/// <summary>
/// Gets the collection of business objects from the specified relationship member.
/// </summary>
/// <param name="entity"></param>
/// <param name="member">The relationship member.</param>
/// <param name="listPropertyName">The property name.</param>
/// <returns>A collection of business objects which represent the
/// relationship defined by the specified relationship member.</returns>
protected IList GetList(Object entity, EntityRelationshipMember member, String listPropertyName)
{
IList list;
if ( member != null && member.HasDataSource )
{
// get list from data source
list = member.GetEntityList();
}
else
{
// get list from DeepLoaded entity
list = EntityUtil.GetEntityList(entity, listPropertyName);
}
return list;
}
/// <summary>
/// Updates the specified business object with the specified name/value pairs.
/// </summary>
/// <param name="member">The relationship member.</param>
/// <param name="link">The business object to update.</param>
/// <param name="values">A collection of name/value pairs to insert.</param>
private void Update(EntityRelationshipMember member, Object link, IDictionary values)
{
if ( member != null && member.HasDataSource )
{
member.GetLinkedDataSource().Update(link, values);
}
else
{
EntityUtil.SetEntityValues(link, values);
}
}
/// <summary>
/// Removes the specified item from the collection of business objects.
/// </summary>
/// <param name="member">The relationship member.</param>
/// <param name="links">A collection of business objects.</param>
/// <param name="link">The item to remove.</param>
private void Remove(EntityRelationshipMember member, IList links, Object link)
{
EntityUtil.Remove(links, link);
if ( member != null && member.HasDataSource )
{
member.GetLinkedDataSource().Delete(link);
}
}
/// <summary>
/// Inserts the specified name/value pairs into the
/// relationship defined by the specified member.
/// </summary>
/// <param name="member">The relationship member.</param>
/// <param name="links">A collection of business objects.</param>
/// <param name="values">A collection of name/value pairs to insert.</param>
/// <param name="initEntityKey">A value indicating whether or not to initialize the
/// business object's unique identifier property before executing the insert operation.</param>
private void Insert(EntityRelationshipMember member, IList links, IDictionary values, bool initEntityKey)
{
if ( member != null && member.HasDataSource )
{
member.GetLinkedDataSource().Insert(values);
}
else
{
Object link = EntityUtil.GetNewEntity(member.EntityType);
EntityUtil.SetEntityValues(link, values);
if ( initEntityKey )
{
EntityUtil.SetEntityKeyValue(link, member.EntityKeyName);
}
EntityUtil.Add(links, link);
}
}
/// <summary>
/// Inserts the specified name/value pairs into the
/// relationship defined by the specified member.
/// </summary>
/// <param name="member">The relationship member.</param>
/// <param name="links">A collection of business objects.</param>
/// <param name="values">A collection of name/value pairs to insert.</param>
private void Insert(EntityRelationshipMember member, IList links, IDictionary values)
{
Insert(member, links, values, false);
}
/// <summary>
/// Inserts any previously cached business object references.
/// </summary>
/// <param name="member">The relationship member.</param>
private void Insert(EntityRelationshipMember member)
{
if ( member != null && member.HasDataSource )
{
Object entityKeyValue = PrimaryMember.GetEntityId();
foreach ( IDictionary values in member.Inserts )
{
values[member.EntityKeyName] = entityKeyValue;
member.GetLinkedDataSource().Insert(values);
}
member.Inserts.Clear();
}
}
