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cvsjoko |
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# $Id$ |
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# |
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# $Log$ |
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# |
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################################# |
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package Data::Storage::Handler::Tangram; |
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use strict; |
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use warnings; |
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use base ("Data::Storage::Handler::Abstract"); |
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use Tangram; |
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use Data::Dumper; |
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# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
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our $metainfo = { |
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'disconnectMethod' => 'disconnect', |
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}; |
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sub connect { |
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my $self = shift; |
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my $dsn = shift; |
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$dsn ||= $self->{dbi}->{dsn}; |
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$logger->debug( __PACKAGE__ . "->connect($dsn)" ); |
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#my $storage = Tangram::Relational->connect( $schema, $dsn ); |
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#my $storage = Tangram::mysql->connect( $schema, $dsn ); |
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#$storage = Tangram::Relational->connect( Project->schema, $dsn ); |
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# if (!testDsn($dsn)) { |
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# croak("Database at \"$dsn\" is not available"); |
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# return; |
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# } |
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require 'OSA/tsobj.pm'; |
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tsobj::initSchema(); |
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#sleep 1; |
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my $schema = tsobj::getSchema(); |
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$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
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#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
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#$self->{STORAGEHANDLE_UNDERLYING}->_configureCOREHANDLE(); |
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#$self->_configureUnderlyingStorage; |
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$self->configureCOREHANDLE(); |
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} |
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sub getChildNodes { |
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my $self = shift; |
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my @nodes; |
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# create new DBI - Data::Storage - object from already connected DBI::db - handle inside the current COREHANDLE |
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#my $loc = new Data::Storage::Locator( type => "DBI", dbi => { db => $self->{COREHANDLE}->{db} }); |
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#my $loc = new Data::Storage::Locator( type => "DBI", COREHANDLE => $self->{COREHANDLE}->{db} ); |
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my $storage = $self->_getSubLayerHandle(); |
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#$storage->_configureCOREHANDLE(); |
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#if (my $result = $self->sendCommand( 'SHOW TABLES;' ) ) { |
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if (my $result = $storage->sendCommand( 'SHOW TABLES;' ) ) { |
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while ( my $row = $result->_getNextEntry() ) { |
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push @nodes, $row; |
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} |
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} |
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$storage->disconnect(); |
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return \@nodes; |
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} |
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sub _getSubLayerHandle { |
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my $self = shift; |
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use Data::Dumper; |
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#print Dumper($self); |
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# hack, make more generic! |
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if (!$self->{STORAGE_SUBLAYER}) { |
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my $loc = new Data::Storage::Locator( type => "DBI", dbi => $self->{dbi}, COREHANDLE => $self->{COREHANDLE}->{db} ); |
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$self->{STORAGE_SUBLAYER} = new Data::Storage( $loc, { protected => 1 } ); |
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#$self->{STORAGE_UNDER_THE_HOOD}->{STORAGEHANDLE}->_configureCOREHANDLE(); |
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#$self->{STORAGE_UNDER_THE_HOOD}->_configureCOREHANDLE(); |
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} |
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#print Dumper($self->{STORAGE_UNDER_THE_HOOD}); |
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return $self->{STORAGE_SUBLAYER}; |
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} |
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sub _configureUnderlyingStorage { |
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my $self = shift; |
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$self->_configureCOREHANDLE_DBI(); |
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return; |
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foreach my $key (keys %{$self->{dbi}}) { |
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my $val = $self->{dbi}->{$key}; |
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print "entry: $key; $val", "\n"; |
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$self->{COREHANDLE}->{db}->{$key} = $val; |
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} |
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#print Dumper($self->{COREHANDLE}->{db}); |
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} |
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sub configureCOREHANDLE { |
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my $self = shift; |
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$logger->debug( __PACKAGE__ . "->_configureCOREHANDLE" ); |
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#my $subLayer = $self->_getSubLayerHandle(); |
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# apply configured modifications |
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if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
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$self->{COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
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} |
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if (exists $self->{dbi}->{RaiseError}) { |
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$self->{COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
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} |
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if (exists $self->{dbi}->{PrintError}) { |
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$self->{COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
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} |
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if (exists $self->{dbi}->{HandleError}) { |
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$self->{COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
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} |
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} |
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