1 |
## $Id: StorageInterface.pm,v 1.7 2003/03/27 15:31:16 joko Exp $ |
2 |
## |
3 |
## Copyright (c) 2002 Andreas Motl <andreas.motl@ilo.de> |
4 |
## |
5 |
## See COPYRIGHT section in pod text below for usage and distribution rights. |
6 |
## |
7 |
## ---------------------------------------------------------------------------------------- |
8 |
## $Log: StorageInterface.pm,v $ |
9 |
## Revision 1.7 2003/03/27 15:31:16 joko |
10 |
## fixes to modules regarding new namespace(s) below Data::Mungle::* |
11 |
## |
12 |
## Revision 1.6 2003/02/21 01:47:53 joko |
13 |
## renamed core function |
14 |
## |
15 |
## Revision 1.5 2003/02/20 20:24:33 joko |
16 |
## + additional pre-flight checks |
17 |
## |
18 |
## Revision 1.4 2003/02/14 14:14:38 joko |
19 |
## + new code refactored here |
20 |
## |
21 |
## Revision 1.3 2003/02/11 07:54:55 joko |
22 |
## + modified module usage |
23 |
## + debugging trials |
24 |
## |
25 |
## Revision 1.2 2003/02/09 05:05:58 joko |
26 |
## + major structure changes |
27 |
## - refactored code to sister modules |
28 |
## + refactored code to this place |
29 |
## |
30 |
## Revision 1.1 2003/01/20 16:58:46 joko |
31 |
## + initial check-in: here they are.... |
32 |
## |
33 |
## Revision 1.1 2003/01/19 01:23:04 joko |
34 |
## + new from Data/Transfer/Sync.pm |
35 |
## |
36 |
## ---------------------------------------------------------------------------------------- |
37 |
|
38 |
|
39 |
package Data::Transfer::Sync::StorageInterface; |
40 |
|
41 |
use strict; |
42 |
use warnings; |
43 |
|
44 |
use mixin::with qw( Data::Transfer::Sync ); |
45 |
|
46 |
|
47 |
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - main |
48 |
|
49 |
use Data::Dumper; |
50 |
use Hash::Merge qw( merge ); |
51 |
use shortcuts::db qw( hash2sql ); |
52 |
use Data::Mungle::Transform::Deep qw( merge_to ); |
53 |
|
54 |
|
55 |
# get logger instance |
56 |
my $logger = Log::Dispatch::Config->instance; |
57 |
|
58 |
# this is a shortcut method |
59 |
# ... let's try to avoid _any_ redundant code in here (ok... - at the cost of method lookups...) |
60 |
sub _getNodeList { |
61 |
my $self = shift; |
62 |
my $descent = shift; |
63 |
my $filter = shift; |
64 |
$logger->debug( __PACKAGE__ . "->_getNodeList( descent=$descent, accessorName=$self->{meta}->{$descent}->{accessorName} )" ); |
65 |
#$results ||= $self->{source}->getListUnfiltered($self->{meta}->{source}->{node}); |
66 |
#$results ||= $self->{meta}->{source}->{storage}->getListUnfiltered($self->{meta}->{source}->{node}); |
67 |
my $list = $self->{meta}->{$descent}->{storage}->getListFiltered($self->{meta}->{$descent}->{accessorName}, $filter); |
68 |
#print Dumper($list); |
69 |
return $list; |
70 |
} |
71 |
|
72 |
sub _resolveNodeIdent { |
73 |
my $self = shift; |
74 |
my $descent = shift; |
75 |
|
76 |
# trace |
77 |
#print Dumper($self->{node}->{$descent}); |
78 |
#print Dumper($self); |
79 |
#exit; |
80 |
|
81 |
$logger->debug( __PACKAGE__ . "->_resolveNodeIdent( descent=$descent, accessorName=$self->{meta}->{$descent}->{accessorName} )" ); |
82 |
|
83 |
# get to the payload |
84 |
#my $item = $specifier->{item}; |
85 |
my $payload = $self->{node}->{$descent}->{payload}; |
86 |
|
87 |
# resolve method to get to the id of the given item |
88 |
# we use global metadata and the given descent for this task |
89 |
#my $ident = $self->{$descent}->id($item); |
90 |
#my $ident = $self->{meta}->{$descent}->{storage}->id($item); |
91 |
|
92 |
# trace |
93 |
#print Dumper($self->{meta}->{$descent}); |
94 |
#exit; |
95 |
|
96 |
my $ident; |
97 |
my $provider_method = $self->{meta}->{$descent}->{IdentProvider}->{method}; |
98 |
my $provider_arg = $self->{meta}->{$descent}->{IdentProvider}->{arg}; |
99 |
|
100 |
# trace |
101 |
#print "provider_method: $provider_method", "\n"; |
102 |
#print "provider_arg: $provider_arg", "\n"; |
103 |
#print Dumper($payload); |
104 |
|
105 |
# resolve to ident |
106 |
if (lc $provider_method eq 'property') { |
107 |
$ident = $payload->{$provider_arg}; |
108 |
|
109 |
} elsif (lc $provider_method eq 'storage_method') { |
110 |
#$ident = $self->{meta}->{$descent}->{storage}->id($item); |
111 |
$ident = $self->{meta}->{$descent}->{storage}->$provider_arg($payload); |
112 |
|
113 |
} elsif (lc $provider_method eq 'code') { |
114 |
$ident = 'ac'; |
115 |
|
116 |
} |
117 |
|
118 |
$self->{node}->{$descent}->{ident} = $ident; |
119 |
|
120 |
return 1 if $ident; |
121 |
|
122 |
} |
123 |
|
124 |
# TODO: |
125 |
# this should be split up into... |
126 |
# - a "_statNode" (should just touch the node to check for existance) |
127 |
# - a "_loadNode" (should load node completely) |
128 |
# - maybe additionally a "loadNodeProperty" (may specify properties to load) |
129 |
# - introduce $self->{nodecache} for this purpose |
130 |
# TODO: |
131 |
# should we: |
132 |
# - not pass ident in here but resolve it via "$descent"? |
133 |
# - refactor this and stuff it with additional debug/error message |
134 |
# - this = the way the implicit load mechanism works |
135 |
sub _statloadNode { |
136 |
|
137 |
my $self = shift; |
138 |
my $descent = shift; |
139 |
my $ident = shift; |
140 |
my $force = shift; |
141 |
|
142 |
=pod |
143 |
#print "isa: ", UNIVERSAL::isa($self->{meta}->{$descent}->{storage}), "\n"; |
144 |
|
145 |
# this seems to be the first time we access this side, |
146 |
# so just check (again) for a valid storage handle |
147 |
if (! ref $self->{meta}->{$descent}->{storage}) { |
148 |
$logger->critical( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident ): Storage handle undefined!" ); |
149 |
return; |
150 |
} |
151 |
=cut |
152 |
|
153 |
#$logger->debug( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident )" ); |
154 |
|
155 |
# fetch entry to retrieve checksum from |
156 |
# was: |
157 |
if (!$self->{node}->{$descent} || $force) { |
158 |
# is: |
159 |
#if (!$self->{node}->{$descent}->{item} || $force) { |
160 |
|
161 |
if (!$ident) { |
162 |
#print "\n", "Attempt to fetch entry implicitely by ident failed: no ident given! This may result in an insert if no write-protection is in the way.", "\n"; |
163 |
return; |
164 |
} |
165 |
|
166 |
# patch for DBD::CSV |
167 |
if ($ident && $ident eq 'Null') { |
168 |
return; |
169 |
} |
170 |
|
171 |
#print Dumper($self->{meta}); |
172 |
|
173 |
my $query = { |
174 |
node => $self->{meta}->{$descent}->{accessorName}, |
175 |
subnodes => [qw( cs )], |
176 |
criterias => [ |
177 |
{ key => $self->{meta}->{$descent}->{IdentProvider}->{arg}, |
178 |
op => 'eq', |
179 |
val => $ident }, |
180 |
] |
181 |
}; |
182 |
|
183 |
# send query and fetch first entry from result |
184 |
my $result = $self->{meta}->{$descent}->{storage}->sendQuery($query); |
185 |
my $entry = $result->getNextEntry(); |
186 |
|
187 |
# trace |
188 |
#print Dumper($entry); |
189 |
#print "pers: " . $self->{meta}->{$descent}->{storage}->is_persistent($entry), "\n"; |
190 |
#my $state = $self->{meta}->{$descent}->{storage}->_fetch_object_state($entry, { name => 'TransactionHop' } ); |
191 |
#print Dumper($state); |
192 |
|
193 |
# be informed about the status of the query |
194 |
my $status = $result->getStatus(); |
195 |
|
196 |
#print Dumper($status); |
197 |
|
198 |
# TODO: enhance error handling (store inside tc) |
199 |
#if (!$row) { |
200 |
# print "\n", "row error", "\n"; |
201 |
# next; |
202 |
#} |
203 |
|
204 |
# these checks run before actually loading payload- and meta-data to node-container |
205 |
|
206 |
# 1st level - hard error |
207 |
if ($status && $status->{err}) { |
208 |
$logger->debug( __PACKAGE__ . "->_statloadNode (ident=\"$ident\") failed - hard error (that's ok): $status->{err}" ); |
209 |
return; |
210 |
} |
211 |
|
212 |
# 2nd level - logical (empty/notfound) error |
213 |
if (($status && $status->{empty}) || !$entry) { |
214 |
$logger->debug( __PACKAGE__ . "->_statloadNode (ident=\"$ident\") failed - logical error (that's ok)" ); |
215 |
#print "no entry (logical)", "\n"; |
216 |
return; |
217 |
} |
218 |
|
219 |
#print Dumper($entry); |
220 |
|
221 |
# was: |
222 |
# $self->{node}->{$descent}->{ident} = $ident; |
223 |
# is: |
224 |
# TODO: re-resolve ident from entry via metadata "IdentProvider" here - like elsewhere |
225 |
$self->{node}->{$descent}->{ident} = $ident; |
226 |
$self->{node}->{$descent}->{payload} = $entry; |
227 |
|
228 |
} |
229 |
|
230 |
return 1; |
231 |
|
232 |
} |
233 |
|
234 |
|
235 |
sub _touchNodeSet { |
236 |
my $self = shift; |
237 |
|
238 |
$logger->debug( __PACKAGE__ . "->touchNodeSet" ); |
239 |
|
240 |
# check descents/nodes: does descent exist / is node available? |
241 |
foreach my $descent (keys %{$self->{meta}}) { |
242 |
|
243 |
# 1. check metadata of descent(s) |
244 |
if (!$self->{meta}->{$descent}) { |
245 |
$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not find descent '$descent' in configuration metadata." ); |
246 |
next; |
247 |
} |
248 |
|
249 |
# 2. check storage handle(s) |
250 |
my $dbkey = $self->{meta}->{$descent}->{dbKey}; |
251 |
if (!$self->{meta}->{$descent}->{storage}) { |
252 |
$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not access storage ( descent='$descent', dbKey='$dbkey' ) - configuration-error?" ); |
253 |
next; |
254 |
} |
255 |
|
256 |
# 2.b check storage handle type |
257 |
my $dbType = $self->{meta}->{$descent}->{storage}->{locator}->{type}; |
258 |
if (!$dbType) { |
259 |
$logger->critical( __PACKAGE__ . "->touchNodeSet: Storage ( descent='$descent', dbKey='$dbkey' ) has no 'dbType' - configuration-error?" ); |
260 |
next; |
261 |
} |
262 |
|
263 |
# 3. check if descents (and nodes?) are actually available.... |
264 |
# TODO: |
265 |
# eventually pre-check mode of access-attempt (read/write) here to provide an "early-croak" if possible |
266 |
|
267 |
# trace |
268 |
# print Dumper($self->{meta}->{$descent}->{storage}->{locator}); |
269 |
|
270 |
|
271 |
my $nodeName = $self->{meta}->{$descent}->{nodeName}; |
272 |
my $accessorType = $self->{meta}->{$descent}->{accessorType}; |
273 |
my $accessorName = $self->{meta}->{$descent}->{accessorName}; |
274 |
|
275 |
|
276 |
# 4. check nodeset |
277 |
|
278 |
# debug message containing database type and used/determined accessor name |
279 |
$logger->debug( __PACKAGE__ . "->touchNodeSet: Accessing dbType=$dbType, accessorName=$accessorName" ); |
280 |
|
281 |
# if target node(s) do(es) not exist, check if we should create it automagically |
282 |
if ($dbType ne 'DBI' && !$self->{meta}->{$descent}->{storage}->existsChildNode($accessorName)) { |
283 |
|
284 |
if ($descent eq 'target' && $self->{options}->{target}->{autocreateFolders}) { |
285 |
if (!$self->{meta}->{$descent}->{storage}->createChildNode($accessorName)) { |
286 |
$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not create node '$self->{meta}->{$descent}->{nodeName}\@$self->{meta}->{$descent}->{dbKey}' [$self->{meta}->{$descent}->{nodeType}]." ); |
287 |
next; |
288 |
} |
289 |
} else { |
290 |
$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not reach node \"$nodeName\" (accessorName=$accessorName, accessorType=$accessorType) at descent \"$descent\"" ); |
291 |
next; |
292 |
} |
293 |
} |
294 |
|
295 |
} |
296 |
|
297 |
# trace |
298 |
#print Dumper($self->{meta}); |
299 |
#exit; |
300 |
|
301 |
|
302 |
return 1; |
303 |
|
304 |
} |
305 |
|
306 |
|
307 |
|
308 |
sub _modifyNode { |
309 |
my $self = shift; |
310 |
my $descent = shift; |
311 |
my $action = shift; |
312 |
my $map = shift; |
313 |
my $crit = shift; |
314 |
|
315 |
# map for new style callbacks |
316 |
my $map_callbacks = {}; |
317 |
|
318 |
# checks go first! |
319 |
|
320 |
# TODO: this should be reviewed first - before extending ;-) |
321 |
# TODO: this should be extended: |
322 |
# count this cases inside the caller to this sub and provide a better overall message |
323 |
# if this counts still zero in the end: |
324 |
# "No nodes have been touched for modify: Do you have column-headers in your csv file?" |
325 |
if (not defined $self->{node}) { |
326 |
#$logger->critical( __PACKAGE__ . "->_modifyNode failed: \"$descent\" node is empty." ); |
327 |
#return; |
328 |
} |
329 |
|
330 |
# transfer callback nodes from value map to callback map - handle them afterwards! - (new style callbacks) |
331 |
if (my $callbacks = $self->{meta}->{$descent}->{Callback}) { |
332 |
foreach my $callback (keys %{$callbacks->{write}}) { |
333 |
$map_callbacks->{write}->{$callback} = $map->{$callback}; |
334 |
delete $map->{$callback}; |
335 |
} |
336 |
} |
337 |
|
338 |
|
339 |
# trace |
340 |
#print Dumper($self->{meta}); |
341 |
|
342 |
|
343 |
# -------------------------------------------------------------------------- |
344 |
# DBI speaks SQL |
345 |
if ($self->{meta}->{$descent}->{storage}->{locator}->{type} eq 'DBI') { |
346 |
|
347 |
# trace |
348 |
#print Dumper($map); |
349 |
#delete $map->{cs}; |
350 |
|
351 |
# transfer data |
352 |
# TODO: wrap this around '$storageHandle->sendQuery(...)'!? |
353 |
my $sql_main; |
354 |
if (lc($action) eq 'insert') { |
355 |
$sql_main = hash2sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_INSERT'); |
356 |
} elsif (lc $action eq 'update') { |
357 |
$crit ||= "$self->{meta}->{$descent}->{IdentProvider}->{arg}='$self->{node}->{$descent}->{ident}'"; |
358 |
$sql_main = hash2sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_UPDATE', $crit); |
359 |
} |
360 |
my $sqlHandle = $self->{meta}->{$descent}->{storage}->sendCommand($sql_main); |
361 |
|
362 |
# handle errors |
363 |
if ($sqlHandle->err) { |
364 |
#if ($self->{args}->{debug}) { print "sql-error with statement: $sql_main", "\n"; } |
365 |
$self->{node}->{status}->{error} = { |
366 |
statement => $sql_main, |
367 |
state => $sqlHandle->state, |
368 |
err => $sqlHandle->err, |
369 |
errstr => $sqlHandle->errstr, |
370 |
}; |
371 |
} else { |
372 |
$self->{node}->{status}->{ok} = 1; |
373 |
} |
374 |
|
375 |
|
376 |
# -------------------------------------------------------------------------- |
377 |
# Tangram does it the oo-way (naturally) |
378 |
} elsif ($self->{meta}->{$descent}->{storage}->{locator}->{type} eq 'Tangram') { |
379 |
my $sql_main; |
380 |
my $object; |
381 |
|
382 |
# determine classname |
383 |
my $classname = $self->{meta}->{$descent}->{nodeType}; |
384 |
|
385 |
# attributes/properties to exclude |
386 |
# push declared ones from metadata |
387 |
my @exclude = @{$self->{meta}->{$descent}->{subnodes_exclude}}; |
388 |
# push the attributes associated with the identifier |
389 |
if (my $identProvider = $self->{meta}->{$descent}->{IdentProvider}) { |
390 |
push @exclude, $identProvider->{arg}; |
391 |
} |
392 |
|
393 |
# trace |
394 |
#print Dumper($self->{meta}); |
395 |
#exit; |
396 |
|
397 |
# new feature: |
398 |
# - check TypeProvider metadata property from other side |
399 |
# - use argument (arg) inside as a classname for object creation on this side |
400 |
#my $otherSide = $self->_otherSide($descent); |
401 |
if (my $typeProvider = $self->{meta}->{$descent}->{TypeProvider}) { |
402 |
#print Dumper($map); |
403 |
$classname = $map->{$typeProvider->{arg}}; |
404 |
# remove nodes from map also (push nodes to "subnodes_exclude" list) |
405 |
push @exclude, $typeProvider->{arg}; |
406 |
} |
407 |
|
408 |
# exclude banned properties (remove from map) |
409 |
#map { delete $self->{node}->{map}->{$_} } @{$self->{args}->{exclude}}; |
410 |
map { delete $map->{$_} } @exclude; |
411 |
|
412 |
# list of properties |
413 |
my @props = keys %{$map}; |
414 |
|
415 |
# transfer data |
416 |
if (lc $action eq 'insert') { |
417 |
|
418 |
# make the object persistent in four steps: |
419 |
# - raw create (perl / class tangram scope) |
420 |
# - orm insert (tangram scope) ... this establishes inheritance - don't try to fill in inherited properties before! |
421 |
# is this a Tangram bug? |
422 |
# - raw fill-in from hash (perl scope) |
423 |
# - orm update (tangram scope) ... this updates all properties just filled in |
424 |
|
425 |
|
426 |
# ========================== |
427 |
# TODO: REVIEW HERE!!! |
428 |
# can't we achieve this more elegant? |
429 |
# o use DesignPattern::Object??? |
430 |
# o use Hash::Merge!!! (take care about the cloning behaviour) |
431 |
|
432 |
# check if object exists (is classname a valid perl package/module?) |
433 |
|
434 |
# we can just check if the classname is valid here |
435 |
if (!$classname) { |
436 |
$logger->critical( __PACKAGE__ . "->_modifyNode: classname is undefined" ); |
437 |
# FIXME: stop syncing here? |
438 |
return; |
439 |
} |
440 |
|
441 |
# try to match against the classes known by Class::Tangram |
442 |
# FIXME: do "/i" on win32 only! |
443 |
my $classname_find = quotemeta($classname); |
444 |
if (!grep(m/$classname_find/i, Class::Tangram::known_classes())) { |
445 |
$logger->critical( __PACKAGE__ . "->_modifyNode: Classname '$classname' is not known by Class::Tangram" ); |
446 |
# FIXME: stop syncing here? |
447 |
return; |
448 |
} |
449 |
|
450 |
# create new object ... |
451 |
# V1 |
452 |
# build array to initialize object |
453 |
#my @initarray = (); |
454 |
#map { push @initarray, $_, undef; } @props; |
455 |
#my $object = $classname->new( @initarray ); |
456 |
# V2 |
457 |
$object = $classname->new(); |
458 |
# V3 |
459 |
# $object = DesignPattern::Object->new($data); |
460 |
|
461 |
# ... pass to orm first ... |
462 |
$self->{meta}->{$descent}->{storage}->insert($object); |
463 |
|
464 |
# ... and initialize with empty (undef'd) properties afterwards. |
465 |
map { $object->{$_} = undef; } @props; |
466 |
|
467 |
# trace |
468 |
#print "\n"; |
469 |
#print Dumper($map); |
470 |
#print Dumper($object); |
471 |
#exit; |
472 |
|
473 |
# mix in (merge) values ... |
474 |
# TODO: use Hash::Merge here? benchmark! |
475 |
# no! we'd need a Object::Merge here! it's *...2object* |
476 |
merge_to($object, $map); |
477 |
|
478 |
# trace |
479 |
#print Dumper($object); |
480 |
#exit; |
481 |
|
482 |
# TODO: REVIEW HERE!!! |
483 |
# ========================== |
484 |
|
485 |
# ... and re-update@orm. |
486 |
$self->{meta}->{$descent}->{storage}->update($object); |
487 |
|
488 |
# asymmetry: get ident after insert |
489 |
# TODO: |
490 |
# - just do this if it is an IdentAuthority |
491 |
# - use IdentProvider metadata here |
492 |
#print Dumper($self->{meta}->{$descent}); |
493 |
my $oid = $self->{meta}->{$descent}->{storage}->id($object); |
494 |
#print "oid: $oid", "\n"; |
495 |
$self->{node}->{$descent}->{ident} = $oid; |
496 |
|
497 |
|
498 |
} elsif (lc $action eq 'update') { |
499 |
|
500 |
# Get fresh object from orm first. |
501 |
# TODO: Review, is a 'sendQuery' required in this place? |
502 |
# By now: NO! It's more expensive and we can just expect existing objects for update operations. |
503 |
# If it doesn't exist either, we assume the engine will fail on issuing the 'update' operation later... |
504 |
$object = $self->{meta}->{$descent}->{storage}->load($self->{node}->{$descent}->{ident}); |
505 |
|
506 |
# mix in values |
507 |
merge_to($object, $map); |
508 |
|
509 |
# update orm |
510 |
$self->{meta}->{$descent}->{storage}->update($object); |
511 |
|
512 |
} |
513 |
|
514 |
my $error = 0; |
515 |
|
516 |
# handle new style callbacks - this is a HACK - do this without an eval! |
517 |
#print Dumper($map); |
518 |
#print "cb: ", Dumper($self->{meta}->{$descent}->{Callback}); |
519 |
#print Dumper($map_callbacks); |
520 |
foreach my $node (keys %{$map_callbacks->{write}}) { |
521 |
#print Dumper($node); |
522 |
|
523 |
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
524 |
my $perl_callback = $self->{meta}->{$descent}->{nodeType} . '::' . $node . '_write'; |
525 |
my $evalstring = $perl_callback . '( { object => $object, value => $map_callbacks->{write}->{$node}, storage => $self->{meta}->{$descent}->{storage} } );'; |
526 |
#print $evalstring, "\n"; exit; |
527 |
eval($evalstring); |
528 |
if ($@) { |
529 |
$error = 1; |
530 |
$logger->error( __PACKAGE__ . "->_modifyNode: $@" ); |
531 |
next; |
532 |
} |
533 |
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
534 |
|
535 |
#print "after eval", "\n"; |
536 |
|
537 |
if (!$error) { |
538 |
# re-update@orm |
539 |
$self->{meta}->{$descent}->{storage}->update($object); |
540 |
} |
541 |
} |
542 |
|
543 |
# handle errors |
544 |
if ($error) { |
545 |
#print "error", "\n"; |
546 |
=pod |
547 |
my $sqlHandle; |
548 |
#if ($self->{args}->{debug}) { print "sql-error with statement: $sql_main", "\n"; } |
549 |
$self->{node}->{status}->{error} = { |
550 |
statement => $sql_main, |
551 |
state => $sqlHandle->state, |
552 |
err => $sqlHandle->err, |
553 |
errstr => $sqlHandle->errstr, |
554 |
}; |
555 |
=cut |
556 |
# rollback.... |
557 |
#print "rollback", "\n"; |
558 |
$self->{meta}->{$descent}->{storage}->erase($object); |
559 |
#print "after rollback", "\n"; |
560 |
} else { |
561 |
$self->{node}->{status}->{ok} = 1; |
562 |
} |
563 |
|
564 |
} |
565 |
|
566 |
} |
567 |
|
568 |
sub _erase_all { |
569 |
my $self = shift; |
570 |
my $descent = shift; |
571 |
#my $node = shift; |
572 |
#print Dumper($self->{meta}->{$descent}); |
573 |
#my $node = $self->{meta}->{$descent}->{nodeName}; |
574 |
my $node = $self->{meta}->{$descent}->{accessorName}; |
575 |
$logger->debug( __PACKAGE__ . "->_erase_all( node $node )" ); |
576 |
$self->{meta}->{$descent}->{storage}->eraseAll($node); |
577 |
} |
578 |
|
579 |
1; |
580 |
__END__ |