Google Cloud Datastore v1 API - Class TransactionOptions (4.5.0)

Version 4.5.0

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public sealed class TransactionOptions : IMessage<TransactionOptions>, IEquatable<TransactionOptions>, IDeepCloneable<TransactionOptions>, IBufferMessage, IMessage

Reference documentation and code samples for the Google Cloud Datastore v1 API class TransactionOptions.

Options for beginning a new transaction.

Transactions can be created explicitly with calls to [Datastore.BeginTransaction][google.datastore.v1.Datastore.BeginTransaction] or implicitly by setting [ReadOptions.new_transaction][google.datastore.v1.ReadOptions.new_transaction] in read requests.

Inheritance

object > TransactionOptions

Implements

IMessageTransactionOptions, IEquatableTransactionOptions, IDeepCloneableTransactionOptions, IBufferMessage, IMessage

Inherited Members

object.GetHashCode()

object.GetType()

object.ToString()

Namespace

GoogleCloudGoogle.Cloud.DatastoreV1

Assembly

Google.Cloud.Datastore.V1.dll

Constructors

TransactionOptions()

public TransactionOptions()

TransactionOptions(TransactionOptions)

public TransactionOptions(TransactionOptions other)

Parameter
Name	Description
other	TransactionOptions

Properties

ModeCase

public TransactionOptions.ModeOneofCase ModeCase { get; }

Property Value
Type	Description
TransactionOptionsModeOneofCase

ReadOnly

public TransactionOptions.Types.ReadOnly ReadOnly { get; set; }

The transaction should only allow reads.

Property Value
Type	Description
TransactionOptionsTypesReadOnly

ReadWrite

public TransactionOptions.Types.ReadWrite ReadWrite { get; set; }

The transaction should allow both reads and writes.

Property Value
Type	Description
TransactionOptionsTypesReadWrite

Methods

CreateForRetry(ByteString)

public static TransactionOptions CreateForRetry(ByteString previousTransactionId)

Creates options for a transaction that will retry a previous one, identified by previousTransactionId.

Parameter
Name	Description
previousTransactionId	ByteString The ID of the transaction being retried.

Returns
Type	Description
TransactionOptions	A TransactionOptions for a transaction to retry.

CreateReadOnly()

public static TransactionOptions CreateReadOnly()

Creates options for a read-only transaction.

Returns
Type	Description
TransactionOptions	A TransactionOptions for a read-only transaction.

CreateReadWrite()

public static TransactionOptions CreateReadWrite()

Creates options for a read-write transaction. (This is equivalent to not specifying transaction options at all.)

Returns
Type	Description
TransactionOptions	A TransactionOptions for a read-write transaction.