public sealed class Precondition : IMessage<Precondition>, IEquatable<Precondition>, IDeepCloneable<Precondition>, IBufferMessage, IMessage
Reference documentation and code samples for the Firestore v1 API class Precondition.
A precondition on a document, used for conditional operations.
Implements
IMessagePrecondition, IEquatablePrecondition, IDeepCloneablePrecondition, IBufferMessage, IMessageNamespace
Google.Cloud.Firestore.V1Assembly
Google.Cloud.Firestore.V1.dll
Constructors
Precondition()
public Precondition()
Precondition(Precondition)
public Precondition(Precondition other)
Parameter | |
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Name | Description |
other |
Precondition |
Properties
ConditionTypeCase
public Precondition.ConditionTypeOneofCase ConditionTypeCase { get; }
Property Value | |
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Type | Description |
PreconditionConditionTypeOneofCase |
Exists
public bool Exists { get; set; }
When set to true
, the target document must exist.
When set to false
, the target document must not exist.
Property Value | |
---|---|
Type | Description |
bool |
HasExists
public bool HasExists { get; }
Gets whether the "exists" field is set
Property Value | |
---|---|
Type | Description |
bool |
UpdateTime
public Timestamp UpdateTime { get; set; }
When set, the target document must exist and have been last updated at that time. Timestamp must be microsecond aligned.
Property Value | |
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Type | Description |
Timestamp |