[Bps-public-commit] r12374 - in Prophet/branches/luid: lib/Prophet

[sartak at bestpractical.com]

Author: sartak
Date: Fri May 16 05:38:41 2008
New Revision: 12374

Modified:
   Prophet/branches/luid/   (props changed)
   Prophet/branches/luid/lib/Prophet/Replica.pm

Log:
 r55964 at onn:  sartak | 2008-05-16 05:38:33 -0400
 Record->find_uuid_by_luid which just uses the reverse of the uuid->luid mapping


Modified: Prophet/branches/luid/lib/Prophet/Replica.pm
==============================================================================
--- Prophet/branches/luid/lib/Prophet/Replica.pm	(original)
+++ Prophet/branches/luid/lib/Prophet/Replica.pm	Fri May 16 05:38:41 2008
@@ -508,6 +508,20 @@
     return $mapping->{ $args{'uuid'} };
 }
 
+=head2 find_uuid_by_luid { luid => LUID }
+
+Finds the UUID for the given LUID. Returns C<undef> if the LUID is not known.
+
+=cut
+
+sub find_uuid_by_luid {
+    my $self = shift;
+    my %args = validate( @_, { luid => 1 } );
+
+    my $mapping = $self->_read_luid2guid_mappings;
+    return $mapping->{ $args{'luid'} };
+}
+
 sub _create_luid {
     my $self = shift;
     my $map  = shift;
@@ -523,6 +537,13 @@
     Carp::confess "Someone has failed to implement a '_write_guid2luid_mappings' method for their replica type.";
 }
 
+sub _read_luid2guid_mappings {
+    my $self = shift;
+    my $guid2luid = $self->_read_luid2guid_mappings(@_);
+    my %luid2guid = reverse %$guid2luid;
+    return \%luid2guid;
+}
+
 =head2 traverse_changesets { after => SEQUENCE_NO, callback => sub {} }
 
 Walk through each changeset in the replica after SEQUENCE_NO, calling the C<callback> for each one in turn.