| 1 |
## $Id: Core.pm,v 1.5 2003/02/11 05:30:47 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: Core.pm,v $ |
| 9 |
## Revision 1.5 2003/02/11 05:30:47 joko |
| 10 |
## + minor fixes and some debugging mud |
| 11 |
## |
| 12 |
## Revision 1.4 2003/02/09 05:01:10 joko |
| 13 |
## + major structure changes |
| 14 |
## - refactored code to sister modules |
| 15 |
## |
| 16 |
## Revision 1.3 2003/01/20 17:01:14 joko |
| 17 |
## + cosmetics and debugging |
| 18 |
## + probably refactored code to new plugin-modules 'Metadata.pm' and/or 'StorageInterface.pm' (guess it was the last one...) |
| 19 |
## |
| 20 |
## Revision 1.2 2003/01/19 02:05:42 joko |
| 21 |
## - removed pod-documentation: now in Data/Transfer/Sync.pod |
| 22 |
## |
| 23 |
## Revision 1.1 2003/01/19 01:23:04 joko |
| 24 |
## + new from Data/Transfer/Sync.pm |
| 25 |
## |
| 26 |
## Revision 1.11 2002/12/23 07:10:59 joko |
| 27 |
## + using MD5 for checksum generation again - the 32-bit integer hash from DBI seems to be too lazy |
| 28 |
## |
| 29 |
## Revision 1.10 2002/12/19 01:07:16 joko |
| 30 |
## + fixed output done via $logger |
| 31 |
## |
| 32 |
## Revision 1.9 2002/12/16 07:02:34 jonen |
| 33 |
## + added comment |
| 34 |
## |
| 35 |
## Revision 1.8 2002/12/15 02:03:09 joko |
| 36 |
## + fixed logging-messages |
| 37 |
## + additional metadata-checks |
| 38 |
## |
| 39 |
## Revision 1.7 2002/12/13 21:49:34 joko |
| 40 |
## + sub configure |
| 41 |
## + sub checkOptions |
| 42 |
## |
| 43 |
## Revision 1.6 2002/12/06 04:49:10 jonen |
| 44 |
## + disabled output-puffer here |
| 45 |
## |
| 46 |
## Revision 1.5 2002/12/05 08:06:05 joko |
| 47 |
## + bugfix with determining empty fields (Null) with DBD::CSV |
| 48 |
## + debugging |
| 49 |
## + updated comments |
| 50 |
## |
| 51 |
## Revision 1.4 2002/12/03 15:54:07 joko |
| 52 |
## + {import}-flag is now {prepare}-flag |
| 53 |
## |
| 54 |
## Revision 1.3 2002/12/01 22:26:59 joko |
| 55 |
## + minor cosmetics for logging |
| 56 |
## |
| 57 |
## Revision 1.2 2002/12/01 04:43:25 joko |
| 58 |
## + mapping deatil entries may now be either an ARRAY or a HASH |
| 59 |
## + erase flag is used now (for export-operations) |
| 60 |
## + expressions to refer to values inside deep nested structures |
| 61 |
## - removed old mappingV2-code |
| 62 |
## + cosmetics |
| 63 |
## + sub _erase_all |
| 64 |
## |
| 65 |
## Revision 1.1 2002/11/29 04:45:50 joko |
| 66 |
## + initial check in |
| 67 |
## |
| 68 |
## Revision 1.1 2002/10/10 03:44:21 cvsjoko |
| 69 |
## + new |
| 70 |
## ---------------------------------------------------------------------------------------- |
| 71 |
|
| 72 |
|
| 73 |
package Data::Transfer::Sync::Core; |
| 74 |
|
| 75 |
use strict; |
| 76 |
use warnings; |
| 77 |
|
| 78 |
use mixin::with qw( Data::Transfer::Sync ); |
| 79 |
|
| 80 |
|
| 81 |
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - main |
| 82 |
|
| 83 |
use Data::Dumper; |
| 84 |
|
| 85 |
use misc::HashExt; |
| 86 |
use Data::Compare::Struct qw( getDifference isEmpty ); |
| 87 |
use Data::Storage::Container; |
| 88 |
use DesignPattern::Object; |
| 89 |
use libdb qw( quotesql ); |
| 90 |
|
| 91 |
# get logger instance |
| 92 |
my $logger = Log::Dispatch::Config->instance; |
| 93 |
|
| 94 |
$| = 1; |
| 95 |
|
| 96 |
=pod |
| 97 |
sub new { |
| 98 |
my $invocant = shift; |
| 99 |
my $class = ref($invocant) || $invocant; |
| 100 |
my $self = {}; |
| 101 |
$logger->debug( __PACKAGE__ . "->new(@_)" ); |
| 102 |
bless $self, $class; |
| 103 |
$self->configure(@_); |
| 104 |
return $self; |
| 105 |
} |
| 106 |
=cut |
| 107 |
|
| 108 |
|
| 109 |
sub _init { |
| 110 |
my $self = shift; |
| 111 |
|
| 112 |
# build new container if necessary |
| 113 |
$self->{container} = Data::Storage::Container->new() if !$self->{container}; |
| 114 |
|
| 115 |
# add storages to container (optional) |
| 116 |
foreach (keys %{$self->{storages}}) { |
| 117 |
$self->{container}->addStorage($_, $self->{storages}->{$_}); |
| 118 |
} |
| 119 |
|
| 120 |
# trace |
| 121 |
#print Dumper($self); |
| 122 |
#exit; |
| 123 |
|
| 124 |
return 1; |
| 125 |
|
| 126 |
} |
| 127 |
|
| 128 |
sub _initV1 { |
| 129 |
my $self = shift; |
| 130 |
$logger->debug( __PACKAGE__ . "->_initV1" ); |
| 131 |
die("this should not be reached!"); |
| 132 |
# tag storages with id-authority and checksum-provider information |
| 133 |
# TODO: better store tag inside metadata to hold bits together! |
| 134 |
map { $self->{container}->{storage}->{$_}->{isIdentAuthority} = 1 } @{$self->{id_authorities}}; |
| 135 |
map { $self->{container}->{storage}->{$_}->{isChecksumAuthority} = 1; } @{$self->{checksum_authorities}}; |
| 136 |
map { $self->{container}->{storage}->{$_}->{isWriteProtected} = 1; } @{$self->{write_protected}}; |
| 137 |
} |
| 138 |
|
| 139 |
|
| 140 |
# TODO: abstract the hardwired use of "source" and "target" in here somehow - hmmmm....... /(="ยง/%??? |
| 141 |
sub _run { |
| 142 |
|
| 143 |
my $self = shift; |
| 144 |
|
| 145 |
#print "verbose: ", $self->{verbose}, "\n"; |
| 146 |
$self->{verbose} = 1; |
| 147 |
|
| 148 |
$logger->debug( __PACKAGE__ . "->_run" ); |
| 149 |
|
| 150 |
# for statistics |
| 151 |
my $tc = OneLineDumpHash->new( {} ); |
| 152 |
my $results; |
| 153 |
|
| 154 |
# set of objects is already in $self->{args} |
| 155 |
# TODO: make independent of the terminology "object..." |
| 156 |
$results = $self->{args}->{objectSet} if $self->{args}->{objectSet}; |
| 157 |
|
| 158 |
# apply filter |
| 159 |
if (my $filter = $self->{meta}->{source}->{filter}) { |
| 160 |
#print Dumper($filter); |
| 161 |
#exit; |
| 162 |
$results ||= $self->_getNodeList('source', $filter); |
| 163 |
} |
| 164 |
|
| 165 |
# get reference to node list from convenient method provided by CORE-HANDLE |
| 166 |
$results ||= $self->_getNodeList('source'); |
| 167 |
|
| 168 |
# checkpoint: do we actually have a list to iterate through? |
| 169 |
if (!$results || !@{$results}) { |
| 170 |
$logger->notice( __PACKAGE__ . "->_run: No nodes to synchronize." ); |
| 171 |
return; |
| 172 |
} |
| 173 |
|
| 174 |
|
| 175 |
|
| 176 |
# check if we actually *have* a synchronization method |
| 177 |
if (!$self->{options}->{metadata}->{syncMethod}) { |
| 178 |
$logger->critical( __PACKAGE__ . "->_run: No synchronization method (checksum|timestamp) specified" ); |
| 179 |
return; |
| 180 |
} |
| 181 |
|
| 182 |
|
| 183 |
# dereference |
| 184 |
my @results = @{$results}; |
| 185 |
|
| 186 |
# iterate through set |
| 187 |
foreach my $source_node_real (@results) { |
| 188 |
|
| 189 |
print ":" if $self->{verbose}; |
| 190 |
|
| 191 |
$tc->{total}++; |
| 192 |
|
| 193 |
#print "======================== iter", "\n"; |
| 194 |
|
| 195 |
# clone object (in case we have to modify it here) |
| 196 |
# TODO: |
| 197 |
# - is a "deep_copy" needed here if occouring modifications take place? |
| 198 |
# - puuhhhh, i guess a deep_copy would destroy tangram mechanisms? |
| 199 |
# - after all, just take care for now that this object doesn't get updated! |
| 200 |
# - so, just use its reference for now - if some cloning is needed in future, do this here! |
| 201 |
my $source_node = $source_node_real; |
| 202 |
|
| 203 |
# modify entry - handle new style callbacks (the readers) |
| 204 |
|
| 205 |
# trace |
| 206 |
#print Dumper($source_node); |
| 207 |
#exit; |
| 208 |
|
| 209 |
my $descent = 'source'; |
| 210 |
|
| 211 |
# handle callbacks right now while scanning them (asymmetric to the writers) |
| 212 |
my $map_callbacks = {}; |
| 213 |
if (my $callbacks = $self->{meta}->{$descent}->{Callback}) { |
| 214 |
|
| 215 |
# trace |
| 216 |
#print Dumper($callbacks); |
| 217 |
#exit; |
| 218 |
|
| 219 |
my $error = 0; |
| 220 |
|
| 221 |
foreach my $node (keys %{$callbacks->{read}}) { |
| 222 |
|
| 223 |
my $object = $source_node; |
| 224 |
my $value; # = $source_node->{$node}; |
| 225 |
|
| 226 |
# trace |
| 227 |
#print Dumper($self->{options}); |
| 228 |
|
| 229 |
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
| 230 |
#my $perl_callback = $self->{meta}->{$descent}->{node} . '::' . $node . '_read'; |
| 231 |
my $perl_callback = $self->{meta}->{$descent}->{nodeType} . '::' . $node . '_read'; |
| 232 |
my $evalstring = 'return ' . $perl_callback . '( { object => $object, property => $node, value => $value, storage => $self->{meta}->{$descent}->{storage} } );'; |
| 233 |
#print $evalstring, "\n"; exit; |
| 234 |
my $cb_result = eval($evalstring); |
| 235 |
if ($@) { |
| 236 |
$error = 1; |
| 237 |
$logger->error( __PACKAGE__ . "->_run: $@" ); |
| 238 |
next; |
| 239 |
} |
| 240 |
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
| 241 |
|
| 242 |
$source_node->{$node} = $cb_result; |
| 243 |
|
| 244 |
} |
| 245 |
|
| 246 |
} |
| 247 |
|
| 248 |
# trace |
| 249 |
#print Dumper($source_node); |
| 250 |
|
| 251 |
# exclude defined fields (simply delete from object) |
| 252 |
map { delete $source_node->{$_} } @{$self->{meta}->{source}->{subnodes_exclude}}; |
| 253 |
|
| 254 |
# here we accumulate information about the status of the current node (payload/row/object/item/entry) |
| 255 |
$self->{node} = {}; |
| 256 |
$self->{node}->{source}->{payload} = $source_node; |
| 257 |
|
| 258 |
# trace |
| 259 |
#print Dumper($self->{node}); |
| 260 |
#exit; |
| 261 |
|
| 262 |
# determine ident of entry |
| 263 |
my $identOK = $self->_resolveNodeIdent('source'); |
| 264 |
#if (!$identOK && lc $self->{args}->{direction} ne 'import') { |
| 265 |
if (!$identOK) { |
| 266 |
#print Dumper($self->{meta}->{source}); |
| 267 |
$logger->critical( __PACKAGE__ . "->_run: No ident found in source node ( nodeName='$self->{meta}->{source}->{nodeName}', nodeType='$self->{meta}->{source}->{nodeType}') try to \"prepare\" this node first?" ); |
| 268 |
return; |
| 269 |
} |
| 270 |
|
| 271 |
#print "l" if $self->{verbose}; |
| 272 |
my $statOK = $self->_statloadNode('target', $self->{node}->{source}->{ident}); |
| 273 |
|
| 274 |
# mark node as new either if there's no ident or if stat/load failed |
| 275 |
if (!$statOK) { |
| 276 |
$self->{node}->{status}->{new} = 1; |
| 277 |
print "n" if $self->{verbose}; |
| 278 |
} |
| 279 |
|
| 280 |
#print "checksum", "\n"; |
| 281 |
|
| 282 |
#print Dumper($self); |
| 283 |
|
| 284 |
# determine status of entry by synchronization method |
| 285 |
if ( lc $self->{options}->{metadata}->{syncMethod} eq 'checksum' ) { |
| 286 |
#if ( $statOK && (lc $self->{args}->{method} eq 'checksum') ) { |
| 287 |
#if ( !$self->{node}->{status}->{new} && (lc $self->{args}->{method} eq 'checksum') ) { |
| 288 |
|
| 289 |
# calculate checksum of source node |
| 290 |
#$self->_calcChecksum('source'); |
| 291 |
if (!$self->_readChecksum('source')) { |
| 292 |
$logger->warning( __PACKAGE__ . "->_run: Could not find \"source\" entry with ident=\"$self->{node}->{source}->{ident}\"" ); |
| 293 |
$tc->{skip}++; |
| 294 |
print "s" if $self->{verbose}; |
| 295 |
next; |
| 296 |
} |
| 297 |
|
| 298 |
# get checksum from synchronization target |
| 299 |
$self->_readChecksum('target'); |
| 300 |
#if (!$self->_readChecksum('target')) { |
| 301 |
# $logger->critical( __PACKAGE__ . "->_readChecksum: Could not find \"target\" entry with ident=\"$self->{node}->{source}->{ident}\"" ); |
| 302 |
# next; |
| 303 |
#} |
| 304 |
|
| 305 |
# pre flight check: do we actually have a checksum provided? |
| 306 |
#if (!$self->{node}->{source}->{checksum}) { |
| 307 |
# print "Source checksum for entry with ident \"$self->{node}->{source}->{ident}\" could not be calculated, maybe it's missing?.", "\n"; |
| 308 |
# return; |
| 309 |
#} |
| 310 |
|
| 311 |
# determine if entry is "new" or "dirty" |
| 312 |
# after all, this seems to be the point where the hammer falls..... |
| 313 |
print "c" if $self->{verbose}; |
| 314 |
|
| 315 |
# trace |
| 316 |
#print Dumper($self->{node}); |
| 317 |
#exit; |
| 318 |
|
| 319 |
$self->{node}->{status}->{new} = !$self->{node}->{target}->{checksum}; |
| 320 |
if (!$self->{node}->{status}->{new}) { |
| 321 |
$self->{node}->{status}->{dirty} = |
| 322 |
$self->{node}->{status}->{new} || |
| 323 |
(!$self->{node}->{source}->{checksum} || !$self->{node}->{target}->{checksum}) || |
| 324 |
($self->{node}->{source}->{checksum} ne $self->{node}->{target}->{checksum}) || |
| 325 |
$self->{args}->{force}; |
| 326 |
} |
| 327 |
|
| 328 |
} else { |
| 329 |
$logger->warning( __PACKAGE__ . "->_run: Synchronization method '$self->{options}->{metadata}->{syncMethod}' is not implemented" ); |
| 330 |
$tc->{skip}++; |
| 331 |
print "s" if $self->{verbose}; |
| 332 |
next; |
| 333 |
|
| 334 |
} |
| 335 |
|
| 336 |
# first reaction on entry-status: continue with next entry if the current is already "in sync" |
| 337 |
if (!$self->{node}->{status}->{new} && !$self->{node}->{status}->{dirty}) { |
| 338 |
$tc->{in_sync}++; |
| 339 |
next; |
| 340 |
} |
| 341 |
|
| 342 |
# build map to actually transfer the data from source to target |
| 343 |
$self->buildAttributeMap(); |
| 344 |
|
| 345 |
|
| 346 |
# trace |
| 347 |
#print Dumper($self->{node}); exit; |
| 348 |
#print "attempt", "\n"; |
| 349 |
|
| 350 |
# additional (new) checks for feature "write-protection" |
| 351 |
if ($self->{meta}->{target}->{storage}->{isWriteProtected}) { |
| 352 |
$tc->{attempt_transfer}++; |
| 353 |
print "\n" if $self->{verbose}; |
| 354 |
$logger->notice( __PACKAGE__ . "->_run: Target is write-protected. Will not insert or modify node. " . |
| 355 |
"(Ident: $self->{node}->{source}->{ident} " . "Dump:\n" . Dumper($self->{node}->{source}->{payload}) . ")" ); |
| 356 |
print "\n" if $self->{verbose}; |
| 357 |
$tc->{skip}++; |
| 358 |
next; |
| 359 |
} |
| 360 |
|
| 361 |
# trace |
| 362 |
#print Dumper($self); |
| 363 |
#exit; |
| 364 |
|
| 365 |
# transfer contents of map to target |
| 366 |
if ($self->{node}->{status}->{new}) { |
| 367 |
$tc->{attempt_new}++; |
| 368 |
$self->_doTransferToTarget('insert'); |
| 369 |
# asymmetry: refetch node from target to re-calculate new ident and checksum (TODO: is IdentAuthority of relevance here?) |
| 370 |
#print Dumper($self->{node}); |
| 371 |
$self->_statloadNode('target', $self->{node}->{target}->{ident}, 1); |
| 372 |
$self->_readChecksum('target'); |
| 373 |
|
| 374 |
} elsif ($self->{node}->{status}->{dirty}) { |
| 375 |
$tc->{attempt_modify}++; |
| 376 |
# asymmetry: get ident before updating (TODO: is IdentAuthority of relevance here?) |
| 377 |
$self->{node}->{target}->{ident} = $self->{node}->{map}->{$self->{meta}->{target}->{IdentProvider}->{arg}}; |
| 378 |
$self->_doTransferToTarget('update'); |
| 379 |
$self->_readChecksum('target'); |
| 380 |
} |
| 381 |
|
| 382 |
if ($self->{node}->{status}->{ok}) { |
| 383 |
$tc->{ok}++; |
| 384 |
print "t" if $self->{verbose}; |
| 385 |
} |
| 386 |
|
| 387 |
if ($self->{node}->{status}->{error}) { |
| 388 |
$tc->{error}++; |
| 389 |
push( @{$tc->{error_per_row}}, $self->{node}->{status}->{error} ); |
| 390 |
print "e" if $self->{verbose}; |
| 391 |
} |
| 392 |
|
| 393 |
# trace |
| 394 |
#print Dumper($self); |
| 395 |
#exit; |
| 396 |
|
| 397 |
# change ident in source (take from target), if transfer was ok and target is an IdentAuthority |
| 398 |
# this is (for now) called a "retransmit" indicated by a "r"-character when verbosing |
| 399 |
#if ($self->{node}->{status}->{ok} && $self->{options}->{target}->{storage}->{idAuthority}) { |
| 400 |
if ($self->{node}->{status}->{ok} && $self->{meta}->{target}->{isIdentAuthority}) { |
| 401 |
print "r" if $self->{verbose}; |
| 402 |
#print Dumper($self->{meta}); |
| 403 |
#print Dumper($self->{node}); |
| 404 |
#exit; |
| 405 |
$self->_doModifySource_IdentChecksum($self->{node}->{target}->{ident}); |
| 406 |
} |
| 407 |
|
| 408 |
} |
| 409 |
|
| 410 |
print "\n" if $self->{verbose}; |
| 411 |
|
| 412 |
# build user-message from some stats |
| 413 |
my $msg = "statistics: $tc"; |
| 414 |
|
| 415 |
if ($tc->{error_per_row}) { |
| 416 |
$msg .= "\n"; |
| 417 |
$msg .= "errors from \"error_per_row\":" . "\n"; |
| 418 |
$msg .= Dumper($tc->{error_per_row}); |
| 419 |
} |
| 420 |
|
| 421 |
# todo!!! |
| 422 |
#sysevent( { usermsg => $msg, level => $level }, $taskEvent ); |
| 423 |
$logger->info( __PACKAGE__ . "->_run: $msg" ); |
| 424 |
|
| 425 |
return $tc; |
| 426 |
|
| 427 |
} |
| 428 |
|
| 429 |
|
| 430 |
# refactor this as some core-function to do a generic dump resolving data-encapsulations of e.g. Set::Object |
| 431 |
sub _dumpCompact { |
| 432 |
my $self = shift; |
| 433 |
|
| 434 |
#my $vars = \@_; |
| 435 |
my @data = (); |
| 436 |
|
| 437 |
my $count = 0; |
| 438 |
foreach (@_) { |
| 439 |
my $item = {}; |
| 440 |
foreach my $key (keys %$_) { |
| 441 |
my $val = $_->{$key}; |
| 442 |
|
| 443 |
#print Dumper($val); |
| 444 |
|
| 445 |
if (ref $val eq 'Set::Object') { |
| 446 |
#print "========================= SET", "\n"; |
| 447 |
#print Dumper($val); |
| 448 |
#print Dumper($val->members()); |
| 449 |
#$val = $val->members(); |
| 450 |
#$vars->[$count]->{$key} = $val->members() if $val->can("members"); |
| 451 |
#$item->{$key} = $val->members() if $val->can("members"); |
| 452 |
$item->{$key} = $val->members(); |
| 453 |
#print Dumper($vars->[$count]->{$key}); |
| 454 |
|
| 455 |
} else { |
| 456 |
$item->{$key} = $val; |
| 457 |
} |
| 458 |
|
| 459 |
} |
| 460 |
push @data, $item; |
| 461 |
$count++; |
| 462 |
} |
| 463 |
|
| 464 |
#print "Dump:", Dumper(@data), "\n"; |
| 465 |
|
| 466 |
$Data::Dumper::Indent = 0; |
| 467 |
my $result = Dumper(@data); |
| 468 |
$Data::Dumper::Indent = 2; |
| 469 |
return $result; |
| 470 |
|
| 471 |
} |
| 472 |
|
| 473 |
|
| 474 |
|
| 475 |
sub _doTransferToTarget { |
| 476 |
my $self = shift; |
| 477 |
my $action = shift; |
| 478 |
|
| 479 |
# trace |
| 480 |
#print Dumper($self->{meta}); |
| 481 |
#print Dumper($self->{node}); |
| 482 |
#exit; |
| 483 |
|
| 484 |
$self->_modifyNode('target', $action, $self->{node}->{map}); |
| 485 |
} |
| 486 |
|
| 487 |
|
| 488 |
sub _doModifySource_IdentChecksum { |
| 489 |
my $self = shift; |
| 490 |
my $ident_new = shift; |
| 491 |
# this changes an old node to a new one including ident and checksum |
| 492 |
# TODO: |
| 493 |
# - eventually introduce an external resource to store this data to |
| 494 |
# - we won't have to "re"-modify the source node here |
| 495 |
my $map = { |
| 496 |
$self->{meta}->{source}->{IdentProvider}->{arg} => $ident_new, |
| 497 |
cs => $self->{node}->{target}->{checksum}, |
| 498 |
}; |
| 499 |
|
| 500 |
#print Dumper($map); |
| 501 |
#print Dumper($self->{node}); |
| 502 |
#exit; |
| 503 |
|
| 504 |
$self->_modifyNode('source', 'update', $map); |
| 505 |
} |
| 506 |
|
| 507 |
|
| 508 |
|
| 509 |
sub _prepareNode_MetaProperties { |
| 510 |
my $self = shift; |
| 511 |
my $descent = shift; |
| 512 |
|
| 513 |
$logger->info( __PACKAGE__ . "->_prepareNode_MetaProperties( descent $descent )" ); |
| 514 |
|
| 515 |
# TODO: this should (better) be: "my $firstnode = $self->_getFirstNode($descent);" |
| 516 |
my $list = $self->_getNodeList($descent); |
| 517 |
|
| 518 |
# get first node |
| 519 |
my $firstnode = $list->[0]; |
| 520 |
|
| 521 |
# check if node contains meta properties/nodes |
| 522 |
# TODO: "cs" is hardcoded here! |
| 523 |
my @required = ( $self->{meta}->{$descent}->{IdentProvider}->{arg}, 'cs' ); |
| 524 |
my @found = keys %$firstnode; |
| 525 |
#my @diff = getDifference(\@found, \@required); |
| 526 |
my $diff = getDifference(\@required, \@found); |
| 527 |
#print Dumper(@found); |
| 528 |
#print Dumper(@required); |
| 529 |
#print Dumper(@diff); |
| 530 |
#if (!$#diff || $#diff == -1) { |
| 531 |
if (isEmpty($diff)) { |
| 532 |
$logger->warning( __PACKAGE__ . "->_prepareNode_MetaProperties: node is lacking meta properties - will try to alter..." ); |
| 533 |
foreach (@required) { |
| 534 |
my $sql = "ALTER TABLE $self->{meta}->{$descent}->{node} ADD COLUMN $_"; |
| 535 |
#print "sql: $sql", "\n"; |
| 536 |
my $res = $self->{meta}->{$descent}->{storage}->sendCommand($sql); |
| 537 |
#print Dumper($res->getStatus()); |
| 538 |
} |
| 539 |
} |
| 540 |
|
| 541 |
} |
| 542 |
|
| 543 |
sub _prepareNode_DummyIdent { |
| 544 |
my $self = shift; |
| 545 |
my $descent = shift; |
| 546 |
|
| 547 |
$logger->info( __PACKAGE__ . "->_prepareNode_DummyIdent( descent $descent )" ); |
| 548 |
|
| 549 |
my $list = $self->_getNodeList($descent); |
| 550 |
#print Dumper($list); |
| 551 |
my $i = 0; |
| 552 |
my $ident_base = 5678983; |
| 553 |
my $ident_appendix = '0001'; |
| 554 |
foreach my $node (@$list) { |
| 555 |
my $ident_dummy = $i + $ident_base; |
| 556 |
$ident_dummy .= $ident_appendix; |
| 557 |
my $map = { |
| 558 |
$self->{meta}->{$descent}->{IdentProvider}->{arg} => $ident_dummy, |
| 559 |
cs => undef, |
| 560 |
}; |
| 561 |
|
| 562 |
# diff lists and ... |
| 563 |
my $diff = getDifference([keys %$node], [keys %$map]); |
| 564 |
next if $#{$diff} == -1; |
| 565 |
|
| 566 |
# ... build criteria including all columns |
| 567 |
my @crits; |
| 568 |
foreach my $property (@$diff) { |
| 569 |
next if !$property; |
| 570 |
my $value = $node->{$property}; |
| 571 |
next if !$value; |
| 572 |
push @crits, "$property='" . quotesql($value) . "'"; |
| 573 |
} |
| 574 |
my $crit = join ' AND ', @crits; |
| 575 |
print "p" if $self->{verbose}; |
| 576 |
|
| 577 |
#print Dumper($map); |
| 578 |
#print Dumper($crit); |
| 579 |
|
| 580 |
$self->_modifyNode($descent, 'update', $map, $crit); |
| 581 |
$i++; |
| 582 |
} |
| 583 |
|
| 584 |
print "\n" if $self->{verbose}; |
| 585 |
|
| 586 |
if (!$i) { |
| 587 |
$logger->warning( __PACKAGE__ . "->_prepareNode_DummyIdent: no nodes touched" ); |
| 588 |
} |
| 589 |
|
| 590 |
} |
| 591 |
|
| 592 |
# TODO: handle this in an abstract way (wipe out use of 'source' and/or 'target' inside core) |
| 593 |
sub _otherSide { |
| 594 |
my $self = shift; |
| 595 |
my $descent = shift; |
| 596 |
return 'source' if $descent eq 'target'; |
| 597 |
return 'target' if $descent eq 'source'; |
| 598 |
return ''; |
| 599 |
} |
| 600 |
|
| 601 |
|
| 602 |
1; |
| 603 |
__END__ |
Parent Directory
| 
Revision Log
