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package Mojo::Cache; |
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use Mojo::Base -base; |
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has 'max_keys' => 100; |
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sub get { (shift->{cache} || {})->{shift()} }
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sub set {
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my ($self, $key, $value) = @_; |
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my $cache = $self->{cache} ||= {};
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my $queue = $self->{queue} ||= [];
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delete $cache->{shift @$queue} if @$queue >= $self->max_keys;
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push @$queue, $key unless exists $cache->{$key};
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$cache->{$key} = $value;
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return $self; |
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} |
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1; |
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=encoding utf8 |
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=head1 NAME |
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Mojo::Cache - Naive in-memory cache |
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=head1 SYNOPSIS |
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use Mojo::Cache; |
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my $cache = Mojo::Cache->new(max_keys => 50); |
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$cache->set(foo => 'bar'); |
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my $foo = $cache->get('foo');
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=head1 DESCRIPTION |
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L<Mojo::Cache> is a naive in-memory cache with size limits. |
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=head1 ATTRIBUTES |
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L<Mojo::Cache> implements the following attributes. |
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=head2 max_keys |
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my $max = $cache->max_keys; |
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$cache = $cache->max_keys(50); |
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Maximum number of cache keys, defaults to C<100>. |
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=head1 METHODS |
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L<Mojo::Cache> inherits all methods from L<Mojo::Base> and implements the |
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following new ones. |
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=head2 get |
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my $value = $cache->get('foo');
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Get cached value. |
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=head2 set |
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$cache = $cache->set(foo => 'bar'); |
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Set cached value. |
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=head1 SEE ALSO |
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L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicio.us>. |
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=cut |