#
# (c) Jan Gehring <jan.gehring@gmail.com>
#
package Rex::Shared::Var::Hash;
use v5.12.5;
use warnings;
use Rex::Shared::Var::Common qw/__lock __store __retrieve/;
our $VERSION = '1.15.0.2'; # TRIAL VERSION
sub TIEHASH {
  my $self = { varname => $_[1], };
  bless $self, $_[0];
}
sub STORE {
  my $self  = shift;
  my $key   = shift;
  my $value = shift;
  return __lock sub {
    my $ref = __retrieve;
    my $ret = $ref->{ $self->{varname} }->{$key} = $value;
    __store $ref;
    return $ret;
  };
}
sub FETCH {
  my $self = shift;
  my $key  = shift;
  return __lock sub {
    my $ref = __retrieve;
    return $ref->{ $self->{varname} }->{$key};
  };
}
sub DELETE {
  my $self = shift;
  my $key  = shift;
  __lock sub {
    my $ref = __retrieve;
    delete $ref->{ $self->{varname} }->{$key};
    __store $ref;
  };
}
sub CLEAR {
  my $self = shift;
  __lock sub {
    my $ref = __retrieve;
    $ref->{ $self->{varname} } = {};
    __store $ref;
  };
}
sub EXISTS {
  my $self = shift;
  my $key  = shift;
  return __lock sub {
    my $ref = __retrieve;
    return exists $ref->{ $self->{varname} }->{$key};
  };
}
sub FIRSTKEY {
  my $self = shift;
  return __lock sub {
    my $ref = __retrieve;
    $self->{__iter__} = $ref->{ $self->{varname} };
    my $temp = keys %{ $self->{__iter__} };
    return scalar each %{ $self->{__iter__} };
  };
}
sub NEXTKEY {
  my $self    = shift;
  my $prevkey = shift;
  return scalar each %{ $self->{__iter__} };
}
1;