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package Cassandra::Client::Policy::Queue::Default;
our $AUTHORITY = 'cpan:TVDW';
$Cassandra::Client::Policy::Queue::Default::VERSION = '0.21';
use 5.010;
use strict;
use warnings;
sub new {
my ($class, %args)= @_;
my $max_entries= $args{max_entries} || 0; # Default: never overflow
return bless {
max_entries => 0+ $max_entries,
has_any => 0, # We're using this as a count.
queue => [],
}, $class;
}
sub enqueue {
my ($self, $item)= @_;
if ($self->{max_entries} && $self->{has_any} >= $self->{max_entries}) {
return "command queue full: $self->{has_any} entries";
}
push @{$self->{queue}}, $item;
$self->{has_any}++;
return;
}
sub dequeue {
my ($self)= @_;
my $item= shift @{$self->{queue}};
$self->{has_any}= 0+@{$self->{queue}};
return $item;
}
1;
__END__
=pod
=head1 NAME
Cassandra::Client::Policy::Queue::Default
=head1 VERSION
version 0.21
=head1 AUTHOR
Tom van der Woerdt <tvdw@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2023 by Tom van der Woerdt.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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