Firestore API - Class Precondition (3.2.0)
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public sealed class Precondition
Reference documentation and code samples for the Firestore API class Precondition.
Immutable class representing a precondition for an update operation.
Inheritance
object >
Precondition
Namespace
GoogleCloudFirestore
Assembly
Google.Cloud.Firestore.dll
Properties
Exists
public bool? Exists { get; }
True if the document must exist; false if the document must not exist.
If this is non-null, LastUpdateTime will be null.
Property Value |
---|
Type | Description |
bool | |
LastUpdateTime
public Timestamp? LastUpdateTime { get; }
Condition that the document was last updated at the specified timestamp, if specified.
If this is non-null, Exists will be null.
MustExist
public static Precondition MustExist { get; }
Precondition that the document must exist, but with any last update time.
None
public static Precondition None { get; }
Methods
LastUpdated(Timestamp)
public static Precondition LastUpdated(Timestamp timestamp)
Creates a precondition that the document has the specified last update time.
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Last updated 2024-09-27 UTC.
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