/// <summary>
/// Gets the sort specification for this attribute.
/// </summary>
/// <returns></returns>
public SortSpecificationCollection GetSortSpecification(EntityType entityType)
{
if (entityType == null)
{
throw new ArgumentNullException("entityType");
}
if (FieldNames == null)
{
throw new ArgumentNullException("FieldNames");
}
if (Directions == null)
{
throw new ArgumentNullException("Directions");
}
if (FieldNames.Length != Directions.Length)
{
throw ExceptionHelper.CreateLengthMismatchException("FieldNames", "Directions", FieldNames.Length, Directions.Length);
}
// create...
SortSpecificationCollection specifications = new SortSpecificationCollection();
for (int index = 0; index < this.FieldNames.Length; index++)
{
string fieldName = FieldNames[index];
// get and add...
EntityField field = entityType.Fields.GetField(fieldName, OnNotFound.ThrowException);
specifications.Add(new SortSpecification(field, this.Directions[index]));
}
// return...
return(specifications);
}
/// <summary>
/// Constructor.
/// </summary>
protected SqlStatementCreator(EntityType entityType, EntityField[] fields)
{
if (entityType == null)
{
throw new ArgumentNullException("entityType");
}
if (fields == null)
{
throw new ArgumentNullException("fields");
}
// set...
_entityType = entityType;
// mjr - 12-10-2005 - setup the dialect...
if (entityType.HasDatabaseName)
{
// mjr - 12-10-2005 - this needs to be refactored (not ideal)...
using (IConnection connection = Database.CreateConnection(entityType.DatabaseName))
this.Dialect = connection.Dialect;
}
else
{
Dialect = Database.DefaultDialect;
}
// set...
if (Dialect == null)
{
throw new InvalidOperationException("Dialect is null.");
}
// do the fields...
_fields = new EntityFieldCollection(entityType);
// mbr - 16-10-2005 - now done on demand...
// if(fields.Length == 0)
// {
// // get default fields...
// fields = entityType.GetCommonFields();
// if(fields.Length == 0)
// {
// fields = entityType.GetKeyFields();
// if(fields.Length == 0)
// throw new InvalidOperationException(string.Format("Entity type '{0}' has no common fields and no key fields.", entityType));
// }
// }
// add the ones passed into the constructor...
_fields.AddRange(fields);
// order...
_sortOrder = entityType.DefaultSortOrder.Clone();
this.FirstApplySortCall = true;
this.ArrayParameterType = Database.ArrayParameterType;
}
