/ 
AnyEvent-Redis-0.19_01
River stage one • 5 direct dependents • 5 total dependents
/ AnyEvent::Redis

NAME

AnyEvent::Redis - Non-blocking Redis client

SYNOPSIS

use AnyEvent::Redis;

my $redis = AnyEvent::Redis->new(
    host => '127.0.0.1',
    port => 6379,
    on_error => sub { warn @_ },
);

# callback based
$redis->set( 'foo'=> 'bar', sub { warn "SET!" } );
$redis->get( 'foo', sub { my $value = shift } );

my ($key, $value) = ('list_key', 123);
$redis->lpush( $key, $value );
$redis->lpop( $key, sub { my $value = shift });

# condvar based
my $cv = $redis->lpop( $key );
$cv->cb(sub { my $value = $_[0]->recv });

DESCRIPTION

AnyEvent::Redis is a non-blocking Redis client using AnyEvent.

METHODS

All methods supported by your version of Redis should be supported.

Normal commands

There are two alternative approaches for handling results from commands.

  • AnyEvent::CondVar based:

    my $cv = $redis->command(
  # arguments to command
);

$cv->cb(sub {
  my($cv) = @_;
  my($result, $err) = $cv->recv
});

  • Callback:

    $redis->command(
  # arguments,
  sub {
    my($result, $err) = @_;
  });

    (Callback is a wrapper around the $cv approach.)

Subscriptions

The subscription methods (subscribe and psubscribe) must be used with a callback:

my $cv = $redis->subscribe("test", sub {
  my($message, $channel[, $actual_channel]) = @_;
  # ($actual_channel is provided for pattern subscriptions.)
});

The $cv condition will be met on unsubscribing from the channel.

Due to limitations of the Redis protocol the only valid commands on a connection with an active subscription are subscribe and unsubscribe commands.

Common methods

  • get

  • set

  • hset

  • hget

  • lpush

  • lpop

The Redis command reference (http://code.google.com/p/redis/wiki/CommandReference) lists all commands Redis supports.

REQUIREMENTS

This requires Redis >= 1.2.

COPYRIGHT

Tatsuhiko Miyagawa <miyagawa@bulknews.net> 2009-

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHORS

Tatsuhiko Miyagawa

David Leadbeater

Chia-liang Kao

franck cuny

Lee Aylward

Joshua Barratt

Jeremy Zawodn

Leon Brocard

SEE ALSO

Redis, AnyEvent