Returns an iterator for elements in the list.
the iterator for elements in the list.
Gets the item at the given index.
the found item or undefined if the index is out of bounds
Returns the sequence of the item following the last read item. This sequence can then be used to read items following the ones returned by this result set.
Usually this sequence is equal to the sequence used to retrieve this result set incremented by the getReadCount. In cases when the reader tolerates lost items, this is not the case.
For instance, if the reader requests an item with a stale sequence (one which has already been overwritten), the read will jump to the oldest sequence and read from there.
Similarly, if the reader requests an item in the future (e.g. because
the partition was lost, and the reader was unaware of this), the read
method will jump back to the newest available sequence.
Because of these jumps and only in the case when the reader is loss
tolerant, the next sequence must be retrieved using this method.
A return value of SEQUENCE_UNAVAILABLE (-1) means that the
information is not available.
the sequence of the item following the last item in the result set
Returns the number of items that have been read before filtering.
If no filter is set, then the readCount will be equal to size.
However, if a filter is applied, it could be that items are read, but are
filtered out. So if you are trying to make another read based on the
ReadResultSet then you should increment the sequence by readCount and
not by size. Otherwise, you will be re-reading the same filtered messages.
the number of items read (including the filtered ones).
Returns the sequence number for the item at the given index.
the sequence number for the ringbuffer item
or undefined if the index is out of bounds.
Returns the result set size.
the result set size
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Defines the result of a Ringbuffer.readMany operation.