protected void EvaluateTargetStructure(Type t)
{
//evaluate target objet definition
//check current table defintioin first ***
MySqlSubTable subTable = reader.CurrentSubTable;
//get all public instance fields from current type
FieldInfo[] allFields = GetPublicInstanceFields(t);
//we iterate all request fields
int j = allFields.Length;
mapFields.Clear();
for (int i = 0; i < j; ++i)
{
FieldInfo field = allFields[i];
MySqlFieldDefinition fieldDef = subTable.GetFieldDefinition(field.Name);
//----------------------------------
//check field type conversion
//1. some basic can do direct conversion
//2. use can provide custom protocol for field conversion
//3. some need user decision
//----------------------------------
//in this version we support only primitive type ***
MySqlDataConversionTechnique foundConv;
if (!MySqlTypeConversionInfo.TryGetImplicitConversion((MySqlDataType)fieldDef.FieldType,
field.FieldType, out foundConv))
{
//not found
//TODO:
//so make notification by let use make a dicision
throw new NotSupportedException();
}
//-----------------
MySqlFieldMap fieldMap =
fieldDef.IsEmpty ?
new MySqlFieldMap(-1, fieldDef.Name, foundConv) :
new MySqlFieldMap(fieldDef.FieldIndex, fieldDef.Name, foundConv);
fieldMap.resolvedFieldInfo = field;
mapFields.Add(fieldMap);
}
}
protected void EvaluateTableDefinition(MethodInfo met)
{
//check current table defintioin first ***
MySqlSubTable subTable = reader.CurrentSubTable;
var metPars = met.GetParameters();
//target method that we need
int j = metPars.Length;//**
mapFields.Clear();
for (int i = 1; i < j; ++i)
{
//get parameter fieldname
//and type and check proper type conversion
ParameterInfo metPar = metPars[i];
MySqlFieldDefinition fieldDef = subTable.GetFieldDefinition(metPar.Name);
//----------------------------------
//check field type conversion
//1. some basic can do direct conversion
//2. use can provide custom protocol for field conversion
//3. some need user decision
//----------------------------------
//in this version we support only primitive type ***
MySqlDataConversionTechnique foundConv;
if (!MySqlTypeConversionInfo.TryGetImplicitConversion((MySqlDataType)fieldDef.FieldType, metPar.ParameterType, out foundConv))
{
//not found
//TODO:
//so make notification by let use make a dicision
throw new NotSupportedException();
}
//-----------------
MySqlFieldMap fieldMap =
fieldDef.IsEmpty ?
new MySqlFieldMap(-1, fieldDef.Name, foundConv) :
new MySqlFieldMap(fieldDef.FieldIndex, fieldDef.Name, foundConv);
mapFields.Add(fieldMap);
}
}
//-------------------------------------------------------
//user's bound data values
public void AddWithValue(string key, object value)
{
//get type of value
if (value == null)
{
SetNull(key);
return;
}
//get type of value
switch (MySqlTypeConversionInfo.GetProperDataType(value))
{
//switch proper type
default:
case ProperDataType.Unknown:
throw new Exception("unknown data type?");
case ProperDataType.String:
AddWithValue(key, (string)value);
break;
case ProperDataType.Buffer:
AddWithValue(key, (byte[])value);
break;
case ProperDataType.Bool:
AddWithValue(key, (bool)value);
break;
case ProperDataType.Sbyte:
AddWithValue(key, (sbyte)value);
break;
case ProperDataType.Char:
AddWithValue(key, (char)value);
break;
case ProperDataType.Int16:
AddWithValue(key, (short)value);
break;
case ProperDataType.UInt16:
AddWithValue(key, (ushort)value);
break;
case ProperDataType.Int32:
AddWithValue(key, (int)value);
break;
case ProperDataType.UInt32:
AddWithValue(key, (uint)value);
break;
case ProperDataType.Int64:
AddWithValue(key, (long)value);
break;
case ProperDataType.UInt64:
AddWithValue(key, (ulong)value);
break;
case ProperDataType.DateTime:
AddWithValue(key, (DateTime)value);
break;
case ProperDataType.Float32:
AddWithValue(key, (float)value);
break;
case ProperDataType.Double64:
AddWithValue(key, (double)value);
break;
case ProperDataType.Decimal:
AddWithValue(key, (decimal)value);
break;
}
}
