public string ContinueFromManyToMany( System.Type clazz, string[ ] joinColumns, QueryTranslator q )
{
Start( q );
continuation = true;
currentName = q.CreateNameFor( clazz );
q.AddType( currentName, clazz );
IQueryable classPersister = q.GetPersister( clazz );
join.AddJoin( classPersister.TableName, currentName, joinColumns, classPersister.IdentifierColumnNames, joinType );
currentPropertyMapping = classPersister;
return currentName;
}
/// <summary>
///
/// </summary>
/// <param name="propertyName"></param>
/// <param name="propertyType"></param>
/// <param name="q"></param>
/// <remarks>NOTE: we avoid joining to the next table if the named property is just the foreign key value</remarks>
private void DereferenceEntity( string propertyName, EntityType propertyType, QueryTranslator q )
{
//if its "id"
bool isIdShortcut = EntityID.Equals(propertyName) && !propertyType.IsUniqueKeyReference;
//or its the id property name
string idPropertyName;
try
{
idPropertyName = propertyType.GetIdentifierOrUniqueKeyPropertyName( q.Factory );
}
catch (MappingException me)
{
throw new QueryException(me);
}
bool isNamedIdPropertyShortcut = idPropertyName != null && idPropertyName.Equals( propertyName );
if ( isIdShortcut || isNamedIdPropertyShortcut )
{
// special shortcut for id properties, skip the join!
// this must only occur at the _end_ of a path expression
DereferenceProperty( propertyName );
}
else
{
System.Type entityClass = propertyType.AssociatedClass;
String name = q.CreateNameFor( entityClass );
q.AddType( name, entityClass );
IQueryable memberPersister = q.GetPersister( entityClass );
//String[] keyColNames = memberPersister.getIdentifierColumnNames();
string[] keyColNames;
try
{
keyColNames = propertyType.GetReferencedColumns( q.Factory );
}
catch (MappingException me)
{
throw new QueryException(me);
}
AddJoin( memberPersister.TableName, name, keyColNames );
if ( propertyType.IsOneToOne )
{
oneToOneOwnerName = currentName;
}
currentName = name;
currentProperty = propertyName;
q.AddPathAliasAndJoin( path.Substring( 0, path.LastIndexOf( StringHelper.Dot ) ), name, join );
componentPath = null;
//componentPath = new StringBuilder( );
currentPropertyMapping = memberPersister;
}
}