com.atomikos.persistence.imp
Class VolatileStateRecoveryManager

java.lang.Object
  com.atomikos.persistence.imp.VolatileStateRecoveryManager

All Implemented Interfaces:

FSMPreEnterListener<TxState>, StateRecoveryManager, EventListener

public class VolatileStateRecoveryManager
extends Object
implements StateRecoveryManager, FSMPreEnterListener<TxState>

A volatile recovery manager (one that doesn't support persistent logging and hence doesn't allow recovery after a crash or restart).

Constructor Summary

VolatileStateRecoveryManager()

Method Summary

void	close() Shutdown.
void	delete(Object id) Deletes a given image from the underlying logs.
void	init(Properties properties) Initialize the recovery mgr before calling the other methods.
void	preEnter(FSMEnterEvent<TxState> event)
Vector<StateRecoverable<TxState>>	recover() Recover all recorded recoverable instances in their latest state.
StateRecoverable<TxState>	recover(Object id) Reconstruct an instance of a staterecoverable.
void	register(StateRecoverable<TxState> staterecoverable) Register a staterecoverable with the recovery manager service.

Methods inherited from class java.lang.Object

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

Constructor Detail

VolatileStateRecoveryManager

public VolatileStateRecoveryManager()

Method Detail

register

public void register(StateRecoverable<TxState> staterecoverable)

Description copied from interface: StateRecoveryManager

Register a staterecoverable with the recovery manager service.

Specified by:

register in interface StateRecoveryManager

Parameters:

staterecoverable - The object that wants recoverable states.

See Also:

StateRecoveryManager

preEnter

public void preEnter(FSMEnterEvent<TxState> event)
              throws IllegalStateException

Specified by:

preEnter in interface FSMPreEnterListener<TxState>

Throws:

IllegalStateException

See Also:

FSMPreEnterListener

close

public void close()
           throws LogException

Description copied from interface: StateRecoveryManager

Shutdown.

Specified by:

close in interface StateRecoveryManager

Throws:

LogException - For underlying log failure.

See Also:

StateRecoveryManager

recover

public StateRecoverable<TxState> recover(Object id)
                                  throws LogException

Description copied from interface: StateRecoveryManager

Reconstruct an instance of a staterecoverable.

Specified by:

recover in interface StateRecoveryManager

Returns:

StateRecoverable The instance, or null if not found.

Throws:

LogException - If underlying object log fails.

See Also:

StateRecoveryManager

recover

public Vector<StateRecoverable<TxState>> recover()
                                          throws LogException

Description copied from interface: StateRecoveryManager

Recover all recorded recoverable instances in their latest state.

Specified by:

recover in interface StateRecoveryManager

Returns:

Vector A vector of reconstructed StateRecoverables.

Throws:

LogException - If the log fails.

See Also:

StateRecoveryManager

delete

public void delete(Object id)
            throws LogException

Description copied from interface: StateRecoveryManager

Deletes a given image from the underlying logs.

Specified by:

delete in interface StateRecoveryManager

Parameters:

id - The id of the image to delete.

Throws:

LogException - On failure.

See Also:

StateRecoveryManager

init

public void init(Properties properties)
          throws LogException

Description copied from interface: StateRecoveryManager

Initialize the recovery mgr before calling the other methods.

Specified by:

init in interface StateRecoveryManager

Throws:

LogException - If the underlying log fails.