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package Redis::Fast::Hash; |
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# ABSTRACT: tie Perl hashes to Redis hashes |
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# VERSION |
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# AUTHORITY |
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use strict; |
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use warnings; |
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require Tie::Hash; |
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require Redis::Fast; |
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our @ISA = qw(Redis::Fast Tie::StdHash); |
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sub TIEHASH { |
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my ($class, $prefix, @rest) = @_; |
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my $self = $class->new(@rest); |
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$self->__set_data({}); |
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$self->__get_data->{prefix} = $prefix ? "$prefix:" : ''; |
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return $self; |
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} |
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sub STORE { |
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my ($self, $key, $value) = @_; |
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$self->set($self->__get_data->{prefix} . $key, $value); |
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} |
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sub FETCH { |
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my ($self, $key) = @_; |
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$self->get($self->__get_data->{prefix} . $key); |
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} |
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sub FIRSTKEY { |
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my $self = shift; |
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$self->__get_data->{prefix_keys} = [$self->keys($self->__get_data->{prefix} . '*')]; |
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$self->NEXTKEY; |
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} |
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sub NEXTKEY { |
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my $self = shift; |
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my $key = shift @{ $self->__get_data->{prefix_keys} }; |
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return unless defined $key; |
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my $p = $self->__get_data->{prefix}; |
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$key =~ s/^$p// if $p; |
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return $key; |
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} |
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sub EXISTS { |
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my ($self, $key) = @_; |
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$self->exists($self->__get_data->{prefix} . $key); |
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} |
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sub DELETE { |
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my ($self, $key) = @_; |
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$self->del($self->__get_data->{prefix} . $key); |
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} |
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sub CLEAR { |
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my ($self) = @_; |
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$self->del($_) for $self->keys($self->__get_data->{prefix} . '*'); |
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$self->__get_data->{prefix_keys} = []; |
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} |
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1; ## End of Redis::Fast::Hash |
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=head1 NAME |
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Redis::Fast::Hash - tie Perl hashes to Redis hashes |
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=head1 SYNOPSYS |
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## Create fake hash using keys like 'hash_prefix:KEY' |
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tie %my_hash, 'Redis::Fast::Hash', 'hash_prefix', @Redis_new_parameters; |
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## Treat the entire Redis database as a hash |
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tie %my_hash, 'Redis::Fast::Hash', undef, @Redis_new_parameters; |
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$value = $my_hash{$key}; |
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$my_hash{$key} = $value; |
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@keys = keys %my_hash; |
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@values = values %my_hash; |
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%my_hash = reverse %my_hash; |
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%my_hash = (); |
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=head1 DESCRIPTION |
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Ties a Perl hash to Redis::Fast. Note that it doesn't use Redis Hashes, but |
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implements a fake hash using regular keys like "prefix:KEY". |
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If no C is given, it will tie the entire Redis database as a hash. |
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Future versions will also allow you to use real Redis hash structures. |
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=cut |