public interface Delta
DataOutput
and DataInput
parameters.Modifier and Type | Method and Description |
---|---|
void |
fromDelta(DataInput in)
This method is invoked on an existing application object when an update is
received as a delta.
|
boolean |
hasDelta()
Returns true if this object has pending changes it can write out.
|
void |
toDelta(DataOutput out)
This method is invoked on an application object at the delta sender, if
GemFire determines the presence of a delta by calling
hasDelta() on the object. |
boolean hasDelta()
void toDelta(DataOutput out) throws IOException
hasDelta()
on the object. The delta is written to the
DataOutput
object provided by GemFire.
Any delta state should be reset in this method.IOException
void fromDelta(DataInput in) throws IOException, InvalidDeltaException
InvalidDeltaException
when the delta in the DataInput
cannot be applied to the object.
GemFire automatically handles an InvalidDeltaException
by
reattempting the update by sending the full application object.IOException
InvalidDeltaException
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