Package org.apache.derby.iapi.store.raw
Interface Compensation
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- All Superinterfaces:
java.io.Externalizable
,Formatable
,Loggable
,java.io.Serializable
,TypedFormat
- All Known Implementing Classes:
ContainerUndoOperation
,EncryptContainerUndoOperation
,LogicalUndoOperation
,PhysicalUndoOperation
public interface Compensation extends Loggable
A Compensation operation can compensate for the action of a log operation. A Compensation operation itself is not undo-able, i.e., it is loggable but not undoable. A Compensation operation is generated by the logging system when it calls undoable.generateUndo(). GenerateUndo should be the only way a compensation operation can be made.
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Field Summary
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Fields inherited from interface org.apache.derby.iapi.store.raw.Loggable
ABORT, BI_LOG, CHECKSUM, COMMIT, COMPENSATION, FILE_RESOURCE, FIRST, LAST, PREPARE, RAWSTORE, XA_NEEDLOCK
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
setUndoOp(Undoable op)
Set up the undoable operation during recovery redo.-
Methods inherited from interface org.apache.derby.iapi.store.raw.Loggable
doMe, getPreparedLog, group, needsRedo, releaseResource
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Methods inherited from interface org.apache.derby.iapi.services.io.TypedFormat
getTypeFormatId
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Method Detail
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setUndoOp
void setUndoOp(Undoable op)
Set up the undoable operation during recovery redo.- Parameters:
op
- the Undoable operation- See Also:
Loggable.needsRedo(org.apache.derby.iapi.store.raw.Transaction)
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