private bool isFieldDefLoaded(string target, Schema.FieldDef def)
{
var atr = def[target];
return((atr == null) ? true : (atr.StoreFlag == StoreFlag.LoadAndStore || atr.StoreFlag == StoreFlag.OnlyLoad));
}
/// <summary>
/// Validates row field using Schema.FieldDef settings.
/// This method is invoked by base Validate() implementation.
/// The method is not expected to throw exception in case of failed validation, rather return exception instance because
/// throwing exception really hampers validation performance when many rows need to be validated
/// </summary>
protected virtual Exception ValidateField(string targetName, Schema.FieldDef fdef)
{
var atr = fdef[targetName];
if (atr == null)
{
return(null);
}
var value = GetFieldValue(fdef);
if (value == null ||
(value is string && ((string)value).IsNullOrWhiteSpace()) ||
(value is Distributed.GDID && ((Distributed.GDID)value).IsZero)
)
{
if (atr.Required)
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_REQUIRED_ERROR));
}
return(null);
}
if (value is IValidatable)
{
return(((IValidatable)value).Validate(targetName));
}
if (value is IEnumerable <IValidatable> ) //List<IValidatable>, IValidatable[]
{
foreach (var v in (IEnumerable <IValidatable>)value)
{
if (v == null)
{
continue;
}
var error = v.Validate(targetName);
if (error != null)
{
return(error);
}
}
return(null);
}
if (value is IEnumerable <KeyValuePair <string, IValidatable> > )//Dictionary<string, IValidatable>
{
foreach (var kv in (IEnumerable <KeyValuePair <string, IValidatable> >)value)
{
var v = kv.Value;
if (v == null)
{
continue;
}
var error = v.Validate(targetName);
if (error != null)
{
return(error);
}
}
return(null);
}
if (atr.HasValueList) //check dictionary
{
var parsed = atr.ParseValueList();
if (!parsed.ContainsKey(value.ToString()))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_IS_NOT_IN_LIST_ERROR));
}
}
if (atr.MinLength > 0)
{
if (value.ToString().Length < atr.MinLength)
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_MIN_LENGTH_ERROR));
}
}
if (atr.MaxLength > 0)
{
if (value.ToString().Length > atr.MaxLength)
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_MAX_LENGTH_ERROR));
}
}
if (atr.Kind == DataKind.ScreenName)
{
if (!NFX.Parsing.DataEntryUtils.CheckScreenName(value.ToString()))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_SCREEN_NAME_ERROR));
}
}
else if (atr.Kind == DataKind.EMail)
{
if (!NFX.Parsing.DataEntryUtils.CheckEMail(value.ToString()))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_EMAIL_ERROR));
}
}
else if (atr.Kind == DataKind.Telephone)
{
if (!NFX.Parsing.DataEntryUtils.CheckTelephone(value.ToString()))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_PHONE_ERROR));
}
}
if (value is IComparable)
{
var error = CheckMinMax(atr, fdef.Name, (IComparable)value);
if (error != null)
{
return(error);
}
}
if (atr.FormatRegExp.IsNotNullOrWhiteSpace())
{
//For those VERY RARE cases when RegExpFormat may need to be applied to complex types, i.e. StringBuilder
//set the flag in metadata to true, otherwise regexp gets matched only for STRINGS
var complex = atr.Metadata == null? false
: atr.Metadata
.AttrByName("validate-format-regexp-complex-types")
.ValueAsBool(false);
if (complex || value is string)
{
if (!System.Text.RegularExpressions.Regex.IsMatch(value.ToString(), atr.FormatRegExp))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name,
StringConsts.CRUD_FIELD_VALUE_REGEXP_ERROR.Args(atr.FormatDescription ?? "Input format: {0}".Args(atr.FormatRegExp))));
}
}
}
return(null);
}
/// <summary>
/// Converts field value to the type specified by Schema.FieldDef. For example converts GDID->ulong or ulong->GDID.
/// This method can be overridden to perform custom handling of types,
/// for example one can assign bool field as "Si" that would convert to TRUE.
/// This method is called by SetFieldValue(...) before assigning actual field buffer
/// </summary>
/// <param name="fdef">Field being converted</param>
/// <param name="value">Value to convert</param>
/// <returns>Converted value before assignment to field buffer</returns>
public virtual object ConvertFieldValueToDef(Schema.FieldDef fdef, object value)
{
if (value == DBNull.Value)
{
value = null;
}
if (value == null)
{
return(null);
}
var tv = value.GetType();
if (tv != fdef.NonNullableType && !fdef.NonNullableType.IsAssignableFrom(tv))
{
if (value is ObjectValueConversion.TriStateBool)
{
var tsb = (ObjectValueConversion.TriStateBool)value;
if (tsb == ObjectValueConversion.TriStateBool.Unspecified)
{
value = null;
}
else
{
value = tsb == ObjectValueConversion.TriStateBool.True;
}
return(value);
}
if (fdef.NonNullableType == typeof(ObjectValueConversion.TriStateBool))
{
var nb = value.AsNullableBool();
if (!nb.HasValue)
{
value = ObjectValueConversion.TriStateBool.Unspecified;
}
else
{
value = nb.Value ? ObjectValueConversion.TriStateBool.True : ObjectValueConversion.TriStateBool.False;
}
return(value);
}
// 20150224 DKh, addedEra to GDID. Only GDIDS with ERA=0 can be converted to/from INT64
if (fdef.NonNullableType == typeof(NFX.DataAccess.Distributed.GDID))
{
if (tv == typeof(byte[]))//20151103 DKh GDID support for byte[]
{
value = new Distributed.GDID((byte[])value);
}
else if (tv == typeof(string))//20160504 Spol GDID support for string
{
var sv = (string)value;
if (sv.IsNotNullOrWhiteSpace())
{
value = Distributed.GDID.Parse((string)value);
}
else
{
value = fdef.Type == typeof(Distributed.GDID?) ? (Distributed.GDID?)null : Distributed.GDID.Zero;
}
}
else
{
value = new Distributed.GDID(0, (UInt64)Convert.ChangeType(value, typeof(UInt64)));
}
return(value);
}
if (tv == typeof(Distributed.GDID))
{
if (fdef.NonNullableType == typeof(byte[]))
{
value = ((Distributed.GDID)value).Bytes;
}
else if (fdef.NonNullableType == typeof(string))
{
value = value.ToString();
}
else
{
var gdid = (Distributed.GDID)value;
if (gdid.Era != 0)
{
throw new CRUDException(StringConsts.CRUD_GDID_ERA_CONVERSION_ERROR.Args(fdef.Name, fdef.NonNullableType.Name));
}
value = gdid.ID;
}
}
else
{
value = Convert.ChangeType(value, fdef.NonNullableType);
}
} //Types Differ
return(value);
}
/// <summary> /// Sets value of the field, for typerows it accesses property using reflection; for dynamic rows it sets data into /// row buffer array using field index(order) /// </summary> public abstract void SetFieldValue(Schema.FieldDef fdef, object value);
/// <summary> /// Gets value of the field, for typerows it accesses property using reflection; for dynamic rows it reads data from /// row buffer array using field index(order) /// </summary> public abstract object GetFieldValue(Schema.FieldDef fdef);
/// <summary>
/// Validates row field using Schema.FieldDef settings.
/// This method is invoked by base Validate() implementation.
/// The method is not expected to throw exception in case of failed validation, rather return exception instance because
/// throwing exception really hampers validation performance when many rows need to be validated
/// </summary>
protected virtual Exception ValidateField(string targetName, Schema.FieldDef fdef)
{
var atr = fdef[targetName];
if (atr == null)
{
return(null);
}
var value = GetFieldValue(fdef);
if (value == null || (value is string && ((string)value).IsNullOrWhiteSpace()))
{
if (atr.Required)
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_REQUIRED_ERROR));
}
return(null);
}
if (value is IValidatable)
{
return(((IValidatable)value).Validate(targetName));
}
if (value is IEnumerable <IValidatable> ) //List<IValidatable>, IValidatable[]
{
foreach (var v in (IEnumerable <IValidatable>)value)
{
if (v == null)
{
continue;
}
var error = v.Validate(targetName);
if (error != null)
{
return(error);
}
}
return(null);
}
if (value is IEnumerable <KeyValuePair <string, IValidatable> > )//Dictionary<string, IValidatable>
{
foreach (var kv in (IEnumerable <KeyValuePair <string, IValidatable> >)value)
{
var v = kv.Value;
if (v == null)
{
continue;
}
var error = v.Validate(targetName);
if (error != null)
{
return(error);
}
}
return(null);
}
if (atr.ValueList.IsNotNullOrWhiteSpace()) //check dictionary
{
var parsed = atr.ParseValueList();
if (!parsed.ContainsKey(value.ToString()))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_IS_NOT_IN_LIST_ERROR));
}
}
if (atr.MinLength > 0)
{
if (value.ToString().Length < atr.MinLength)
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_MAX_LENGTH_ERROR));
}
}
if (atr.MaxLength > 0)
{
if (value.ToString().Length > atr.MaxLength)
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_MAX_LENGTH_ERROR));
}
}
if (atr.Kind == DataKind.ScreenName)
{
if (!NFX.Parsing.DataEntryUtils.CheckScreenName(value.ToString()))
{
return(new CRUDFieldValidationException(Schema.Name, fdef.Name, StringConsts.CRUD_FIELD_VALUE_SCREEN_NAME_ERROR));
}
}
if (value is IComparable)
{
var error = CheckMinMax(atr, fdef.Name, (IComparable)value);
if (error != null)
{
return(error);
}
}
return(null);
}
public override void SetFieldValue(Schema.FieldDef fdef, object value)
{
value = ConvertFieldValueToDef(fdef, value);
m_Data[fdef.Order] = value;
}
