1 |
joko |
1.6 |
############################################ |
2 |
cvsjoko |
1.1 |
# |
3 |
joko |
1.27 |
# $Id: Tangram.pm,v 1.26 2003/01/30 22:29:47 joko Exp $ |
4 |
joko |
1.2 |
# |
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# $Log: Tangram.pm,v $ |
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joko |
1.27 |
# Revision 1.26 2003/01/30 22:29:47 joko |
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# + fixed module usage (removed dependency on 'libp.pm') |
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# |
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joko |
1.26 |
# Revision 1.25 2003/01/19 02:30:05 joko |
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# + fix: modified call to '_initSchema' |
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# |
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joko |
1.25 |
# Revision 1.24 2002/12/22 14:13:01 joko |
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# + sub dropDb |
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# |
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joko |
1.24 |
# Revision 1.23 2002/12/19 16:31:53 joko |
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# +- renamed sub to 'rebuildDb' |
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# |
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joko |
1.23 |
# Revision 1.22 2002/12/18 22:28:16 jonen |
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# + added extended logging at 'getObjectByGuid()' |
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# |
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jonen |
1.22 |
# Revision 1.21 2002/12/16 22:20:49 jonen |
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# + fixed bug at 'getObjectByGuid()' |
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# |
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jonen |
1.21 |
# Revision 1.20 2002/12/16 20:49:17 jonen |
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# + added sub 'getObjectByGuid()' |
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# + added functionality to use 'getObjectByGuid' at 'getObjectAsHash()' |
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# |
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jonen |
1.20 |
# Revision 1.19 2002/12/16 06:46:09 joko |
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# + attempt to introduce a generic '_patchSchema' - cancelled! |
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# |
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joko |
1.19 |
# Revision 1.18 2002/12/13 21:48:07 joko |
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# + fix to 'sub sendQuery' |
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# |
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joko |
1.18 |
# Revision 1.17 2002/12/12 02:51:09 joko |
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# + cosmetics |
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# |
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joko |
1.17 |
# Revision 1.16 2002/12/11 06:54:10 joko |
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# + fix: encapsulated object-loading inside an 'eval' |
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# |
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joko |
1.16 |
# Revision 1.15 2002/12/05 13:55:21 joko |
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# + now utilizing 'object2hash' instead of 'var_deref' |
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# + played around with having fresh-objects - no progress.... |
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# |
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joko |
1.15 |
# Revision 1.14 2002/12/05 09:40:30 jonen |
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# + added option->{destroy} at getObject for unloading all instance |
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# |
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jonen |
1.14 |
# Revision 1.13 2002/12/05 07:59:04 joko |
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# + now using Tie::SecureHash as a base for the COREHANDLE |
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# + former public COREHANDLE becomes private _COREHANDLE now |
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# + sub getCOREHANDLE |
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# |
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joko |
1.13 |
# Revision 1.12 2002/12/04 11:34:49 joko |
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# - $schema_tangram doesn't have to be in class? |
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# |
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joko |
1.12 |
# Revision 1.11 2002/12/04 08:54:08 jonen |
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# + untested bugfix: undef($object) after transform to hash at getObjectAsHash |
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# |
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jonen |
1.11 |
# Revision 1.10 2002/12/03 15:53:23 joko |
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# + small bugfix regarding object hierarchy |
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# |
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joko |
1.10 |
# Revision 1.9 2002/12/03 05:29:40 joko |
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# + sub getObject |
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# + sub getObjectAsHash |
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# |
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joko |
1.9 |
# Revision 1.8 2002/12/01 22:25:51 joko |
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# + now utilizing metadata from storage locator when connecting to DBI in "raw"-mode |
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# |
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joko |
1.8 |
# Revision 1.7 2002/12/01 04:46:19 joko |
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# + sub eraseAll |
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# |
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joko |
1.7 |
# Revision 1.6 2002/11/29 05:02:30 joko |
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# - sub getNewPerlObjectByPkgName (moved to libp.pm) |
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# + sub getMetaInfo |
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# - sub existsChildNode (moved to Abstract.pm) |
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# + sub getListUnfiltered |
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# + sub getListFiltered |
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# + sub createCursor |
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# + sub createSet |
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# + sub sendQuery |
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# |
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joko |
1.6 |
# Revision 1.5 2002/11/17 06:35:18 joko |
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# + locator metadata can now be reached via ->{locator} |
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# - getChildNodes is now wrapped via COREHANDLE |
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# |
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joko |
1.5 |
# Revision 1.4 2002/10/25 11:44:44 joko |
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# + sub _initSchema |
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# + sub existsChildNode |
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# + sub testIntegrity |
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# + sub rebuildDbAndSchema |
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# |
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joko |
1.4 |
# Revision 1.3 2002/10/17 03:56:55 joko |
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# + bugfix: trapped eval error |
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# |
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joko |
1.3 |
# Revision 1.2 2002/10/17 00:10:05 joko |
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# + removed dependency from tsobj.pm, schema is now independent |
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# + sub getNewPerlObjectByPkgName |
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# + sub deploySchema |
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# + sub retreatSchema |
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# |
100 |
joko |
1.2 |
# Revision 1.1 2002/10/10 03:44:07 cvsjoko |
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# + new |
102 |
cvsjoko |
1.1 |
# |
103 |
joko |
1.6 |
############################################ |
104 |
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105 |
cvsjoko |
1.1 |
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106 |
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package Data::Storage::Handler::Tangram; |
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use strict; |
109 |
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use warnings; |
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joko |
1.13 |
use base ("Data::Storage::Handler"); |
112 |
cvsjoko |
1.1 |
use base ("Data::Storage::Handler::Abstract"); |
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use Tangram; |
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use Data::Dumper; |
116 |
joko |
1.26 |
use DesignPattern::Object; |
117 |
joko |
1.6 |
use Data::Storage::Result::Tangram; |
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use Data::Compare::Struct qw( isEmpty ); |
119 |
joko |
1.15 |
use Data::Transform::Deep qw( object2hash ); |
120 |
joko |
1.9 |
use Data::Transform::Encode qw( var2utf8 ); |
121 |
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122 |
cvsjoko |
1.1 |
# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
124 |
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126 |
joko |
1.12 |
# this holds the complete instantiated schema from tangram |
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my $schema_tangram; |
128 |
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129 |
joko |
1.6 |
sub getMetaInfo { |
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my $self = shift; |
131 |
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$logger->debug( __PACKAGE__ . "->getMetaInfo()" ); |
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return { |
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'disconnectMethod' => 'disconnect', |
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}; |
135 |
joko |
1.2 |
} |
136 |
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137 |
joko |
1.4 |
sub _initSchema { |
138 |
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my $self = shift; |
139 |
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$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
140 |
joko |
1.12 |
#if (!$schema_tangram) { |
141 |
joko |
1.26 |
#my $obj = getNewPerlObjectByPkgName($self->{locator}->{schema}, { EXPORT_OBJECTS => $self->{locator}->{classnames}, want_transactions => $self->{locator}->{want_transactions} } ); |
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my $obj = DesignPattern::Object->fromPackage($self->{locator}->{schema}, { 'EXPORT_OBJECTS' => $self->{locator}->{classnames}, 'want_transactions' => $self->{locator}->{want_transactions} } ); |
143 |
joko |
1.12 |
$schema_tangram = $obj->getSchema(); |
144 |
joko |
1.4 |
#} |
145 |
joko |
1.12 |
if (!$schema_tangram) { |
146 |
joko |
1.4 |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
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return 0; |
148 |
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} |
149 |
joko |
1.19 |
#$self->_patchSchema(); |
150 |
joko |
1.4 |
return 1; |
151 |
joko |
1.19 |
} |
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153 |
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sub _patchSchema { |
154 |
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my $self = shift; |
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foreach (keys %{$schema_tangram->{classes}}) { |
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next if $schema_tangram->{classes}->{$_}->{abstract}; |
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#next if ($_ ne 'TsBankAccount'); |
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#$_ ne 'AbstractAccount' && |
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print "class: $_", "\n"; |
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#print Dumper($schema_tangram->{classes}->{$_}); |
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# create new string property named 'guid' |
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my $tstring = Tangram::String->new(); |
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$tstring->{name} = $tstring->{col} = 'guid'; |
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# inject property into schema |
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#$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring; |
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print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}); |
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} |
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joko |
1.4 |
} |
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170 |
cvsjoko |
1.1 |
sub connect { |
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my $self = shift; |
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my $dsn = shift; |
175 |
joko |
1.25 |
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#print Dumper($self); |
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#exit; |
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# TODO: re-enable |
180 |
joko |
1.5 |
$dsn ||= $self->{locator}->{dbi}->{dsn}; |
181 |
joko |
1.2 |
$logger->debug( __PACKAGE__ . "->connect( dsn $dsn )" ); |
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cvsjoko |
1.1 |
|
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#my $storage = Tangram::Relational->connect( $schema, $dsn ); |
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#my $storage = Tangram::mysql->connect( $schema, $dsn ); |
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#$storage = Tangram::Relational->connect( Project->schema, $dsn ); |
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# if (!testDsn($dsn)) { |
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# croak("Database at \"$dsn\" is not available"); |
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# return; |
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# } |
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192 |
joko |
1.25 |
#return unless $self->_initSchema(); |
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$self->_initSchema(); |
194 |
joko |
1.4 |
|
195 |
joko |
1.6 |
# create the main tangram storage object |
196 |
joko |
1.2 |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
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joko |
1.13 |
$self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
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199 |
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#print "connect", "\n"; |
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#my $core = $self->{_COREHANDLE}; |
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#print Dumper($core); |
202 |
cvsjoko |
1.1 |
|
203 |
joko |
1.6 |
# some attempts for configuring the wrapped underlying dbi..... |
204 |
cvsjoko |
1.1 |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
205 |
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#$self->{STORAGEHANDLE_UNDERLYING}->_configureCOREHANDLE(); |
206 |
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#$self->_configureUnderlyingStorage; |
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joko |
1.6 |
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208 |
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# ..... encapsulation wins! |
209 |
cvsjoko |
1.1 |
$self->configureCOREHANDLE(); |
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211 |
joko |
1.5 |
$self->{locator}->{status}->{connected} = 1; |
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213 |
joko |
1.4 |
return 1; |
214 |
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215 |
cvsjoko |
1.1 |
} |
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217 |
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sub getChildNodes { |
218 |
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219 |
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my $self = shift; |
220 |
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my @nodes; |
221 |
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222 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->getChildNodes()" ); |
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224 |
cvsjoko |
1.1 |
# create new DBI - Data::Storage - object from already connected DBI::db - handle inside the current COREHANDLE |
225 |
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#my $loc = new Data::Storage::Locator( type => "DBI", dbi => { db => $self->{COREHANDLE}->{db} }); |
226 |
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#my $loc = new Data::Storage::Locator( type => "DBI", COREHANDLE => $self->{COREHANDLE}->{db} ); |
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joko |
1.6 |
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228 |
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# todo: should we retrieve information from the schema here |
229 |
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# rather than poorly getting table names from underlying dbi? |
230 |
cvsjoko |
1.1 |
my $storage = $self->_getSubLayerHandle(); |
231 |
joko |
1.5 |
@nodes = @{$storage->getChildNodes()}; |
232 |
cvsjoko |
1.1 |
#$storage->_configureCOREHANDLE(); |
233 |
joko |
1.5 |
#print "getchildnodes\n"; |
234 |
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#print Dumper($self); |
235 |
cvsjoko |
1.1 |
#if (my $result = $self->sendCommand( 'SHOW TABLES;' ) ) { |
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237 |
joko |
1.8 |
# TODO: REVIEW |
238 |
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#$storage->disconnect(); |
239 |
cvsjoko |
1.1 |
|
240 |
joko |
1.4 |
$self->{meta}->{childnodes} = \@nodes; |
241 |
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242 |
cvsjoko |
1.1 |
return \@nodes; |
243 |
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244 |
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} |
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247 |
joko |
1.4 |
sub testIntegrity { |
248 |
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my $self = shift; |
250 |
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$logger->debug( __PACKAGE__ . "->testIntegrity()" ); |
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253 |
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# 1st test: are there tables? |
254 |
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if (!$self->getChildNodes()) { |
255 |
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$logger->warning( __PACKAGE__ . "->testIntegrity no childnodes exist" ); |
256 |
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return; |
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} |
258 |
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259 |
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# 2nd test: is there a table named "Tangram"? |
260 |
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if (!$self->existsChildNode("Tangram")) { |
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$logger->warning( __PACKAGE__ . "->testIntegrity childnode \"Tangram\" doesn't exist" ); |
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return; |
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} |
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265 |
joko |
1.5 |
$self->{locator}->{status}->{integrity} = 1; |
266 |
joko |
1.4 |
return 1; |
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268 |
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} |
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270 |
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271 |
cvsjoko |
1.1 |
sub _getSubLayerHandle { |
272 |
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273 |
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my $self = shift; |
274 |
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275 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->_getSubLayerHandle()" ); |
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277 |
cvsjoko |
1.1 |
#print Dumper($self); |
278 |
joko |
1.5 |
|
279 |
cvsjoko |
1.1 |
# hack, make more generic! |
280 |
joko |
1.4 |
if (!$self->{dataStorageLayer}) { |
281 |
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$logger->debug( __PACKAGE__ . "->_getSubLayerHandle() creating new dataStorageLayer" ); |
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#my $loc = Data::Storage::Locator->new( type => "DBI", dbi => $self->{dbi}, COREHANDLE => $self->{COREHANDLE}->{db} ); |
283 |
joko |
1.5 |
my $loc = Data::Storage::Locator->new( { type => "DBI", dbi => $self->{locator}->{dbi} } ); |
284 |
joko |
1.4 |
$self->{dataStorageLayer} = Data::Storage->new( $loc, { protected => 1 } ); |
285 |
cvsjoko |
1.1 |
#$self->{STORAGE_UNDER_THE_HOOD}->{STORAGEHANDLE}->_configureCOREHANDLE(); |
286 |
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#$self->{STORAGE_UNDER_THE_HOOD}->_configureCOREHANDLE(); |
287 |
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} |
288 |
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289 |
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#print Dumper($self->{STORAGE_UNDER_THE_HOOD}); |
290 |
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291 |
joko |
1.4 |
return $self->{dataStorageLayer}; |
292 |
cvsjoko |
1.1 |
|
293 |
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} |
294 |
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295 |
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sub _configureUnderlyingStorage { |
296 |
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297 |
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my $self = shift; |
298 |
joko |
1.4 |
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299 |
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$logger->debug( __PACKAGE__ . "->_configureUnderlyingStorage" ); |
300 |
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301 |
cvsjoko |
1.1 |
$self->_configureCOREHANDLE_DBI(); |
302 |
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return; |
303 |
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304 |
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foreach my $key (keys %{$self->{dbi}}) { |
305 |
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my $val = $self->{dbi}->{$key}; |
306 |
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print "entry: $key; $val", "\n"; |
307 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{$key} = $val; |
308 |
cvsjoko |
1.1 |
} |
309 |
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#print Dumper($self->{COREHANDLE}->{db}); |
310 |
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} |
311 |
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312 |
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313 |
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sub configureCOREHANDLE { |
314 |
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315 |
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my $self = shift; |
316 |
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317 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->configureCOREHANDLE" ); |
318 |
cvsjoko |
1.1 |
|
319 |
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#my $subLayer = $self->_getSubLayerHandle(); |
320 |
joko |
1.26 |
#print Dumper($self); |
321 |
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#exit; |
322 |
cvsjoko |
1.1 |
|
323 |
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# apply configured modifications |
324 |
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if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
325 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
326 |
cvsjoko |
1.1 |
} |
327 |
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if (exists $self->{dbi}->{RaiseError}) { |
328 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
329 |
cvsjoko |
1.1 |
} |
330 |
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if (exists $self->{dbi}->{PrintError}) { |
331 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
332 |
cvsjoko |
1.1 |
} |
333 |
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if (exists $self->{dbi}->{HandleError}) { |
334 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
335 |
cvsjoko |
1.1 |
} |
336 |
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337 |
joko |
1.2 |
} |
338 |
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339 |
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sub deploySchema { |
340 |
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my $self = shift; |
341 |
joko |
1.5 |
my $args = shift; |
342 |
|
|
|
343 |
|
|
my $dsn = $self->{locator}->{dbi}->{dsn}; |
344 |
joko |
1.4 |
|
345 |
|
|
$logger->debug( __PACKAGE__ . "->deploySchema( dsn $dsn )" ); |
346 |
|
|
|
347 |
joko |
1.2 |
my $ok; |
348 |
joko |
1.8 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
349 |
joko |
1.4 |
return unless $self->_initSchema(); |
350 |
joko |
1.12 |
$ok = Tangram::Relational->deploy($schema_tangram, $dbh ); |
351 |
joko |
1.2 |
$dbh->disconnect(); |
352 |
|
|
} |
353 |
|
|
return $ok; |
354 |
|
|
} |
355 |
|
|
|
356 |
|
|
sub retreatSchema { |
357 |
joko |
1.4 |
|
358 |
joko |
1.2 |
my $self = shift; |
359 |
joko |
1.5 |
my $dsn = $self->{locator}->{dbi}->{dsn}; |
360 |
joko |
1.4 |
|
361 |
|
|
$logger->debug( __PACKAGE__ . "->retreatSchema( dsn $dsn )" ); |
362 |
|
|
|
363 |
joko |
1.2 |
my $ok; |
364 |
joko |
1.8 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
365 |
joko |
1.4 |
|
366 |
|
|
return unless $self->_initSchema(); |
367 |
|
|
|
368 |
|
|
#use Data::Dumper; print Dumper($self); |
369 |
|
|
$self->{dataStorageLayer}->removeLogDispatchHandler("Tangram11"); |
370 |
|
|
|
371 |
joko |
1.12 |
$ok = Tangram::Relational->retreat($schema_tangram, $dbh ); |
372 |
joko |
1.8 |
|
373 |
|
|
# answer "$ok=2" means "maybe" for now - we have to patch this to a constant here because... |
374 |
|
|
# - ... Tangram::Relational->retreat doesn't seem to return a valid status |
375 |
|
|
# - possible improvement: |
376 |
|
|
# - test this by checking for count of tables in database |
377 |
|
|
# - problem with this: there may be some left not having been included to the schema |
378 |
|
|
# - maybe better: use "->getChildNodes"? |
379 |
|
|
$ok = 2; |
380 |
|
|
|
381 |
joko |
1.2 |
$dbh->disconnect(); |
382 |
joko |
1.8 |
|
383 |
joko |
1.2 |
} |
384 |
|
|
return $ok; |
385 |
joko |
1.4 |
} |
386 |
|
|
|
387 |
joko |
1.23 |
sub rebuildDb { |
388 |
joko |
1.4 |
my $self = shift; |
389 |
joko |
1.23 |
$logger->info( __PACKAGE__ . "->rebuildDb()" ); |
390 |
joko |
1.4 |
my @results; |
391 |
|
|
|
392 |
|
|
# sum up results (bool (0/1)) in array |
393 |
|
|
push @results, $self->retreatSchema(); |
394 |
|
|
push @results, $self->{dataStorageLayer}->dropDb(); |
395 |
|
|
push @results, $self->{dataStorageLayer}->createDb(); |
396 |
|
|
push @results, $self->deploySchema(); |
397 |
|
|
|
398 |
|
|
# scan array for "bad ones" |
399 |
|
|
my $res = 1; |
400 |
|
|
map { |
401 |
|
|
$res = 0 if (!$_); |
402 |
|
|
} @results; |
403 |
|
|
|
404 |
|
|
return $res; |
405 |
joko |
1.6 |
} |
406 |
|
|
|
407 |
|
|
sub getListUnfiltered { |
408 |
|
|
my $self = shift; |
409 |
|
|
my $nodename = shift; |
410 |
|
|
my @results; |
411 |
|
|
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
412 |
|
|
# get set of objects from odbms by object name |
413 |
joko |
1.13 |
my $object_set = $self->{_COREHANDLE}->remote($nodename); |
414 |
|
|
@results = $self->{_COREHANDLE}->select($object_set); |
415 |
joko |
1.6 |
return \@results; |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
sub getListFiltered { |
419 |
|
|
my $self = shift; |
420 |
|
|
|
421 |
|
|
# redirect to unfiltered mode |
422 |
|
|
#return $self->getListUnfiltered(@_); |
423 |
|
|
|
424 |
|
|
my $nodename = shift; |
425 |
|
|
my $filters = shift; |
426 |
|
|
my @results; |
427 |
|
|
$logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" ); |
428 |
|
|
|
429 |
joko |
1.27 |
#print Dumper($filters); |
430 |
joko |
1.6 |
|
431 |
|
|
my @tfilters; |
432 |
|
|
|
433 |
|
|
foreach my $filter (@$filters) { |
434 |
|
|
|
435 |
|
|
# get filter - TODO: for each filter |
436 |
|
|
#my $filter = $filters->[0]; |
437 |
|
|
|
438 |
|
|
# build filter |
439 |
|
|
my $lexpr = $filter->{key}; |
440 |
|
|
#my $op = $filter->{op}; |
441 |
|
|
my $op = '='; |
442 |
|
|
my $rexpr = $filter->{val}; |
443 |
|
|
my $tight = 100; |
444 |
|
|
|
445 |
|
|
# my $tfilter = Tangram::Filter->new( |
446 |
|
|
# expr => "t1.$lexpr $op '$rexpr'", |
447 |
|
|
# tight => $tight, |
448 |
|
|
# objects => $objects, |
449 |
|
|
# ); |
450 |
|
|
|
451 |
|
|
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
452 |
|
|
push @tfilters, '$remote->{' . $filter->{key} . '}' . " $filter->{op} '$filter->{val}'"; |
453 |
|
|
|
454 |
|
|
} |
455 |
|
|
|
456 |
|
|
my $tfilter = join(' & ', @tfilters); |
457 |
|
|
|
458 |
|
|
# get set of objects from odbms by object name |
459 |
joko |
1.13 |
my $remote = $self->{_COREHANDLE}->remote($nodename); |
460 |
joko |
1.6 |
|
461 |
|
|
# was: |
462 |
|
|
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
463 |
|
|
|
464 |
|
|
# is: |
465 |
|
|
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
466 |
joko |
1.13 |
my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');'; |
467 |
joko |
1.6 |
|
468 |
joko |
1.27 |
#print "eval: $evalstring", "\n"; |
469 |
|
|
|
470 |
joko |
1.6 |
# get filtered list/set |
471 |
|
|
@results = eval($evalstring); |
472 |
|
|
die $@ if $@; |
473 |
|
|
|
474 |
|
|
return \@results; |
475 |
|
|
} |
476 |
|
|
|
477 |
|
|
sub createCursor { |
478 |
|
|
my $self = shift; |
479 |
|
|
my $node = shift; |
480 |
joko |
1.13 |
my $cmdHandle = $self->{_COREHANDLE}->cursor($node); |
481 |
joko |
1.6 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
482 |
|
|
return $result; |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
sub createSet { |
486 |
|
|
my $self = shift; |
487 |
joko |
1.18 |
#print "-" x 80, "\n"; |
488 |
|
|
#print Dumper(@_); |
489 |
joko |
1.6 |
my @objects = @_; |
490 |
|
|
my $rh = Set::Object->new(); |
491 |
|
|
foreach (@objects) { |
492 |
joko |
1.18 |
if (!isEmpty($_)) { |
493 |
|
|
#print Dumper($_); |
494 |
|
|
$rh->insert($_); |
495 |
|
|
} |
496 |
joko |
1.6 |
} |
497 |
|
|
#print Dumper($rh->members()); |
498 |
|
|
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
499 |
|
|
return $result; |
500 |
|
|
} |
501 |
|
|
|
502 |
|
|
sub sendQuery { |
503 |
|
|
my $self = shift; |
504 |
|
|
my $query = shift; |
505 |
|
|
#my $sql = "SELECT cs FROM $self->{metainfo}->{$descent}->{node} WHERE $self->{metainfo}->{$descent}->{IdentProvider}->{arg}='$self->{entry}->{source}->{ident}';"; |
506 |
|
|
#my $result = $self->{metainfo}->{$descent}->{storage}->sendCommand($sql); |
507 |
|
|
|
508 |
|
|
#print Dumper($query); |
509 |
|
|
|
510 |
|
|
# HACK: special case: querying by id does not translate into a common tangram query |
511 |
|
|
# just load the object by given id(ent) |
512 |
|
|
if ($query->{criterias}->[0]->{key} eq 'id' && $query->{criterias}->[0]->{op} eq 'eq') { |
513 |
|
|
#print "LOAD!!!", "\n"; |
514 |
|
|
#exit; |
515 |
|
|
#return Set::Object->new( $self->{COREHANDLE}->load($query->{criterias}->[0]->{val}) ); |
516 |
|
|
my $ident = $query->{criterias}->[0]->{val}; |
517 |
|
|
#print "load obj", "\n"; |
518 |
|
|
#return $self->createSet() if $ident == 5; |
519 |
joko |
1.18 |
$self->{_COREHANDLE}->unload($ident); |
520 |
joko |
1.13 |
my $object = $self->{_COREHANDLE}->load($ident); |
521 |
joko |
1.6 |
#print "get id", "\n"; |
522 |
joko |
1.13 |
my $oid = $self->{_COREHANDLE}->id($object); |
523 |
joko |
1.18 |
#print Dumper($object); |
524 |
|
|
#print "oid: $oid", "\n"; |
525 |
joko |
1.6 |
return $self->createSet($object); |
526 |
|
|
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
527 |
|
|
} |
528 |
|
|
|
529 |
joko |
1.27 |
my $list = $self->getListFiltered($query->{node}, $query->{criterias}); |
530 |
|
|
#return $self->createSet($object); |
531 |
|
|
#return $self->createSet($list); |
532 |
|
|
return $self->createSet(@$list); |
533 |
|
|
|
534 |
|
|
#die("This should not be reached for now - redirect to \$self->getListFiltered() here!"); |
535 |
|
|
|
536 |
|
|
|
537 |
joko |
1.6 |
|
538 |
|
|
|
539 |
joko |
1.27 |
# try a generic tangram query here |
540 |
|
|
# TODO: try to place an oql on top of that (search.cpan.org!) |
541 |
joko |
1.6 |
my @crits; |
542 |
|
|
foreach (@{$query->{criterias}}) { |
543 |
|
|
my $op = ''; |
544 |
|
|
$op = '=' if lc $_->{op} eq 'eq'; |
545 |
|
|
push @crits, "$_->{key}$op'$_->{val}'"; |
546 |
|
|
} |
547 |
|
|
my $subnodes = {}; |
548 |
|
|
map { $subnodes->{$_}++ } @{$query->{subnodes}}; |
549 |
|
|
# HACK: this is hardcoded ;( expand possibilities! |
550 |
|
|
#my $crit = join(' AND ', @crits); |
551 |
|
|
#my $sql = hash2Sql($query->{node}, $subnodes, 'SELECT', $crit); |
552 |
|
|
#return $self->sendCommand($sql); |
553 |
|
|
#my $h = $self->{COREHANDLE}->remote($query->{node}); |
554 |
|
|
#my $res = $self->{COREHANDLE}->select($h, $h->{); |
555 |
|
|
return $self->createCursor($query->{node}); |
556 |
joko |
1.7 |
} |
557 |
|
|
|
558 |
|
|
sub eraseAll { |
559 |
|
|
my $self = shift; |
560 |
|
|
my $classname = shift; |
561 |
joko |
1.13 |
my $remote = $self->{_COREHANDLE}->remote($classname); |
562 |
|
|
my @objs = $self->{_COREHANDLE}->select($remote); |
563 |
|
|
$self->{_COREHANDLE}->erase(@objs); |
564 |
joko |
1.8 |
} |
565 |
|
|
|
566 |
|
|
sub createDb { |
567 |
|
|
my $self = shift; |
568 |
|
|
my $storage = $self->_getSubLayerHandle(); |
569 |
|
|
return $storage->createDb(); |
570 |
joko |
1.9 |
} |
571 |
|
|
|
572 |
|
|
sub getObject { |
573 |
|
|
my $self = shift; |
574 |
|
|
my $oid = shift; |
575 |
jonen |
1.14 |
my $options = shift; |
576 |
joko |
1.16 |
|
577 |
|
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
578 |
jonen |
1.14 |
# unload($oid) will only unload object, not deep object hashes |
579 |
joko |
1.17 |
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
580 |
joko |
1.16 |
|
581 |
joko |
1.9 |
# TODO: review this |
582 |
|
|
#if (!$self->{COREHANDLE}) { return; } |
583 |
joko |
1.16 |
|
584 |
|
|
# TODO: review this |
585 |
|
|
my $object = eval('$self->{_COREHANDLE}->load($oid);'); |
586 |
|
|
print $@, "\n" if $@; |
587 |
|
|
|
588 |
|
|
return $object if $object; |
589 |
joko |
1.9 |
} |
590 |
|
|
|
591 |
jonen |
1.20 |
sub getObjectByGuid { |
592 |
|
|
my $self = shift; |
593 |
|
|
my $guid = shift; |
594 |
|
|
my $options = shift; |
595 |
|
|
|
596 |
|
|
# Guid and Classname is needed |
597 |
|
|
if(!$guid || !$options->{classname}) { |
598 |
jonen |
1.22 |
$logger->error( __PACKAGE__ . "->getObjectByGuid: No 'guid' OR no Classname in options hash was given but needed!" ); |
599 |
jonen |
1.20 |
return; |
600 |
|
|
} |
601 |
|
|
|
602 |
|
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
603 |
|
|
# unload($oid) will only unload object, not deep object hashes |
604 |
|
|
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
605 |
|
|
|
606 |
|
|
# search for object with given Classname and Guid |
607 |
jonen |
1.21 |
my $obj_tmp = $self->{_COREHANDLE}->remote($options->{classname}); |
608 |
jonen |
1.20 |
my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid); |
609 |
|
|
|
610 |
|
|
# we searched for global unique identifer of some object, |
611 |
jonen |
1.22 |
# so I think we can trust there would be only one result |
612 |
jonen |
1.20 |
if($result[0]) { |
613 |
|
|
return $result[0]; |
614 |
|
|
} else { |
615 |
jonen |
1.22 |
$logger->error( __PACKAGE__ . "->getObjectByGuid: No Object with Classname $options->{classname} and GUID $guid found!" ); |
616 |
|
|
return; |
617 |
jonen |
1.20 |
} |
618 |
|
|
|
619 |
|
|
} |
620 |
|
|
|
621 |
joko |
1.9 |
sub getObjectAsHash { |
622 |
|
|
my $self = shift; |
623 |
|
|
my $oid = shift; |
624 |
jonen |
1.20 |
my $options = shift; |
625 |
|
|
my $obj; |
626 |
|
|
|
627 |
|
|
if($options->{guid}) { |
628 |
|
|
$obj = $self->getObjectByGuid($oid, $options); |
629 |
|
|
} else { |
630 |
|
|
$obj = $self->getObject($oid, $options); |
631 |
|
|
} |
632 |
joko |
1.15 |
|
633 |
|
|
# build options (a callback to unload autovivified objects) for 'expand' |
634 |
|
|
# TODO: use $logger to write to debug here! |
635 |
|
|
my $cb; # = sub {}; |
636 |
|
|
=pod |
637 |
|
|
if ($options->{destroy}) { |
638 |
|
|
$options->{cb}->{destroy} = sub { |
639 |
|
|
print "================ DESTROY", "\n"; |
640 |
|
|
my $object = shift; |
641 |
|
|
#print Dumper($object); |
642 |
|
|
$self->{_COREHANDLE}->unload($object); |
643 |
|
|
#undef($object); |
644 |
|
|
}; |
645 |
|
|
} |
646 |
|
|
=cut |
647 |
|
|
|
648 |
|
|
my $hash = object2hash($obj, $options); |
649 |
|
|
#$options->{cb}->{destroy}->($obj); |
650 |
|
|
#$self->{_COREHANDLE}->unload($obj); |
651 |
|
|
|
652 |
|
|
# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
653 |
|
|
# now done in object2hash |
654 |
|
|
#var2utf8($hash) if ($options->{utf8}); |
655 |
|
|
|
656 |
|
|
# old (wrong) attempts to get rid of used instances, if requested |
657 |
|
|
#$obj->clear_refs; |
658 |
|
|
#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
659 |
|
|
#$obj->DESTROY; |
660 |
|
|
#undef($obj) if($options->{destroy}); |
661 |
|
|
|
662 |
|
|
return $hash; |
663 |
joko |
1.12 |
} |
664 |
|
|
|
665 |
|
|
sub getSchema { |
666 |
|
|
return $schema_tangram; |
667 |
joko |
1.13 |
} |
668 |
|
|
|
669 |
|
|
sub getCOREHANDLE { |
670 |
|
|
my $self = shift; |
671 |
|
|
return $self->{_COREHANDLE}; |
672 |
joko |
1.24 |
} |
673 |
|
|
|
674 |
|
|
sub dropDb { |
675 |
|
|
my $self = shift; |
676 |
|
|
my $storage = $self->_getSubLayerHandle(); |
677 |
|
|
return $storage->dropDb(); |
678 |
cvsjoko |
1.1 |
} |
679 |
|
|
|
680 |
joko |
1.26 |
sub testAvailability { |
681 |
|
|
my $self = shift; |
682 |
|
|
my $storage = $self->_getSubLayerHandle(); |
683 |
|
|
return $storage->testAvailability(); |
684 |
|
|
} |
685 |
|
|
|
686 |
cvsjoko |
1.1 |
1; |
687 |
joko |
1.26 |
__END__ |