io.r2dbc.spi

Class IsolationLevel

java.lang.Object

io.r2dbc.spi.IsolationLevel

All Implemented Interfaces:

TransactionDefinition

public final class IsolationLevel
extends Object
implements TransactionDefinition

Represents a transaction isolation level constant.

Field Summary

Fields

Modifier and Type	Field and Description
static IsolationLevel	READ_COMMITTED The read committed isolation level.
static IsolationLevel	READ_UNCOMMITTED The read uncommitted isolation level.
static IsolationLevel	REPEATABLE_READ The repeatable read isolation level.
static IsolationLevel	SERIALIZABLE The serializable isolation level.

Fields inherited from interface io.r2dbc.spi.TransactionDefinition

ISOLATION_LEVEL, LOCK_WAIT_TIMEOUT, NAME, READ_ONLY

Method Summary

Modifier and Type	Method and Description
String	asSql() Returns the SQL string represented by each value.
<T> T	getAttribute(Option<T> option) Retrieve a transaction attribute by its Option identifier.
String	toString()
static IsolationLevel	valueOf(String sql) Returns a constant single of an isolation level.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

READ_COMMITTED

public static final IsolationLevel READ_COMMITTED

The read committed isolation level.

READ_UNCOMMITTED

public static final IsolationLevel READ_UNCOMMITTED

The read uncommitted isolation level.

REPEATABLE_READ

public static final IsolationLevel REPEATABLE_READ

The repeatable read isolation level.

SERIALIZABLE

public static final IsolationLevel SERIALIZABLE

The serializable isolation level.

Method Detail

valueOf

public static IsolationLevel valueOf(String sql)

Returns a constant single of an isolation level.

Parameters:

sql - the SQL statement representing the isolation level

Returns:

a constant singleton of the the isolation level

Throws:

IllegalArgumentException - if name is null or empty

getAttribute

public <T> T getAttribute(Option<T> option)

Description copied from interface: TransactionDefinition

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.

Specified by:

getAttribute in interface TransactionDefinition

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.

asSql

public String asSql()

Returns the SQL string represented by each value.

Returns:

the SQL string represented by each value

toString

public String toString()

Overrides:

toString in class Object