| 1 |
############################################ |
| 2 |
# |
| 3 |
# $Id: Tangram.pm,v 1.14 2002/12/05 09:40:30 jonen Exp $ |
| 4 |
# |
| 5 |
# $Log: Tangram.pm,v $ |
| 6 |
# Revision 1.14 2002/12/05 09:40:30 jonen |
| 7 |
# + added option->{destroy} at getObject for unloading all instance |
| 8 |
# |
| 9 |
# Revision 1.13 2002/12/05 07:59:04 joko |
| 10 |
# + now using Tie::SecureHash as a base for the COREHANDLE |
| 11 |
# + former public COREHANDLE becomes private _COREHANDLE now |
| 12 |
# + sub getCOREHANDLE |
| 13 |
# |
| 14 |
# Revision 1.12 2002/12/04 11:34:49 joko |
| 15 |
# - $schema_tangram doesn't have to be in class? |
| 16 |
# |
| 17 |
# Revision 1.11 2002/12/04 08:54:08 jonen |
| 18 |
# + untested bugfix: undef($object) after transform to hash at getObjectAsHash |
| 19 |
# |
| 20 |
# Revision 1.10 2002/12/03 15:53:23 joko |
| 21 |
# + small bugfix regarding object hierarchy |
| 22 |
# |
| 23 |
# Revision 1.9 2002/12/03 05:29:40 joko |
| 24 |
# + sub getObject |
| 25 |
# + sub getObjectAsHash |
| 26 |
# |
| 27 |
# Revision 1.8 2002/12/01 22:25:51 joko |
| 28 |
# + now utilizing metadata from storage locator when connecting to DBI in "raw"-mode |
| 29 |
# |
| 30 |
# Revision 1.7 2002/12/01 04:46:19 joko |
| 31 |
# + sub eraseAll |
| 32 |
# |
| 33 |
# Revision 1.6 2002/11/29 05:02:30 joko |
| 34 |
# - sub getNewPerlObjectByPkgName (moved to libp.pm) |
| 35 |
# + sub getMetaInfo |
| 36 |
# - sub existsChildNode (moved to Abstract.pm) |
| 37 |
# + sub getListUnfiltered |
| 38 |
# + sub getListFiltered |
| 39 |
# + sub createCursor |
| 40 |
# + sub createSet |
| 41 |
# + sub sendQuery |
| 42 |
# |
| 43 |
# Revision 1.5 2002/11/17 06:35:18 joko |
| 44 |
# + locator metadata can now be reached via ->{locator} |
| 45 |
# - getChildNodes is now wrapped via COREHANDLE |
| 46 |
# |
| 47 |
# Revision 1.4 2002/10/25 11:44:44 joko |
| 48 |
# + sub _initSchema |
| 49 |
# + sub existsChildNode |
| 50 |
# + sub testIntegrity |
| 51 |
# + sub rebuildDbAndSchema |
| 52 |
# |
| 53 |
# Revision 1.3 2002/10/17 03:56:55 joko |
| 54 |
# + bugfix: trapped eval error |
| 55 |
# |
| 56 |
# Revision 1.2 2002/10/17 00:10:05 joko |
| 57 |
# + removed dependency from tsobj.pm, schema is now independent |
| 58 |
# + sub getNewPerlObjectByPkgName |
| 59 |
# + sub deploySchema |
| 60 |
# + sub retreatSchema |
| 61 |
# |
| 62 |
# Revision 1.1 2002/10/10 03:44:07 cvsjoko |
| 63 |
# + new |
| 64 |
# |
| 65 |
############################################ |
| 66 |
|
| 67 |
|
| 68 |
package Data::Storage::Handler::Tangram; |
| 69 |
|
| 70 |
use strict; |
| 71 |
use warnings; |
| 72 |
|
| 73 |
use base ("Data::Storage::Handler"); |
| 74 |
use base ("Data::Storage::Handler::Abstract"); |
| 75 |
|
| 76 |
use Tangram; |
| 77 |
use Data::Dumper; |
| 78 |
use libp qw( getNewPerlObjectByPkgName ); |
| 79 |
use Data::Storage::Result::Tangram; |
| 80 |
use Data::Compare::Struct qw( isEmpty ); |
| 81 |
use Data::Transform::Deep qw( object2hash ); |
| 82 |
use Data::Transform::Encode qw( var2utf8 ); |
| 83 |
|
| 84 |
|
| 85 |
# get logger instance |
| 86 |
my $logger = Log::Dispatch::Config->instance; |
| 87 |
|
| 88 |
|
| 89 |
# this holds the complete instantiated schema from tangram |
| 90 |
my $schema_tangram; |
| 91 |
|
| 92 |
sub getMetaInfo { |
| 93 |
my $self = shift; |
| 94 |
$logger->debug( __PACKAGE__ . "->getMetaInfo()" ); |
| 95 |
return { |
| 96 |
'disconnectMethod' => 'disconnect', |
| 97 |
}; |
| 98 |
} |
| 99 |
|
| 100 |
sub _initSchema { |
| 101 |
my $self = shift; |
| 102 |
$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
| 103 |
#if (!$schema_tangram) { |
| 104 |
my $obj = getNewPerlObjectByPkgName($self->{locator}->{schema}, { EXPORT_OBJECTS => $self->{locator}->{classnames}, want_transactions => $self->{locator}->{want_transactions} } ); |
| 105 |
$schema_tangram = $obj->getSchema(); |
| 106 |
#} |
| 107 |
if (!$schema_tangram) { |
| 108 |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
| 109 |
return 0; |
| 110 |
} |
| 111 |
return 1; |
| 112 |
} |
| 113 |
|
| 114 |
sub connect { |
| 115 |
|
| 116 |
my $self = shift; |
| 117 |
|
| 118 |
my $dsn = shift; |
| 119 |
$dsn ||= $self->{locator}->{dbi}->{dsn}; |
| 120 |
|
| 121 |
$logger->debug( __PACKAGE__ . "->connect( dsn $dsn )" ); |
| 122 |
|
| 123 |
#my $storage = Tangram::Relational->connect( $schema, $dsn ); |
| 124 |
#my $storage = Tangram::mysql->connect( $schema, $dsn ); |
| 125 |
#$storage = Tangram::Relational->connect( Project->schema, $dsn ); |
| 126 |
|
| 127 |
# if (!testDsn($dsn)) { |
| 128 |
# croak("Database at \"$dsn\" is not available"); |
| 129 |
# return; |
| 130 |
# } |
| 131 |
|
| 132 |
return unless $self->_initSchema(); |
| 133 |
|
| 134 |
# create the main tangram storage object |
| 135 |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
| 136 |
$self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
| 137 |
|
| 138 |
#print "connect", "\n"; |
| 139 |
#my $core = $self->{_COREHANDLE}; |
| 140 |
#print Dumper($core); |
| 141 |
|
| 142 |
# some attempts for configuring the wrapped underlying dbi..... |
| 143 |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
| 144 |
#$self->{STORAGEHANDLE_UNDERLYING}->_configureCOREHANDLE(); |
| 145 |
#$self->_configureUnderlyingStorage; |
| 146 |
|
| 147 |
# ..... encapsulation wins! |
| 148 |
$self->configureCOREHANDLE(); |
| 149 |
|
| 150 |
$self->{locator}->{status}->{connected} = 1; |
| 151 |
|
| 152 |
return 1; |
| 153 |
|
| 154 |
} |
| 155 |
|
| 156 |
sub getChildNodes { |
| 157 |
|
| 158 |
my $self = shift; |
| 159 |
my @nodes; |
| 160 |
|
| 161 |
$logger->debug( __PACKAGE__ . "->getChildNodes()" ); |
| 162 |
|
| 163 |
# create new DBI - Data::Storage - object from already connected DBI::db - handle inside the current COREHANDLE |
| 164 |
#my $loc = new Data::Storage::Locator( type => "DBI", dbi => { db => $self->{COREHANDLE}->{db} }); |
| 165 |
#my $loc = new Data::Storage::Locator( type => "DBI", COREHANDLE => $self->{COREHANDLE}->{db} ); |
| 166 |
|
| 167 |
# todo: should we retrieve information from the schema here |
| 168 |
# rather than poorly getting table names from underlying dbi? |
| 169 |
my $storage = $self->_getSubLayerHandle(); |
| 170 |
@nodes = @{$storage->getChildNodes()}; |
| 171 |
#$storage->_configureCOREHANDLE(); |
| 172 |
#print "getchildnodes\n"; |
| 173 |
#print Dumper($self); |
| 174 |
#if (my $result = $self->sendCommand( 'SHOW TABLES;' ) ) { |
| 175 |
|
| 176 |
# TODO: REVIEW |
| 177 |
#$storage->disconnect(); |
| 178 |
|
| 179 |
$self->{meta}->{childnodes} = \@nodes; |
| 180 |
|
| 181 |
return \@nodes; |
| 182 |
|
| 183 |
} |
| 184 |
|
| 185 |
|
| 186 |
sub testIntegrity { |
| 187 |
|
| 188 |
my $self = shift; |
| 189 |
|
| 190 |
$logger->debug( __PACKAGE__ . "->testIntegrity()" ); |
| 191 |
|
| 192 |
# 1st test: are there tables? |
| 193 |
if (!$self->getChildNodes()) { |
| 194 |
$logger->warning( __PACKAGE__ . "->testIntegrity no childnodes exist" ); |
| 195 |
return; |
| 196 |
} |
| 197 |
|
| 198 |
# 2nd test: is there a table named "Tangram"? |
| 199 |
if (!$self->existsChildNode("Tangram")) { |
| 200 |
$logger->warning( __PACKAGE__ . "->testIntegrity childnode \"Tangram\" doesn't exist" ); |
| 201 |
return; |
| 202 |
} |
| 203 |
|
| 204 |
$self->{locator}->{status}->{integrity} = 1; |
| 205 |
return 1; |
| 206 |
|
| 207 |
} |
| 208 |
|
| 209 |
|
| 210 |
sub _getSubLayerHandle { |
| 211 |
|
| 212 |
my $self = shift; |
| 213 |
|
| 214 |
$logger->debug( __PACKAGE__ . "->_getSubLayerHandle()" ); |
| 215 |
|
| 216 |
#print Dumper($self); |
| 217 |
|
| 218 |
# hack, make more generic! |
| 219 |
if (!$self->{dataStorageLayer}) { |
| 220 |
$logger->debug( __PACKAGE__ . "->_getSubLayerHandle() creating new dataStorageLayer" ); |
| 221 |
#my $loc = Data::Storage::Locator->new( type => "DBI", dbi => $self->{dbi}, COREHANDLE => $self->{COREHANDLE}->{db} ); |
| 222 |
my $loc = Data::Storage::Locator->new( { type => "DBI", dbi => $self->{locator}->{dbi} } ); |
| 223 |
$self->{dataStorageLayer} = Data::Storage->new( $loc, { protected => 1 } ); |
| 224 |
#$self->{STORAGE_UNDER_THE_HOOD}->{STORAGEHANDLE}->_configureCOREHANDLE(); |
| 225 |
#$self->{STORAGE_UNDER_THE_HOOD}->_configureCOREHANDLE(); |
| 226 |
} |
| 227 |
|
| 228 |
#print Dumper($self->{STORAGE_UNDER_THE_HOOD}); |
| 229 |
|
| 230 |
return $self->{dataStorageLayer}; |
| 231 |
|
| 232 |
} |
| 233 |
|
| 234 |
sub _configureUnderlyingStorage { |
| 235 |
|
| 236 |
my $self = shift; |
| 237 |
|
| 238 |
$logger->debug( __PACKAGE__ . "->_configureUnderlyingStorage" ); |
| 239 |
|
| 240 |
$self->_configureCOREHANDLE_DBI(); |
| 241 |
return; |
| 242 |
|
| 243 |
foreach my $key (keys %{$self->{dbi}}) { |
| 244 |
my $val = $self->{dbi}->{$key}; |
| 245 |
print "entry: $key; $val", "\n"; |
| 246 |
$self->{_COREHANDLE}->{db}->{$key} = $val; |
| 247 |
} |
| 248 |
#print Dumper($self->{COREHANDLE}->{db}); |
| 249 |
} |
| 250 |
|
| 251 |
|
| 252 |
sub configureCOREHANDLE { |
| 253 |
|
| 254 |
my $self = shift; |
| 255 |
|
| 256 |
$logger->debug( __PACKAGE__ . "->configureCOREHANDLE" ); |
| 257 |
|
| 258 |
#my $subLayer = $self->_getSubLayerHandle(); |
| 259 |
|
| 260 |
# apply configured modifications |
| 261 |
if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
| 262 |
$self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
| 263 |
} |
| 264 |
if (exists $self->{dbi}->{RaiseError}) { |
| 265 |
$self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
| 266 |
} |
| 267 |
if (exists $self->{dbi}->{PrintError}) { |
| 268 |
$self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
| 269 |
} |
| 270 |
if (exists $self->{dbi}->{HandleError}) { |
| 271 |
$self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
| 272 |
} |
| 273 |
|
| 274 |
} |
| 275 |
|
| 276 |
sub deploySchema { |
| 277 |
my $self = shift; |
| 278 |
my $args = shift; |
| 279 |
|
| 280 |
my $dsn = $self->{locator}->{dbi}->{dsn}; |
| 281 |
|
| 282 |
$logger->debug( __PACKAGE__ . "->deploySchema( dsn $dsn )" ); |
| 283 |
|
| 284 |
my $ok; |
| 285 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
| 286 |
return unless $self->_initSchema(); |
| 287 |
$ok = Tangram::Relational->deploy($schema_tangram, $dbh ); |
| 288 |
$dbh->disconnect(); |
| 289 |
} |
| 290 |
return $ok; |
| 291 |
} |
| 292 |
|
| 293 |
sub retreatSchema { |
| 294 |
|
| 295 |
my $self = shift; |
| 296 |
my $dsn = $self->{locator}->{dbi}->{dsn}; |
| 297 |
|
| 298 |
$logger->debug( __PACKAGE__ . "->retreatSchema( dsn $dsn )" ); |
| 299 |
|
| 300 |
my $ok; |
| 301 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
| 302 |
|
| 303 |
return unless $self->_initSchema(); |
| 304 |
|
| 305 |
#use Data::Dumper; print Dumper($self); |
| 306 |
$self->{dataStorageLayer}->removeLogDispatchHandler("Tangram11"); |
| 307 |
|
| 308 |
$ok = Tangram::Relational->retreat($schema_tangram, $dbh ); |
| 309 |
|
| 310 |
# answer "$ok=2" means "maybe" for now - we have to patch this to a constant here because... |
| 311 |
# - ... Tangram::Relational->retreat doesn't seem to return a valid status |
| 312 |
# - possible improvement: |
| 313 |
# - test this by checking for count of tables in database |
| 314 |
# - problem with this: there may be some left not having been included to the schema |
| 315 |
# - maybe better: use "->getChildNodes"? |
| 316 |
$ok = 2; |
| 317 |
|
| 318 |
$dbh->disconnect(); |
| 319 |
|
| 320 |
} |
| 321 |
return $ok; |
| 322 |
} |
| 323 |
|
| 324 |
sub rebuildDbAndSchema { |
| 325 |
my $self = shift; |
| 326 |
$logger->info( __PACKAGE__ . "->rebuildDbAndSchema()" ); |
| 327 |
my @results; |
| 328 |
|
| 329 |
# sum up results (bool (0/1)) in array |
| 330 |
push @results, $self->retreatSchema(); |
| 331 |
push @results, $self->{dataStorageLayer}->dropDb(); |
| 332 |
push @results, $self->{dataStorageLayer}->createDb(); |
| 333 |
push @results, $self->deploySchema(); |
| 334 |
|
| 335 |
# scan array for "bad ones" |
| 336 |
my $res = 1; |
| 337 |
map { |
| 338 |
$res = 0 if (!$_); |
| 339 |
} @results; |
| 340 |
|
| 341 |
return $res; |
| 342 |
} |
| 343 |
|
| 344 |
sub getListUnfiltered { |
| 345 |
my $self = shift; |
| 346 |
my $nodename = shift; |
| 347 |
my @results; |
| 348 |
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
| 349 |
# get set of objects from odbms by object name |
| 350 |
my $object_set = $self->{_COREHANDLE}->remote($nodename); |
| 351 |
@results = $self->{_COREHANDLE}->select($object_set); |
| 352 |
return \@results; |
| 353 |
} |
| 354 |
|
| 355 |
sub getListFiltered { |
| 356 |
my $self = shift; |
| 357 |
|
| 358 |
# redirect to unfiltered mode |
| 359 |
#return $self->getListUnfiltered(@_); |
| 360 |
|
| 361 |
my $nodename = shift; |
| 362 |
my $filters = shift; |
| 363 |
my @results; |
| 364 |
$logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" ); |
| 365 |
|
| 366 |
#print Dumper($filters); |
| 367 |
|
| 368 |
my @tfilters; |
| 369 |
|
| 370 |
foreach my $filter (@$filters) { |
| 371 |
|
| 372 |
# get filter - TODO: for each filter |
| 373 |
#my $filter = $filters->[0]; |
| 374 |
|
| 375 |
# build filter |
| 376 |
my $lexpr = $filter->{key}; |
| 377 |
#my $op = $filter->{op}; |
| 378 |
my $op = '='; |
| 379 |
my $rexpr = $filter->{val}; |
| 380 |
my $tight = 100; |
| 381 |
|
| 382 |
# my $tfilter = Tangram::Filter->new( |
| 383 |
# expr => "t1.$lexpr $op '$rexpr'", |
| 384 |
# tight => $tight, |
| 385 |
# objects => $objects, |
| 386 |
# ); |
| 387 |
|
| 388 |
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
| 389 |
push @tfilters, '$remote->{' . $filter->{key} . '}' . " $filter->{op} '$filter->{val}'"; |
| 390 |
|
| 391 |
} |
| 392 |
|
| 393 |
my $tfilter = join(' & ', @tfilters); |
| 394 |
|
| 395 |
# get set of objects from odbms by object name |
| 396 |
my $remote = $self->{_COREHANDLE}->remote($nodename); |
| 397 |
|
| 398 |
# was: |
| 399 |
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
| 400 |
|
| 401 |
# is: |
| 402 |
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
| 403 |
my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');'; |
| 404 |
|
| 405 |
# get filtered list/set |
| 406 |
@results = eval($evalstring); |
| 407 |
die $@ if $@; |
| 408 |
|
| 409 |
return \@results; |
| 410 |
} |
| 411 |
|
| 412 |
sub createCursor { |
| 413 |
my $self = shift; |
| 414 |
my $node = shift; |
| 415 |
my $cmdHandle = $self->{_COREHANDLE}->cursor($node); |
| 416 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
| 417 |
return $result; |
| 418 |
} |
| 419 |
|
| 420 |
sub createSet { |
| 421 |
my $self = shift; |
| 422 |
my @objects = @_; |
| 423 |
my $rh = Set::Object->new(); |
| 424 |
foreach (@objects) { |
| 425 |
#print Dumper($_); |
| 426 |
$rh->insert($_) if !isEmpty($_); |
| 427 |
} |
| 428 |
#print Dumper($rh->members()); |
| 429 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
| 430 |
return $result; |
| 431 |
} |
| 432 |
|
| 433 |
sub sendQuery { |
| 434 |
my $self = shift; |
| 435 |
my $query = shift; |
| 436 |
#my $sql = "SELECT cs FROM $self->{metainfo}->{$descent}->{node} WHERE $self->{metainfo}->{$descent}->{IdentProvider}->{arg}='$self->{entry}->{source}->{ident}';"; |
| 437 |
#my $result = $self->{metainfo}->{$descent}->{storage}->sendCommand($sql); |
| 438 |
|
| 439 |
#print Dumper($query); |
| 440 |
|
| 441 |
# HACK: special case: querying by id does not translate into a common tangram query |
| 442 |
# just load the object by given id(ent) |
| 443 |
if ($query->{criterias}->[0]->{key} eq 'id' && $query->{criterias}->[0]->{op} eq 'eq') { |
| 444 |
#print "LOAD!!!", "\n"; |
| 445 |
#exit; |
| 446 |
#return Set::Object->new( $self->{COREHANDLE}->load($query->{criterias}->[0]->{val}) ); |
| 447 |
my $ident = $query->{criterias}->[0]->{val}; |
| 448 |
#print "load obj", "\n"; |
| 449 |
#return $self->createSet() if $ident == 5; |
| 450 |
my $object = $self->{_COREHANDLE}->load($ident); |
| 451 |
#print "get id", "\n"; |
| 452 |
my $oid = $self->{_COREHANDLE}->id($object); |
| 453 |
return $self->createSet($object); |
| 454 |
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
| 455 |
} |
| 456 |
|
| 457 |
die("This should not be reached for now - redirect to \$self->getListFiltered() here!"); |
| 458 |
|
| 459 |
# TODO: do a common tangram query here |
| 460 |
|
| 461 |
my @crits; |
| 462 |
foreach (@{$query->{criterias}}) { |
| 463 |
my $op = ''; |
| 464 |
$op = '=' if lc $_->{op} eq 'eq'; |
| 465 |
push @crits, "$_->{key}$op'$_->{val}'"; |
| 466 |
} |
| 467 |
my $subnodes = {}; |
| 468 |
map { $subnodes->{$_}++ } @{$query->{subnodes}}; |
| 469 |
# HACK: this is hardcoded ;( expand possibilities! |
| 470 |
#my $crit = join(' AND ', @crits); |
| 471 |
#my $sql = hash2Sql($query->{node}, $subnodes, 'SELECT', $crit); |
| 472 |
#return $self->sendCommand($sql); |
| 473 |
#my $h = $self->{COREHANDLE}->remote($query->{node}); |
| 474 |
#my $res = $self->{COREHANDLE}->select($h, $h->{); |
| 475 |
return $self->createCursor($query->{node}); |
| 476 |
} |
| 477 |
|
| 478 |
sub eraseAll { |
| 479 |
my $self = shift; |
| 480 |
my $classname = shift; |
| 481 |
my $remote = $self->{_COREHANDLE}->remote($classname); |
| 482 |
my @objs = $self->{_COREHANDLE}->select($remote); |
| 483 |
$self->{_COREHANDLE}->erase(@objs); |
| 484 |
} |
| 485 |
|
| 486 |
sub createDb { |
| 487 |
my $self = shift; |
| 488 |
my $storage = $self->_getSubLayerHandle(); |
| 489 |
return $storage->createDb(); |
| 490 |
} |
| 491 |
|
| 492 |
sub getObject { |
| 493 |
my $self = shift; |
| 494 |
my $oid = shift; |
| 495 |
my $options = shift; |
| 496 |
# TODO: create a deep_unload method |
| 497 |
# unload($oid) will only unload object, not deep object hashes |
| 498 |
$self->{_COREHANDLE}->unload() if($options->{destroy}); |
| 499 |
# TODO: review this |
| 500 |
#if (!$self->{COREHANDLE}) { return; } |
| 501 |
return $self->{_COREHANDLE}->load($oid); |
| 502 |
} |
| 503 |
|
| 504 |
sub getObjectAsHash { |
| 505 |
my $self = shift; |
| 506 |
my $oid = shift; |
| 507 |
my $options = shift; |
| 508 |
my $obj = $self->getObject($oid, $options); |
| 509 |
|
| 510 |
# build options (a callback to unload autovivified objects) for 'expand' |
| 511 |
# TODO: use $logger to write to debug here! |
| 512 |
my $cb; # = sub {}; |
| 513 |
=pod |
| 514 |
if ($options->{destroy}) { |
| 515 |
$options->{cb}->{destroy} = sub { |
| 516 |
print "================ DESTROY", "\n"; |
| 517 |
my $object = shift; |
| 518 |
#print Dumper($object); |
| 519 |
$self->{_COREHANDLE}->unload($object); |
| 520 |
#undef($object); |
| 521 |
}; |
| 522 |
} |
| 523 |
=cut |
| 524 |
|
| 525 |
my $hash = object2hash($obj, $options); |
| 526 |
#$options->{cb}->{destroy}->($obj); |
| 527 |
#$self->{_COREHANDLE}->unload($obj); |
| 528 |
|
| 529 |
# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
| 530 |
# now done in object2hash |
| 531 |
#var2utf8($hash) if ($options->{utf8}); |
| 532 |
|
| 533 |
# old (wrong) attempts to get rid of used instances, if requested |
| 534 |
#$obj->clear_refs; |
| 535 |
#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
| 536 |
#$obj->DESTROY; |
| 537 |
#undef($obj) if($options->{destroy}); |
| 538 |
|
| 539 |
return $hash; |
| 540 |
} |
| 541 |
|
| 542 |
sub getSchema { |
| 543 |
return $schema_tangram; |
| 544 |
} |
| 545 |
|
| 546 |
sub getCOREHANDLE { |
| 547 |
my $self = shift; |
| 548 |
return $self->{_COREHANDLE}; |
| 549 |
} |
| 550 |
|
| 551 |
1; |
Parent Directory
| 
Revision Log
