+sub _next_udb {
+ use IndexData::Utils::PersistentCounter;
+
+ my $file = $ENV{IRSPY_COUNTER_FILE}
+ or die "no IRSPY_COUNTER_FILE in environment";
+ my $counter = new IndexData::Utils::PersistentCounter($file)
+ or die "can't open counter file '$file': $!";
+ my $val = $counter->next()
+ or die "can't get counter value from '$file': $!";
+ return "irspy-$val";
+}
+
+
+sub _delete_record {
+ my($conn, $id) = @_;
+
+ # We can't delete records using recordIdOpaque, since character
+ # sets are handled differently here in extended services from how
+ # they are used in the Alvis filter's record-parsing, and so
+ # non-ASCII characters come out differently in the two contexts.
+ # Instead, we must send a record whose contents indicate the ID of
+ # that which we wish to delete. There are two ways, both
+ # unsatisfactory: we could either fetch the actual record them
+ # resubmit it in the deletion request (which wastes a search and a
+ # fetch) or we could build a record by hand from the parsed-out
+ # components (which is error-prone and which I am not 100% certain
+ # will work since the other contents of the record will be
+ # different). The former evil seems to be the lesser.
+
+ warn "$conn deleting record '$id'";
+
+ my $rs = $conn->search(new ZOOM::Query::CQL(cql_target($id)));
+ die "no such ID '$id'" if $rs->size() == 0;
+ my $rec = $rs->record(0);
+ my $xml = $rec->render();
+
+ my $p = $conn->package();
+ $p->option(action => "recordDelete");
+ $p->option(record => $xml);
+ $p->send("update");
+ $p->destroy();
+
+ $p = $conn->package();
+ $p->send("commit");
+ $p->destroy();
+}
+
+