1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
package UR::Namespace::Command::Update::RenameClass;
use strict;
use warnings;
use UR;
our $VERSION = "0.47"; # UR $VERSION;
UR::Object::Type->define(
class_name => __PACKAGE__,
is => "UR::Namespace::Command::Update::RewriteClassHeader",
);
# Standard methods used to output help.
sub shell_args_description {
"My::Old My::New";
}
sub help_description {
"Updates class descriptions for to correspond with database schema changes."
}
# Wrap execute since we take different parameters than a standard
# "runs on modules in tree" rewrite command.
our $old;
our $new;
sub execute {
my $self = shift;
$old = shift;
$new = shift;
$self->error_message("rename $old to $new not implemented");
return;
}
# Override "before" to do the class editing.
sub before {
my $self = shift;
my $class_objects = shift;
# By default, no classes are rewritten.
# As we find classes with the $old name, in their metadata,
# we add them to this list.
$class_objects = [];
print "finding properties which seem to refernce a class\n";
my @p = UR::Object::Property->is_loaded(
property_name => ["class_name","r_class_name","parent_class_name"]
);
print "found " . join("\n",map { $_->class_name . " -> " . $_->property_name } @_) . "\n";
print "checking instances of those properties\n";
my @changes;
for my $p (@p) {
my $class_name = $p->class_name;
my $property_name = $p->property_name;
my @obj = $class_name->is_loaded();
for my $obj (@obj) {
if ($obj->$property_name eq $new) {
Carp::confess("Name $new is already in use on $class_name, "
. $obj->{id}
. $property_name . "!"
);
}
elsif ($obj->$property_name eq $old) {
print "Setting $new in place of $old on $class_name, "
. $obj->{id}
. $property_name . ".\n";
push @changes, [$obj,$property_name,$new];
}
}
}
return 1;
}
# we implement before() but use the default call to
# for_each_class_object() call in UR::Namespace::Command::rewrite
1;
|
