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# $Id$ |
# $Id$ |
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# |
# |
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# $Log$ |
# $Log$ |
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# Revision 1.26 2003/01/30 22:29:47 joko |
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# + fixed module usage (removed dependency on 'libp.pm') |
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# |
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# Revision 1.25 2003/01/19 02:30:05 joko |
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# + fix: modified call to '_initSchema' |
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# |
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# Revision 1.24 2002/12/22 14:13:01 joko |
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# + sub dropDb |
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# |
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# Revision 1.23 2002/12/19 16:31:53 joko |
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# +- renamed sub to 'rebuildDb' |
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# |
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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 |
# Revision 1.14 2002/12/05 09:40:30 jonen |
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# + added option->{destroy} at getObject for unloading all instance |
# + added option->{destroy} at getObject for unloading all instance |
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# |
# |
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|
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use Tangram; |
use Tangram; |
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use Data::Dumper; |
use Data::Dumper; |
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use libp qw( getNewPerlObjectByPkgName ); |
use DesignPattern::Object; |
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use Data::Storage::Result::Tangram; |
use Data::Storage::Result::Tangram; |
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use Data::Compare::Struct qw( isEmpty ); |
use Data::Compare::Struct qw( isEmpty ); |
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use Data::Transform::Deep qw( var_deref ); |
use Data::Transform::Deep qw( object2hash ); |
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use Data::Transform::Encode qw( var2utf8 ); |
use Data::Transform::Encode qw( var2utf8 ); |
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|
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# get logger instance |
# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
my $logger = Log::Dispatch::Config->instance; |
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|
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my $self = shift; |
my $self = shift; |
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$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
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#if (!$schema_tangram) { |
#if (!$schema_tangram) { |
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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} } ); |
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my $obj = DesignPattern::Object->fromPackage($self->{locator}->{schema}, { 'EXPORT_OBJECTS' => $self->{locator}->{classnames}, 'want_transactions' => $self->{locator}->{want_transactions} } ); |
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$schema_tangram = $obj->getSchema(); |
$schema_tangram = $obj->getSchema(); |
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#} |
#} |
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if (!$schema_tangram) { |
if (!$schema_tangram) { |
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$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
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return 0; |
return 0; |
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} |
} |
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#$self->_patchSchema(); |
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return 1; |
return 1; |
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} |
} |
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sub _patchSchema { |
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my $self = shift; |
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foreach (keys %{$schema_tangram->{classes}}) { |
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next if $schema_tangram->{classes}->{$_}->{abstract}; |
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#next if ($_ ne 'TsBankAccount'); |
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#$_ ne 'AbstractAccount' && |
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print "class: $_", "\n"; |
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#print Dumper($schema_tangram->{classes}->{$_}); |
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# create new string property named 'guid' |
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my $tstring = Tangram::String->new(); |
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$tstring->{name} = $tstring->{col} = 'guid'; |
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# inject property into schema |
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#$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring; |
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print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}); |
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} |
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} |
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sub connect { |
sub connect { |
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my $self = shift; |
my $self = shift; |
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my $dsn = shift; |
my $dsn = shift; |
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#print Dumper($self); |
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#exit; |
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# TODO: re-enable |
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$dsn ||= $self->{locator}->{dbi}->{dsn}; |
$dsn ||= $self->{locator}->{dbi}->{dsn}; |
|
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$logger->debug( __PACKAGE__ . "->connect( dsn $dsn )" ); |
$logger->debug( __PACKAGE__ . "->connect( dsn $dsn )" ); |
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|
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#my $storage = Tangram::Relational->connect( $schema, $dsn ); |
#my $storage = Tangram::Relational->connect( $schema, $dsn ); |
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# return; |
# return; |
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# } |
# } |
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|
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return unless $self->_initSchema(); |
#return unless $self->_initSchema(); |
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$self->_initSchema(); |
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|
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# create the main tangram storage object |
# create the main tangram storage object |
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#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
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$logger->debug( __PACKAGE__ . "->configureCOREHANDLE" ); |
$logger->debug( __PACKAGE__ . "->configureCOREHANDLE" ); |
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|
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#my $subLayer = $self->_getSubLayerHandle(); |
#my $subLayer = $self->_getSubLayerHandle(); |
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#print Dumper($self); |
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#exit; |
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|
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# apply configured modifications |
# apply configured modifications |
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if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
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return $ok; |
return $ok; |
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} |
} |
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|
|
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sub rebuildDbAndSchema { |
sub rebuildDb { |
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my $self = shift; |
my $self = shift; |
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$logger->info( __PACKAGE__ . "->rebuildDbAndSchema()" ); |
$logger->info( __PACKAGE__ . "->rebuildDb()" ); |
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my @results; |
my @results; |
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|
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# sum up results (bool (0/1)) in array |
# sum up results (bool (0/1)) in array |
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|
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sub createSet { |
sub createSet { |
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my $self = shift; |
my $self = shift; |
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#print "-" x 80, "\n"; |
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#print Dumper(@_); |
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my @objects = @_; |
my @objects = @_; |
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my $rh = Set::Object->new(); |
my $rh = Set::Object->new(); |
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foreach (@objects) { |
foreach (@objects) { |
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#print Dumper($_); |
if (!isEmpty($_)) { |
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$rh->insert($_) if !isEmpty($_); |
#print Dumper($_); |
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$rh->insert($_); |
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} |
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} |
} |
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#print Dumper($rh->members()); |
#print Dumper($rh->members()); |
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my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
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my $ident = $query->{criterias}->[0]->{val}; |
my $ident = $query->{criterias}->[0]->{val}; |
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#print "load obj", "\n"; |
#print "load obj", "\n"; |
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#return $self->createSet() if $ident == 5; |
#return $self->createSet() if $ident == 5; |
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$self->{_COREHANDLE}->unload($ident); |
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my $object = $self->{_COREHANDLE}->load($ident); |
my $object = $self->{_COREHANDLE}->load($ident); |
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#print "get id", "\n"; |
#print "get id", "\n"; |
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my $oid = $self->{_COREHANDLE}->id($object); |
my $oid = $self->{_COREHANDLE}->id($object); |
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#print Dumper($object); |
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#print "oid: $oid", "\n"; |
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return $self->createSet($object); |
return $self->createSet($object); |
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#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
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} |
} |
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my $self = shift; |
my $self = shift; |
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my $oid = shift; |
my $oid = shift; |
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my $options = shift; |
my $options = shift; |
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# TODO: create a deep_unload method |
|
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# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
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# unload($oid) will only unload object, not deep object hashes |
# unload($oid) will only unload object, not deep object hashes |
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$self->{_COREHANDLE}->unload() if($options->{destroy}); |
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
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|
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# TODO: review this |
# TODO: review this |
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#if (!$self->{COREHANDLE}) { return; } |
#if (!$self->{COREHANDLE}) { return; } |
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return $self->{_COREHANDLE}->load($oid); |
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# TODO: review this |
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my $object = eval('$self->{_COREHANDLE}->load($oid);'); |
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print $@, "\n" if $@; |
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return $object if $object; |
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} |
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sub getObjectByGuid { |
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my $self = shift; |
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my $guid = shift; |
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my $options = shift; |
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# Guid and Classname is needed |
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if(!$guid || !$options->{classname}) { |
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$logger->error( __PACKAGE__ . "->getObjectByGuid: No 'guid' OR no Classname in options hash was given but needed!" ); |
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return; |
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} |
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# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
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# unload($oid) will only unload object, not deep object hashes |
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$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
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|
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# search for object with given Classname and Guid |
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my $obj_tmp = $self->{_COREHANDLE}->remote($options->{classname}); |
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my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid); |
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|
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# we searched for global unique identifer of some object, |
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# so I think we can trust there would be only one result |
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if($result[0]) { |
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return $result[0]; |
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} else { |
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$logger->error( __PACKAGE__ . "->getObjectByGuid: No Object with Classname $options->{classname} and GUID $guid found!" ); |
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return; |
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} |
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|
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} |
} |
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|
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sub getObjectAsHash { |
sub getObjectAsHash { |
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my $self = shift; |
my $self = shift; |
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my $oid = shift; |
my $oid = shift; |
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my $options = shift; |
my $options = shift; |
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my $obj = $self->getObject($oid, $options); |
my $obj; |
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my $deref = var_deref($obj); |
|
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var2utf8($deref) if ($options->{utf8}); |
if($options->{guid}) { |
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#$obj->clear_refs; |
$obj = $self->getObjectByGuid($oid, $options); |
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#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
} else { |
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#$obj->DESTROY; |
$obj = $self->getObject($oid, $options); |
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#undef($obj) if($options->{destroy}); |
} |
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return $deref; |
|
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# build options (a callback to unload autovivified objects) for 'expand' |
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# TODO: use $logger to write to debug here! |
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my $cb; # = sub {}; |
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=pod |
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if ($options->{destroy}) { |
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$options->{cb}->{destroy} = sub { |
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print "================ DESTROY", "\n"; |
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my $object = shift; |
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#print Dumper($object); |
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$self->{_COREHANDLE}->unload($object); |
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#undef($object); |
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}; |
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} |
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=cut |
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my $hash = object2hash($obj, $options); |
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#$options->{cb}->{destroy}->($obj); |
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#$self->{_COREHANDLE}->unload($obj); |
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# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
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# now done in object2hash |
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#var2utf8($hash) if ($options->{utf8}); |
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|
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# old (wrong) attempts to get rid of used instances, if requested |
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#$obj->clear_refs; |
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#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
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#$obj->DESTROY; |
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#undef($obj) if($options->{destroy}); |
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|
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return $hash; |
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} |
} |
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|
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sub getSchema { |
sub getSchema { |
661 |
return $self->{_COREHANDLE}; |
return $self->{_COREHANDLE}; |
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} |
} |
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|
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sub dropDb { |
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my $self = shift; |
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my $storage = $self->_getSubLayerHandle(); |
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return $storage->dropDb(); |
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} |
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sub testAvailability { |
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my $self = shift; |
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my $storage = $self->_getSubLayerHandle(); |
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return $storage->testAvailability(); |
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} |
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1; |
1; |
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__END__ |