3 |
# $Id$ |
# $Id$ |
4 |
# |
# |
5 |
# $Log$ |
# $Log$ |
6 |
|
# Revision 1.19 2002/12/16 06:46:09 joko |
7 |
|
# + attempt to introduce a generic '_patchSchema' - cancelled! |
8 |
|
# |
9 |
|
# Revision 1.18 2002/12/13 21:48:07 joko |
10 |
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# + fix to 'sub sendQuery' |
11 |
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# |
12 |
|
# Revision 1.17 2002/12/12 02:51:09 joko |
13 |
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# + cosmetics |
14 |
|
# |
15 |
|
# Revision 1.16 2002/12/11 06:54:10 joko |
16 |
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# + fix: encapsulated object-loading inside an 'eval' |
17 |
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# |
18 |
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# Revision 1.15 2002/12/05 13:55:21 joko |
19 |
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# + now utilizing 'object2hash' instead of 'var_deref' |
20 |
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# + played around with having fresh-objects - no progress.... |
21 |
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# |
22 |
|
# Revision 1.14 2002/12/05 09:40:30 jonen |
23 |
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# + added option->{destroy} at getObject for unloading all instance |
24 |
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# |
25 |
|
# Revision 1.13 2002/12/05 07:59:04 joko |
26 |
|
# + now using Tie::SecureHash as a base for the COREHANDLE |
27 |
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# + former public COREHANDLE becomes private _COREHANDLE now |
28 |
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# + sub getCOREHANDLE |
29 |
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# |
30 |
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# Revision 1.12 2002/12/04 11:34:49 joko |
31 |
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# - $schema_tangram doesn't have to be in class? |
32 |
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# |
33 |
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# Revision 1.11 2002/12/04 08:54:08 jonen |
34 |
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# + untested bugfix: undef($object) after transform to hash at getObjectAsHash |
35 |
|
# |
36 |
# Revision 1.10 2002/12/03 15:53:23 joko |
# Revision 1.10 2002/12/03 15:53:23 joko |
37 |
# + small bugfix regarding object hierarchy |
# + small bugfix regarding object hierarchy |
38 |
# |
# |
86 |
use strict; |
use strict; |
87 |
use warnings; |
use warnings; |
88 |
|
|
89 |
|
use base ("Data::Storage::Handler"); |
90 |
use base ("Data::Storage::Handler::Abstract"); |
use base ("Data::Storage::Handler::Abstract"); |
91 |
|
|
92 |
use Tangram; |
use Tangram; |
94 |
use libp qw( getNewPerlObjectByPkgName ); |
use libp qw( getNewPerlObjectByPkgName ); |
95 |
use Data::Storage::Result::Tangram; |
use Data::Storage::Result::Tangram; |
96 |
use Data::Compare::Struct qw( isEmpty ); |
use Data::Compare::Struct qw( isEmpty ); |
97 |
use Data::Transform::Deep qw( var_deref ); |
use Data::Transform::Deep qw( object2hash ); |
98 |
use Data::Transform::Encode qw( var2utf8 ); |
use Data::Transform::Encode qw( var2utf8 ); |
99 |
|
|
100 |
|
|
102 |
my $logger = Log::Dispatch::Config->instance; |
my $logger = Log::Dispatch::Config->instance; |
103 |
|
|
104 |
|
|
105 |
|
# this holds the complete instantiated schema from tangram |
106 |
|
my $schema_tangram; |
107 |
|
|
108 |
sub getMetaInfo { |
sub getMetaInfo { |
109 |
my $self = shift; |
my $self = shift; |
110 |
$logger->debug( __PACKAGE__ . "->getMetaInfo()" ); |
$logger->debug( __PACKAGE__ . "->getMetaInfo()" ); |
116 |
sub _initSchema { |
sub _initSchema { |
117 |
my $self = shift; |
my $self = shift; |
118 |
$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
119 |
#if (!$self->{schema_tangram}) { |
#if (!$schema_tangram) { |
120 |
my $obj = getNewPerlObjectByPkgName($self->{locator}->{schema}, { EXPORT_OBJECTS => $self->{locator}->{classnames}, want_transactions => $self->{locator}->{want_transactions} } ); |
my $obj = getNewPerlObjectByPkgName($self->{locator}->{schema}, { EXPORT_OBJECTS => $self->{locator}->{classnames}, want_transactions => $self->{locator}->{want_transactions} } ); |
121 |
$self->{schema_tangram} = $obj->getSchema(); |
$schema_tangram = $obj->getSchema(); |
122 |
#} |
#} |
123 |
if (!$self->{schema_tangram}) { |
if (!$schema_tangram) { |
124 |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
125 |
return 0; |
return 0; |
126 |
} |
} |
127 |
|
#$self->_patchSchema(); |
128 |
return 1; |
return 1; |
129 |
} |
} |
130 |
|
|
131 |
|
sub _patchSchema { |
132 |
|
my $self = shift; |
133 |
|
foreach (keys %{$schema_tangram->{classes}}) { |
134 |
|
next if $schema_tangram->{classes}->{$_}->{abstract}; |
135 |
|
#next if ($_ ne 'TsBankAccount'); |
136 |
|
#$_ ne 'AbstractAccount' && |
137 |
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print "class: $_", "\n"; |
138 |
|
#print Dumper($schema_tangram->{classes}->{$_}); |
139 |
|
# create new string property named 'guid' |
140 |
|
my $tstring = Tangram::String->new(); |
141 |
|
$tstring->{name} = $tstring->{col} = 'guid'; |
142 |
|
# inject property into schema |
143 |
|
#$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring; |
144 |
|
print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}); |
145 |
|
} |
146 |
|
} |
147 |
|
|
148 |
sub connect { |
sub connect { |
149 |
|
|
150 |
my $self = shift; |
my $self = shift; |
167 |
|
|
168 |
# create the main tangram storage object |
# create the main tangram storage object |
169 |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
170 |
$self->{COREHANDLE} = Tangram::Relational->connect( $self->{schema_tangram}, $dsn ); |
$self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
171 |
|
|
172 |
|
#print "connect", "\n"; |
173 |
|
#my $core = $self->{_COREHANDLE}; |
174 |
|
#print Dumper($core); |
175 |
|
|
176 |
# some attempts for configuring the wrapped underlying dbi..... |
# some attempts for configuring the wrapped underlying dbi..... |
177 |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
277 |
foreach my $key (keys %{$self->{dbi}}) { |
foreach my $key (keys %{$self->{dbi}}) { |
278 |
my $val = $self->{dbi}->{$key}; |
my $val = $self->{dbi}->{$key}; |
279 |
print "entry: $key; $val", "\n"; |
print "entry: $key; $val", "\n"; |
280 |
$self->{COREHANDLE}->{db}->{$key} = $val; |
$self->{_COREHANDLE}->{db}->{$key} = $val; |
281 |
} |
} |
282 |
#print Dumper($self->{COREHANDLE}->{db}); |
#print Dumper($self->{COREHANDLE}->{db}); |
283 |
} |
} |
293 |
|
|
294 |
# apply configured modifications |
# apply configured modifications |
295 |
if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
296 |
$self->{COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
$self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
297 |
} |
} |
298 |
if (exists $self->{dbi}->{RaiseError}) { |
if (exists $self->{dbi}->{RaiseError}) { |
299 |
$self->{COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
$self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
300 |
} |
} |
301 |
if (exists $self->{dbi}->{PrintError}) { |
if (exists $self->{dbi}->{PrintError}) { |
302 |
$self->{COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
$self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
303 |
} |
} |
304 |
if (exists $self->{dbi}->{HandleError}) { |
if (exists $self->{dbi}->{HandleError}) { |
305 |
$self->{COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
$self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
306 |
} |
} |
307 |
|
|
308 |
} |
} |
318 |
my $ok; |
my $ok; |
319 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
320 |
return unless $self->_initSchema(); |
return unless $self->_initSchema(); |
321 |
$ok = Tangram::Relational->deploy($self->{schema_tangram}, $dbh ); |
$ok = Tangram::Relational->deploy($schema_tangram, $dbh ); |
322 |
$dbh->disconnect(); |
$dbh->disconnect(); |
323 |
} |
} |
324 |
return $ok; |
return $ok; |
339 |
#use Data::Dumper; print Dumper($self); |
#use Data::Dumper; print Dumper($self); |
340 |
$self->{dataStorageLayer}->removeLogDispatchHandler("Tangram11"); |
$self->{dataStorageLayer}->removeLogDispatchHandler("Tangram11"); |
341 |
|
|
342 |
$ok = Tangram::Relational->retreat($self->{schema_tangram}, $dbh ); |
$ok = Tangram::Relational->retreat($schema_tangram, $dbh ); |
343 |
|
|
344 |
# answer "$ok=2" means "maybe" for now - we have to patch this to a constant here because... |
# answer "$ok=2" means "maybe" for now - we have to patch this to a constant here because... |
345 |
# - ... Tangram::Relational->retreat doesn't seem to return a valid status |
# - ... Tangram::Relational->retreat doesn't seem to return a valid status |
381 |
my @results; |
my @results; |
382 |
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
383 |
# get set of objects from odbms by object name |
# get set of objects from odbms by object name |
384 |
my $object_set = $self->{COREHANDLE}->remote($nodename); |
my $object_set = $self->{_COREHANDLE}->remote($nodename); |
385 |
@results = $self->{COREHANDLE}->select($object_set); |
@results = $self->{_COREHANDLE}->select($object_set); |
386 |
return \@results; |
return \@results; |
387 |
} |
} |
388 |
|
|
427 |
my $tfilter = join(' & ', @tfilters); |
my $tfilter = join(' & ', @tfilters); |
428 |
|
|
429 |
# get set of objects from odbms by object name |
# get set of objects from odbms by object name |
430 |
my $remote = $self->{COREHANDLE}->remote($nodename); |
my $remote = $self->{_COREHANDLE}->remote($nodename); |
431 |
|
|
432 |
# was: |
# was: |
433 |
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
434 |
|
|
435 |
# is: |
# is: |
436 |
# 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 |
437 |
my $evalstring = 'return $self->{COREHANDLE}->select($remote, ' . $tfilter . ');'; |
my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');'; |
438 |
|
|
439 |
# get filtered list/set |
# get filtered list/set |
440 |
@results = eval($evalstring); |
@results = eval($evalstring); |
446 |
sub createCursor { |
sub createCursor { |
447 |
my $self = shift; |
my $self = shift; |
448 |
my $node = shift; |
my $node = shift; |
449 |
my $cmdHandle = $self->{COREHANDLE}->cursor($node); |
my $cmdHandle = $self->{_COREHANDLE}->cursor($node); |
450 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
451 |
return $result; |
return $result; |
452 |
} |
} |
453 |
|
|
454 |
sub createSet { |
sub createSet { |
455 |
my $self = shift; |
my $self = shift; |
456 |
|
#print "-" x 80, "\n"; |
457 |
|
#print Dumper(@_); |
458 |
my @objects = @_; |
my @objects = @_; |
459 |
my $rh = Set::Object->new(); |
my $rh = Set::Object->new(); |
460 |
foreach (@objects) { |
foreach (@objects) { |
461 |
#print Dumper($_); |
if (!isEmpty($_)) { |
462 |
$rh->insert($_) if !isEmpty($_); |
#print Dumper($_); |
463 |
|
$rh->insert($_); |
464 |
|
} |
465 |
} |
} |
466 |
#print Dumper($rh->members()); |
#print Dumper($rh->members()); |
467 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
485 |
my $ident = $query->{criterias}->[0]->{val}; |
my $ident = $query->{criterias}->[0]->{val}; |
486 |
#print "load obj", "\n"; |
#print "load obj", "\n"; |
487 |
#return $self->createSet() if $ident == 5; |
#return $self->createSet() if $ident == 5; |
488 |
my $object = $self->{COREHANDLE}->load($ident); |
$self->{_COREHANDLE}->unload($ident); |
489 |
|
my $object = $self->{_COREHANDLE}->load($ident); |
490 |
#print "get id", "\n"; |
#print "get id", "\n"; |
491 |
my $oid = $self->{COREHANDLE}->id($object); |
my $oid = $self->{_COREHANDLE}->id($object); |
492 |
|
#print Dumper($object); |
493 |
|
#print "oid: $oid", "\n"; |
494 |
return $self->createSet($object); |
return $self->createSet($object); |
495 |
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
496 |
} |
} |
519 |
sub eraseAll { |
sub eraseAll { |
520 |
my $self = shift; |
my $self = shift; |
521 |
my $classname = shift; |
my $classname = shift; |
522 |
my $remote = $self->{COREHANDLE}->remote($classname); |
my $remote = $self->{_COREHANDLE}->remote($classname); |
523 |
my @objs = $self->{COREHANDLE}->select($remote); |
my @objs = $self->{_COREHANDLE}->select($remote); |
524 |
$self->{COREHANDLE}->erase(@objs); |
$self->{_COREHANDLE}->erase(@objs); |
525 |
} |
} |
526 |
|
|
527 |
sub createDb { |
sub createDb { |
533 |
sub getObject { |
sub getObject { |
534 |
my $self = shift; |
my $self = shift; |
535 |
my $oid = shift; |
my $oid = shift; |
536 |
|
my $options = shift; |
537 |
|
|
538 |
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
539 |
|
# unload($oid) will only unload object, not deep object hashes |
540 |
|
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
541 |
|
|
542 |
# TODO: review this |
# TODO: review this |
543 |
#if (!$self->{COREHANDLE}) { return; } |
#if (!$self->{COREHANDLE}) { return; } |
544 |
return $self->{COREHANDLE}->load($oid); |
|
545 |
|
# TODO: review this |
546 |
|
my $object = eval('$self->{_COREHANDLE}->load($oid);'); |
547 |
|
print $@, "\n" if $@; |
548 |
|
|
549 |
|
return $object if $object; |
550 |
} |
} |
551 |
|
|
552 |
sub getObjectAsHash { |
sub getObjectAsHash { |
553 |
my $self = shift; |
my $self = shift; |
554 |
my $oid = shift; |
my $oid = shift; |
555 |
my $options = shift; |
my $options = shift; |
556 |
my $obj = $self->getObject($oid); |
my $obj = $self->getObject($oid, $options); |
557 |
my $deref = var_deref($obj); |
|
558 |
var2utf8($deref) if ($options->{utf8}); |
# build options (a callback to unload autovivified objects) for 'expand' |
559 |
return $deref; |
# TODO: use $logger to write to debug here! |
560 |
|
my $cb; # = sub {}; |
561 |
|
=pod |
562 |
|
if ($options->{destroy}) { |
563 |
|
$options->{cb}->{destroy} = sub { |
564 |
|
print "================ DESTROY", "\n"; |
565 |
|
my $object = shift; |
566 |
|
#print Dumper($object); |
567 |
|
$self->{_COREHANDLE}->unload($object); |
568 |
|
#undef($object); |
569 |
|
}; |
570 |
|
} |
571 |
|
=cut |
572 |
|
|
573 |
|
my $hash = object2hash($obj, $options); |
574 |
|
#$options->{cb}->{destroy}->($obj); |
575 |
|
#$self->{_COREHANDLE}->unload($obj); |
576 |
|
|
577 |
|
# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
578 |
|
# now done in object2hash |
579 |
|
#var2utf8($hash) if ($options->{utf8}); |
580 |
|
|
581 |
|
# old (wrong) attempts to get rid of used instances, if requested |
582 |
|
#$obj->clear_refs; |
583 |
|
#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
584 |
|
#$obj->DESTROY; |
585 |
|
#undef($obj) if($options->{destroy}); |
586 |
|
|
587 |
|
return $hash; |
588 |
|
} |
589 |
|
|
590 |
|
sub getSchema { |
591 |
|
return $schema_tangram; |
592 |
|
} |
593 |
|
|
594 |
|
sub getCOREHANDLE { |
595 |
|
my $self = shift; |
596 |
|
return $self->{_COREHANDLE}; |
597 |
} |
} |
598 |
|
|
599 |
1; |
1; |