io.r2dbc.spi

Interface TransactionDefinition

All Known Implementing Classes:

IsolationLevel

public interface TransactionDefinition

Specification of properties to be used when starting a transaction. This interface is typically implemented by code that calls Connection.beginTransaction(TransactionDefinition).

Since:

0.9

See Also:

Connection.beginTransaction(TransactionDefinition), Option

Field Summary

Fields

Modifier and Type	Field and Description
static Option<IsolationLevel>	ISOLATION_LEVEL Isolation level requested for the transaction.
static Option<Duration>	LOCK_WAIT_TIMEOUT Lock wait timeout.
static Option<String>	NAME Name of the transaction.
static Option<Boolean>	READ_ONLY The transaction mutability (i.e.

Method Summary

Modifier and Type	Method and Description
<T> T	getAttribute(Option<T> option) Retrieve a transaction attribute by its Option identifier.

Field Detail

ISOLATION_LEVEL

static final Option<IsolationLevel> ISOLATION_LEVEL

Isolation level requested for the transaction.

READ_ONLY

static final Option<Boolean> READ_ONLY

The transaction mutability (i.e. whether the transaction should be started in read-only mode).

NAME

static final Option<String> NAME

Name of the transaction.

LOCK_WAIT_TIMEOUT

static final Option<Duration> LOCK_WAIT_TIMEOUT

Lock wait timeout.

Method Detail

getAttribute

@Nullable
<T> T getAttribute(Option<T> option)

Retrieve a transaction attribute by its Option identifier. This low-level interface allows querying transaction attributes supported by the Connection that should be applied when starting a new transaction.

Type Parameters:

T - requested value type

Parameters:

option - the option to retrieve the value for

Returns:

the value of the transaction attribute. Can be null to indicate absence of the attribute.

Throws:

IllegalArgumentException - if name or type is null