TransactionDefine (anyline-data 8.7.2-20240707 API)

所有已知实现类:

DefaultTransactionDefine
```
public interface TransactionDefine
```

嵌套类概要

嵌套类
限定符和类型接口和说明

static class TransactionDefine.MODE

嵌套类
限定符和类型	接口和说明
`static class`	`TransactionDefine.MODE`

字段概要

字段
限定符和类型	字段和说明
`static int`	`ISOLATION_DEFAULT` Use the default isolation level of the underlying datastore.
`static int`	`ISOLATION_READ_COMMITTED` Indicates that dirty reads are prevented; non-repeatable reads and phantom reads can occur.
`static int`	`ISOLATION_READ_UNCOMMITTED` Indicates that dirty reads, non-repeatable reads and phantom reads can occur.
`static int`	`ISOLATION_REPEATABLE_READ` Indicates that dirty reads and non-repeatable reads are prevented; phantom reads can occur.
`static int`	`ISOLATION_SERIALIZABLE` Indicates that dirty reads, non-repeatable reads and phantom reads are prevented.
`static int`	`PROPAGATION_MANDATORY` 如果当前存在事务，则加入该事务；如果当前没有事务，则抛出异常。
`static int`	`PROPAGATION_NESTED` 如果当前存在事务，则创建一个事务作为当前事务的嵌套事务来运行；如果当前没有事务，则该取值等价于TransactionDefinition.PROPAGATION_REQUIRED。
`static int`	`PROPAGATION_NEVER` 以非事务方式运行，如果当前存在事务，则抛出异常。
`static int`	`PROPAGATION_NOT_SUPPORTED` 以非事务方式运行，如果当前存在事务，则把当前事务挂起。
`static int`	`PROPAGATION_REQUIRED` 如果当前存在事务，则加入该事务；如果当前没有事务，则创建一个新的事务
`static int`	`PROPAGATION_REQUIRES_NEW` 创建一个新的事务，如果当前存在事务，则把当前事务挂起。
`static int`	`PROPAGATION_SUPPORTS` 如果当前存在事务，则加入该事务；如果当前没有事务，则以非事务的方式继续运行。
`static int`	`TIMEOUT_DEFAULT` Use the default timeout of the underlying transaction system, or none if timeouts are not supported.

方法概要

All Methods Instance Methods Abstract Methods Default Methods
限定符和类型	方法和说明
`default int`	`getIsolationLevel()` Return the isolation level.
`default TransactionDefine.MODE`	`getMode()`
`default String`	`getName()` Return the name of this transaction.
`default int`	`getPropagationBehavior()` Return the propagation behavior.
`String`	`getPropagationBehaviorName()`
`default int`	`getTimeout()` Return the transaction timeout.
`default boolean`	`isReadOnly()` Return whether to optimize as a read-only transaction.
`void`	`setMode(TransactionDefine.MODE mode)`
`void`	`setName(String name)`
`void`	`setReadOnly(boolean readOnly)`
`void`	`setTimeout(int timeout)`

- 字段详细资料
  - PROPAGATION_REQUIRED
```
static final int PROPAGATION_REQUIRED
```
    如果当前存在事务，则加入该事务；如果当前没有事务，则创建一个新的事务
    
    另请参阅:
    
    常量字段值
  - PROPAGATION_SUPPORTS
```
static final int PROPAGATION_SUPPORTS
```
    如果当前存在事务，则加入该事务；如果当前没有事务，则以非事务的方式继续运行。
    
    另请参阅:
    
    常量字段值
  - PROPAGATION_MANDATORY
```
static final int PROPAGATION_MANDATORY
```
    如果当前存在事务，则加入该事务；如果当前没有事务，则抛出异常。
    
    另请参阅:
    
    常量字段值
  - PROPAGATION_REQUIRES_NEW
```
static final int PROPAGATION_REQUIRES_NEW
```
    创建一个新的事务，如果当前存在事务，则把当前事务挂起。
    
    另请参阅:
    
    常量字段值
  - PROPAGATION_NOT_SUPPORTED
```
static final int PROPAGATION_NOT_SUPPORTED
```
    以非事务方式运行，如果当前存在事务，则把当前事务挂起。
    
    另请参阅:
    
    常量字段值
  - PROPAGATION_NEVER
```
static final int PROPAGATION_NEVER
```
    以非事务方式运行，如果当前存在事务，则抛出异常。
    
    另请参阅:
    
    常量字段值
  - PROPAGATION_NESTED
```
static final int PROPAGATION_NESTED
```
    如果当前存在事务，则创建一个事务作为当前事务的嵌套事务来运行；如果当前没有事务，则该取值等价于TransactionDefinition.PROPAGATION_REQUIRED。
    
    另请参阅:
    
    常量字段值
  - ISOLATION_DEFAULT
```
static final int ISOLATION_DEFAULT
```
    Use the default isolation level of the underlying datastore. All other levels correspond to the JDBC isolation levels.
    
    另请参阅:
    
    Connection, 常量字段值
  - ISOLATION_READ_UNCOMMITTED
```
static final int ISOLATION_READ_UNCOMMITTED
```
    Indicates that dirty reads, non-repeatable reads and phantom reads can occur.
    This level allows a row changed by one transaction to be read by another transaction before any changes in that row have been committed (a "dirty read"). If any of the changes are rolled back, the second transaction will have retrieved an invalid row.
    
    另请参阅:
    
    Connection.TRANSACTION_READ_UNCOMMITTED, 常量字段值
  - ISOLATION_READ_COMMITTED
```
static final int ISOLATION_READ_COMMITTED
```
    Indicates that dirty reads are prevented; non-repeatable reads and phantom reads can occur.
    This level only prohibits a transaction from reading a row with uncommitted changes in it.
    
    另请参阅:
    
    Connection.TRANSACTION_READ_COMMITTED, 常量字段值
  - ISOLATION_REPEATABLE_READ
```
static final int ISOLATION_REPEATABLE_READ
```
    Indicates that dirty reads and non-repeatable reads are prevented; phantom reads can occur.
    This level prohibits a transaction from reading a row with uncommitted changes in it, and it also prohibits the situation where one transaction reads a row, a second transaction alters the row, and the first transaction re-reads the row, getting different values the second time (a "non-repeatable read").
    
    另请参阅:
    
    Connection.TRANSACTION_REPEATABLE_READ, 常量字段值
  - ISOLATION_SERIALIZABLE
```
static final int ISOLATION_SERIALIZABLE
```
    Indicates that dirty reads, non-repeatable reads and phantom reads are prevented.
    This level includes the prohibitions in ISOLATION_REPEATABLE_READ and further prohibits the situation where one transaction reads all rows that satisfy a WHERE condition, a second transaction inserts a row that satisfies that WHERE condition, and the first transaction re-reads for the same condition, retrieving the additional "phantom" row in the second read.
    
    另请参阅:
    
    Connection.TRANSACTION_SERIALIZABLE, 常量字段值
  - TIMEOUT_DEFAULT
```
static final int TIMEOUT_DEFAULT
```
    Use the default timeout of the underlying transaction system, or none if timeouts are not supported.
    
    另请参阅:
    
    常量字段值
- 方法详细资料
  - getPropagationBehavior
```
default int getPropagationBehavior()
```
    Return the propagation behavior.
    Must return one of the PROPAGATION_XXX constants
    The default is PROPAGATION_REQUIRED.
    
    返回:
    
    the propagation behavior
    
    另请参阅:
    
    PROPAGATION_REQUIRED
  - getPropagationBehaviorName
```
String getPropagationBehaviorName()
```
  - getIsolationLevel
```
default int getIsolationLevel()
```
    Return the isolation level.
    Must return one of the ISOLATION_XXX constants defined on
    Exclusively designed for use with PROPAGATION_REQUIRED or transactions. Consider switching the "validateExistingTransactions" flag to "true" on your transaction manager if you'd like isolation level declarations to get rejected when participating in an existing transaction with a different isolation level.
    The default is ISOLATION_DEFAULT. Note that a transaction manager that does not support custom isolation levels will throw an exception when given any other level than ISOLATION_DEFAULT.
    
    返回:
    
    the isolation level
  - setTimeout
```
void setTimeout(int timeout)
```
  - getTimeout
```
default int getTimeout()
```
    Return the transaction timeout.
    Must return a number of seconds, or TIMEOUT_DEFAULT.
    Exclusively designed for use with PROPAGATION_REQUIRED or PROPAGATION_REQUIRES_NEW since it only applies to newly started transactions.
    Note that a transaction manager that does not support timeouts will throw an exception when given any other timeout than TIMEOUT_DEFAULT.
    The default is TIMEOUT_DEFAULT.
    
    返回:
    
    the transaction timeout
  - setReadOnly
```
void setReadOnly(boolean readOnly)
```
  - isReadOnly
```
default boolean isReadOnly()
```
    Return whether to optimize as a read-only transaction.
    The read-only flag applies to any transaction context, whether backed by an actual resource transaction (PROPAGATION_REQUIRED/ PROPAGATION_REQUIRES_NEW) or operating non-transactionally at the resource level (PROPAGATION_SUPPORTS). In the latter case, the flag will only apply to managed resources within the application, such as a Hibernate Session.
    This just serves as a hint for the actual transaction subsystem; it will not necessarily cause failure of write access attempts. A transaction manager which cannot interpret the read-only hint will not throw an exception when asked for a read-only transaction.
    
    返回:
    
    true if the transaction is to be optimized as read-only (false by default)
  - getName
```
default String getName()
```
    Return the name of this transaction. Can be null.
    This will be used as the transaction name to be shown in a transaction monitor, if applicable (for example, WebLogic's).
    In case of Spring's declarative transactions, the exposed name will be the fully-qualified class name + "." + method name (by default).
    
    返回:
    
    the name of this transaction (null by default}
  - setName
```
void setName(String name)
```
  - getMode
```
default TransactionDefine.MODE getMode()
```
  - setMode
```
void setMode(TransactionDefine.MODE mode)
```

接口 TransactionDefine

嵌套类概要

字段概要

方法概要

字段详细资料

PROPAGATION_REQUIRED

PROPAGATION_SUPPORTS

PROPAGATION_MANDATORY

PROPAGATION_REQUIRES_NEW

PROPAGATION_NOT_SUPPORTED

PROPAGATION_NEVER

PROPAGATION_NESTED

ISOLATION_DEFAULT

ISOLATION_READ_UNCOMMITTED

ISOLATION_READ_COMMITTED

ISOLATION_REPEATABLE_READ

ISOLATION_SERIALIZABLE

TIMEOUT_DEFAULT

方法详细资料

getPropagationBehavior

getPropagationBehaviorName

getIsolationLevel

setTimeout

getTimeout

setReadOnly

isReadOnly

getName

setName

getMode

setMode