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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 associated pod text |
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## or 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 1.10 2004/06/19 01:43:03 joko |
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## code from _prepareOptions now split into _prepareMap and _mergeOptions |
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## |
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## Revision 1.9 2003/05/13 08:16:44 joko |
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## minor update: modified header |
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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 08:00:24 joko |
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## debugging |
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## |
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## Revision 1.6 2003/02/14 12:58:47 joko |
## Revision 1.6 2003/02/14 12:58:47 joko |
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## + re-enabled the erase-mechanism |
## + re-enabled the erase-mechanism |
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## |
## |
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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 Data::Compare::Struct qw( isEmpty ); |
use Data::Mungle::Compare::Struct qw( isEmpty ); |
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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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dbKey => $self->{args_raw}->{source}, |
dbKey => $self->{args_raw}->{source}, |
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nodeType => $self->{args_raw}->{'source-type'}, |
nodeType => $self->{args_raw}->{'source-type'}, |
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nodeName => $self->{args_raw}->{'source-node'}, |
nodeName => $self->{args_raw}->{'source-node'}, |
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ident => $self->{args_raw}->{'source-ident'}, |
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}, |
}, |
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target => { |
target => { |
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dbKey => $self->{args_raw}->{target}, |
dbKey => $self->{args_raw}->{target}, |
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my $self = shift; |
my $self = shift; |
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my $args = shift; |
my $args = shift; |
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$logger->notice( "========================== " . __PACKAGE__ . "->syncNodes =============="); |
#$logger->notice( "========================== " . __PACKAGE__ . "->syncNodes =============="); |
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$logger->debug( __PACKAGE__ . "->syncNodes: starting" ); |
$logger->debug( __PACKAGE__ . "->syncNodes: starting" ); |
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#print Dumper($self); |
#print Dumper($self); |
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#print Dumper($self); |
#print Dumper($self); |
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#exit; |
#exit; |
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$logger->info( __PACKAGE__ . "->syncNodes: source=$self->{meta}->{source}->{dbKey}/$self->{meta}->{source}->{nodeName} [$self->{meta}->{source}->{nodeType}] $direction_arrow target=$self->{meta}->{target}->{dbKey}/$self->{meta}->{target}->{nodeName} [$self->{meta}->{target}->{nodeType}]" ); |
# V1: |
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$logger->debug( __PACKAGE__ . "->syncNodes: source=$self->{meta}->{source}->{dbKey}/$self->{meta}->{source}->{nodeName} [$self->{meta}->{source}->{nodeType}] $direction_arrow target=$self->{meta}->{target}->{dbKey}/$self->{meta}->{target}->{nodeName} [$self->{meta}->{target}->{nodeType}]" ); |
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# V2: |
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my $what = "$self->{meta}->{source}->{dbKey}/$self->{meta}->{source}->{nodeName} [$self->{meta}->{source}->{nodeType}] $direction_arrow $self->{meta}->{target}->{dbKey}/$self->{meta}->{target}->{nodeName} [$self->{meta}->{target}->{nodeType}]"; |
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#my $header = ("~.." x 7) . " " . $what . " " . ("~.." x 4); |
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#my $header = ("= " x 7) . " " . $what . " " . ("= " x 4); |
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#my $header = ("~=-_-=" x 3) . " " . $what . " " . ("~=-_-=" x 4); |
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my $header = ("_-=~=-" x 4) . " " . $what . " " . ("_-=~=-" x 4); |
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$logger->notice($header); |
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return if !$self->buildFieldmapping(); |
return if !$self->buildFieldmapping(); |
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return if !$self->_touchNodeSet(); |
return if !$self->_touchNodeSet(); |
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EOT |
EOT |
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$logger->notice( $ql ); |
chomp($ql); |
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$logger->info($ql); |
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#exit; |
#exit; |
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return; |
return; |
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# inform user about option preparation |
# inform user about option preparation |
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$logger->debug( __PACKAGE__ . "->_prepareOptions( source.node='$opts->{source}->{nodeName}', target.node='$opts->{target}->{nodeName}', mode='$opts->{process}->{mode}', e='$opts->{process}->{erase}', p='$opts->{process}->{prepare}' )"); |
$logger->debug( __PACKAGE__ . "->_prepareOptions( source.node='$opts->{source}->{nodeName}', target.node='$opts->{target}->{nodeName}', mode='$opts->{process}->{mode}', e='$opts->{process}->{erase}', p='$opts->{process}->{prepare}' )"); |
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# try to load mapping-metadata-container |
my $map = {}; |
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# How? Create a new instance of the given |
$map = $self->_prepareMap($opts) if not $opts->{process}->{prepare}; |
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# perl module/package name in ->{...}->{moduleName}. |
#$map = $self->_prepareMap($opts); |
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# This instance is used later in the innards of the sync, |
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# that's why the module (class) should have a certain layout |
# merge all together |
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# enabling the core to use it for gathering metadata while processing. |
$self->_mergeOptions($opts, $map); |
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my $mapObject = DesignPattern::Object->fromPackage($opts->{map}->{moduleName}); |
#print Dumper($self->{options}); |
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# try to resolve map from metadata-container |
$self->{state}->{options_ready} = 1; |
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# type of the item/node |
return 1; |
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my $source_nodeType = $opts->{source}->{nodeType}; |
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# check if mapping for certain node is contained in mapping object |
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if (!$mapObject || !$mapObject->can($source_nodeType)) { |
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$logger->warning( __PACKAGE__ . "->_prepareOptions: Can't access mapping for source-type=\"$source_nodeType\" - please check \"$opts->{map}->{moduleName}\"."); |
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return; |
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} |
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# get map |
} |
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my $map = $mapObject->$source_nodeType; |
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#print Dumper($map); |
sub _prepareMap { |
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my $self = shift; |
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my $opts = shift; |
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my $map_version = $map->{metadata}->{version}; |
# 1. try to load mapping-metadata-container |
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# FIXME: backward compatibility |
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if (!$map_version) { |
# How? Create a new instance of the given |
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$self->options_to_V2($map); |
# perl module/package name in ->{...}->{moduleName}. |
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} |
# This instance is used later in the innards of the sync, |
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# that's why the module (class) should have a certain layout |
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# enabling the core to use it for gathering metadata while processing. |
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my $mapObject = DesignPattern::Object->fromPackage($opts->{map}->{moduleName}); |
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# trace |
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#print Dumper($map); |
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#exit; |
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#print "ref: ", ref $map->{target}, "\n"; |
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#print "target: ", $map->{target}, "\n"; |
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# check here if "target" is actually a CODEref - in this case: resolve it - deprecated!!! ??? |
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if (ref $map->{target}->{address} eq 'CODE') { |
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$map->{target}->{address} = $map->{target}->{address}->($source_nodeType); |
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} |
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# resolve expressions (on nodename-level) here |
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elsif ($map->{target}->{address} =~ m/^(code|expr):(.+?)$/) { |
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my $target_dynamic_type = $1; |
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my $target_dynamic_expression = $2; |
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if (lc $target_dynamic_type eq 'code') { |
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$map->{target} = $mapObject->$target_dynamic_expression($map); |
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} |
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} |
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# merging - V1 |
# 2. try to resolve map from metadata-container |
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#map { $opts->{$_} = $map->{$_}; } keys %$map; |
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# trace |
# type of the item/node |
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#print Dumper($self->{options}); |
my $source_nodeType = $opts->{source}->{nodeType}; |
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# merging - V2 |
# check if mapping for certain node is contained in mapping object |
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if (!$mapObject || !$mapObject->can($source_nodeType)) { |
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$logger->warning( __PACKAGE__ . "->_prepareOptions: Can't access mapping for source-type=\"$source_nodeType\" - please check \"$opts->{map}->{moduleName}\"."); |
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return; |
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} |
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# merge local map with local opts |
# get map |
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my $map = $mapObject->$source_nodeType; |
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# delete undef'd items in $map |
#print Dumper($map); |
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# enable cloning |
my $map_version = $map->{metadata}->{version}; |
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# FIXME: do we really need cloning here? trade safety/encapsulation for speed? |
# FIXME: backward compatibility |
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Hash::Merge::set_clone_behavior(1); |
if (!$map_version) { |
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Hash::Merge::set_behavior( 'RIGHT_PRECEDENT' ); |
$self->options_to_V2($map); |
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#Hash::Merge::set_behavior( 'STORAGE_PRECEDENT' ); |
} |
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#Hash::Merge::set_behavior( 'RETAINMENT_PRECEDENT' ); |
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# TODO: add an option to Hash::Merge not to overwrite set items with undefined/empty/not assigned ones |
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my $locals_merged = merge( $opts, $map ); |
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# trace |
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#print Dumper($opts); |
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#print Dumper($map); |
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#print Dumper($locals_merged); |
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#exit; |
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# merge local-merged ones with instance-wide options |
# trace |
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Hash::Merge::set_clone_behavior(0); |
#print Dumper($map); |
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$self->{options} = merge( $self->{options}, $locals_merged ); |
#exit; |
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#print "ref: ", ref $map->{target}, "\n"; |
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#print "target: ", $map->{target}, "\n"; |
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# trace |
# check here if "target" is actually a CODEref - in this case: resolve it - deprecated!!! ??? |
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#print Dumper($self->{options}); |
if (ref $map->{target}->{address} eq 'CODE') { |
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#exit; |
$map->{target}->{address} = $map->{target}->{address}->($source_nodeType); |
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} |
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# resolve expressions (on nodename-level) here |
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elsif ($map->{target}->{address} =~ m/^(code|expr):(.+?)$/) { |
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my $target_dynamic_type = $1; |
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my $target_dynamic_expression = $2; |
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if (lc $target_dynamic_type eq 'code') { |
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$map->{target} = $mapObject->$target_dynamic_expression($map); |
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} |
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} |
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return $map; |
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} |
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$self->{state}->{options_ready} = 1; |
sub _mergeOptions { |
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my $self = shift; |
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my $opts = shift; |
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my $map = shift; |
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return 1; |
# 1. merge local map with local opts |
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# delete undef'd items in $map |
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# enable cloning |
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# FIXME: do we really need cloning here? trade safety/encapsulation for speed? |
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Hash::Merge::set_clone_behavior(1); |
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Hash::Merge::set_behavior( 'RIGHT_PRECEDENT' ); |
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#Hash::Merge::set_behavior( 'STORAGE_PRECEDENT' ); |
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#Hash::Merge::set_behavior( 'RETAINMENT_PRECEDENT' ); |
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# TODO: add an option to Hash::Merge not to overwrite set items with undefined/empty/not assigned ones |
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my $locals_merged = merge( $opts, $map ); |
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# 2. merge local-merged ones with instance-wide options |
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Hash::Merge::set_clone_behavior(0); |
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$self->{options} = merge( $self->{options}, $locals_merged ); |
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} |
} |
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sub _preCheckOptions { |
sub _preCheckOptions { |
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my $self = shift; |
my $self = shift; |
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#print Dumper($opts); |
#print Dumper($opts); |
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#exit; |
#exit; |
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if (!$opts->{process}->{mode}) { |
if (!$opts->{process}->{mode} and !$opts->{process}->{prepare}) { |
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$logger->error( __PACKAGE__ . "->_preCheckOptions failed: Please specify \"--action=(load|save)\"."); |
$logger->error( __PACKAGE__ . "->_preCheckOptions failed: Please specify \"--action=(load|save)\" or \"--prepare\"."); |
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return; |
return; |
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} |
} |
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$logger->warning( __PACKAGE__ . "->_preCheckOptions: No mapping supplied - please check key 'map|mappings' in global configuration or specify additional argument '--mapping-module'."); |
$logger->warning( __PACKAGE__ . "->_preCheckOptions: No mapping supplied - please check key 'map|mappings' in global configuration or specify additional argument '--mapping-module'."); |
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return; |
return; |
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} |
} |
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if (!$opts->{map}->{moduleName}) { |
if (!$opts->{map}->{moduleName} and !$opts->{process}->{prepare}) { |
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$logger->warning( __PACKAGE__ . "->_preCheckOptions: Currently only perl-modules can provide mappings: Please specify one with '--mapping-module=My::Mapping::Module'."); |
$logger->warning( __PACKAGE__ . "->_preCheckOptions: Currently only perl-modules can provide mappings: Please specify one with '--mapping-module=My::Mapping::Module'."); |
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return; |
return; |
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} |
} |
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if ($self->{options}->{process}->{prepare}) { |
if ($self->{options}->{process}->{prepare}) { |
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$self->_prepareNode_MetaProperties('source'); |
$self->_prepareNode_MetaProperties('source'); |
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$self->_prepareNode_DummyIdent('source'); |
$self->_prepareNode_DummyIdent('source'); |
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#return; |
return; |
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#$self->_erase_all($opts->{source_node}); |
#$self->_erase_all($opts->{source_node}); |
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} |
} |
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