/// <inheritdoc/>
public bool Load(JProperty newProperty, bool reload = false)
{
Covenant.Requires <ArgumentNullException>(newProperty != null);
var changed = !NeonHelper.JTokenEquals(property, newProperty);
property = newProperty;
if (property.Value == null || property.Value.Type == JTokenType.Null)
{
listWrapper = null;
}
else if (property.Value.Type == JTokenType.Array)
{
listWrapper = new EntityListWrapper <TEntity>(parentEntity, context, (JArray)property.Value, null);
}
else
{
listWrapper = null;
}
if (reload && changed)
{
parentEntity._OnPropertyChanged(PropertyName);
}
return(changed);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="parentEntity">The <see cref="IDynamicEntity"/> that owns this mapper.</param>
/// <param name="jsonName">The JSON property name.</param>
/// <param name="propertyName">The entity property name.</param>
/// <param name="context">The <see cref="IDynamicEntityContext"/> or <c>null</c>.</param>
public EntityListMapper(IDynamicEntity parentEntity, string jsonName, string propertyName, IDynamicEntityContext context)
{
Covenant.Requires <ArgumentNullException>(parentEntity != null);
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(jsonName));
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(propertyName));
this.parentEntity = parentEntity;
this.context = context;
this.JsonName = jsonName;
this.PropertyName = propertyName;
this.property = null;
this.listWrapper = null;
}
/// <summary>
/// Sets the collection items.
/// </summary>
/// <param name="items">The collection items or <c>null</c>.</param>
public void Set(IEnumerable <TEntity> items)
{
if (items == null)
{
if (listWrapper != null)
{
listWrapper.Detach();
}
property.Value = null;
listWrapper = null;
return;
}
var jArray = new JArray();
property.Value = jArray;
listWrapper = new EntityListWrapper <TEntity>(parentEntity, context, jArray, items);
}