org.noear.solon.data.tran

Enum TranPolicy

java.lang.Object

java.lang.Enum<TranPolicy>

org.noear.solon.data.tran.TranPolicy

All Implemented Interfaces:

Serializable, Comparable<TranPolicy>

public enum TranPolicy
extends Enum<TranPolicy>

事务策略

Since:

1.0

Author:

noear

Enum Constant Summary

Enum Constants

Enum Constant and Description
mandatory 支持当前事务，如果没有事务则报错
nested 如果当前有事务，则在当前事务内部嵌套一个事务；否则新建事务（需要入栈）
never 以无事务的方式执行，如果当前有事务则报错
not_supported 以无事务的方式执行，如果当前有事务则将其挂起
required 默认。
requires_new 新建一个事务，同时将当前事务挂起（需要入栈）
supports 支持当前事务，如果没有则不使用事务

Field Summary

Fields

Modifier and Type	Field and Description
int	code

Method Summary

Modifier and Type	Method and Description
static TranPolicy	valueOf(String name) Returns the enum constant of this type with the specified name.
static TranPolicy[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

required

public static final TranPolicy required

默认。支持当前事务，如果没有则创建一个新的（需要入栈）

requires_new

public static final TranPolicy requires_new

新建一个事务，同时将当前事务挂起（需要入栈）

nested

public static final TranPolicy nested

如果当前有事务，则在当前事务内部嵌套一个事务；否则新建事务（需要入栈）

mandatory

public static final TranPolicy mandatory

支持当前事务，如果没有事务则报错

supports

public static final TranPolicy supports

支持当前事务，如果没有则不使用事务

not_supported

public static final TranPolicy not_supported

以无事务的方式执行，如果当前有事务则将其挂起

never

public static final TranPolicy never

以无事务的方式执行，如果当前有事务则报错

Field Detail

code

public final int code

Method Detail

values

public static TranPolicy[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (TranPolicy c : TranPolicy.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static TranPolicy valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null