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use Modern::Perl;
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use base qw(Class::Accessor); |
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use base qw(Class::Accessor); |
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our %L1_cache; |
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our %L1_cache; |
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our $singleton_cache; |
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our $singleton_cache; |
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=head2 get_instance |
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This gets a shared instance of the lite cache, set up in a very default |
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way. The lite cache is an in memory only cache that's automatically flushed |
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for every request. |
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=cut |
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sub get_instance { |
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sub get_instance { |
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my ($class) = @_; |
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my ($class) = @_; |
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$singleton_cache = $class->new() unless $singleton_cache; |
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$singleton_cache = $class->new() unless $singleton_cache; |
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return $singleton_cache; |
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return $singleton_cache; |
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} |
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} |
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=head2 get_from_cache |
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my $value = $cache->get_from_cache($key); |
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Retrieve the value stored under the specified key in the cache. |
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The retrieved value is a direct reference so should not be modified. |
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=cut |
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sub get_from_cache { |
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sub get_from_cache { |
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my ( $self, $key ) = @_; |
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my ( $self, $key ) = @_; |
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return $L1_cache{$key}; |
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return $L1_cache{$key}; |
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} |
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} |
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=head2 set_in_cache |
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$cache->set_in_cache($key, $value); |
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Save a value to the specified key in the cache. |
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=cut |
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sub set_in_cache { |
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sub set_in_cache { |
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my ( $self, $key, $value ) = @_; |
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my ( $self, $key, $value ) = @_; |
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$L1_cache{$key} = $value; |
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$L1_cache{$key} = $value; |
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} |
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} |
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=head2 clear_from_cache |
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$cache->clear_from_cache($key); |
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Remove the value identified by the specified key from the lite cache. |
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=cut |
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sub clear_from_cache { |
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sub clear_from_cache { |
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my ( $self, $key ) = @_; |
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my ( $self, $key ) = @_; |
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delete $L1_cache{$key}; |
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delete $L1_cache{$key}; |
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} |
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} |
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=head2 all_keys |
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my @keys = $cache->all_keys(); |
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Returns an array of all keys currently in the lite cache. |
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=cut |
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sub all_keys { |
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sub all_keys { |
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my ( $self ) = @_; |
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my ( $self ) = @_; |
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return keys %L1_cache; |
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return keys %L1_cache; |
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} |
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} |
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=head2 flush |
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$cache->flush(); |
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Clear the entire lite cache. |
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=cut |
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sub flush { |
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sub flush { |
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my ( $self ) = @_; |
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my ( $self ) = @_; |
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%L1_cache = (); |
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%L1_cache = (); |
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