Module io.helidon.transaction

Package io.helidon.transaction

Class Tx

java.lang.Object

io.helidon.transaction.Tx

public final class Tx
extends Object

Annotations and types related to transactional method execution.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static @interface	Tx.Mandatory	Annotated method will be executed with managed transaction of Tx.Type.MANDATORY type.
static @interface	Tx.Never	Annotated method will be executed with managed transaction of Tx.Type.NEVER type.
static @interface	Tx.New	Annotated method will be executed with managed transaction of Tx.Type.NEW type.
static @interface	Tx.Required	Annotated method will be executed with managed transaction of Tx.Type.REQUIRED type.
static @interface	Tx.Supported	Annotated method will be executed with managed transaction of Tx.Type.SUPPORTED type.
static @interface	Tx.TransactionType	Transaction Tx.Type annotation.
static enum	Tx.Type	Transaction type.
static @interface	Tx.Unsupported	Annotated method will be executed with managed transaction of Tx.Type.UNSUPPORTED type.

Method Summary

Modifier and Type	Method	Description
static void	transaction(Functions.CheckedRunnable<Exception> task)	Execute provided task with managed transaction of Tx.Type.REQUIRED type.
static void	transaction(Tx.Type type, Functions.CheckedRunnable<Exception> task)	Execute provided task with managed transaction of provided type.
static <T> T	transaction(Tx.Type type, Callable<T> task)	Execute provided task with managed transaction of provided type.
static <T> T	transaction(Callable<T> task)	Execute provided task with managed transaction of Tx.Type.REQUIRED type.

Methods inherited from class java.lang.Object

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

Method Details

transaction

public static <T> T transaction(Callable<T> task)

Execute provided task with managed transaction of Tx.Type.REQUIRED type. Task computes and returns result according to Callable contract.

Type Parameters:

T - the result type of the task

Parameters:

task - task to run in transaction, shall not be null

Returns:

computed task result

Throws:

TxException - when result computation failed

transaction

public static <T> T transaction(Tx.Type type,
 Callable<T> task)

Execute provided task with managed transaction of provided type. Task computes and returns result according to Callable contract.

Type Parameters:

T - the result type of the task

Parameters:

type - transaction type, shall not be null

task - task to run in transaction, shall not be null

Returns:

computed task result

Throws:

TxException - when result computation failed

transaction

public static void transaction(Functions.CheckedRunnable<Exception> task)

Execute provided task with managed transaction of Tx.Type.REQUIRED type. Task does not return any result according to Functions.CheckedRunnable contract.

Parameters:

task - task to run in transaction, shall not be null

Throws:

TxException - when task computation failed

transaction

public static void transaction(Tx.Type type,
 Functions.CheckedRunnable<Exception> task)

Execute provided task with managed transaction of provided type. Task does not return any result according to Functions.CheckedRunnable contract.

Parameters:

type - transaction type, shall not be null

task - task to run in transaction, shall not be null

Throws:

TxException - when task computation failed