public interface DeltaCompressor
Modifier and Type | Method and Description |
---|---|
ReadBuffer |
applyDelta(ReadBuffer bufOld, ReadBuffer bufDelta)
Apply a delta to an old value in order to create a new value.
|
ReadBuffer |
extractDelta(ReadBuffer bufOld, ReadBuffer bufNew)
Compare an old value to a new value and generate a delta that represents the changes that must be made to the old value in order to transform it into the new value.
|
ReadBuffer extractDelta(ReadBuffer bufOld, ReadBuffer bufNew)
If the old value is null, the generated delta must be a "replace", meaning that applying it to any value must produce the specified new value.
bufOld
- the old valuebufNew
- the new value; must not be nullReadBuffer applyDelta(ReadBuffer bufOld, ReadBuffer bufDelta)
bufOld
- the old valuebufDelta
- the delta information returned from extractDelta(com.tangosol.io.ReadBuffer, com.tangosol.io.ReadBuffer)
to apply to the old value