3 |
# $Id$ |
# $Id$ |
4 |
# |
# |
5 |
# $Log$ |
# $Log$ |
6 |
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# Revision 1.23 2002/12/19 16:31:53 joko |
7 |
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# +- renamed sub to 'rebuildDb' |
8 |
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# |
9 |
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# Revision 1.22 2002/12/18 22:28:16 jonen |
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# + added extended logging at 'getObjectByGuid()' |
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# |
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# Revision 1.21 2002/12/16 22:20:49 jonen |
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# + fixed bug at 'getObjectByGuid()' |
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# |
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# Revision 1.20 2002/12/16 20:49:17 jonen |
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# + added sub 'getObjectByGuid()' |
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# + added functionality to use 'getObjectByGuid' at 'getObjectAsHash()' |
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# |
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# Revision 1.19 2002/12/16 06:46:09 joko |
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# + attempt to introduce a generic '_patchSchema' - cancelled! |
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# |
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# Revision 1.18 2002/12/13 21:48:07 joko |
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# + fix to 'sub sendQuery' |
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# |
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# Revision 1.17 2002/12/12 02:51:09 joko |
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# + cosmetics |
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# |
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# Revision 1.16 2002/12/11 06:54:10 joko |
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# + fix: encapsulated object-loading inside an 'eval' |
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# |
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# Revision 1.15 2002/12/05 13:55:21 joko |
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# + now utilizing 'object2hash' instead of 'var_deref' |
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# + played around with having fresh-objects - no progress.... |
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# |
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# Revision 1.14 2002/12/05 09:40:30 jonen |
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# + added option->{destroy} at getObject for unloading all instance |
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# |
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# Revision 1.13 2002/12/05 07:59:04 joko |
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# + now using Tie::SecureHash as a base for the COREHANDLE |
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# + former public COREHANDLE becomes private _COREHANDLE now |
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# + sub getCOREHANDLE |
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# |
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# Revision 1.12 2002/12/04 11:34:49 joko |
# Revision 1.12 2002/12/04 11:34:49 joko |
44 |
# - $schema_tangram doesn't have to be in class? |
# - $schema_tangram doesn't have to be in class? |
45 |
# |
# |
99 |
use strict; |
use strict; |
100 |
use warnings; |
use warnings; |
101 |
|
|
102 |
|
use base ("Data::Storage::Handler"); |
103 |
use base ("Data::Storage::Handler::Abstract"); |
use base ("Data::Storage::Handler::Abstract"); |
104 |
|
|
105 |
use Tangram; |
use Tangram; |
107 |
use libp qw( getNewPerlObjectByPkgName ); |
use libp qw( getNewPerlObjectByPkgName ); |
108 |
use Data::Storage::Result::Tangram; |
use Data::Storage::Result::Tangram; |
109 |
use Data::Compare::Struct qw( isEmpty ); |
use Data::Compare::Struct qw( isEmpty ); |
110 |
use Data::Transform::Deep qw( var_deref ); |
use Data::Transform::Deep qw( object2hash ); |
111 |
use Data::Transform::Encode qw( var2utf8 ); |
use Data::Transform::Encode qw( var2utf8 ); |
112 |
|
|
113 |
|
|
137 |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
138 |
return 0; |
return 0; |
139 |
} |
} |
140 |
|
#$self->_patchSchema(); |
141 |
return 1; |
return 1; |
142 |
} |
} |
143 |
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|
144 |
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sub _patchSchema { |
145 |
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my $self = shift; |
146 |
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foreach (keys %{$schema_tangram->{classes}}) { |
147 |
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next if $schema_tangram->{classes}->{$_}->{abstract}; |
148 |
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#next if ($_ ne 'TsBankAccount'); |
149 |
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#$_ ne 'AbstractAccount' && |
150 |
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print "class: $_", "\n"; |
151 |
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#print Dumper($schema_tangram->{classes}->{$_}); |
152 |
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# create new string property named 'guid' |
153 |
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my $tstring = Tangram::String->new(); |
154 |
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$tstring->{name} = $tstring->{col} = 'guid'; |
155 |
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# inject property into schema |
156 |
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#$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring; |
157 |
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print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}); |
158 |
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} |
159 |
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} |
160 |
|
|
161 |
sub connect { |
sub connect { |
162 |
|
|
163 |
my $self = shift; |
my $self = shift; |
180 |
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|
181 |
# create the main tangram storage object |
# create the main tangram storage object |
182 |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
183 |
$self->{COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
$self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
184 |
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|
185 |
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#print "connect", "\n"; |
186 |
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#my $core = $self->{_COREHANDLE}; |
187 |
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#print Dumper($core); |
188 |
|
|
189 |
# some attempts for configuring the wrapped underlying dbi..... |
# some attempts for configuring the wrapped underlying dbi..... |
190 |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
290 |
foreach my $key (keys %{$self->{dbi}}) { |
foreach my $key (keys %{$self->{dbi}}) { |
291 |
my $val = $self->{dbi}->{$key}; |
my $val = $self->{dbi}->{$key}; |
292 |
print "entry: $key; $val", "\n"; |
print "entry: $key; $val", "\n"; |
293 |
$self->{COREHANDLE}->{db}->{$key} = $val; |
$self->{_COREHANDLE}->{db}->{$key} = $val; |
294 |
} |
} |
295 |
#print Dumper($self->{COREHANDLE}->{db}); |
#print Dumper($self->{COREHANDLE}->{db}); |
296 |
} |
} |
306 |
|
|
307 |
# apply configured modifications |
# apply configured modifications |
308 |
if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
309 |
$self->{COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
$self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
310 |
} |
} |
311 |
if (exists $self->{dbi}->{RaiseError}) { |
if (exists $self->{dbi}->{RaiseError}) { |
312 |
$self->{COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
$self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
313 |
} |
} |
314 |
if (exists $self->{dbi}->{PrintError}) { |
if (exists $self->{dbi}->{PrintError}) { |
315 |
$self->{COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
$self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
316 |
} |
} |
317 |
if (exists $self->{dbi}->{HandleError}) { |
if (exists $self->{dbi}->{HandleError}) { |
318 |
$self->{COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
$self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
319 |
} |
} |
320 |
|
|
321 |
} |
} |
368 |
return $ok; |
return $ok; |
369 |
} |
} |
370 |
|
|
371 |
sub rebuildDbAndSchema { |
sub rebuildDb { |
372 |
my $self = shift; |
my $self = shift; |
373 |
$logger->info( __PACKAGE__ . "->rebuildDbAndSchema()" ); |
$logger->info( __PACKAGE__ . "->rebuildDb()" ); |
374 |
my @results; |
my @results; |
375 |
|
|
376 |
# sum up results (bool (0/1)) in array |
# sum up results (bool (0/1)) in array |
394 |
my @results; |
my @results; |
395 |
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
396 |
# get set of objects from odbms by object name |
# get set of objects from odbms by object name |
397 |
my $object_set = $self->{COREHANDLE}->remote($nodename); |
my $object_set = $self->{_COREHANDLE}->remote($nodename); |
398 |
@results = $self->{COREHANDLE}->select($object_set); |
@results = $self->{_COREHANDLE}->select($object_set); |
399 |
return \@results; |
return \@results; |
400 |
} |
} |
401 |
|
|
440 |
my $tfilter = join(' & ', @tfilters); |
my $tfilter = join(' & ', @tfilters); |
441 |
|
|
442 |
# get set of objects from odbms by object name |
# get set of objects from odbms by object name |
443 |
my $remote = $self->{COREHANDLE}->remote($nodename); |
my $remote = $self->{_COREHANDLE}->remote($nodename); |
444 |
|
|
445 |
# was: |
# was: |
446 |
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
447 |
|
|
448 |
# is: |
# is: |
449 |
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
450 |
my $evalstring = 'return $self->{COREHANDLE}->select($remote, ' . $tfilter . ');'; |
my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');'; |
451 |
|
|
452 |
# get filtered list/set |
# get filtered list/set |
453 |
@results = eval($evalstring); |
@results = eval($evalstring); |
459 |
sub createCursor { |
sub createCursor { |
460 |
my $self = shift; |
my $self = shift; |
461 |
my $node = shift; |
my $node = shift; |
462 |
my $cmdHandle = $self->{COREHANDLE}->cursor($node); |
my $cmdHandle = $self->{_COREHANDLE}->cursor($node); |
463 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
464 |
return $result; |
return $result; |
465 |
} |
} |
466 |
|
|
467 |
sub createSet { |
sub createSet { |
468 |
my $self = shift; |
my $self = shift; |
469 |
|
#print "-" x 80, "\n"; |
470 |
|
#print Dumper(@_); |
471 |
my @objects = @_; |
my @objects = @_; |
472 |
my $rh = Set::Object->new(); |
my $rh = Set::Object->new(); |
473 |
foreach (@objects) { |
foreach (@objects) { |
474 |
#print Dumper($_); |
if (!isEmpty($_)) { |
475 |
$rh->insert($_) if !isEmpty($_); |
#print Dumper($_); |
476 |
|
$rh->insert($_); |
477 |
|
} |
478 |
} |
} |
479 |
#print Dumper($rh->members()); |
#print Dumper($rh->members()); |
480 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
498 |
my $ident = $query->{criterias}->[0]->{val}; |
my $ident = $query->{criterias}->[0]->{val}; |
499 |
#print "load obj", "\n"; |
#print "load obj", "\n"; |
500 |
#return $self->createSet() if $ident == 5; |
#return $self->createSet() if $ident == 5; |
501 |
my $object = $self->{COREHANDLE}->load($ident); |
$self->{_COREHANDLE}->unload($ident); |
502 |
|
my $object = $self->{_COREHANDLE}->load($ident); |
503 |
#print "get id", "\n"; |
#print "get id", "\n"; |
504 |
my $oid = $self->{COREHANDLE}->id($object); |
my $oid = $self->{_COREHANDLE}->id($object); |
505 |
|
#print Dumper($object); |
506 |
|
#print "oid: $oid", "\n"; |
507 |
return $self->createSet($object); |
return $self->createSet($object); |
508 |
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
509 |
} |
} |
532 |
sub eraseAll { |
sub eraseAll { |
533 |
my $self = shift; |
my $self = shift; |
534 |
my $classname = shift; |
my $classname = shift; |
535 |
my $remote = $self->{COREHANDLE}->remote($classname); |
my $remote = $self->{_COREHANDLE}->remote($classname); |
536 |
my @objs = $self->{COREHANDLE}->select($remote); |
my @objs = $self->{_COREHANDLE}->select($remote); |
537 |
$self->{COREHANDLE}->erase(@objs); |
$self->{_COREHANDLE}->erase(@objs); |
538 |
} |
} |
539 |
|
|
540 |
sub createDb { |
sub createDb { |
546 |
sub getObject { |
sub getObject { |
547 |
my $self = shift; |
my $self = shift; |
548 |
my $oid = shift; |
my $oid = shift; |
549 |
|
my $options = shift; |
550 |
|
|
551 |
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
552 |
|
# unload($oid) will only unload object, not deep object hashes |
553 |
|
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
554 |
|
|
555 |
# TODO: review this |
# TODO: review this |
556 |
#if (!$self->{COREHANDLE}) { return; } |
#if (!$self->{COREHANDLE}) { return; } |
557 |
return $self->{COREHANDLE}->load($oid); |
|
558 |
|
# TODO: review this |
559 |
|
my $object = eval('$self->{_COREHANDLE}->load($oid);'); |
560 |
|
print $@, "\n" if $@; |
561 |
|
|
562 |
|
return $object if $object; |
563 |
|
} |
564 |
|
|
565 |
|
sub getObjectByGuid { |
566 |
|
my $self = shift; |
567 |
|
my $guid = shift; |
568 |
|
my $options = shift; |
569 |
|
|
570 |
|
# Guid and Classname is needed |
571 |
|
if(!$guid || !$options->{classname}) { |
572 |
|
$logger->error( __PACKAGE__ . "->getObjectByGuid: No 'guid' OR no Classname in options hash was given but needed!" ); |
573 |
|
return; |
574 |
|
} |
575 |
|
|
576 |
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
577 |
|
# unload($oid) will only unload object, not deep object hashes |
578 |
|
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
579 |
|
|
580 |
|
# search for object with given Classname and Guid |
581 |
|
my $obj_tmp = $self->{_COREHANDLE}->remote($options->{classname}); |
582 |
|
my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid); |
583 |
|
|
584 |
|
# we searched for global unique identifer of some object, |
585 |
|
# so I think we can trust there would be only one result |
586 |
|
if($result[0]) { |
587 |
|
return $result[0]; |
588 |
|
} else { |
589 |
|
$logger->error( __PACKAGE__ . "->getObjectByGuid: No Object with Classname $options->{classname} and GUID $guid found!" ); |
590 |
|
return; |
591 |
|
} |
592 |
|
|
593 |
} |
} |
594 |
|
|
595 |
sub getObjectAsHash { |
sub getObjectAsHash { |
596 |
my $self = shift; |
my $self = shift; |
597 |
my $oid = shift; |
my $oid = shift; |
598 |
my $options = shift; |
my $options = shift; |
599 |
my $obj = $self->getObject($oid); |
my $obj; |
600 |
my $deref = var_deref($obj); |
|
601 |
var2utf8($deref) if ($options->{utf8}); |
if($options->{guid}) { |
602 |
undef($obj) if($options->{destroy}); |
$obj = $self->getObjectByGuid($oid, $options); |
603 |
return $deref; |
} else { |
604 |
|
$obj = $self->getObject($oid, $options); |
605 |
|
} |
606 |
|
|
607 |
|
# build options (a callback to unload autovivified objects) for 'expand' |
608 |
|
# TODO: use $logger to write to debug here! |
609 |
|
my $cb; # = sub {}; |
610 |
|
=pod |
611 |
|
if ($options->{destroy}) { |
612 |
|
$options->{cb}->{destroy} = sub { |
613 |
|
print "================ DESTROY", "\n"; |
614 |
|
my $object = shift; |
615 |
|
#print Dumper($object); |
616 |
|
$self->{_COREHANDLE}->unload($object); |
617 |
|
#undef($object); |
618 |
|
}; |
619 |
|
} |
620 |
|
=cut |
621 |
|
|
622 |
|
my $hash = object2hash($obj, $options); |
623 |
|
#$options->{cb}->{destroy}->($obj); |
624 |
|
#$self->{_COREHANDLE}->unload($obj); |
625 |
|
|
626 |
|
# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
627 |
|
# now done in object2hash |
628 |
|
#var2utf8($hash) if ($options->{utf8}); |
629 |
|
|
630 |
|
# old (wrong) attempts to get rid of used instances, if requested |
631 |
|
#$obj->clear_refs; |
632 |
|
#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
633 |
|
#$obj->DESTROY; |
634 |
|
#undef($obj) if($options->{destroy}); |
635 |
|
|
636 |
|
return $hash; |
637 |
} |
} |
638 |
|
|
639 |
sub getSchema { |
sub getSchema { |
640 |
return $schema_tangram; |
return $schema_tangram; |
641 |
} |
} |
642 |
|
|
643 |
|
sub getCOREHANDLE { |
644 |
|
my $self = shift; |
645 |
|
return $self->{_COREHANDLE}; |
646 |
|
} |
647 |
|
|
648 |
1; |
1; |