private void Initialize()
{
_Template = new Lazy <AFElementTemplate>(() =>
{
var templateName = _EventFrameLoader.GetEventFrameTemplate(_Connection, this._ID);
return(AFElementTemplate.FindByName(templateName));
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
_EventFrames = new Lazy <ObservableCollection <AFEventFrame> >(() => {
List <AFEventFrame> frames = _EventFrameLoader.GetEventFrames(_Connection, _ID).ToList();
ObservableCollection <AFEventFrame> obsList = new ObservableCollection <AFEventFrame>(frames);
obsList.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(ChildrenChanged);
return(obsList);
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
_Attributes = new Lazy <ObservableCollection <AFAttribute> >(() => {
var attrs = _EventFrameLoader.GetAttributes(_Connection, this._ID, "*", "*", "*", "*", false, "Name", "Ascending", 0, false, false, 1000);
ObservableCollection <AFAttribute> obsList = new ObservableCollection <AFAttribute>();
foreach (var attribute in attrs)
{
obsList.Add(AFAttribute.Find(_Connection, attribute.ID));
}
obsList.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(AttributesChanged);
return(obsList);
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
}
public override void CheckIn()
{
if (IsDirty && !IsDeleted)
{
_EventFrameController.Update(_Connection, this);
if (_EventFrames != null)
{
foreach (AFEventFrame frame in _EventFrames.Where(x => x.IsNew || x.IsDeleted))
{
if (frame.IsNew)
{
_EventFrameController.CreateEventFrame(_Connection, WebID, frame);
}
else if (frame.IsDeleted)
{
frame.Delete();
frame.CheckIn();
}
}
}
if (_Attributes != null)
{
foreach (AFAttribute attr in _Attributes.Where(x => x.IsDeleted))
{
AFAttribute.Delete(_Connection, attr.WebID);
}
}
ResetState();
}
}
/// <summary>
/// Builds loader object and sets all callbacks for lazy loading
/// </summary>
private void Initialize()
{
//Initialize Category List
_Categories = new Lazy <ObservableCollection <string> >(() => {
return(new ObservableCollection <string>(_ElementLoader.GetCategories(_Connection, _ID)));
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
//Initialize Template Loader
_Template = new Lazy <AFElementTemplate>(() =>
{
string templateName = _ElementLoader.GetElementTemplate(_Connection, this._ID);
return(AFElementTemplate.Find(_Connection, templateName));
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
//Initialize Parent Loader
string parentPath = Path.Substring(0, Path.LastIndexOf('\\'));
_Parent = new Lazy <AFElement>(() =>
{
return(_ElementLoader.FindByPath(_Connection, parentPath));
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
//Initialize Attributes Loader
_Attributes = new Lazy <ObservableCollection <AFAttribute> >(() =>
{
List <LazyObjects.AFAttribute> resultList = _ElementLoader.GetAttributes(_Connection, this.ID).ToList();
ObservableCollection <AFAttribute> obsList = new ObservableCollection <AFAttribute>();
foreach (var attr in resultList)
{
obsList.Add(AFAttribute.Find(_Connection, attr.ID));
}
obsList.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(AttributesChanged);
return(obsList);
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
//Initialize Children Loader
_Children = new Lazy <ObservableCollection <AFElement> >(() =>
{
List <LazyObjects.AFElement> resultList = _ElementLoader.GetElements(_Connection, this.ID).ToList();
ObservableCollection <AFElement> obsList = new ObservableCollection <AFElement>(resultList);
obsList.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(ChildrenChanged);
return(obsList);
}, System.Threading.LazyThreadSafetyMode.ExecutionAndPublication);
}
private void AttributesChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
{
AFAttribute.Create(_Connection, this._ID, (AFAttribute)sender);
}
else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove)
{
AFAttribute obj = (AFAttribute)sender;
AFAttribute.Delete(_Connection, obj.ID);
}
else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Replace)
{
throw new NotImplementedException("Replace is not supported by LazyPI.");
}
else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Reset)
{
throw new NotImplementedException("Reset is not supported by LazyPI.");
}
else if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Move)
{
throw new NotImplementedException("Move is not supported by LazyPI.");
}
}
/// <summary>
/// Creates element using the partial Attribute provided.
/// </summary>
/// <param name="ElementID">The element that will hold the attribute.</param>
/// <param name="Attr">The partial attribute holding information to create attribute.</param>
/// <returns>Returns true if creation completes properly.</returns>
/// <remarks>It is expected that the attribute will not have ID and Path</remarks>
public static bool Create(LazyPI.Common.Connection Connection, string ElementID, AFAttribute Attr)
{
return _AttrLoader.Create(Connection, ElementID, Attr);
}
/// <summary>
/// Creates element using the partial Attribute provided.
/// </summary>
/// <param name="ElementID">The element that will hold the attribute.</param>
/// <param name="Attr">The partial attribute holding information to create attribute.</param>
/// <returns>Returns true if creation completes properly.</returns>
/// <remarks>It is expected that the attribute will not have ID and Path</remarks>
public static bool Create(LazyPI.Common.Connection Connection, string ElementID, AFAttribute Attr)
{
return(_AttrLoader.Create(Connection, ElementID, Attr));
}
public bool CreateAttribute(LazyPI.Common.Connection Connection, string FrameID, LazyObjects.AFAttribute attribute)
{
WebAPIConnection webConnection = (WebAPIConnection)Connection;
var request = new RestRequest("/eventframes/{webId}/attributes", Method.POST);
request.AddUrlSegment("webId", FrameID);
request.AddBody(attribute);
var statusCode = webConnection.Client.Execute(request).StatusCode;
return((int)statusCode == 201 ? true : false);
}
public static void Create(Connection Connection, string ElementID, AFAttribute Attr)
{
GetController(Connection).Create(Connection, ElementID, Attr);
}
public bool CreateAttribute(LazyPI.Common.Connection Connection, string ParentID, LazyObjects.AFAttribute Attr)
{
WebAPIConnection webConnection = (WebAPIConnection)Connection;
var request = new RestRequest("/elements/{webId}/attributes", Method.POST);
request.AddUrlSegment("webId", ParentID);
request.AddBody(Attr);
var statusCode = webConnection.Client.Execute(request).StatusCode;
return((int)statusCode == 201);
}
