private Expression GetIdentityExpressionForReferencedEntity(SqlEntityRefMemberExpression expression)
{
var optimizedIdentity = _resolver.TryResolveOptimizedIdentity(expression);
if (optimizedIdentity != null)
{
return(optimizedIdentity);
}
var unresolvedJoinInfo = new UnresolvedJoinInfo(expression.OriginatingEntity, expression.MemberInfo, JoinCardinality.One);
return(_stage.ResolveEntityRefMemberExpression(expression, unresolvedJoinInfo, _context).GetIdentityExpression());
}
public virtual Expression VisitSqlEntityRefMember(SqlEntityRefMemberExpression expression)
{
ArgumentUtility.CheckNotNull("expression", expression);
if (!_resolveEntityRefMemberExpressions)
{
return(VisitExtension(expression));
}
var unresolvedJoinInfo = new UnresolvedJoinInfo(expression.OriginatingEntity, expression.MemberInfo, JoinCardinality.One);
// No revisiting required since this visitor does not handle ISqlEntityExpressions.
return(_stage.ResolveEntityRefMemberExpression(expression, unresolvedJoinInfo, _context));
}
public Expression VisitSqlEntityRefMember(SqlEntityRefMemberExpression expression)
{
ArgumentUtility.CheckNotNull("expression", expression);
// Scenario: entityRef.Member
var result = _mappingResolver.TryResolveOptimizedMemberExpression(expression, _memberInfo);
if (result != null)
{
return(result);
}
// Optimized member access didn't work, so resolve the entity reference (adding joins and such), then retry.
var unresolvedJoinInfo = new UnresolvedJoinInfo(expression.OriginatingEntity, expression.MemberInfo, JoinCardinality.One);
var entityExpression = _stage.ResolveEntityRefMemberExpression(expression, unresolvedJoinInfo, _context);
return(Visit(entityExpression));
}