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## |
## |
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## ---------------------------------------------------------------------------------------- |
## ---------------------------------------------------------------------------------------- |
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## $Log$ |
## $Log$ |
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## Revision 1.8 2003/04/09 07:27:02 joko |
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## minor update (just cosmetics) |
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## |
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## Revision 1.7 2003/03/27 15:31:16 joko |
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## fixes to modules regarding new namespace(s) below Data::Mungle::* |
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## |
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## Revision 1.6 2003/02/21 01:47:53 joko |
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## renamed core function |
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## |
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## Revision 1.5 2003/02/20 20:24:33 joko |
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## + additional pre-flight checks |
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## |
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## Revision 1.4 2003/02/14 14:14:38 joko |
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## + new code refactored here |
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## |
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## Revision 1.3 2003/02/11 07:54:55 joko |
## Revision 1.3 2003/02/11 07:54:55 joko |
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## + modified module usage |
## + modified module usage |
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## + debugging trials |
## + debugging trials |
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use Data::Dumper; |
use Data::Dumper; |
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use Hash::Merge qw( merge ); |
use Hash::Merge qw( merge ); |
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use libdb qw( hash2Sql ); |
use shortcuts::db qw( hash2sql ); |
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use Data::Transform::Deep qw( hash2object ); |
use Data::Mungle::Transform::Deep qw( merge_to ); |
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# get logger instance |
# get logger instance |
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my $ident = shift; |
my $ident = shift; |
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my $force = shift; |
my $force = shift; |
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=pod |
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#print "isa: ", UNIVERSAL::isa($self->{meta}->{$descent}->{storage}), "\n"; |
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# this seems to be the first time we access this side, |
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# so just check (again) for a valid storage handle |
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if (! ref $self->{meta}->{$descent}->{storage}) { |
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$logger->critical( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident ): Storage handle undefined!" ); |
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return; |
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} |
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=cut |
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#$logger->debug( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident )" ); |
#$logger->debug( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident )" ); |
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# fetch entry to retrieve checksum from |
# fetch entry to retrieve checksum from |
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] |
] |
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}; |
}; |
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# trace |
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#print "query:", "\n"; |
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#print Dumper($query); |
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# send query and fetch first entry from result |
# send query and fetch first entry from result |
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my $result = $self->{meta}->{$descent}->{storage}->sendQuery($query); |
my $result = $self->{meta}->{$descent}->{storage}->sendQuery($query); |
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my $entry = $result->getNextEntry(); |
my $entry = $result->getNextEntry(); |
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next; |
next; |
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} |
} |
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# 2.b check storage handle type |
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my $dbType = $self->{meta}->{$descent}->{storage}->{locator}->{type}; |
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if (!$dbType) { |
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$logger->critical( __PACKAGE__ . "->touchNodeSet: Storage ( descent='$descent', dbKey='$dbkey' ) has no 'dbType' - configuration-error?" ); |
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next; |
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} |
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# 3. check if descents (and nodes?) are actually available.... |
# 3. check if descents (and nodes?) are actually available.... |
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# TODO: |
# TODO: |
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# eventually pre-check mode of access-attempt (read/write) here to provide an "early-croak" if possible |
# eventually pre-check mode of access-attempt (read/write) here to provide an "early-croak" if possible |
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# print Dumper($self->{meta}->{$descent}->{storage}->{locator}); |
# print Dumper($self->{meta}->{$descent}->{storage}->{locator}); |
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my $dbType = $self->{meta}->{$descent}->{storage}->{locator}->{type}; |
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my $nodeName = $self->{meta}->{$descent}->{nodeName}; |
my $nodeName = $self->{meta}->{$descent}->{nodeName}; |
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my $accessorType = $self->{meta}->{$descent}->{accessorType}; |
my $accessorType = $self->{meta}->{$descent}->{accessorType}; |
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my $accessorName = $self->{meta}->{$descent}->{accessorName}; |
my $accessorName = $self->{meta}->{$descent}->{accessorName}; |
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# TODO: wrap this around '$storageHandle->sendQuery(...)'!? |
# TODO: wrap this around '$storageHandle->sendQuery(...)'!? |
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my $sql_main; |
my $sql_main; |
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if (lc($action) eq 'insert') { |
if (lc($action) eq 'insert') { |
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$sql_main = hash2Sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_INSERT'); |
$sql_main = hash2sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_INSERT'); |
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} elsif (lc $action eq 'update') { |
} elsif (lc $action eq 'update') { |
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$crit ||= "$self->{meta}->{$descent}->{IdentProvider}->{arg}='$self->{node}->{$descent}->{ident}'"; |
$crit ||= "$self->{meta}->{$descent}->{IdentProvider}->{arg}='$self->{node}->{$descent}->{ident}'"; |
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$sql_main = hash2Sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_UPDATE', $crit); |
$sql_main = hash2sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_UPDATE', $crit); |
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} |
} |
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my $sqlHandle = $self->{meta}->{$descent}->{storage}->sendCommand($sql_main); |
my $sqlHandle = $self->{meta}->{$descent}->{storage}->sendCommand($sql_main); |
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# mix in (merge) values ... |
# mix in (merge) values ... |
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# TODO: use Hash::Merge here? benchmark! |
# TODO: use Hash::Merge here? benchmark! |
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# no! we'd need a Object::Merge here! it's *...2object* |
# no! we'd need a Object::Merge here! it's *...2object* |
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hash2object($object, $map); |
merge_to($object, $map); |
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# trace |
# trace |
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#print Dumper($object); |
#print Dumper($object); |
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} elsif (lc $action eq 'update') { |
} elsif (lc $action eq 'update') { |
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# get fresh object from orm first |
# Get fresh object from orm first. |
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# TODO: Review, is a 'sendQuery' required in this place? |
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# By now: NO! It's more expensive and we can just expect existing objects for update operations. |
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# If it doesn't exist either, we assume the engine will fail on issuing the 'update' operation later... |
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$object = $self->{meta}->{$descent}->{storage}->load($self->{node}->{$descent}->{ident}); |
$object = $self->{meta}->{$descent}->{storage}->load($self->{node}->{$descent}->{ident}); |
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#print Dumper($self->{node}); |
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# mix in values |
# mix in values |
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#print Dumper($object); |
merge_to($object, $map); |
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# TODO: use Hash::Merge here??? |
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hash2object($object, $map); |
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#print Dumper($object); |
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#exit; |
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# update orm |
# update orm |
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$self->{meta}->{$descent}->{storage}->update($object); |
$self->{meta}->{$descent}->{storage}->update($object); |
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} |
} |
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#exit; |
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my $error = 0; |
my $error = 0; |
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# handle new style callbacks - this is a HACK - do this without an eval! |
# handle new style callbacks - this is a HACK - do this without an eval! |
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#print Dumper($map_callbacks); |
#print Dumper($map_callbacks); |
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foreach my $node (keys %{$map_callbacks->{write}}) { |
foreach my $node (keys %{$map_callbacks->{write}}) { |
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#print Dumper($node); |
#print Dumper($node); |
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my $perl_callback = $self->{meta}->{$descent}->{node} . '::' . $node . '_write'; |
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# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
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my $perl_callback = $self->{meta}->{$descent}->{nodeType} . '::' . $node . '_write'; |
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my $evalstring = $perl_callback . '( { object => $object, value => $map_callbacks->{write}->{$node}, storage => $self->{meta}->{$descent}->{storage} } );'; |
my $evalstring = $perl_callback . '( { object => $object, value => $map_callbacks->{write}->{$node}, storage => $self->{meta}->{$descent}->{storage} } );'; |
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#print $evalstring, "\n"; exit; |
#print $evalstring, "\n"; exit; |
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eval($evalstring); |
eval($evalstring); |
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if ($@) { |
if ($@) { |
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$error = 1; |
$error = 1; |
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print $@, "\n"; |
$logger->error( __PACKAGE__ . "->_modifyNode: $@" ); |
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next; |
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} |
} |
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# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
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#print "after eval", "\n"; |
#print "after eval", "\n"; |
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} |
} |
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sub _erase_all { |
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my $self = shift; |
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my $descent = shift; |
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#my $node = shift; |
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#print Dumper($self->{meta}->{$descent}); |
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#my $node = $self->{meta}->{$descent}->{nodeName}; |
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my $node = $self->{meta}->{$descent}->{accessorName}; |
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$logger->debug( __PACKAGE__ . "->_erase_all( node $node )" ); |
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$self->{meta}->{$descent}->{storage}->eraseAll($node); |
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} |
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1; |
1; |
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__END__ |