public override EntityExpression IncludeMembers(EntityExpression entity, Func <MemberInfo, bool> fnIsIncluded)
{
var assignments = this.GetAssignments(entity.Expression).ToDictionary(ma => ma.Member.Name);
bool anyAdded = false;
foreach (var mi in this.mapping.GetMappedMembers(entity.Entity))
{
EntityAssignment ea;
bool okayToInclude = !assignments.TryGetValue(mi.Name, out ea) || IsNullRelationshipAssignment(entity.Entity, ea);
if (okayToInclude && fnIsIncluded(mi))
{
ea = new EntityAssignment(mi, this.GetMemberExpression(entity.Expression, entity.Entity, mi));
assignments[mi.Name] = ea;
anyAdded = true;
}
}
if (anyAdded)
{
return(new EntityExpression(entity.Entity, this.BuildEntityExpression(entity.Entity, assignments.Values.ToList())));
}
return(entity);
}
protected virtual Expression VisitEntity(EntityExpression entity)
{
this.Visit(entity.Expression);
return(entity);
}
/// <summary> /// </summary> /// <returns></returns> public abstract bool HasIncludedMembers(EntityExpression entity);
/// <summary> /// Recreate the type projection with the additional members included /// </summary> /// <param name="entity"></param> /// <param name="fnIsIncluded"></param> /// <returns></returns> public abstract EntityExpression IncludeMembers(EntityExpression entity, Func <MemberInfo, bool> fnIsIncluded);
protected override Expression VisitEntity(EntityExpression entity)
{
return(this.Visit(entity.Expression));
}
protected virtual Expression VisitEntity(EntityExpression entity)
{
var exp = this.Visit(entity.Expression);
return(this.UpdateEntity(entity, exp));
}
protected virtual bool CompareEntity(EntityExpression x, EntityExpression y)
{
return(x.Entity == y.Entity && this.Compare(x.Expression, y.Expression));
}