Bio::Map::EntityI - An Entity Interface
# do not use this module directly
This interface describes the basic methods required for entities. An Entity is a
kind of Bio::Map object that holds instance-specific data but relies on
registering itself with a PositionHandler to handle its relationships with
other entities. These relationships between objects are based around shared
Positions, so Bio::Map::PositionI objects are a special kind of EntityI, along
with Bio::Map::MappableI and Bio::Map::MapI objects.
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The rest of the documentation details each of the object methods. Internal
methods are usually preceded with a _
Title : get_position_handler
Usage : my $position_handler = $entity->get_position_handler();
Function: Gets a PositionHandlerI that $entity is registered with.
Returns : Bio::Map::PositionHandlerI object
Args : none
Any methods related to interation with other entities should be implemented
as a call to the PositionHandler