Class ChangeSet

Namespace

Cratis.Arc.Queries

Assembly

Cratis.Arc.Core.dll

Represents a set of changes describing which items were added, replaced, or removed in an observable query result since the previous update.

public class ChangeSet

Inheritance

object

ChangeSet

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Extension Methods

MethodCalls.CallGenericMethod<TOut, T>(T, Expression<Func<T, Func<TOut>>>, params Type[])

MethodCalls.CallGenericMethod<TOut, T, T1>(T, Expression<Func<T, Func<T1, TOut>>>, T1, params Type[])

MethodCalls.CallGenericMethod<TOut, T, T1, T2>(T, Expression<Func<T, Func<T1, T2, TOut>>>, T1, T2, params Type[])

MethodCalls.CallGenericMethod<TOut, T, T1, T2, T3>(T, Expression<Func<T, Func<T1, T2, T3, TOut>>>, T1, T2, T3, params Type[])

ConverterExtensions.ConvertTo(object, Type)

ConceptExtensions.GetConceptValue(object)

ConceptExtensions.IsConcept(object)

JsonValueExtensions.ToJsonValue(object?)

ObservableExtensions.InvokeAndWrapWithSubject<TResult>(object, Func<CancellationToken, IObservable<TResult>>)

ObservableExtensions.InvokeAndWrapWithTransformSubject<TResult, TSource>(object, Func<CancellationToken, IObservable<TSource>>, Func<TSource, TResult>)

Remarks

A ChangeSet is optionally attached to a QueryResult when the client has requested delta-mode transfer (via the observableQueryTransferMode configuration). In delta mode the frontend applies the change set to its local copy of the collection instead of replacing the entire dataset, reducing the amount of data transferred over the wire.

When a ChangeSet is null on a QueryResult, the client must treat the Data field as the full current snapshot (full mode).

Constructors

ChangeSet()

public ChangeSet()

Properties

Added

Gets or sets the items that were added since the previous update.

public IEnumerable<object> Added { get; set; }

Property Value

IEnumerable<object>

Removed

Gets or sets the items that were removed since the previous update.

public IEnumerable<object> Removed { get; set; }

Property Value

IEnumerable<object>

Replaced

Gets or sets the items that were replaced (same identity, updated content) since the previous update.

public IEnumerable<object> Replaced { get; set; }

Property Value

IEnumerable<object>