Cloud Firestore V1 Client - Class ConcurrencyMode (2.3.3)

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Reference documentation and code samples for the Cloud Firestore V1 Client class ConcurrencyMode.

The type of concurrency control mode for transactions.

Protobuf type google.firestore.v1.TransactionOptions.ConcurrencyMode

Namespace

Google \ Cloud \ Firestore \ V1 \ TransactionOptions

Methods

static::name

Parameter
Name	Description
value	mixed

static::value

Parameter
Name	Description
name	mixed

Constants

CONCURRENCY_MODE_UNSPECIFIED

Value: 0

Start the transaction with the database-level default concurrency mode.

Generated from protobuf enum CONCURRENCY_MODE_UNSPECIFIED = 0;

OPTIMISTIC

Value: 1

Use optimistic concurrency control for the new transaction.

Generated from protobuf enum OPTIMISTIC = 1;

PESSIMISTIC

Value: 2

Use pessimistic concurrency control for the new transaction.

Generated from protobuf enum PESSIMISTIC = 2;