Class NamedSubscription

A managed Realm object representing a subscription. Subscriptions are used by Query-based Realms to define which data should be available on the device. It is the persisted version of a Subscription<T> created by calling Subscribe<T>(IQueryable<T>, SubscriptionOptions, Expression<Func<T, IQueryable>>[]).

Inheritance
Object
RealmObject
NamedSubscription
Inherited Members
Namespace: Realms.Sync
Assembly: Realm.dll
Syntax
[MapTo("__ResultSets")]
public class NamedSubscription : RealmObject, INotifyPropertyChanged, ISchemaSource, IThreadConfined, NotificationsHelper.INotifiable, IReflectableType

Properties

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CreatedAt

Gets the point in time when the subscription was created.

Declaration
[MapTo("created_at")]
public DateTimeOffset CreatedAt { get; }
Property Value
Type Description
DateTimeOffset

The creation date of the subscription.
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Error

Gets a value indicating what error (if any) has occurred while processing the subscription. If the State is not Error, this will be null.

Declaration
public Exception Error { get; }
Property Value
Type Description
Exception

An instance of Exception if an error has occurred; null otherwise.
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ExpiresAt

Gets the point in time when the subscription will expire and become eligible for removal.

Declaration
[MapTo("expires_at")]
public DateTimeOffset? ExpiresAt { get; }
Property Value
Type Description
Nullable<DateTimeOffset>

The expiration date of the subscription.
Remarks

Realm will automatically remove expired subscriptions at opportunistic times. There are no guarantees as to when the subscription will be removed.

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Name

Gets the name of the subscription. If no name was provided in Name, then an automatic name will have been generated based on the query.

Declaration
[MapTo("name")]
[Indexed]
[Required]
public string Name { get; }
Property Value
Type Description
String

The subscription name.
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ObjectType

Gets the type of the object that this subscription is applied to.

Declaration
public string ObjectType { get; }
Property Value
Type Description
String

The type of the object that the subscription matches.
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Query

Gets the string representation of the query used to create the subscription.

Declaration
[MapTo("query")]
[Required]
public string Query { get; }
Property Value
Type Description
String

The subscription query.
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State

Gets a value indicating the state of this subscription.

Declaration
public SubscriptionState State { get; }
Property Value
Type Description
SubscriptionState

The state of the subscription.
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TimeToLive

Gets the time to live of the subscription.

Declaration
public TimeSpan? TimeToLive { get; }
Property Value
Type Description
Nullable<TimeSpan>

The subscription's time to live.
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UpdatedAt

Gets the point in time when the subscription was updated.

Declaration
[MapTo("updated_at")]
public DateTimeOffset UpdatedAt { get; }
Property Value
Type Description
DateTimeOffset

The last updated date of the subscription.
Remarks

In this context, "updated" means that the subscription was resubscribed to or some property was updated by calling Subscribe<T>(IQueryable<T>, SubscriptionOptions, Expression<Func<T, IQueryable>>[]). The field is NOT updated whenever the results of the query changes.

Implements

Extension Methods