com.atomikos.persistence.imp
Class SystemLogImage

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

All Implemented Interfaces:

DataSerializable, Recoverable, Identifiable, Externalizable, Serializable

public class SystemLogImage
extends Object
implements Recoverable, Externalizable, DataSerializable

See Also:

Serialized Form

Field Summary

protected boolean	forgettable_
protected Recoverable	recoverable_

Constructor Summary

SystemLogImage()

SystemLogImage(Recoverable recoverable, boolean forgettable)

Method Summary

Object	getId()
ObjectImage	getObjectImage() Get the recoverable.
Recoverable	getRecoverable()
boolean	isForgettable() Test if an image is forgettable.
void	readData(DataInput in)
void	readExternal(ObjectInput in)
void	writeData(DataOutput out)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

recoverable_

protected Recoverable recoverable_

forgettable_

protected boolean forgettable_

Constructor Detail

SystemLogImage

public SystemLogImage()

SystemLogImage

public SystemLogImage(Recoverable recoverable,
                      boolean forgettable)

Method Detail

getId

public Object getId()

Specified by:

getId in interface Identifiable

isForgettable

public boolean isForgettable()

Test if an image is forgettable. Needed in case of sequential logs, to write a termination image long after an image was flushed.

getObjectImage

public ObjectImage getObjectImage()

Get the recoverable. Needed to return the right implementation class to the client!

Specified by:

getObjectImage in interface Recoverable

Returns:

Recoverable The wrapped recoverable.

getRecoverable

public Recoverable getRecoverable()

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

writeData

public void writeData(DataOutput out)
               throws IOException

Specified by:

writeData in interface DataSerializable

Throws:

IOException

readData

public void readData(DataInput in)
              throws IOException

Specified by:

readData in interface DataSerializable

Throws:

IOException