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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.transaction.annotation 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.springframework.transaction.annotation.Propagation

Propagation
public enum Propagation (Code)
Enumeration that represents transaction propagation behaviors for use with the JDK 1.5+ transaction annotation, corresponding to the TransactionDefinition interface.
author:
   Colin Sampaleanu
author:
   Juergen Hoeller
since:
   1.2
See Also:   org.springframework.transaction.annotation.Transactional
See Also:   org.springframework.transaction.TransactionDefinition


Field Summary
 Enum ConstantMANDATORY
     Support a current transaction, throw an exception if none exists.
 Enum ConstantNESTED
     Execute within a nested transaction if a current transaction exists, behave like PROPAGATION_REQUIRED else.
 Enum ConstantNEVER
     Execute non-transactionally, throw an exception if a transaction exists.
 Enum ConstantNOT_SUPPORTED
     Execute non-transactionally, suspend the current transaction if one exists. Analogous to EJB transaction attribute of the same name.

Note: Actual transaction suspension will not work on out-of-the-box on all transaction managers.

 Enum ConstantREQUIRED
     Support a current transaction, create a new one if none exists.
 Enum ConstantREQUIRES_NEW
     Create a new transaction, suspend the current transaction if one exists. Analogous to EJB transaction attribute of the same name.

Note: Actual transaction suspension will not work on out-of-the-box on all transaction managers.

 Enum ConstantSUPPORTS
     Support a current transaction, execute non-transactionally if none exists. Analogous to EJB transaction attribute of the same name.

Note: For transaction managers with transaction synchronization, PROPAGATION_SUPPORTS is slightly different from no transaction at all, as it defines a transaction scopp that synchronization will apply for. As a consequence, the same resources (JDBC Connection, Hibernate Session, etc) will be shared for the entire specified scope.


Constructor Summary
 Propagation(int value)
    

Method Summary
public  intvalue()
    

Field Detail
MANDATORY
Enum Constant MANDATORY(Code)
Support a current transaction, throw an exception if none exists. Analogous to EJB transaction attribute of the same name.



NESTED
Enum Constant NESTED(Code)
Execute within a nested transaction if a current transaction exists, behave like PROPAGATION_REQUIRED else. There is no analogous feature in EJB.

Note: Actual creation of a nested transaction will only work on specific transaction managers. Out of the box, this only applies to the JDBC DataSourceTransactionManager when working on a JDBC 3.0 driver. Some JTA providers might support nested transactions as well.
See Also:   org.springframework.jdbc.datasource.DataSourceTransactionManager




NEVER
Enum Constant NEVER(Code)
Execute non-transactionally, throw an exception if a transaction exists. Analogous to EJB transaction attribute of the same name.



NOT_SUPPORTED
Enum Constant NOT_SUPPORTED(Code)
Execute non-transactionally, suspend the current transaction if one exists. Analogous to EJB transaction attribute of the same name.

Note: Actual transaction suspension will not work on out-of-the-box on all transaction managers. This in particular applies to JtaTransactionManager, which requires the javax.transaction.TransactionManager to be made available it to it (which is server-specific in standard J2EE).
See Also:   org.springframework.transaction.jta.JtaTransactionManager.setTransactionManager




REQUIRED
Enum Constant REQUIRED(Code)
Support a current transaction, create a new one if none exists. Analogous to EJB transaction attribute of the same name.

This is the default setting of a transaction annotation.




REQUIRES_NEW
Enum Constant REQUIRES_NEW(Code)
Create a new transaction, suspend the current transaction if one exists. Analogous to EJB transaction attribute of the same name.

Note: Actual transaction suspension will not work on out-of-the-box on all transaction managers. This in particular applies to JtaTransactionManager, which requires the javax.transaction.TransactionManager to be made available it to it (which is server-specific in standard J2EE).
See Also:   org.springframework.transaction.jta.JtaTransactionManager.setTransactionManager




SUPPORTS
Enum Constant SUPPORTS(Code)
Support a current transaction, execute non-transactionally if none exists. Analogous to EJB transaction attribute of the same name.

Note: For transaction managers with transaction synchronization, PROPAGATION_SUPPORTS is slightly different from no transaction at all, as it defines a transaction scopp that synchronization will apply for. As a consequence, the same resources (JDBC Connection, Hibernate Session, etc) will be shared for the entire specified scope. Note that this depends on the actual synchronization configuration of the transaction manager.
See Also:   org.springframework.transaction.support.AbstractPlatformTransactionManager.setTransactionSynchronization





Constructor Detail
Propagation
Propagation(int value)(Code)




Method Detail
value
public int value()(Code)



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