public interface TrackingToken
Modifier and Type | Method and Description |
---|---|
boolean |
covers(TrackingToken other)
Indicates whether this token covers the
other token completely. |
TrackingToken |
lowerBound(TrackingToken other)
Returns a token that represents the lower bound between this and the
other token. |
TrackingToken |
upperBound(TrackingToken other)
Returns the token that represents the furthest possible position in a stream that either this token or the given
other represents. |
TrackingToken lowerBound(TrackingToken other)
other
token. Effectively, the
returned token will cause messages not received by both this and the other
token to be redelivered.other
- The token to compare to this oneTrackingToken upperBound(TrackingToken other)
other
represents. Effectively, this means this token will only deliver messages that neither this, nor
the other have been received.other
- The token to compare this token toboolean covers(TrackingToken other)
other
token completely. That means that this token represents a
position in a stream that has received all of the messages that a stream represented by the other
token
has received.
Note that this operation is only safe when comparing tokens obtained from messages from the same
StreamableMessageSource
.
other
- The token to compare to this onetrue
if this token covers the other, otherwise false
Copyright © 2010–2019. All rights reserved.