internal virtual void Init(Type objectType, IDBAccess dbAccess)
{
TypeSchema entityInfo = ORMSchemaCache.GetTypeSchema(objectType);
SchemaItem fieldInfo = entityInfo.GetFieldInfoByPropertyName(this._propertyName);
if (fieldInfo == null)
{
throw new ArgumentException(string.Format("{0} - Property \"{1}\" not define a mapping field.", this.GetType(), _propertyName));
}
Type type = fieldInfo.ProInfo.PropertyType;
type = Nullable.GetUnderlyingType(type) ?? type;
this._dbType = ORMHelper.GetDbTypeByName(type);
this._fieldName = fieldInfo.MappingFieldAttribute.FieldName;
this._dbAccess = dbAccess;
}
private string ToOrderByClause(Type entityType, params SortInfo[] orderBy)
{
TypeSchema entityInfo = ORMSchemaCache.GetTypeSchema(entityType);
string orderByStr = "";
if (null != orderBy && orderBy.Length > 0)
{
foreach (SortInfo tempSortInfo in orderBy)
{
SchemaItem fieldInfo = entityInfo.GetFieldInfoByPropertyName(tempSortInfo.PropertyName);
if (fieldInfo == null)
{
throw new ArgumentException("Sort property not define a mapping field. - \"" + tempSortInfo.PropertyName + "\"");
}
string tempName = GetQuotedName(fieldInfo.MappingFieldAttribute.FieldName);
if (tempSortInfo.Direction == SortDirection.Desc)
{
orderByStr += "," + tempName + " Desc";
}
else
{
orderByStr += "," + tempName;
}
}
if (orderByStr.Length > 0)
{
orderByStr = orderByStr.Substring(1); //remove the first char ','.
}
return(string.Format(" ORDER BY {0}", orderByStr));
}
else
{
return(orderByStr);
}
}
