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Manual Reference Pages  -  DBM::DEEP::ITERATOR::FILE::BUCKETLIST (3)

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NAME

DBM::Deep::Iterator::BucketList - mediate between DBM::Deep::Iterator and DBM::Deep::Engine::Sector::BucketList

CONTENTS

PURPOSE

This is an internal-use-only object for DBM::Deep. It acts as the mediator between the DBM::Deep::Iterator object and a DBM::Deep::Engine::Sector::BucketList sector.

OVERVIEW

This object, despite the implied class hierarchy, does <B>NOTB> inherit from DBM::Deep::Iterator. Instead, it delegates to it, essentially acting as a facade over it. get_next_key in DBM::Deep::Iterator will instantiate one of these objects as needed to handle an BucketList sector.

METHODS

    new(\%params)

The constructor takes a hashref of params and blesses it into the invoking class. The hashref is assumed to have the following elements:
o iterator (of type DBM::Deep::Iterator
o sector (of type DBM::Deep::Engine::Sector::BucketList

at_end()

This takes no arguments.

This returns true/false indicating whether this sector has any more elements that can be iterated over.

get_next_iterator()

This takes no arguments.

This returns the next key pointed to by this bucketlist. This value is suitable for returning by FIRSTKEY or NEXTKEY().

If the bucketlist is exhausted, it returns nothing.

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perl v5.20.3 DBM::DEEP::ITERATOR::FILE::BUCKETLIST (3) 2014-01-13

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