/// <summary>
/// Creates a new lazy loading thunk referring to the containing list source and the id of the child entities as represented by <typeparamref name="R">R</typeparamref>. Used for LookupMulti fields.
/// </summary>
/// <param name="context">Context source. Will be used to get the child entities from the list represented by <typeparamref name="R">R</typeparamref>.</param>
/// <param name="ids">List of unique ids of the entities to be loaded from the child (lookup) list.</param>
public LazyLoadingThunk(SharePointDataContext context, int[] ids)
{
Debug.Assert(context != null && ids != null);
this.context = context;
this.ids = ids;
}
/// <summary>
/// Creates a new lazy loading thunk referring to the context source and the id of the child entity as represented by <typeparamref name="R">R</typeparamref>. Used for Lookup fields.
/// </summary>
/// <param name="context">Context source. Will be used to get the child entity from the list represented by <typeparamref name="R">R</typeparamref>.</param>
/// <param name="id">Unique id of the entity to be loaded from the child (lookup) list.</param>
public LazyLoadingThunk(SharePointDataContext context, int id)
{
Debug.Assert(context != null);
this.context = context;
this.id = id;
}
/// <summary>
/// Create a list source object for querying of a SharePoint list.
/// </summary>
/// <param name="context">Data context object used to connect to SharePoint.</param>
public SharePointList(SharePointDataContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
_context = context;
_context.RegisterList(this);
}
/// <summary>
/// Gets a query provider for the specified data context.
/// </summary>
/// <param name="context">Data context to get a query provider for.</param>
/// <returns>Query provider for the specified data context.</returns>
public static SharePointListQueryProvider GetInstance(SharePointDataContext context)
{
if (providers.Contains(context))
{
return((SharePointListQueryProvider)providers[context]);
}
else
{
return(new SharePointListQueryProvider(context));
}
}
/// <summary>
/// Creates an entity reference for deferred loading.
/// </summary>
/// <param name="context">Context used to load the entity.</param>
/// <param name="id">Primary key of the entity to be loaded.</param>
internal EntityRef(SharePointDataContext context, int id)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
_list = context.GetList <T>();
_id = id;
_entity = default(T);
_loaded = false;
}
/// <summary>
/// Create a list source object for querying of a SharePoint list.
/// </summary>
/// <param name="context">Data context object used to connect to SharePoint.</param>
/// <param name="autoRegister">Indicates whether or not the list should be registered with the context.</param>
internal SharePointList(SharePointDataContext context, bool autoRegister)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
_context = context;
if (autoRegister)
{
_context.RegisterList(this);
}
}
/// <summary>
/// Creates a set of entity references for lazy loading.
/// </summary>
/// <param name="context">Context used to load the entities.</param>
/// <param name="ids">Primary keys of the entities to be loaded.</param>
/// <param name="onAdd">Action to take when an entity is added to the set.</param>
/// <param name="onRemove">Action to take when an entity is removed from the set.</param>
internal EntitySet(SharePointDataContext context, int[] ids, Action <T> onAdd, Action <T> onRemove)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (ids == null)
{
throw new ArgumentNullException("ids");
}
_list = context.GetList <T>();
_ids = ids;
_entities = null;
_loaded = false;
_onAdd = onAdd;
_onRemove = onRemove;
}
/// <summary>
/// Internal constructor for the query provider.
/// </summary>
/// <param name="context">Data context to create a query provider for.</param>
internal SharePointListQueryProvider(SharePointDataContext context)
{
_context = context;
providers.Add(context, this);
}
/// <summary>
/// Creates a query object for querying a SharePoint list.
/// </summary>
/// <param name="context">Data context object used to connect to SharePoint.</param>
/// <param name="expression">Expression representing the query.</param>
public SharePointListQuery(SharePointDataContext context, Expression expression)
{
_context = context;
_expression = expression;
}
/// <summary>
/// Create a list source object for querying of a SharePoint list.
/// </summary>
/// <param name="context">Data context object used to connect to SharePoint.</param>
public SharePointList(SharePointDataContext context) : this(context, true)
{
}