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 as a delta.
|
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.IOExceptionvoid 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.IOExceptionInvalidDeltaException