Package com.ibm.fhir.persistence.jdbc.connection

Class FHIRUserTransactionAdapter

java.lang.Object

com.ibm.fhir.persistence.jdbc.connection.FHIRUserTransactionAdapter

All Implemented Interfaces:

com.ibm.fhir.persistence.FHIRPersistenceTransaction

public class FHIRUserTransactionAdapter
extends Object
implements com.ibm.fhir.persistence.FHIRPersistenceTransaction

Adapter to simplify transaction handling. This object is returned by FHIRPersistenceJDBCImpl and can be used instead of the old FHIRTransactionHelper

Constructor Summary

Constructors

Constructor	Description
FHIRUserTransactionAdapter(UserTransaction tx, TransactionSynchronizationRegistry syncRegistry, FHIRPersistenceJDBCCache cache, String transactionDataKey)	Public constructor

Method Summary

Modifier and Type	Method	Description
void	begin()	If a transaction has not yet been started on this thread, then start one.
void	end()	If we previously started a transaction on this thread using this helper instance, then commit it now.
(package private) <T> T	func(Supplier<T> s)	Call the supplier function within a begin/end
protected int	getStatus()	Get the Status of the global transaction
boolean	hasBegun()
protected boolean	isActive(int status)	Is there a transaction currently on this thread?
protected boolean	isMarkedForRollback(int status)	Has this transaction been marked for rollback?
protected boolean	isNoTransaction(int status)	Are we in the NO TRANSACTION state?
boolean	isTransactional()
void	setRollbackOnly()

Methods inherited from class java.lang.Object

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

Constructor Detail

FHIRUserTransactionAdapter

public FHIRUserTransactionAdapter(UserTransaction tx,
                                  TransactionSynchronizationRegistry syncRegistry,
                                  FHIRPersistenceJDBCCache cache,
                                  String transactionDataKey)

Public constructor

Parameters:

tx -

Method Detail

begin

public void begin()
           throws com.ibm.fhir.persistence.exception.FHIRPersistenceException

If a transaction has not yet been started on this thread, then start one.

Specified by:

begin in interface com.ibm.fhir.persistence.FHIRPersistenceTransaction

Throws:

com.ibm.fhir.persistence.exception.FHIRPersistenceException

end

public void end()
         throws com.ibm.fhir.persistence.exception.FHIRPersistenceException

If we previously started a transaction on this thread using this helper instance, then commit it now.

Specified by:

end in interface com.ibm.fhir.persistence.FHIRPersistenceTransaction

Throws:

com.ibm.fhir.persistence.exception.FHIRPersistenceException

setRollbackOnly

public void setRollbackOnly()
                     throws com.ibm.fhir.persistence.exception.FHIRPersistenceException

Specified by:

setRollbackOnly in interface com.ibm.fhir.persistence.FHIRPersistenceTransaction

Throws:

com.ibm.fhir.persistence.exception.FHIRPersistenceException

isTransactional

public boolean isTransactional()

Specified by:

isTransactional in interface com.ibm.fhir.persistence.FHIRPersistenceTransaction

isActive

protected boolean isActive(int status)

Is there a transaction currently on this thread?

Returns:

true if a global transaction is active on the current thread

isMarkedForRollback

protected boolean isMarkedForRollback(int status)

Has this transaction been marked for rollback?

Returns:

isNoTransaction

protected boolean isNoTransaction(int status)

Are we in the NO TRANSACTION state?

Parameters:

status -

Returns:

getStatus

protected int getStatus()
                 throws FHIRPersistenceDataAccessException

Get the Status of the global transaction

Returns:

Throws:

FHIRPersistenceDataAccessException

func

<T> T func(Supplier<T> s)
    throws com.ibm.fhir.persistence.exception.FHIRPersistenceException

Call the supplier function within a begin/end

Type Parameters:

T -

Parameters:

s -

Returns:

Throws:

com.ibm.fhir.persistence.exception.FHIRPersistenceException

hasBegun

public boolean hasBegun()
                 throws com.ibm.fhir.persistence.exception.FHIRPersistenceException

Specified by:

hasBegun in interface com.ibm.fhir.persistence.FHIRPersistenceTransaction

Throws:

com.ibm.fhir.persistence.exception.FHIRPersistenceException