/// <summary>
/// Writes the given deltaDeletedEntry specified by the parameter graph as a part of an existing OData message using the given
/// messageWriter and the writeContext.
/// </summary>
/// <param name="graph">The object to be written.</param>
/// <param name="writer">The <see cref="ODataDeltaWriter" /> to be used for writing.</param>
/// <param name="writeContext">The <see cref="ODataSerializerContext"/>.</param>
public virtual async Task WriteDeletedResourceAsync(object graph, ODataWriter writer, ODataSerializerContext writeContext)
{
if (writer == null)
{
throw Error.ArgumentNull(nameof(writer));
}
EdmDeltaDeletedResourceObject edmDeltaDeletedEntity = graph as EdmDeltaDeletedResourceObject;
if (edmDeltaDeletedEntity == null)
{
throw new SerializationException(Error.Format(SRResources.CannotWriteType, GetType().Name, graph?.GetType().FullName));
}
Uri id = edmDeltaDeletedEntity.Id;
DeltaDeletedEntryReason reason = edmDeltaDeletedEntity.Reason ?? DeltaDeletedEntryReason.Deleted;
ODataDeletedResource deletedResource = new ODataDeletedResource(id, reason);
if (edmDeltaDeletedEntity.NavigationSource != null)
{
ODataResourceSerializationInfo serializationInfo = new ODataResourceSerializationInfo
{
NavigationSourceName = edmDeltaDeletedEntity.NavigationSource.Name
};
deletedResource.SetSerializationInfo(serializationInfo);
}
if (deletedResource != null)
{
await writer.WriteStartAsync(deletedResource).ConfigureAwait(false);
await writer.WriteEndAsync().ConfigureAwait(false);
}
}
/// <summary>
/// Creates a new <see cref="ODataDeletedResource"/> instance to return to the user.
/// </summary>
/// <param name="id">The id of the deleted resource, or null if not yet known.</param>
/// <param name="reason">The <see cref="DeltaDeletedEntryReason"/> for the deleted resource.</param>
/// <returns>The newly created deleted resource.</returns>
/// <remarks>The method populates the Properties property with an empty read only enumeration.</remarks>
internal static ODataDeletedResource CreateDeletedResource(Uri id, DeltaDeletedEntryReason reason)
{
return(new ODataDeletedResource(id, reason)
{
Properties = new ReadOnlyEnumerable <ODataProperty>()
});
}
/// <summary>
/// Initializes a new <see cref="ODataDeletedResource"/>.
/// </summary>
/// <param name="id">The id of the deleted entity, which may be absolute or relative.</param>
/// <param name="reason">The reason of deleted resource.</param>
public ODataDeletedResource(System.Uri id, DeltaDeletedEntryReason reason)
{
if (id != null)
{
this.Id = id;
}
this.Reason = reason;
}
/// <summary>
/// Initializes a new <see cref="ODataDeltaDeletedEntry"/>.
/// </summary>
/// <param name="id">The id of the deleted entity, which may be absolute or relative.</param>
/// <param name="reason">The reason of deleted entry.</param>
public ODataDeltaDeletedEntry(string id, DeltaDeletedEntryReason reason)
{
this.Id = id;
this.Reason = reason;
}
/// <summary>
/// Initializes a new <see cref="ODataDeltaDeletedEntry"/>.
/// </summary>
/// <param name="id">The id of the deleted entity, which may be absolute or relative.</param>
/// <param name="reason">The reason of deleted entry.</param>
public ODataDeltaDeletedEntry(string id, DeltaDeletedEntryReason reason)
{
this.Id = id;
this.Reason = reason;
}
