2 |
## $Id$ |
## $Id$ |
3 |
## -------------------------------------------------------------------------------- |
## -------------------------------------------------------------------------------- |
4 |
## $Log$ |
## $Log$ |
5 |
|
## Revision 1.4 2003/03/27 15:17:07 joko |
6 |
|
## namespace fixes for Data::Mungle::* |
7 |
|
## |
8 |
|
## Revision 1.3 2003/02/21 01:49:24 joko |
9 |
|
## renamed core function |
10 |
|
## |
11 |
|
## Revision 1.2 2003/02/14 12:54:30 joko |
12 |
|
## + established first code here |
13 |
|
## |
14 |
## Revision 1.1 2003/01/19 03:27:33 joko |
## Revision 1.1 2003/01/19 03:27:33 joko |
15 |
## + initial check-in |
## + initial check-in |
16 |
## |
## |
17 |
## -------------------------------------------------------------------------------- |
## -------------------------------------------------------------------------------- |
18 |
|
|
19 |
|
|
20 |
package Data::Transform::Map; |
package Data::Mungle::Transform::Map; |
21 |
|
|
22 |
use strict; |
use strict; |
23 |
use warnings; |
use warnings; |
25 |
use base 'DesignPattern::Object'; |
use base 'DesignPattern::Object'; |
26 |
|
|
27 |
|
|
28 |
|
use Data::Dumper; |
29 |
|
use XML::Simple; |
30 |
|
use Data::Mungle::Transform::Encode qw( utf8_to_latin ); |
31 |
|
use Data::Mungle::Compare::Struct qw( getRelations getDifference ); |
32 |
|
use Data::Mungle::Transform::Deep qw( deep_copy ); |
33 |
|
|
34 |
|
|
35 |
|
sub _init { |
36 |
|
my $self = shift; |
37 |
|
} |
38 |
|
|
39 |
|
sub _touch { |
40 |
|
my $self = shift; |
41 |
|
if (!$self->{__meta}->{touched}++) { |
42 |
|
$self->_readSelectDb(); |
43 |
|
} |
44 |
|
} |
45 |
|
|
46 |
|
sub _readSelectDb { |
47 |
|
my $self = shift; |
48 |
|
my $data = XMLin($self->{filename}); |
49 |
|
utf8_to_latin($data); |
50 |
|
$self->{db} = $data; |
51 |
|
} |
52 |
|
|
53 |
|
sub getKeys { |
54 |
|
my $self = shift; |
55 |
|
my $source_key = shift; |
56 |
|
my $source_type = shift; |
57 |
|
|
58 |
|
$self->_touch(); |
59 |
|
|
60 |
|
my $selection = $self->{db}->{source}->{$source_key}->{select} if $source_key; |
61 |
|
if ($selection) { |
62 |
|
my @selections = keys %$selection; |
63 |
|
|
64 |
|
# TODO: filter @selections by $source_type |
65 |
|
|
66 |
|
return @selections; |
67 |
|
} |
68 |
|
} |
69 |
|
|
70 |
|
sub applyKeyFilter { |
71 |
|
|
72 |
|
my $self = shift; |
73 |
|
my $filterlist = shift; |
74 |
|
|
75 |
|
my $data = deep_copy($self->{payload}); |
76 |
|
|
77 |
|
# calculate intersection |
78 |
|
my @list = keys %{$data}; |
79 |
|
my $diff = getDifference(\@list, $filterlist); |
80 |
|
|
81 |
|
# populate new (filtered) result just using intersected elements |
82 |
|
my $result; |
83 |
|
foreach my $elem (@{$diff}) { |
84 |
|
#$result->{$elem} = $memory->{sports}->{$elem}; |
85 |
|
delete $data->{$elem}; |
86 |
|
} |
87 |
|
|
88 |
|
return $data; |
89 |
|
|
90 |
|
} |
91 |
|
|
92 |
1; |
1; |
93 |
|
__END__ |