Patrick Hochstenbach
and 3 contributors

NAME

Catmandu::DirectoryIndex::Number - A natural number based directory translator

SYNOPSIS

    use Catmandu::DirectoryIndex::Number;

    my $p = Catmandu::DirectoryIndex::Number->new(
        base_dir => "/data",
        keysize => 9
    );

    # get mapping for id: { _id => 1234, _path => "/data/000/001/234" }
    # can be undef
    my $mapping = $p->get(1234);

    # create mapping for id. Path created if necessary
    my $mapping = $p->add(1234);

    # Catmandu::DirectoryIndex::Number is a Catmandu::Iterable
    # Returns list of records: [{ _id => "000001234", _path => "/data/000/001/234" }]
    my $mappings = $p->to_array();

METHODS

new( base_dir => $base_dir , keysize => NUM )

Create a new Catmandu::DirectoryIndex::Number with the following configuration parameters:

base_dir

See Catmandu::DirectoryIndex

keysize

By default the directory structure is 3 levels deep. With the keysize option a deeper nesting can be created. The keysize needs to be a multiple of 3.

LIMITATIONS

The keys in this directory can only be natural numbers 0,1,2 ...

INHERITED METHODS

This Catmandu::DirectoryIndex::Number implements:

Catmandu::DirectoryIndex

SEE ALSO

Catmandu::DirectoryIndex