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# $Id$ |
# $Id$ |
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# |
# |
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# $Log$ |
# $Log$ |
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# Revision 1.37 2003/05/10 17:37:39 jonen |
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# corrected last commit |
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# |
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# Revision 1.36 2003/05/10 17:31:18 jonen |
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# + added new functions related to 'create' item |
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# - createNode() |
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# # creates non-persistent 'deep dummy filled' object |
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# - insertChildNode() |
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# # inserts child node at given parent (child node haven't to exists, |
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# createNode will be injected transparently) |
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# |
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# Revision 1.35 2003/04/19 16:09:48 jonen |
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# + added operator dispatching (currently for getting ref-type) at 'getListFiltered' |
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# |
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# Revision 1.34 2003/04/11 01:18:53 joko |
# Revision 1.34 2003/04/11 01:18:53 joko |
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# sendQuery: |
# sendQuery: |
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# + introduced crud action 'DELETE' |
# + introduced crud action 'DELETE' |
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# objects => $objects, |
# objects => $objects, |
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# ); |
# ); |
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|
|
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# HACK: build eval-string (sorry) to get filtered list - please give advice here |
# TODO: is_op? |
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push @tfilters, '$remote->{' . $filter->{key} . '}' . " $filter->{op} '$filter->{val}'"; |
# dispatch un-common operators if exists |
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if($filter->{op} eq "ref") { |
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push @tfilters, 'ref($remote->{' . $filter->{key} . '})' . " eq '$filter->{val}'"; |
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} else { |
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# HACK: build eval-string (sorry) to get filtered list - please give advice here |
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push @tfilters, '$remote->{' . $filter->{key} . '}' . " $filter->{op} '$filter->{val}'"; |
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} |
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|
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} |
} |
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|
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} elsif (my $guid = $query->{options}->{GUID}) { |
} elsif (my $guid = $query->{options}->{GUID}) { |
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$type = 'TRANSPARENT'; |
$type = 'TRANSPARENT'; |
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$query->{criterias} = [ { key => 'guid', op => 'eq', val => $guid } ]; |
$query->{criterias} = [ { key => 'guid', op => 'eq', val => $guid } ]; |
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|
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# if operator is different (dispatcher for 'getListFiltered') |
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} elsif (my $op = $query->{options}->{op}) { |
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$type = 'TRANSPARENT'; |
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$query->{criterias} = [ { key => $query->{options}->{meta_label}, op => $op, val => $query->{options}->{meta_value} } ]; |
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|
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} |
} |
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# HACK: special case: querying by id does not translate into a common tangram query |
# HACK: special case: querying by id does not translate into a common tangram query |
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|
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$self->erase($object); |
$self->erase($object); |
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|
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} elsif ($crud eq 'CREATE') { |
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|
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my $nodename = $query->{node}; |
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my $newnode = $self->createNode($nodename); |
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my $id = $self->{_COREHANDLE}->insert($newnode); |
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|
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print "Saved new node $nodename with GUID $newnode->{guid}, OID '$id': " . Dumper($newnode) . "\n"; |
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return $newnode; |
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} |
} |
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} |
} |
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$self->{dataStorageLayer}->disconnect(); |
$self->{dataStorageLayer}->disconnect(); |
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} |
} |
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|
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|
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sub createNode { |
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my $self = shift; |
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my $classname = shift; |
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my $obj = $classname->new(); |
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|
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my $attr_options = Class::Tangram::attribute_options($classname); |
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#print "Attribute Options: " . Dumper($attr_options); |
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|
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my $attr_types = Class::Tangram::attribute_types($classname); |
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#print "Attribute Types: " . Dumper($attr_types); |
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|
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foreach(keys %{$attr_types}) { |
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if($attr_types->{$_} eq 'string') { |
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$obj->{$_} = ''; |
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} elsif($attr_types->{$_} eq 'int') { |
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$obj->{$_} = 0; |
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} elsif($attr_types->{$_} eq 'real') { |
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$obj->{$_} = 0; |
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} elsif($attr_types->{$_} eq 'rawdatetime') { |
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$obj->{$_} = '0000-00-00 00:00:00'; |
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} elsif($attr_types->{$_} eq 'ref') { |
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if($attr_options->{$_}->{class}) { |
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$obj->{$_} = $self->createNode($attr_options->{$_}->{class}); |
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} else { |
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#$obj->{$_} = undef(); |
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} |
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} elsif($attr_types->{$_} eq 'iarray') { |
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$obj->{$_} = [ ]; |
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} elsif($attr_types->{$_} eq 'hash') { |
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$obj->{$_} = { }; |
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} elsif($attr_types->{$_} eq 'flat_hash') { |
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$obj->{$_} = { }; |
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} |
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} |
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#print "New Object: " . Dumper($obj); |
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return $obj; |
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} |
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sub insertChildNode { |
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my $self = shift; |
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my $child_entry = shift; |
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my $query_args = shift; |
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my $core = $self->{_COREHANDLE}; |
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my $nodename = $query_args->{nodename}; |
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# get parent object |
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my $query = { |
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node => $query_args->{parent}->{nodename}, |
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options => { GUID => $query_args->{parent}->{guid}, }, |
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}; |
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my $cursor = $self->sendQuery($query); |
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my $parent = $cursor->getNextEntry(); |
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|
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# debug |
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#print "Parent_org: " . Dumper($parent); |
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|
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# Create child node object if isn't already done |
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# ($child_entry have to be the class name then...) |
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if(!ref($child_entry)) { |
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$child_entry = $self->createNode($child_entry); |
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# it could be insert 'manually' or will be insert 'transparent' if parent will be updated |
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#$core->insert($child_entry); |
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#print "Create child object [$nodename]: " . Dumper($child_entry); |
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} |
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# get reference of tied node |
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my $tied_node = tied $parent->{$nodename}; |
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# insert/change child entry at parent |
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#print "reference: " . ref($parent->{$nodename}) . "\n"; |
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if(ref($parent->{$nodename}) eq 'ARRAY') { |
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# all tangram types are tied as 'SCALAR' with special 'FETCH', 'STORE' methods per type, |
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# so a 'PUSH' is not implemented (which could be then done transparently) |
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my $array = $tied_node->FETCH; |
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push @$array, $child_entry; |
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$tied_node->STORE($array); |
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# node will be normaly untied at 'STORE' |
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if(tied $parent->{$nodename}) { print "already tied !!\n"; } |
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else { undef $tied_node; } |
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} |
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elsif(ref($parent->{$nodename}) eq 'HASH') { |
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if(my $key = $query_args->{hash_key}) { |
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# same problem as with 'ARRAY': |
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# all tangram types are tied as 'SCALAR' with special 'FETCH', 'STORE' methods per type. |
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my $hash = $tied_node->FETCH; |
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$hash->{$key} = $child_entry; |
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$tied_node->STORE($hash); |
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# node will be normaly untied at 'STORE' |
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if(tied $parent->{$nodename}) { print "already tied !!\n"; } |
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else { undef $tied_node; } |
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} else { |
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print "ERROR: No HASH KEY given, so not able to insert hash entry!"; |
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} |
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} |
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else { |
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$parent->{$nodename} = $child_entry; |
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} |
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# debug |
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#print "Parent_new: " . Dumper($parent); |
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# save parent |
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$core->update($parent); |
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# debug |
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#print "Saved Parent: ". Dumper($parent); |
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return $child_entry; |
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} |
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1; |
1; |
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__END__ |
__END__ |