3 |
|
# |
4 |
|
# Originally Written by Christopher Williams |
5 |
|
# |
6 |
– |
# Description |
7 |
– |
# |
8 |
– |
# Interface |
9 |
– |
# --------- |
10 |
– |
# new() : A new HashDB object |
11 |
– |
# setdata(data, @keys) : set a data item to the given keys |
12 |
– |
# getdata(@keys) : return all data items that match the given keys |
13 |
– |
# deletedata(@keys) : detete all data items that match the given keys |
14 |
– |
# match(@keys) : return the full DataItem object refs that match keys |
15 |
– |
# items() : return the number of seperate items in the store |
16 |
– |
# store(filename) : dump to file |
17 |
– |
# restore(filename) : restore from file |
18 |
– |
# alias(\@refofkeys,\@aliaskeys) : attatch another set of keys to items that |
19 |
– |
# match the refopfkeys |
20 |
– |
# note that these are references to the arrays |
21 |
– |
# unalias(@aliaskeys) :remove an alias |
6 |
|
|
7 |
+ |
=head1 NAME |
8 |
+ |
|
9 |
+ |
Utilities::HashDB - A type of database object. |
10 |
+ |
|
11 |
+ |
=head1 SYNOPSIS |
12 |
+ |
|
13 |
+ |
my $obj = Utilities::HashDB->new(); |
14 |
+ |
|
15 |
+ |
=head1 METHODS |
16 |
+ |
|
17 |
+ |
=over |
18 |
+ |
|
19 |
+ |
=cut |
20 |
+ |
|
21 |
+ |
=item C<new()> |
22 |
+ |
|
23 |
+ |
Create a new HashDB object. |
24 |
+ |
|
25 |
+ |
=item C<setdata(data, @keys)> |
26 |
+ |
|
27 |
+ |
set a data item to the given keys. |
28 |
+ |
|
29 |
+ |
=item C<getdata(@keys)> |
30 |
+ |
|
31 |
+ |
return all data items that match the given keys. |
32 |
+ |
|
33 |
+ |
=item C<deletedata(@keys)> |
34 |
+ |
|
35 |
+ |
detete all data items that match the given keys. |
36 |
+ |
|
37 |
+ |
=item C<match(@keys)> |
38 |
+ |
|
39 |
+ |
return the full DataItem object refs that match keys. |
40 |
+ |
|
41 |
+ |
=item C<items()> |
42 |
+ |
|
43 |
+ |
return the number of seperate items in the store. |
44 |
+ |
|
45 |
+ |
=item C<store(filename)> |
46 |
+ |
|
47 |
+ |
dump to file. |
48 |
+ |
|
49 |
+ |
=item C<restore(filename)> |
50 |
+ |
|
51 |
+ |
restore from file. |
52 |
+ |
|
53 |
+ |
=item C<alias(\@refofkeys,\@aliaskeys)> |
54 |
+ |
|
55 |
+ |
attatch another set of keys to items that |
56 |
+ |
match the refopfkeys (note that these are |
57 |
+ |
references to the arrays). |
58 |
+ |
|
59 |
+ |
=item unalias(@aliaskeys) |
60 |
+ |
|
61 |
+ |
remove an alias. |
62 |
+ |
|
63 |
+ |
=back |
64 |
+ |
|
65 |
+ |
=head1 AUTHOR |
66 |
+ |
|
67 |
+ |
Originally Written by Christopher Williams. |
68 |
+ |
|
69 |
+ |
=head1 MAINTAINER |
70 |
+ |
|
71 |
+ |
Shaun ASHBY L<mailTo:Shaun.Ashby@cern.ch> |
72 |
+ |
|
73 |
+ |
=cut |
74 |
+ |
|
75 |
|
package Utilities::HashDB; |
76 |
|
use Utilities::DataItem; |
77 |
|
use FileHandle; |