CHI::Driver::RawMemory

- NAME
- SYNOPSIS
- DESCRIPTION
- CONSTRUCTOR OPTIONS
- SIZE AWARENESS
- SEE ALSO

# NAME

CHI::Driver::RawMemory - In-process memory cache that stores direct references

# SYNOPSIS

        use CHI;

        my $hash = {};
        my $cache = CHI->new( driver => 'RawMemory', datastore => $hash );

        my $cache = CHI->new( driver => 'RawMemory', global => 1 );

# DESCRIPTION

This is a subclass of CHI::Driver::Memory that stores references to data structures directly instead of serializing / deserializing. This makes the cache faster at getting and setting complex data structures, but unlike most drivers, modifications to the original data structure will affect the data structure stored in the cache, and vica versa. e.g.

        my $cache = CHI->new( driver => 'Memory', global => 1 );
        my $lst = ['foo'];
        $cache->set('key' => $lst);   # serializes $lst before storing
        $cache->get('key');   # returns ['foo']
        $lst->[0] = 'bar';
        $cache->get('key');   # returns ['foo']

        my $cache = CHI->new( driver => 'RawMemory', global => 1 );
        my $lst = ['foo'];
        $cache->set('key' => $lst);   # stores $lst directly
        $cache->get('key');   # returns ['foo']
        $lst->[0] = 'bar';
        $cache->get('key');   # returns ['bar']!

# CONSTRUCTOR OPTIONS

Same as CHI::Driver::Memory.

# SIZE AWARENESS

For the purpose of size-awareness, all items count as size 1 for this driver. (Because data structures are not serialized, there's no good way to determine their size.)

        # Keep a maximum of 10 items in cache
        #
        my $cache = CHI->new( driver => 'RawMemory', datastore => {}, max_size => 10 );

# SEE ALSO

CHI::Driver::Memory, CHI