internal package Foswiki::Iterator::MergeEventIterator

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Foswiki::Iterator::MergeEventIterator

Private subclass of Foswiki::Iterator that

• Is passed a array reference of a list of iterator arrays.
• Scans across the list of iterators using snoopNext to find the iterator with the lowest timestamp
• returns true to hasNext if any iterator has any records available.
• returns the record with the lowest timestamp to the next() request.

ObjectMethod hasNext() → $boolean

Scans all the iterators to determine if any of them have a record available.

ObjectMethod next() → \$hash or @array

Snoop all of the iterators to find the lowest timestamp record, and return the field hash, or field array, depending up on the requested API version.