internal static Expression TranslateAssociation(DataContext context, MetaAssociation association, Expression otherSource, Expression[] keyValues, Expression thisInstance)
{
if (association == null)
{
throw Error.ArgumentNull("association");
}
if (keyValues == null)
{
throw Error.ArgumentNull("keyValues");
}
if (context.LoadOptions != null)
{
LambdaExpression associationSubquery = context.LoadOptions.GetAssociationSubquery(association.ThisMember.Member);
if (associationSubquery != null)
{
var composer = new RelationComposer(associationSubquery.Parameters[0], association, otherSource, thisInstance);
return(composer.Visit(associationSubquery.Body));
}
}
return(WhereClauseFromSourceAndKeys(otherSource, association.OtherKey.ToArray <MetaDataMember>(), keyValues));
}
/// <summary>
/// Create an Expression representing the given association and key value expressions.
/// </summary>
internal static Expression TranslateAssociation(DataContext context, MetaAssociation association, Expression otherSource, Expression[] keyValues, Expression thisInstance) {
if (association == null)
throw Error.ArgumentNull("association");
if (keyValues == null)
throw Error.ArgumentNull("keyValues");
if (context.LoadOptions!=null) {
LambdaExpression subquery = context.LoadOptions.GetAssociationSubquery(association.ThisMember.Member);
if (subquery!=null) {
RelationComposer rc = new RelationComposer(subquery.Parameters[0], association, otherSource, thisInstance);
return rc.Visit(subquery.Body);
}
}
return WhereClauseFromSourceAndKeys(otherSource, association.OtherKey.ToArray(), keyValues);
}