/// <summary>
/// Constructor.
/// </summary>
internal EntityMemberName(EntityMember member)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
// set...
if (member.EntityType == null)
{
throw new InvalidOperationException("member.EntityType is null.");
}
_entityTypeName = member.EntityType.EntityTypeName;
_name = member.Name;
// check...
if (member is EntityField)
{
_memberType = EntityMemberType.Field;
}
else
{
throw new NotSupportedException(string.Format("Cannot handle '{0}'.", member));
}
}
/// <summary>
/// Creates a view property for the given expression.
/// </summary>
/// <param name="entityType"></param>
/// <param name="expression"></param>
/// <returns></returns>
public static EntityViewProperty GetViewProperty(EntityType entityType, string expression)
{
if (entityType == null)
{
throw new ArgumentNullException("entityType");
}
if (expression == null)
{
throw new ArgumentNullException("expression");
}
if (expression.Length == 0)
{
throw ExceptionHelper.CreateZeroLengthArgumentException("expression");
}
// is it a member?
EntityMember member = entityType.GetMember(expression, OnNotFound.ReturnNull);
if (member != null)
{
return(member.GetViewProperty());
}
// is it a property?
PropertyInfo property = entityType.Type.GetProperty(expression, BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase);
if (property != null)
{
return(new EntityBindViewProperty(entityType, property));
}
// throw...
throw new InvalidOperationException(string.Format(Cultures.Exceptions, "Cannot create expression for '{0}' on '{1}'.", expression, entityType));
}
public void Initializing(EntityMemberBox box, BootFX.Common.Entities.EntityMember member)
{
if (box == null)
{
throw new ArgumentNullException("box");
}
if (member == null)
{
throw new ArgumentNullException("member");
}
// set...
if (member is EntityField)
{
EntityField field = (EntityField)member;
if (field.EnumerationType != null)
{
this.EnumType = field.EnumerationType;
}
else
{
throw new InvalidOperationException(string.Format("Field '{0}' does not have an enumeration mapping.", member));
}
}
else
{
throw new NotSupportedException(string.Format("Cannot handle '{0}'.", member));
}
}
/// <summary>
/// Sorts the list using the given comparer.
/// </summary>
/// <param name="comparer"></param>
public void Sort(string memberName, CultureInfo culture, SortDirection direction)
{
if (memberName == null)
{
throw new ArgumentNullException("memberName");
}
if (memberName.Length == 0)
{
throw new ArgumentOutOfRangeException("'memberName' is zero-length.");
}
// check...
this.AssertIsStrongCollection();
// get...
EntityMember member = this.EntityType.GetMember(memberName, OnNotFound.ThrowException);
if (member == null)
{
throw new InvalidOperationException("member is null.");
}
if (member is EntityField)
{
this.Sort((EntityField)member, culture, direction);
}
else
{
throw new NotSupportedException(string.Format("Cannot handle '{0}'.", member));
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="member"></param>
public EntityMemberViewProperty(EntityMember member) : base(member.EntityType)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
_member = member;
}
/// <summary>
/// Gets the key for the given field.
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
private object GetKey(EntityMember member)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
// just return it...
return(member);
}
/// <summary>
/// Gets the value for the given field.
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
public void SetValue(EntityMember member, object value)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
// set...
object key = this.GetKey(member);
this.Values[key] = value;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="field"></param>
internal EntityMemberComparer(IComparer innerComparer, EntityMember member)
{
if (innerComparer == null)
{
throw new ArgumentNullException("innerComparer");
}
if (member == null)
{
throw new ArgumentNullException("member");
}
// set...
_innerComparer = innerComparer;
_member = member;
}
/// <summary>
/// Pulls the value from the entity.
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
private object PullValue(EntityMember member)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
if (member is EntityField)
{
return(this.PullValue((EntityField)member));
}
if (member is ChildToParentEntityLink)
{
return(this.PullValue((ChildToParentEntityLink)member));
}
else
{
throw new NotSupportedException(string.Format(Cultures.Exceptions, "Cannot handle '{0}'.", member.GetType()));
}
}
/// <summary>
/// Gets the value for the given field.
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
public object GetValue(EntityMember member)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
// in the cache?
object key = this.GetKey(member);
object value = null;
if (this.Values.Contains(key) == false)
{
value = this.PullValue(member);
this.Values[key] = value;
}
else
{
value = this.Values[key];
}
// return...
return(value);
}
