand::GetFeatureSchema ()
{
    return (FDO_SAFE_ADDREF (mSchema.p));
}

///<summary>Sets the schema to create.</summary>
/// <param name="value">Input the definition of the schema to create.</param> 
/// <returns>Returns nothing</returns> 
void [!output PREFIX]ApplySchemaCommand::SetFeatureSchema (FdoFeatureSchema* value)
{
	mSchema = FDO_SAFE_ADDREF (value);
}

/// <summary>Gets the raster object of the specified property.
/// Because no conversion is performed, the property must be
/// of Raster type; otherwise, an exception is thrown.</summary>
/// <param name="propertyName">Input the property name.</param> 
/// <returns>Returns the raster object.</returns> 
FdoIRaster* SuperMapFeatureReader::GetRaster (FdoString* identifier)
{
	if(NULL == m_pDatasetRaster || NULL == identifier)
	{
		return NULL;
	}
	FdoPtr<FdoIRaster> rv = new SuperMapRaster(m_pDatasetRaster, FDO_SAFE_ADDREF(m_ClassDef.p));
	return FDO_SAFE_ADDREF(rv.p);
}

FdoPtr<FdoSmPhRdDbObjectReader> FdoSmPhOdbcOwner::CreateDbObjectReader( FdoStringP dbObject) const
{
    FdoSmPhOdbcOwner* pOwner = (FdoSmPhOdbcOwner*) this;

    FdoSmPhOdbcMgrP mgr = pOwner->GetManager()->SmartCast<FdoSmPhOdbcMgr>();

    rdbi_vndr_info_def info;
	rdbi_vndr_info( mgr->GetRdbiContext(), &info );

    if( info.dbversion == RDBI_DBVERSION_ODBC_ORACLE )
        return new FdoSmPhRdOraOdbcDbObjectReader( FDO_SAFE_ADDREF(pOwner), dbObject );
    else
       return new FdoSmPhRdOdbcDbObjectReader( FDO_SAFE_ADDREF(pOwner), dbObject );
}

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));
}

FdoExpressionEngineFunctionCollection* FdoRdbmsSelectCommand::GetUserDefinedFunctions( FdoSmLpSpatialContextCollection *scColl, FdoClassDefinition *classDef )
{
	// Length2D and Area2D require to pass in the 'geodetic' flag.
	// Check the associated coordinate system. In case it is geodetic, create a custom function.
	
	FdoPtr<FdoExpressionEngineFunctionCollection> userDefinedFunctions;

	if (classDef->GetClassType() == FdoClassType_FeatureClass)
	{
        FdoPtr<FdoGeometricPropertyDefinition> gpd = ((FdoFeatureClass*)classDef)->GetGeometryProperty();

		if ( gpd )
		{
			FdoStringP	scname = gpd->GetSpatialContextAssociation();

			if ( scname.GetLength() != 0 )
			{
				FdoSmLpSpatialContextP  sc = scColl->FindItem( scname );
				FdoStringP	wkt = sc->GetCoordinateSystemWkt();
				
				if ( wkt.Contains( L"PROJCS" ) )
					; // do nothing
				else if ( wkt.Contains( L"GEOGCS" ) )
				{
					userDefinedFunctions = FdoExpressionEngineFunctionCollection::Create();
					userDefinedFunctions->Add( FdoFunctionLength2D::Create(true));
					userDefinedFunctions->Add( FdoFunctionArea2D::Create(true));
				}
			}
		}
	}
	return FDO_SAFE_ADDREF(userDefinedFunctions.p);
}

FdoIdentifierCollection* FdoRdbmsSelectCommand::GetOrdering()
{
    if( mOrderingIdentifiers == NULL )
        mOrderingIdentifiers = FdoIdentifierCollection::Create();

    return FDO_SAFE_ADDREF(mOrderingIdentifiers);
}

FdoFunctionDefinition* ExpressionFunctionArgb::GetFunctionDefinition()
{
    if (!m_functionDefinition)
    {
        STRING funcDesc = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgFunctionARGB_Description");
        STRING aValDesc = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgFunctionARGB_AValueDescription");
        STRING rValDesc = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgFunctionARGB_RValueDescription");
        STRING gValDesc = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgFunctionARGB_GValueDescription");
        STRING bValDesc = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgFunctionARGB_BValueDescription");

        FdoPtr<FdoArgumentDefinition> arg1 = FdoArgumentDefinition::Create(L"aValue", aValDesc.c_str(), FdoDataType_Int32); // NOXLATE
        FdoPtr<FdoArgumentDefinition> arg2 = FdoArgumentDefinition::Create(L"rValue", rValDesc.c_str(), FdoDataType_Int32); // NOXLATE
        FdoPtr<FdoArgumentDefinition> arg3 = FdoArgumentDefinition::Create(L"gValue", gValDesc.c_str(), FdoDataType_Int32); // NOXLATE
        FdoPtr<FdoArgumentDefinition> arg4 = FdoArgumentDefinition::Create(L"bValue", bValDesc.c_str(), FdoDataType_Int32); // NOXLATE

        FdoPtr<FdoArgumentDefinitionCollection> args = FdoArgumentDefinitionCollection::Create();
        args->Add(arg1);
        args->Add(arg2);
        args->Add(arg3);
        args->Add(arg4);

        m_functionDefinition = FdoFunctionDefinition::Create(L"ARGB", // NOXLATE
                                                             funcDesc.c_str(),
                                                             FdoDataType_Int32,
                                                             args,
                                                             FdoFunctionCategoryType_String,
                                                             false);
    }

    return FDO_SAFE_ADDREF(m_functionDefinition);
}

void MgSelectCommand::SetFilter(FdoFilter* value)
{
    CHECKNULL((FdoISelect*)m_command, L"MgSelectCommand.SetFilter");
    m_command->SetFilter(value);

    m_filter = FDO_SAFE_ADDREF(value);
}

void FdoXmlElementMapping::SetClassMapping(FdoXmlClassMapping* classMapping)
{
    mClassMapping = FDO_SAFE_ADDREF(classMapping);
    // Reference to class mapping is no longer dangling.
    mClassName = L"";
    mSchemaName = L"";
}

FdoXmlReader* FdoXmlSpatialContextReader::GetXmlReader()
{
    FdoXmlReader* pReader = mXmlReader;
    FDO_SAFE_ADDREF( pReader );

    return pReader;
}

MgdSqlDataReader::MgdSqlDataReader(MgdFeatureConnection* conn, FdoISQLDataReader* reader)
{
	m_reader = FDO_SAFE_ADDREF(reader);
    m_connection = SAFE_ADDREF(conn);

    // The reader takes ownership of the FDO connection
    m_connection->OwnReader();
}

///<summary>Executes the GetLockedObjects command, returning an FdoILockedObjectReader.</summary>
/// <returns>Returns FdoILockedObjectReade.r</returns> 
FdoILockedObjectReader* ArcSDEGetLockedObjectsCommand::Execute ()
{
    FdoPtr<ArcSDEConnection> connection;
    CHAR user_name[SE_MAX_OWNER_LEN];
    FdoStringP user_str;
    CHAR* user;
    LONG result;
    SE_REGINFO *registrations;
    LONG count;
    CHAR table_name[SE_QUALIFIED_TABLE_NAME];
    LONG number;
    LONG *ids;
    FdoPtr<ArcSDELockedObjectReader> ret;

    // verify the connection
    connection = static_cast<ArcSDEConnection*>(GetConnection ());
    if (connection == NULL)
        throw FdoException::Create (NlsMsgGet (ARCSDE_CONNECTION_NOT_ESTABLISHED, "Connection not established."));

    // establish an empty locked object reader
    ret = new ArcSDELockedObjectReader (connection);

    // get the user name
    if (NULL == GetLockOwner () || (0 == wcscmp (L"", GetLockOwner ())))
    {
        result = SE_connection_get_user_name (connection->GetConnection (), user_name);
        handle_sde_err<FdoCommandException> (connection->GetConnection (), result, __FILE__, __LINE__, ARCSDE_USER_UNKNOWN, "Cannot determine current user.");
        user = user_name;
    }
    else
    {
        user_str = mLockOwner.Upper();
#ifdef SDE_UNICODE
        user = (CHAR*)sde_cstwc(user_str);
#else
        sde_wide_to_multibyte (user, (FdoString*)user_str);
#endif
    }

    // process the list of registered arcsde tables, checking for locks by user (or not)
    // Read all registered arcsde tables, adding user locks on the rows to the FdoILockedObjectReader
    connection->GetArcSDERegistrationList(&registrations, &count);
    for (int i = 0; i < count; i++)
    {
        if (SE_reginfo_allow_rowlocks (registrations[i]))
        {
            result = SE_reginfo_get_table_name (registrations[i], table_name);
            handle_sde_err<FdoCommandException> (connection->GetConnection(), result, __FILE__, __LINE__, ARCSDE_REGISTRATION_INFO_ITEM, "Table registration info item '%1$ls' could not be retrieved.", L"table_name");
            result = SE_table_get_rowlocks_by_user (connection->GetConnection(), table_name, user, &number, &ids);
            handle_sde_err<FdoCommandException>(connection->GetConnection(), result, __FILE__, __LINE__, ARCSDE_GET_ROW_LOCK_LIST_FAILED, "Failed to get the row lock list.");
            for (int j = 0; j < number; j++)
                ret->AddIdentity (table_name, ids[j]);
            SE_table_free_rowlocks_list (number, ids, NULL);
        }
    }

    return (FDO_SAFE_ADDREF (ret.p));
}

ArcSDEDataStoreReader::ArcSDEDataStoreReader(ArcSDEConnection* connection)
{
    mConnection = FDO_SAFE_ADDREF(connection);
    mDataStoreIndex = -1;

    // Grab the datastore list:
    FdoPtr<FdoIConnectionInfo> connInfo = connection->GetConnectionInfo();
    mConnProps = connInfo->GetConnectionProperties();
}

/// <summary>Returns a collection of FdoFunctionDefinition objects the feature provider supports within expressions.</summary>
/// <returns>Returns the collection of function definitions</returns> 
FdoFunctionDefinitionCollection* ArcSDEExpressionCapabilities::GetFunctions()
{
    if (NULL == m_supportedFunctions)
    {
		m_supportedFunctions = FdoExpressionEngine::GetStandardFunctions();
    }

    return (FDO_SAFE_ADDREF (m_supportedFunctions.p));
}