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package PICA::Modification::Queue::Hash; |
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{ |
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$PICA::Modification::Queue::Hash::VERSION = '0.16'; |
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} |
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#ABSTRACT: In-memory collection of modifications |
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2933
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use strict; |
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use warnings; |
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use v5.10; |
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use PICA::Modification::Request; |
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use Scalar::Util qw(blessed); |
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sub new { |
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bless [{},0], shift; |
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} |
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sub get { |
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my ($self, $id) = @_; |
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return $self->[0]->{ $id }; |
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} |
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sub request { |
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my ($self, $mod) = @_; |
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return if !$mod->isa('PICA::Modification') or $mod->isa('PICA::Modification::Request'); |
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$mod = PICA::Modification::Request->new( $mod ); |
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return if $mod->error; |
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my $id = ++$self->[1]; |
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$self->[0]->{ $id } = $mod; |
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return $id; |
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} |
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sub update { |
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my ($self, $id => $mod) = @_; |
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$mod = PICA::Modification::Request->new( $mod ); |
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return if $mod->error; |
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$self->[0]->{ $id } = $mod; |
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return $id; |
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} |
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sub delete { |
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my ($self, $id) = @_; |
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return unless defined $self->[0]->{ $id }; |
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delete $self->[0]->{ $id }; |
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$id; |
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} |
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sub list { |
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my ($self, %properties) = @_; |
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my $limit = delete $properties{limit} || 20; |
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my $page = delete $properties{page} || 1; |
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my $sortby = delete $properties{sort}; |
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my $hash = $self->[0]; |
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my $c = 0; |
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my $grep = sub { |
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while (my ($k,$v) = each(%properties)) { |
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return 0 unless $_[0]->{$k} eq $v; |
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} |
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$c++; |
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return 0 if $c > $page*$limit; |
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return 0 if $c <= ($page-1)*$limit; |
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1; |
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}; |
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if ( $sortby ) { |
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my $sort = sub { $a->{$sortby} cmp $b->{$sortby} }; |
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return [ grep { $grep->($_) } sort $sort values %$hash ]; |
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} else { |
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return [ grep { $grep->($_) } values %$hash ]; |
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} |
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} |
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1; |
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__END__ |