internal bool Read(object[] primaryKeys)
{
if (primaryKeys.Length == 0)
{
throw new CSException("Read() requires parameters");
}
Initialize();
CSStringCollection columnNames = new CSStringCollection();
List <object> keyValues = new List <object>();
if (primaryKeys.Length != _schema.KeyColumns.Count)
{
throw new CSException(GetType().Name + ".Read(..keys..) called with " + primaryKeys.Length + " parameters, but there are " + _schema.KeyColumns.Count + " key fields defined");
}
for (int i = 0; i < primaryKeys.Length; i++)
{
columnNames.Add(_schema.KeyColumns[i].Name);
keyValues.Add(primaryKeys[i]);
}
if (!ReadFields(_schema.ColumnsToRead, columnNames, keyValues))
{
return(false);
}
_dataState = CSObjectDataState.Loaded;
Fire_ObjectRead();
return(true);
}
private bool ReadFields(CSStringCollection columnList)
{
CSStringCollection keyList = new CSStringCollection();
List <object> valueList = new List <object>();
foreach (CSSchemaColumn schemaColumn in _schema.Columns)
{
if (schemaColumn.IsKey)
{
keyList.Add(schemaColumn.Name);
valueList.Add(_fieldData["#" + schemaColumn.Name].ValueDirect);
}
}
return(ReadFields(columnList, keyList, valueList));
}
private void CreateColumnsToRead()
{
_columnsToRead.Clear();
foreach (CSSchemaColumn schemaColumn in Columns)
{
if (schemaColumn.MappedField != null && schemaColumn.MappedField.Lazy)
{
continue;
}
_columnsToRead.Add(schemaColumn.Name);
}
if (_columnsToRead.Count < 1)
{
throw new CSException(string.Format("No data fields mapped or primary key is lazy for object type <{0}>", ClassType.Name));
}
}
