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## ------------------------------------------------------------------------- |
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## |
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## $Id$ |
## $Id$ |
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## |
## |
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## Copyright (c) 2002 Andreas Motl <andreas.motl@ilo.de> |
## Copyright (c) 2002 Andreas Motl <andreas.motl@ilo.de> |
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## |
## |
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## See COPYRIGHT section in pod text below for usage and distribution rights. |
## See COPYRIGHT section in pod text below for usage and distribution rights. |
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## |
## |
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## ---------------------------------------------------------------------------------------- |
## ------------------------------------------------------------------------- |
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## $Log$ |
## $Log$ |
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## Revision 1.9 2003/05/13 08:17:52 joko |
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## buildAttributeMap now propagates error |
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## |
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## Revision 1.8 2003/03/27 15:31:15 joko |
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## fixes to modules regarding new namespace(s) below Data::Mungle::* |
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## |
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## Revision 1.7 2003/02/21 08:01:11 joko |
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## debugging, logging |
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## renamed module |
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## |
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## Revision 1.6 2003/02/14 14:03:49 joko |
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## + logging, debugging |
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## - refactored code to sister module |
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## |
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## Revision 1.5 2003/02/11 05:30:47 joko |
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## + minor fixes and some debugging mud |
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## |
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## Revision 1.4 2003/02/09 05:01:10 joko |
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## + major structure changes |
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## - refactored code to sister modules |
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## |
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## Revision 1.3 2003/01/20 17:01:14 joko |
## Revision 1.3 2003/01/20 17:01:14 joko |
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## + cosmetics and debugging |
## + cosmetics and debugging |
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## + probably refactored code to new plugin-modules 'Metadata.pm' and/or 'StorageInterface.pm' (guess it was the last one...) |
## + probably refactored code to new plugin-modules 'Metadata.pm' and/or 'StorageInterface.pm' (guess it was the last one...) |
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## + minor cosmetics for logging |
## + minor cosmetics for logging |
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## |
## |
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## Revision 1.2 2002/12/01 04:43:25 joko |
## Revision 1.2 2002/12/01 04:43:25 joko |
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## + mapping deatil entries may now be either an ARRAY or a HASH |
## + mapping detail entries may now be either an ARRAY or a HASH |
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## + erase flag is used now (for export-operations) |
## + erase flag is used now (for export-operations) |
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## + expressions to refer to values inside deep nested structures |
## + expressions to refer to values inside deep nested structures |
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## - removed old mappingV2-code |
## - removed old mappingV2-code |
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## |
## |
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## Revision 1.1 2002/10/10 03:44:21 cvsjoko |
## Revision 1.1 2002/10/10 03:44:21 cvsjoko |
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## + new |
## + new |
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## ---------------------------------------------------------------------------------------- |
## ------------------------------------------------------------------------- |
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package Data::Transfer::Sync::Core; |
package Data::Transfer::Sync::Core; |
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use Data::Dumper; |
use Data::Dumper; |
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use misc::HashExt; |
#use misc::HashExt; |
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use libp qw( md5_base64 ); |
use Hash::Serializer; |
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use libdb qw( quotesql hash2Sql ); |
use Data::Mungle::Compare::Struct qw( getDifference isEmpty ); |
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use Data::Transform::Deep qw( hash2object refexpr2perlref ); |
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use Data::Compare::Struct qw( getDifference isEmpty ); |
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use Data::Storage::Container; |
use Data::Storage::Container; |
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use DesignPattern::Object; |
use DesignPattern::Object; |
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use shortcuts::database qw( quotesql ); |
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# get logger instance |
# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
my $logger = Log::Dispatch::Config->instance; |
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$self->{container}->addStorage($_, $self->{storages}->{$_}); |
$self->{container}->addStorage($_, $self->{storages}->{$_}); |
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} |
} |
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# trace |
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#print Dumper($self); |
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#exit; |
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return 1; |
return 1; |
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} |
} |
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sub _initV1 { |
sub _initV1 { |
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my $self = shift; |
my $self = shift; |
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$logger->debug( __PACKAGE__ . "->_initV1" ); |
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die("this should not be reached!"); |
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# tag storages with id-authority and checksum-provider information |
# tag storages with id-authority and checksum-provider information |
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# TODO: better store tag inside metadata to hold bits together! |
# TODO: better store tag inside metadata to hold bits together! |
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map { $self->{container}->{storage}->{$_}->{isIdentAuthority} = 1 } @{$self->{id_authorities}}; |
map { $self->{container}->{storage}->{$_}->{isIdentAuthority} = 1 } @{$self->{id_authorities}}; |
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# TODO: abstract the hardwired use of "source" and "target" in here somehow - hmmmm....... /(="§/%??? |
# TODO: abstract the hardwired use of "source" and "target" in here somehow - hmmmm....... /(="§/%??? |
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sub _syncNodes { |
sub _run { |
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my $self = shift; |
my $self = shift; |
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my $tc = OneLineDumpHash->new( {} ); |
#print "verbose: ", $self->{verbose}, "\n"; |
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$self->{verbose} = 1; |
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$logger->debug( __PACKAGE__ . "->_run" ); |
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# for statistics |
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my $tc = Hash::Serializer->new( {} ); |
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my $results; |
my $results; |
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# set of objects is already in $self->{args} |
# set of objects is already in $self->{args} |
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# checkpoint: do we actually have a list to iterate through? |
# checkpoint: do we actually have a list to iterate through? |
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if (!$results || !@{$results}) { |
if (!$results || !@{$results}) { |
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$logger->notice( __PACKAGE__ . "->syncNodes: No nodes to synchronize." ); |
$logger->notice( __PACKAGE__ . "->_run: No nodes to synchronize." ); |
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return; |
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} |
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# check if we actually *have* a synchronization method |
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if (!$self->{options}->{metadata}->{syncMethod}) { |
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$logger->critical( __PACKAGE__ . "->_run: No synchronization method (checksum|timestamp) specified" ); |
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return; |
return; |
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} |
} |
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# dereference |
# dereference |
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my @results = @{$results}; |
my @results = @{$results}; |
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# iterate through set |
# iterate through set |
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foreach my $source_node_real (@results) { |
foreach my $source_node_real (@results) { |
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print ":" if $self->{verbose}; |
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$tc->{total}++; |
$tc->{total}++; |
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#print "======================== iter", "\n"; |
#print "======================== iter", "\n"; |
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# - is a "deep_copy" needed here if occouring modifications take place? |
# - is a "deep_copy" needed here if occouring modifications take place? |
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# - puuhhhh, i guess a deep_copy would destroy tangram mechanisms? |
# - puuhhhh, i guess a deep_copy would destroy tangram mechanisms? |
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# - after all, just take care for now that this object doesn't get updated! |
# - after all, just take care for now that this object doesn't get updated! |
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# - so, just use its reference for now - if some cloning is needed in future, do this here! |
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my $source_node = $source_node_real; |
my $source_node = $source_node_real; |
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# modify entry - handle new style callbacks (the readers) |
# modify entry - handle new style callbacks (the readers) |
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#print Dumper($source_node); |
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#exit; |
# trace |
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#print Dumper($source_node); |
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#exit; |
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my $descent = 'source'; |
my $descent = 'source'; |
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my $map_callbacks = {}; |
my $map_callbacks = {}; |
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if (my $callbacks = $self->{meta}->{$descent}->{Callback}) { |
if (my $callbacks = $self->{meta}->{$descent}->{Callback}) { |
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# trace |
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#print Dumper($callbacks); |
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#exit; |
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my $error = 0; |
my $error = 0; |
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foreach my $node (keys %{$callbacks->{read}}) { |
foreach my $node (keys %{$callbacks->{read}}) { |
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my $object = $source_node; |
my $object = $source_node; |
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my $value; # = $source_node->{$node}; |
my $value; # = $source_node->{$node}; |
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# trace |
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#print Dumper($self->{options}); |
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# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
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#my $perl_callback = $self->{meta}->{$descent}->{node} . '::' . $node . '_read'; |
#my $perl_callback = $self->{meta}->{$descent}->{node} . '::' . $node . '_read'; |
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my $perl_callback = $self->{meta}->{$descent}->{nodeType} . '::' . $node . '_read'; |
my $perl_callback = $self->{meta}->{$descent}->{nodeType} . '::' . $node . '_read'; |
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#print $evalstring, "\n"; exit; |
#print $evalstring, "\n"; exit; |
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my $cb_result = eval($evalstring); |
my $cb_result = eval($evalstring); |
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if ($@) { |
if ($@) { |
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die $@; |
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$error = 1; |
$error = 1; |
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print $@, "\n"; |
$logger->error( __PACKAGE__ . "->_run: $@" ); |
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next; |
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} |
} |
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# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
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} |
} |
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#print Dumper($source_node); |
# trace |
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#print Dumper($source_node); |
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# exclude defined fields (simply delete from object) |
# exclude defined fields (simply delete from object) |
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map { delete $source_node->{$_} } @{$self->{meta}->{source}->{subnodes_exclude}}; |
map { delete $source_node->{$_} } @{$self->{meta}->{source}->{subnodes_exclude}}; |
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$self->{node} = {}; |
$self->{node} = {}; |
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$self->{node}->{source}->{payload} = $source_node; |
$self->{node}->{source}->{payload} = $source_node; |
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#print "res - ident", "\n"; |
# trace |
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#print Dumper($self->{node}); |
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#exit; |
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# determine ident of entry |
# determine ident of entry |
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my $identOK = $self->_resolveNodeIdent('source'); |
my $identOK = $self->_resolveNodeIdent('source'); |
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#if (!$identOK && lc $self->{args}->{direction} ne 'import') { |
#if (!$identOK && lc $self->{args}->{direction} ne 'import') { |
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if (!$identOK) { |
if (!$identOK) { |
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#print Dumper($self->{meta}->{source}); |
#print Dumper($self->{meta}->{source}); |
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$logger->critical( __PACKAGE__ . "->syncNodes: No ident found in source node ( nodeName='$self->{meta}->{source}->{nodeName}', nodeType='$self->{meta}->{source}->{nodeType}') try to \"prepare\" this node first?" ); |
$logger->critical( __PACKAGE__ . "->_run: No ident found in source node ( nodeName='$self->{meta}->{source}->{nodeName}', nodeType='$self->{meta}->{source}->{nodeType}') try to \"prepare\" this node first?" ); |
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return; |
return; |
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} |
} |
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#print "l" if $self->{verbose}; |
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my $statOK = $self->_statloadNode('target', $self->{node}->{source}->{ident}); |
my $statOK = $self->_statloadNode('target', $self->{node}->{source}->{ident}); |
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# mark node as new either if there's no ident or if stat/load failed |
# mark node as new either if there's no ident or if stat/load failed |
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#print "checksum", "\n"; |
#print "checksum", "\n"; |
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#print Dumper($self); |
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# determine status of entry by synchronization method |
# determine status of entry by synchronization method |
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if ( (lc $self->{args}->{method} eq 'checksum') ) { |
if ( lc $self->{options}->{metadata}->{syncMethod} eq 'checksum' ) { |
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#if ( $statOK && (lc $self->{args}->{method} eq 'checksum') ) { |
#if ( $statOK && (lc $self->{args}->{method} eq 'checksum') ) { |
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#if ( !$self->{node}->{status}->{new} && (lc $self->{args}->{method} eq 'checksum') ) { |
#if ( !$self->{node}->{status}->{new} && (lc $self->{args}->{method} eq 'checksum') ) { |
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# TODO: |
# calculate checksum of source node |
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# is this really worth a "critical"??? |
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# no - it should just be a debug appendix i believe |
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#print "readcs", "\n"; |
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# calculate checksum of source node |
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#$self->_calcChecksum('source'); |
#$self->_calcChecksum('source'); |
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if (!$self->_readChecksum('source')) { |
if (!$self->_readChecksum('source')) { |
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$logger->critical( __PACKAGE__ . "->_readChecksum: Could not find \"source\" entry with ident=\"$self->{node}->{source}->{ident}\"" ); |
$logger->warning( __PACKAGE__ . "->_run: Could not find \"source\" entry with ident=\"$self->{node}->{source}->{ident}\"" ); |
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$tc->{skip}++; |
$tc->{skip}++; |
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print "s" if $self->{verbose}; |
print "s" if $self->{verbose}; |
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next; |
next; |
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# determine if entry is "new" or "dirty" |
# determine if entry is "new" or "dirty" |
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# after all, this seems to be the point where the hammer falls..... |
# after all, this seems to be the point where the hammer falls..... |
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print "c" if $self->{verbose}; |
print "c" if $self->{verbose}; |
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# trace |
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#print Dumper($self->{node}); |
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#exit; |
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$self->{node}->{status}->{new} = !$self->{node}->{target}->{checksum}; |
$self->{node}->{status}->{new} = !$self->{node}->{target}->{checksum}; |
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if (!$self->{node}->{status}->{new}) { |
if (!$self->{node}->{status}->{new}) { |
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$self->{node}->{status}->{dirty} = |
$self->{node}->{status}->{dirty} = |
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$self->{args}->{force}; |
$self->{args}->{force}; |
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} |
} |
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} else { |
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$logger->warning( __PACKAGE__ . "->_run: Synchronization method '$self->{options}->{metadata}->{syncMethod}' is not implemented" ); |
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$tc->{skip}++; |
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print "s" if $self->{verbose}; |
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next; |
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} |
} |
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# first reaction on entry-status: continue with next entry if the current is already "in sync" |
# first reaction on entry-status: continue with next entry if the current is already "in sync" |
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} |
} |
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# build map to actually transfer the data from source to target |
# build map to actually transfer the data from source to target |
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$self->_buildMap(); |
if (!$self->buildAttributeMap()) { |
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#$logger->warning( __PACKAGE__ . "->_run: Attribute Map could not be created. Will not insert or modify node."); |
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$tc->{skip}++; |
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#print Dumper($self->{node}); exit; |
print "e" if $self->{verbose}; |
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next; |
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} |
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#print "attempt", "\n"; |
# trace |
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#print Dumper($self->{node}); exit; |
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#print "attempt", "\n"; |
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# additional (new) checks for feature "write-protection" |
# additional (new) checks for feature "write-protection" |
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if ($self->{meta}->{target}->{storage}->{isWriteProtected}) { |
if ($self->{meta}->{target}->{storage}->{isWriteProtected}) { |
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$tc->{attempt_transfer}++; |
$tc->{attempt_transfer}++; |
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print "\n" if $self->{verbose}; |
print "\n" if $self->{verbose}; |
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$logger->notice( __PACKAGE__ . "->syncNodes: Target is write-protected. Will not insert or modify node. " . |
$logger->notice( __PACKAGE__ . "->_run: Target is write-protected. Will not insert or modify node. " . |
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"(Ident: $self->{node}->{source}->{ident} " . "Dump:\n" . Dumper($self->{node}->{source}->{payload}) . ")" ); |
"(Ident: $self->{node}->{source}->{ident} " . "Dump:\n" . Dumper($self->{node}->{source}->{payload}) . ")" ); |
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print "\n" if $self->{verbose}; |
print "\n" if $self->{verbose}; |
377 |
$tc->{skip}++; |
$tc->{skip}++; |
378 |
next; |
next; |
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} |
} |
380 |
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# trace |
382 |
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#print Dumper($self); |
383 |
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#exit; |
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# transfer contents of map to target |
# transfer contents of map to target |
386 |
if ($self->{node}->{status}->{new}) { |
if ($self->{node}->{status}->{new}) { |
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$tc->{attempt_new}++; |
$tc->{attempt_new}++; |
410 |
print "e" if $self->{verbose}; |
print "e" if $self->{verbose}; |
411 |
} |
} |
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# trace |
414 |
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#print Dumper($self); |
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#exit; |
416 |
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417 |
# change ident in source (take from target), if transfer was ok and target is an IdentAuthority |
# change ident in source (take from target), if transfer was ok and target is an IdentAuthority |
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# this is (for now) called a "retransmit" indicated by a "r"-character when verbosing |
# this is (for now) called a "retransmit" indicated by a "r"-character when verbosing |
419 |
if ($self->{node}->{status}->{ok} && $self->{meta}->{target}->{storage}->{isIdentAuthority}) { |
#if ($self->{node}->{status}->{ok} && $self->{options}->{target}->{storage}->{idAuthority}) { |
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if ($self->{node}->{status}->{ok} && $self->{meta}->{target}->{isIdentAuthority}) { |
421 |
print "r" if $self->{verbose}; |
print "r" if $self->{verbose}; |
422 |
#print Dumper($self->{meta}); |
#print Dumper($self->{meta}); |
423 |
#print Dumper($self->{node}); |
#print Dumper($self->{node}); |
425 |
$self->_doModifySource_IdentChecksum($self->{node}->{target}->{ident}); |
$self->_doModifySource_IdentChecksum($self->{node}->{target}->{ident}); |
426 |
} |
} |
427 |
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print ":" if $self->{verbose}; |
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428 |
} |
} |
429 |
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430 |
print "\n" if $self->{verbose}; |
print "\n" if $self->{verbose}; |
440 |
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441 |
# todo!!! |
# todo!!! |
442 |
#sysevent( { usermsg => $msg, level => $level }, $taskEvent ); |
#sysevent( { usermsg => $msg, level => $level }, $taskEvent ); |
443 |
$logger->info( __PACKAGE__ . "->syncNodes: $msg" ); |
#$logger->info( __PACKAGE__ . "->_run: $msg" ); |
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$logger->info($msg . "\n"); |
445 |
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446 |
return $tc; |
return $tc; |
447 |
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492 |
} |
} |
493 |
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494 |
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sub _calcChecksum { |
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my $self = shift; |
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my $descent = shift; |
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my $specifier = shift; |
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# calculate checksum for current object |
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my $ident = $self->{node}->{$descent}->{ident}; |
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# build dump of this node |
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my $payload = $self->{node}->{$descent}->{payload}; |
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#my $dump = $ident . "\n" . $item->quickdump(); |
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#my $dump = $ident . "\n" . Dumper($item); |
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my $dump = $ident . "\n" . $self->_dumpCompact($payload); |
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# TODO: $logger->dump( ... ); |
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#$logger->debug( __PACKAGE__ . ": " . $dump ); |
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#$logger->dump( __PACKAGE__ . ": " . $dump ); |
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# calculate checksum from dump |
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# note: the 32-bit integer hash from DBI seems |
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# to generate duplicates with small payloads already in ranges of hundreds of items/rows!!! |
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# try to avoid to use it or try to use it only for payloads greater than, hmmm, let's say 30 chars? |
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# (we had about 15 chars average per item (row)) |
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# md5-based fingerprint, base64 encoded (from Digest::MD5) |
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$self->{node}->{$descent}->{checksum} = md5_base64($dump) . '=='; |
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# 32-bit integer "hash" value (maybe faster?) (from DBI) |
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|
#$self->{node}->{$descent}->{checksum} = DBI::hash($dump, 1); |
|
|
|
|
|
# signal good |
|
|
return 1; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
sub _readChecksum { |
|
|
my $self = shift; |
|
|
|
|
|
my $descent = shift; |
|
|
|
|
|
#print "getcheck:", "\n"; print Dumper($self->{node}->{$descent}); |
|
|
|
|
|
if (!$self->{node}->{$descent}) { |
|
|
# signal checksum bad |
|
|
return; |
|
|
} |
|
|
|
|
|
# get checksum for current entry |
|
|
# TODO: don't have the checksum column/property hardcoded as "cs" here, make this configurable somehow |
|
|
|
|
|
if ($self->{meta}->{$descent}->{storage}->{isChecksumAuthority}) { |
|
|
#$self->{node}->{$descent}->{checksum} = $entry->{cs}; |
|
|
#$self->{node}->{$descent}->{checksum} = $self->_calcChecksum($descent); # $entry->{cs}; |
|
|
#print "descent: $descent", "\n"; |
|
|
$self->_calcChecksum($descent); |
|
|
#print "checksum: ", $self->{node}->{$descent}->{checksum}, "\n"; |
|
|
} else { |
|
|
|
|
|
#$self->{node}->{$descent}->{checksum} = $entry->{cs}; |
|
|
$self->{node}->{$descent}->{checksum} = $self->{node}->{$descent}->{payload}->{cs}; |
|
|
} |
|
|
|
|
|
# signal checksum good |
|
|
return 1; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
sub _buildMap { |
|
|
|
|
|
my $self = shift; |
|
|
|
|
|
# field-structure for building sql |
|
|
# mapping of sql-fieldnames to object-attributes |
|
|
$self->{node}->{map} = {}; |
|
|
|
|
|
# manually set ... |
|
|
# ... object-id |
|
|
$self->{node}->{map}->{$self->{meta}->{target}->{IdentProvider}->{arg}} = $self->{node}->{source}->{ident}; |
|
|
# ... checksum |
|
|
$self->{node}->{map}->{cs} = $self->{node}->{source}->{checksum}; |
|
|
|
|
|
#print "sqlmap: ", Dumper($self->{node}->{map}), "\n"; |
|
|
|
|
|
# for transferring flat structures via simple (1:1) mapping |
|
|
# TODO: diff per property / property value |
|
|
|
|
|
if ($self->{args}->{mapping}) { |
|
|
# apply mapping from $self->{args}->{mapping} to $self->{node}->{map} |
|
|
#foreach my $key (@{$self->{meta}->{source}->{childnodes}}) { |
|
|
my @childnodes = @{$self->{meta}->{source}->{childnodes}}; |
|
|
for (my $mapidx = 0; $mapidx <= $#childnodes; $mapidx++) { |
|
|
#my $map_right = $self->{args}->{mapping}->{$key}; |
|
|
|
|
|
$self->{node}->{source}->{propcache} = {}; |
|
|
$self->{node}->{target}->{propcache} = {}; |
|
|
|
|
|
# get property name |
|
|
$self->{node}->{source}->{propcache}->{property} = $self->{meta}->{source}->{childnodes}->[$mapidx]; |
|
|
$self->{node}->{target}->{propcache}->{property} = $self->{meta}->{target}->{childnodes}->[$mapidx]; |
|
|
#print "map: $map_right", "\n"; |
|
|
|
|
|
# get property value |
|
|
my $value; |
|
|
|
|
|
# detect for callback - old style - (maybe the better???) |
|
|
if (ref($self->{node}->{target}->{map}) eq 'CODE') { |
|
|
#$value = &$map_right($objClone); |
|
|
} else { |
|
|
# plain (scalar?) value |
|
|
#$value = $objClone->{$map_right}; |
|
|
$self->{node}->{source}->{propcache}->{value} = $self->{node}->{source}->{payload}->{$self->{node}->{source}->{propcache}->{property}}; |
|
|
} |
|
|
#$self->{node}->{map}->{$key} = $value; |
|
|
|
|
|
# detect expression |
|
|
# for transferring deeply nested structures described by expressions |
|
|
#print "val: $self->{node}->{source}->{propcache}->{value}", "\n"; |
|
|
if ($self->{node}->{source}->{propcache}->{property} =~ s/^expr://) { |
|
|
|
|
|
# create an anonymous sub to act as callback target dispatcher |
|
|
my $cb_dispatcher = sub { |
|
|
#print "=============== CALLBACK DISPATCHER", "\n"; |
|
|
#print "ident: ", $self->{node}->{source}->{ident}, "\n"; |
|
|
#return $self->{node}->{source}->{ident}; |
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
#print Dumper($self->{node}); |
|
|
|
|
|
# build callback map for helper function |
|
|
#my $cbmap = { $self->{meta}->{source}->{IdentProvider}->{arg} => $cb_dispatcher }; |
|
|
my $cbmap = {}; |
|
|
my $value = refexpr2perlref($self->{node}->{source}->{payload}, $self->{node}->{source}->{propcache}->{property}, $cbmap); |
|
|
$self->{node}->{source}->{propcache}->{value} = $value; |
|
|
} |
|
|
|
|
|
# encode values dependent on type of underlying storage here - expand cases... |
|
|
my $storage_type = $self->{meta}->{target}->{storage}->{locator}->{type}; |
|
|
if ($storage_type eq 'DBI') { |
|
|
# ...for sql |
|
|
$self->{node}->{source}->{propcache}->{value} = quotesql($self->{node}->{source}->{propcache}->{value}); |
|
|
} |
|
|
elsif ($storage_type eq 'Tangram') { |
|
|
# iso? utf8 already possible? |
|
|
|
|
|
} elsif ($storage_type eq 'LDAP') { |
|
|
# TODO: encode utf8 here? |
|
|
} |
|
|
|
|
|
# store value to transfer map |
|
|
$self->{node}->{map}->{$self->{node}->{target}->{propcache}->{property}} = $self->{node}->{source}->{propcache}->{value}; |
|
|
|
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
# TODO: $logger->dump( ... ); |
|
|
#$logger->debug( "sqlmap:" . "\n" . Dumper($self->{node}->{map}) ); |
|
|
#print "sqlmap: ", Dumper($self->{node}->{map}), "\n"; |
|
|
#print "entrystatus: ", Dumper($self->{node}), "\n"; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
495 |
|
|
496 |
sub _modifyNode { |
sub _doTransferToTarget { |
497 |
my $self = shift; |
my $self = shift; |
|
my $descent = shift; |
|
498 |
my $action = shift; |
my $action = shift; |
|
my $map = shift; |
|
|
my $crit = shift; |
|
|
|
|
|
# map for new style callbacks |
|
|
my $map_callbacks = {}; |
|
|
|
|
|
# checks go first! |
|
|
|
|
|
# TODO: this should be reviewed first - before extending ;-) |
|
|
# TODO: this should be extended: |
|
|
# count this cases inside the caller to this sub and provide a better overall message |
|
|
# if this counts still zero in the end: |
|
|
# "No nodes have been touched for modify: Do you have column-headers in your csv file?" |
|
|
if (not defined $self->{node}) { |
|
|
#$logger->critical( __PACKAGE__ . "->_modifyNode failed: \"$descent\" node is empty." ); |
|
|
#return; |
|
|
} |
|
|
|
|
|
# transfer callback nodes from value map to callback map - handle them afterwards! - (new style callbacks) |
|
|
if (my $callbacks = $self->{meta}->{$descent}->{Callback}) { |
|
|
foreach my $callback (keys %{$callbacks->{write}}) { |
|
|
$map_callbacks->{write}->{$callback} = $map->{$callback}; |
|
|
delete $map->{$callback}; |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
#print Dumper($self->{meta}); |
|
|
|
|
|
# DBI speaks SQL |
|
|
if ($self->{meta}->{$descent}->{storage}->{locator}->{type} eq 'DBI') { |
|
|
|
|
|
#print Dumper($self->{node}); |
|
|
my $sql_main; |
|
|
# translate map to sql |
|
|
#print $action, "\n"; exit; |
|
|
#print $self->{meta}->{$descent}->{node}, "\n"; exit; |
|
|
#print "action:"; |
|
|
#print $action, "\n"; |
|
|
#$action = "anc"; |
|
|
#print "yai", "\n"; |
|
|
|
|
|
#print Dumper($map); |
|
|
#delete $map->{cs}; |
|
|
|
|
|
if (lc($action) eq 'insert') { |
|
|
$sql_main = hash2Sql($self->{meta}->{$descent}->{node}, $map, 'SQL_INSERT'); |
|
|
} elsif (lc $action eq 'update') { |
|
|
$crit ||= "$self->{meta}->{$descent}->{IdentProvider}->{arg}='$self->{node}->{$descent}->{ident}'"; |
|
|
$sql_main = hash2Sql($self->{meta}->{$descent}->{node}, $map, 'SQL_UPDATE', $crit); |
|
|
} |
|
|
|
|
|
#$sql_main = "UPDATE currencies_csv SET oid='abcdef' WHERE text='Australian Dollar' AND key='AUD';"; |
|
|
#$sql_main = "UPDATE currencies_csv SET oid='huhu2' WHERE ekey='AUD'"; |
|
|
|
|
|
#print "sql: ", $sql_main, "\n"; |
|
|
#exit; |
|
|
|
|
|
# transfer data |
|
|
my $sqlHandle = $self->{meta}->{$descent}->{storage}->sendCommand($sql_main); |
|
|
|
|
|
#exit; |
|
|
|
|
|
# handle errors |
|
|
if ($sqlHandle->err) { |
|
|
#if ($self->{args}->{debug}) { print "sql-error with statement: $sql_main", "\n"; } |
|
|
$self->{node}->{status}->{error} = { |
|
|
statement => $sql_main, |
|
|
state => $sqlHandle->state, |
|
|
err => $sqlHandle->err, |
|
|
errstr => $sqlHandle->errstr, |
|
|
}; |
|
|
} else { |
|
|
$self->{node}->{status}->{ok} = 1; |
|
|
} |
|
|
|
|
|
# Tangram does it the oo-way (naturally) |
|
|
} elsif ($self->{meta}->{$descent}->{storage}->{locator}->{type} eq 'Tangram') { |
|
|
my $sql_main; |
|
|
my $object; |
|
|
|
|
|
# determine classname |
|
|
my $classname = $self->{meta}->{$descent}->{node}; |
|
499 |
|
|
500 |
# properties to exclude |
# trace |
501 |
my @exclude = @{$self->{meta}->{$descent}->{subnodes_exclude}}; |
#print Dumper($self->{meta}); |
502 |
|
#print Dumper($self->{node}); |
503 |
|
#exit; |
|
if (my $identProvider = $self->{meta}->{$descent}->{IdentProvider}) { |
|
|
push @exclude, $identProvider->{arg}; |
|
|
} |
|
|
|
|
|
# new feature: |
|
|
# - check TypeProvider metadata property from other side |
|
|
# - use argument (arg) inside as a classname for object creation on this side |
|
|
#my $otherSide = $self->_otherSide($descent); |
|
|
if (my $typeProvider = $self->{meta}->{$descent}->{TypeProvider}) { |
|
|
#print Dumper($map); |
|
|
$classname = $map->{$typeProvider->{arg}}; |
|
|
# remove nodes from map also (push nodes to "subnodes_exclude" list) |
|
|
push @exclude, $typeProvider->{arg}; |
|
|
} |
|
|
|
|
|
# exclude banned properties (remove from map) |
|
|
#map { delete $self->{node}->{map}->{$_} } @{$self->{args}->{exclude}}; |
|
|
map { delete $map->{$_} } @exclude; |
|
|
|
|
|
# list of properties |
|
|
my @props = keys %{$map}; |
|
504 |
|
|
|
# transfer data |
|
|
if (lc $action eq 'insert') { |
|
|
|
|
|
# build array to initialize object |
|
|
#my @initarray = (); |
|
|
#map { push @initarray, $_, undef; } @props; |
|
|
|
|
|
# make the object persistent in four steps: |
|
|
# - raw create (perl / class tangram scope) |
|
|
# - engine insert (tangram scope) ... this establishes inheritance - don't try to fill in inherited properties before! |
|
|
# - raw fill-in from hash (perl scope) |
|
|
# - engine update (tangram scope) ... this updates all properties just filled in |
|
|
|
|
|
# create new object ... |
|
|
#my $object = $classname->new( @initarray ); |
|
|
$object = $classname->new(); |
|
|
|
|
|
# ... pass to orm ... |
|
|
$self->{meta}->{$descent}->{storage}->insert($object); |
|
|
|
|
|
# ... and initialize with empty (undef'd) properties. |
|
|
#print Dumper(@props); |
|
|
map { $object->{$_} = undef; } @props; |
|
|
|
|
|
# mix in values ... |
|
|
hash2object($object, $map); |
|
|
|
|
|
# ... and re-update@orm. |
|
|
#print Dumper($object); |
|
|
$self->{meta}->{$descent}->{storage}->update($object); |
|
|
|
|
|
# asymmetry: get ident after insert |
|
|
# TODO: |
|
|
# - just do this if it is an IdentAuthority |
|
|
# - use IdentProvider metadata here |
|
|
#print Dumper($self->{meta}->{$descent}); |
|
|
my $oid = $self->{meta}->{$descent}->{storage}->id($object); |
|
|
#print "oid: $oid", "\n"; |
|
|
$self->{node}->{$descent}->{ident} = $oid; |
|
|
|
|
|
|
|
|
} elsif (lc $action eq 'update') { |
|
|
|
|
|
# get fresh object from orm first |
|
|
$object = $self->{meta}->{$descent}->{storage}->load($self->{node}->{$descent}->{ident}); |
|
|
|
|
|
#print Dumper($self->{node}); |
|
|
|
|
|
# mix in values |
|
|
#print Dumper($object); |
|
|
hash2object($object, $map); |
|
|
#print Dumper($object); |
|
|
#exit; |
|
|
$self->{meta}->{$descent}->{storage}->update($object); |
|
|
} |
|
|
|
|
|
my $error = 0; |
|
|
|
|
|
# handle new style callbacks - this is a HACK - do this without an eval! |
|
|
#print Dumper($map); |
|
|
#print "cb: ", Dumper($self->{meta}->{$descent}->{Callback}); |
|
|
#print Dumper($map_callbacks); |
|
|
foreach my $node (keys %{$map_callbacks->{write}}) { |
|
|
#print Dumper($node); |
|
|
my $perl_callback = $self->{meta}->{$descent}->{node} . '::' . $node . '_write'; |
|
|
my $evalstring = $perl_callback . '( { object => $object, value => $map_callbacks->{write}->{$node}, storage => $self->{meta}->{$descent}->{storage} } );'; |
|
|
#print $evalstring, "\n"; exit; |
|
|
eval($evalstring); |
|
|
if ($@) { |
|
|
$error = 1; |
|
|
print $@, "\n"; |
|
|
} |
|
|
|
|
|
#print "after eval", "\n"; |
|
|
|
|
|
if (!$error) { |
|
|
# re-update@orm |
|
|
$self->{meta}->{$descent}->{storage}->update($object); |
|
|
} |
|
|
} |
|
|
|
|
|
# handle errors |
|
|
if ($error) { |
|
|
#print "error", "\n"; |
|
|
=pod |
|
|
my $sqlHandle; |
|
|
#if ($self->{args}->{debug}) { print "sql-error with statement: $sql_main", "\n"; } |
|
|
$self->{node}->{status}->{error} = { |
|
|
statement => $sql_main, |
|
|
state => $sqlHandle->state, |
|
|
err => $sqlHandle->err, |
|
|
errstr => $sqlHandle->errstr, |
|
|
}; |
|
|
=cut |
|
|
# rollback.... |
|
|
#print "rollback", "\n"; |
|
|
$self->{meta}->{$descent}->{storage}->erase($object); |
|
|
#print "after rollback", "\n"; |
|
|
} else { |
|
|
$self->{node}->{status}->{ok} = 1; |
|
|
} |
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
sub _doTransferToTarget { |
|
|
my $self = shift; |
|
|
my $action = shift; |
|
505 |
$self->_modifyNode('target', $action, $self->{node}->{map}); |
$self->_modifyNode('target', $action, $self->{node}->{map}); |
506 |
} |
} |
507 |
|
|
508 |
|
|
509 |
sub _doModifySource_IdentChecksum { |
sub _doModifySource_IdentChecksum { |
510 |
my $self = shift; |
my $self = shift; |
511 |
my $ident_new = shift; |
my $ident_new = shift; |
602 |
$i++; |
$i++; |
603 |
} |
} |
604 |
|
|
605 |
print "\n" if $self->{verbose}; |
#print "\n" if $self->{verbose}; |
606 |
|
|
607 |
if (!$i) { |
if (!$i) { |
608 |
$logger->warning( __PACKAGE__ . "->_prepareNode_DummyIdent: no nodes touched" ); |
$logger->warning( __PACKAGE__ . "->_prepareNode_DummyIdent: no nodes touched" ); |
619 |
return ''; |
return ''; |
620 |
} |
} |
621 |
|
|
|
sub _erase_all { |
|
|
my $self = shift; |
|
|
my $descent = shift; |
|
|
#my $node = shift; |
|
|
my $node = $self->{meta}->{$descent}->{node}; |
|
|
$self->{meta}->{$descent}->{storage}->eraseAll($node); |
|
|
} |
|
622 |
|
|
623 |
1; |
1; |
624 |
|
__END__ |