1 |
joko |
1.6 |
############################################ |
2 |
cvsjoko |
1.1 |
# |
3 |
joko |
1.15 |
# $Id: Tangram.pm,v 1.14 2002/12/05 09:40:30 jonen Exp $ |
4 |
joko |
1.2 |
# |
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# $Log: Tangram.pm,v $ |
6 |
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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# |
9 |
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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# |
14 |
joko |
1.13 |
# Revision 1.12 2002/12/04 11:34:49 joko |
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# - $schema_tangram doesn't have to be in class? |
16 |
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# |
17 |
joko |
1.12 |
# Revision 1.11 2002/12/04 08:54:08 jonen |
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# + untested bugfix: undef($object) after transform to hash at getObjectAsHash |
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# |
20 |
jonen |
1.11 |
# Revision 1.10 2002/12/03 15:53:23 joko |
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# + small bugfix regarding object hierarchy |
22 |
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# |
23 |
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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# |
27 |
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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# |
30 |
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) |
35 |
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# + sub getMetaInfo |
36 |
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# - sub existsChildNode (moved to Abstract.pm) |
37 |
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# + sub getListUnfiltered |
38 |
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# + sub getListFiltered |
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# + sub createCursor |
40 |
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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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# |
53 |
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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# |
56 |
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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# |
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joko |
1.2 |
# Revision 1.1 2002/10/10 03:44:07 cvsjoko |
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# + new |
64 |
cvsjoko |
1.1 |
# |
65 |
joko |
1.6 |
############################################ |
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67 |
cvsjoko |
1.1 |
|
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package Data::Storage::Handler::Tangram; |
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use strict; |
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use warnings; |
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73 |
joko |
1.13 |
use base ("Data::Storage::Handler"); |
74 |
cvsjoko |
1.1 |
use base ("Data::Storage::Handler::Abstract"); |
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use Tangram; |
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use Data::Dumper; |
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joko |
1.6 |
use libp qw( getNewPerlObjectByPkgName ); |
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use Data::Storage::Result::Tangram; |
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use Data::Compare::Struct qw( isEmpty ); |
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joko |
1.15 |
use Data::Transform::Deep qw( object2hash ); |
82 |
joko |
1.9 |
use Data::Transform::Encode qw( var2utf8 ); |
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84 |
cvsjoko |
1.1 |
|
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# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
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joko |
1.12 |
# this holds the complete instantiated schema from tangram |
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my $schema_tangram; |
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joko |
1.6 |
sub getMetaInfo { |
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my $self = shift; |
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$logger->debug( __PACKAGE__ . "->getMetaInfo()" ); |
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return { |
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'disconnectMethod' => 'disconnect', |
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}; |
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joko |
1.2 |
} |
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joko |
1.4 |
sub _initSchema { |
101 |
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my $self = shift; |
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$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
103 |
joko |
1.12 |
#if (!$schema_tangram) { |
104 |
joko |
1.5 |
my $obj = getNewPerlObjectByPkgName($self->{locator}->{schema}, { EXPORT_OBJECTS => $self->{locator}->{classnames}, want_transactions => $self->{locator}->{want_transactions} } ); |
105 |
joko |
1.12 |
$schema_tangram = $obj->getSchema(); |
106 |
joko |
1.4 |
#} |
107 |
joko |
1.12 |
if (!$schema_tangram) { |
108 |
joko |
1.4 |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
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return 0; |
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} |
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return 1; |
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} |
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114 |
cvsjoko |
1.1 |
sub connect { |
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my $self = shift; |
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my $dsn = shift; |
119 |
joko |
1.5 |
$dsn ||= $self->{locator}->{dbi}->{dsn}; |
120 |
cvsjoko |
1.1 |
|
121 |
joko |
1.2 |
$logger->debug( __PACKAGE__ . "->connect( dsn $dsn )" ); |
122 |
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, $dsn ); |
126 |
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# if (!testDsn($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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132 |
joko |
1.4 |
return unless $self->_initSchema(); |
133 |
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134 |
joko |
1.6 |
# create the main tangram storage object |
135 |
joko |
1.2 |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
136 |
joko |
1.13 |
$self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
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#print "connect", "\n"; |
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#my $core = $self->{_COREHANDLE}; |
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#print Dumper($core); |
141 |
cvsjoko |
1.1 |
|
142 |
joko |
1.6 |
# some attempts for configuring the wrapped underlying dbi..... |
143 |
cvsjoko |
1.1 |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
144 |
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#$self->{STORAGEHANDLE_UNDERLYING}->_configureCOREHANDLE(); |
145 |
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#$self->_configureUnderlyingStorage; |
146 |
joko |
1.6 |
|
147 |
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# ..... encapsulation wins! |
148 |
cvsjoko |
1.1 |
$self->configureCOREHANDLE(); |
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150 |
joko |
1.5 |
$self->{locator}->{status}->{connected} = 1; |
151 |
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152 |
joko |
1.4 |
return 1; |
153 |
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154 |
cvsjoko |
1.1 |
} |
155 |
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156 |
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sub getChildNodes { |
157 |
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my $self = shift; |
159 |
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my @nodes; |
160 |
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161 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->getChildNodes()" ); |
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163 |
cvsjoko |
1.1 |
# create new DBI - Data::Storage - object from already connected DBI::db - handle inside the current COREHANDLE |
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#my $loc = new Data::Storage::Locator( type => "DBI", dbi => { db => $self->{COREHANDLE}->{db} }); |
165 |
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#my $loc = new Data::Storage::Locator( type => "DBI", COREHANDLE => $self->{COREHANDLE}->{db} ); |
166 |
joko |
1.6 |
|
167 |
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# todo: should we retrieve information from the schema here |
168 |
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# rather than poorly getting table names from underlying dbi? |
169 |
cvsjoko |
1.1 |
my $storage = $self->_getSubLayerHandle(); |
170 |
joko |
1.5 |
@nodes = @{$storage->getChildNodes()}; |
171 |
cvsjoko |
1.1 |
#$storage->_configureCOREHANDLE(); |
172 |
joko |
1.5 |
#print "getchildnodes\n"; |
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#print Dumper($self); |
174 |
cvsjoko |
1.1 |
#if (my $result = $self->sendCommand( 'SHOW TABLES;' ) ) { |
175 |
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176 |
joko |
1.8 |
# TODO: REVIEW |
177 |
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#$storage->disconnect(); |
178 |
cvsjoko |
1.1 |
|
179 |
joko |
1.4 |
$self->{meta}->{childnodes} = \@nodes; |
180 |
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181 |
cvsjoko |
1.1 |
return \@nodes; |
182 |
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183 |
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} |
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185 |
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186 |
joko |
1.4 |
sub testIntegrity { |
187 |
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188 |
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my $self = shift; |
189 |
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190 |
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$logger->debug( __PACKAGE__ . "->testIntegrity()" ); |
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192 |
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# 1st test: are there tables? |
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if (!$self->getChildNodes()) { |
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$logger->warning( __PACKAGE__ . "->testIntegrity no childnodes exist" ); |
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return; |
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} |
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198 |
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# 2nd test: is there a table named "Tangram"? |
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if (!$self->existsChildNode("Tangram")) { |
200 |
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$logger->warning( __PACKAGE__ . "->testIntegrity childnode \"Tangram\" doesn't exist" ); |
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return; |
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} |
203 |
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204 |
joko |
1.5 |
$self->{locator}->{status}->{integrity} = 1; |
205 |
joko |
1.4 |
return 1; |
206 |
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207 |
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} |
208 |
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209 |
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210 |
cvsjoko |
1.1 |
sub _getSubLayerHandle { |
211 |
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212 |
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my $self = shift; |
213 |
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214 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->_getSubLayerHandle()" ); |
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216 |
cvsjoko |
1.1 |
#print Dumper($self); |
217 |
joko |
1.5 |
|
218 |
cvsjoko |
1.1 |
# hack, make more generic! |
219 |
joko |
1.4 |
if (!$self->{dataStorageLayer}) { |
220 |
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$logger->debug( __PACKAGE__ . "->_getSubLayerHandle() creating new dataStorageLayer" ); |
221 |
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#my $loc = Data::Storage::Locator->new( type => "DBI", dbi => $self->{dbi}, COREHANDLE => $self->{COREHANDLE}->{db} ); |
222 |
joko |
1.5 |
my $loc = Data::Storage::Locator->new( { type => "DBI", dbi => $self->{locator}->{dbi} } ); |
223 |
joko |
1.4 |
$self->{dataStorageLayer} = Data::Storage->new( $loc, { protected => 1 } ); |
224 |
cvsjoko |
1.1 |
#$self->{STORAGE_UNDER_THE_HOOD}->{STORAGEHANDLE}->_configureCOREHANDLE(); |
225 |
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#$self->{STORAGE_UNDER_THE_HOOD}->_configureCOREHANDLE(); |
226 |
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} |
227 |
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228 |
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#print Dumper($self->{STORAGE_UNDER_THE_HOOD}); |
229 |
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230 |
joko |
1.4 |
return $self->{dataStorageLayer}; |
231 |
cvsjoko |
1.1 |
|
232 |
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} |
233 |
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234 |
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sub _configureUnderlyingStorage { |
235 |
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236 |
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my $self = shift; |
237 |
joko |
1.4 |
|
238 |
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$logger->debug( __PACKAGE__ . "->_configureUnderlyingStorage" ); |
239 |
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240 |
cvsjoko |
1.1 |
$self->_configureCOREHANDLE_DBI(); |
241 |
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return; |
242 |
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243 |
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foreach my $key (keys %{$self->{dbi}}) { |
244 |
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my $val = $self->{dbi}->{$key}; |
245 |
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print "entry: $key; $val", "\n"; |
246 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{$key} = $val; |
247 |
cvsjoko |
1.1 |
} |
248 |
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#print Dumper($self->{COREHANDLE}->{db}); |
249 |
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} |
250 |
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251 |
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252 |
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sub configureCOREHANDLE { |
253 |
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254 |
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my $self = shift; |
255 |
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256 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->configureCOREHANDLE" ); |
257 |
cvsjoko |
1.1 |
|
258 |
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#my $subLayer = $self->_getSubLayerHandle(); |
259 |
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260 |
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# apply configured modifications |
261 |
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if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
262 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
263 |
cvsjoko |
1.1 |
} |
264 |
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if (exists $self->{dbi}->{RaiseError}) { |
265 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
266 |
cvsjoko |
1.1 |
} |
267 |
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if (exists $self->{dbi}->{PrintError}) { |
268 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
269 |
cvsjoko |
1.1 |
} |
270 |
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if (exists $self->{dbi}->{HandleError}) { |
271 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
272 |
cvsjoko |
1.1 |
} |
273 |
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274 |
joko |
1.2 |
} |
275 |
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276 |
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sub deploySchema { |
277 |
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my $self = shift; |
278 |
joko |
1.5 |
my $args = shift; |
279 |
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280 |
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my $dsn = $self->{locator}->{dbi}->{dsn}; |
281 |
joko |
1.4 |
|
282 |
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$logger->debug( __PACKAGE__ . "->deploySchema( dsn $dsn )" ); |
283 |
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284 |
joko |
1.2 |
my $ok; |
285 |
joko |
1.8 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
286 |
joko |
1.4 |
return unless $self->_initSchema(); |
287 |
joko |
1.12 |
$ok = Tangram::Relational->deploy($schema_tangram, $dbh ); |
288 |
joko |
1.2 |
$dbh->disconnect(); |
289 |
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} |
290 |
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return $ok; |
291 |
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} |
292 |
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293 |
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sub retreatSchema { |
294 |
joko |
1.4 |
|
295 |
joko |
1.2 |
my $self = shift; |
296 |
joko |
1.5 |
my $dsn = $self->{locator}->{dbi}->{dsn}; |
297 |
joko |
1.4 |
|
298 |
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$logger->debug( __PACKAGE__ . "->retreatSchema( dsn $dsn )" ); |
299 |
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300 |
joko |
1.2 |
my $ok; |
301 |
joko |
1.8 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
302 |
joko |
1.4 |
|
303 |
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return unless $self->_initSchema(); |
304 |
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305 |
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#use Data::Dumper; print Dumper($self); |
306 |
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$self->{dataStorageLayer}->removeLogDispatchHandler("Tangram11"); |
307 |
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308 |
joko |
1.12 |
$ok = Tangram::Relational->retreat($schema_tangram, $dbh ); |
309 |
joko |
1.8 |
|
310 |
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# answer "$ok=2" means "maybe" for now - we have to patch this to a constant here because... |
311 |
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# - ... Tangram::Relational->retreat doesn't seem to return a valid status |
312 |
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# - possible improvement: |
313 |
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# - test this by checking for count of tables in database |
314 |
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# - problem with this: there may be some left not having been included to the schema |
315 |
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# - maybe better: use "->getChildNodes"? |
316 |
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$ok = 2; |
317 |
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318 |
joko |
1.2 |
$dbh->disconnect(); |
319 |
joko |
1.8 |
|
320 |
joko |
1.2 |
} |
321 |
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return $ok; |
322 |
joko |
1.4 |
} |
323 |
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324 |
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sub rebuildDbAndSchema { |
325 |
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my $self = shift; |
326 |
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$logger->info( __PACKAGE__ . "->rebuildDbAndSchema()" ); |
327 |
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my @results; |
328 |
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329 |
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# sum up results (bool (0/1)) in array |
330 |
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push @results, $self->retreatSchema(); |
331 |
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push @results, $self->{dataStorageLayer}->dropDb(); |
332 |
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push @results, $self->{dataStorageLayer}->createDb(); |
333 |
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push @results, $self->deploySchema(); |
334 |
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335 |
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# scan array for "bad ones" |
336 |
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my $res = 1; |
337 |
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map { |
338 |
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$res = 0 if (!$_); |
339 |
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} @results; |
340 |
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341 |
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return $res; |
342 |
joko |
1.6 |
} |
343 |
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344 |
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sub getListUnfiltered { |
345 |
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my $self = shift; |
346 |
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my $nodename = shift; |
347 |
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my @results; |
348 |
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$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
349 |
|
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# get set of objects from odbms by object name |
350 |
joko |
1.13 |
my $object_set = $self->{_COREHANDLE}->remote($nodename); |
351 |
|
|
@results = $self->{_COREHANDLE}->select($object_set); |
352 |
joko |
1.6 |
return \@results; |
353 |
|
|
} |
354 |
|
|
|
355 |
|
|
sub getListFiltered { |
356 |
|
|
my $self = shift; |
357 |
|
|
|
358 |
|
|
# redirect to unfiltered mode |
359 |
|
|
#return $self->getListUnfiltered(@_); |
360 |
|
|
|
361 |
|
|
my $nodename = shift; |
362 |
|
|
my $filters = shift; |
363 |
|
|
my @results; |
364 |
|
|
$logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" ); |
365 |
|
|
|
366 |
|
|
#print Dumper($filters); |
367 |
|
|
|
368 |
|
|
my @tfilters; |
369 |
|
|
|
370 |
|
|
foreach my $filter (@$filters) { |
371 |
|
|
|
372 |
|
|
# get filter - TODO: for each filter |
373 |
|
|
#my $filter = $filters->[0]; |
374 |
|
|
|
375 |
|
|
# build filter |
376 |
|
|
my $lexpr = $filter->{key}; |
377 |
|
|
#my $op = $filter->{op}; |
378 |
|
|
my $op = '='; |
379 |
|
|
my $rexpr = $filter->{val}; |
380 |
|
|
my $tight = 100; |
381 |
|
|
|
382 |
|
|
# my $tfilter = Tangram::Filter->new( |
383 |
|
|
# expr => "t1.$lexpr $op '$rexpr'", |
384 |
|
|
# tight => $tight, |
385 |
|
|
# objects => $objects, |
386 |
|
|
# ); |
387 |
|
|
|
388 |
|
|
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
389 |
|
|
push @tfilters, '$remote->{' . $filter->{key} . '}' . " $filter->{op} '$filter->{val}'"; |
390 |
|
|
|
391 |
|
|
} |
392 |
|
|
|
393 |
|
|
my $tfilter = join(' & ', @tfilters); |
394 |
|
|
|
395 |
|
|
# get set of objects from odbms by object name |
396 |
joko |
1.13 |
my $remote = $self->{_COREHANDLE}->remote($nodename); |
397 |
joko |
1.6 |
|
398 |
|
|
# was: |
399 |
|
|
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
400 |
|
|
|
401 |
|
|
# is: |
402 |
|
|
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
403 |
joko |
1.13 |
my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');'; |
404 |
joko |
1.6 |
|
405 |
|
|
# get filtered list/set |
406 |
|
|
@results = eval($evalstring); |
407 |
|
|
die $@ if $@; |
408 |
|
|
|
409 |
|
|
return \@results; |
410 |
|
|
} |
411 |
|
|
|
412 |
|
|
sub createCursor { |
413 |
|
|
my $self = shift; |
414 |
|
|
my $node = shift; |
415 |
joko |
1.13 |
my $cmdHandle = $self->{_COREHANDLE}->cursor($node); |
416 |
joko |
1.6 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
417 |
|
|
return $result; |
418 |
|
|
} |
419 |
|
|
|
420 |
|
|
sub createSet { |
421 |
|
|
my $self = shift; |
422 |
|
|
my @objects = @_; |
423 |
|
|
my $rh = Set::Object->new(); |
424 |
|
|
foreach (@objects) { |
425 |
|
|
#print Dumper($_); |
426 |
|
|
$rh->insert($_) if !isEmpty($_); |
427 |
|
|
} |
428 |
|
|
#print Dumper($rh->members()); |
429 |
|
|
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
430 |
|
|
return $result; |
431 |
|
|
} |
432 |
|
|
|
433 |
|
|
sub sendQuery { |
434 |
|
|
my $self = shift; |
435 |
|
|
my $query = shift; |
436 |
|
|
#my $sql = "SELECT cs FROM $self->{metainfo}->{$descent}->{node} WHERE $self->{metainfo}->{$descent}->{IdentProvider}->{arg}='$self->{entry}->{source}->{ident}';"; |
437 |
|
|
#my $result = $self->{metainfo}->{$descent}->{storage}->sendCommand($sql); |
438 |
|
|
|
439 |
|
|
#print Dumper($query); |
440 |
|
|
|
441 |
|
|
# HACK: special case: querying by id does not translate into a common tangram query |
442 |
|
|
# just load the object by given id(ent) |
443 |
|
|
if ($query->{criterias}->[0]->{key} eq 'id' && $query->{criterias}->[0]->{op} eq 'eq') { |
444 |
|
|
#print "LOAD!!!", "\n"; |
445 |
|
|
#exit; |
446 |
|
|
#return Set::Object->new( $self->{COREHANDLE}->load($query->{criterias}->[0]->{val}) ); |
447 |
|
|
my $ident = $query->{criterias}->[0]->{val}; |
448 |
|
|
#print "load obj", "\n"; |
449 |
|
|
#return $self->createSet() if $ident == 5; |
450 |
joko |
1.13 |
my $object = $self->{_COREHANDLE}->load($ident); |
451 |
joko |
1.6 |
#print "get id", "\n"; |
452 |
joko |
1.13 |
my $oid = $self->{_COREHANDLE}->id($object); |
453 |
joko |
1.6 |
return $self->createSet($object); |
454 |
|
|
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
455 |
|
|
} |
456 |
|
|
|
457 |
|
|
die("This should not be reached for now - redirect to \$self->getListFiltered() here!"); |
458 |
|
|
|
459 |
|
|
# TODO: do a common tangram query here |
460 |
|
|
|
461 |
|
|
my @crits; |
462 |
|
|
foreach (@{$query->{criterias}}) { |
463 |
|
|
my $op = ''; |
464 |
|
|
$op = '=' if lc $_->{op} eq 'eq'; |
465 |
|
|
push @crits, "$_->{key}$op'$_->{val}'"; |
466 |
|
|
} |
467 |
|
|
my $subnodes = {}; |
468 |
|
|
map { $subnodes->{$_}++ } @{$query->{subnodes}}; |
469 |
|
|
# HACK: this is hardcoded ;( expand possibilities! |
470 |
|
|
#my $crit = join(' AND ', @crits); |
471 |
|
|
#my $sql = hash2Sql($query->{node}, $subnodes, 'SELECT', $crit); |
472 |
|
|
#return $self->sendCommand($sql); |
473 |
|
|
#my $h = $self->{COREHANDLE}->remote($query->{node}); |
474 |
|
|
#my $res = $self->{COREHANDLE}->select($h, $h->{); |
475 |
|
|
return $self->createCursor($query->{node}); |
476 |
joko |
1.7 |
} |
477 |
|
|
|
478 |
|
|
sub eraseAll { |
479 |
|
|
my $self = shift; |
480 |
|
|
my $classname = shift; |
481 |
joko |
1.13 |
my $remote = $self->{_COREHANDLE}->remote($classname); |
482 |
|
|
my @objs = $self->{_COREHANDLE}->select($remote); |
483 |
|
|
$self->{_COREHANDLE}->erase(@objs); |
484 |
joko |
1.8 |
} |
485 |
|
|
|
486 |
|
|
sub createDb { |
487 |
|
|
my $self = shift; |
488 |
|
|
my $storage = $self->_getSubLayerHandle(); |
489 |
|
|
return $storage->createDb(); |
490 |
joko |
1.9 |
} |
491 |
|
|
|
492 |
|
|
sub getObject { |
493 |
|
|
my $self = shift; |
494 |
|
|
my $oid = shift; |
495 |
jonen |
1.14 |
my $options = shift; |
496 |
|
|
# TODO: create a deep_unload method |
497 |
|
|
# unload($oid) will only unload object, not deep object hashes |
498 |
|
|
$self->{_COREHANDLE}->unload() if($options->{destroy}); |
499 |
joko |
1.9 |
# TODO: review this |
500 |
|
|
#if (!$self->{COREHANDLE}) { return; } |
501 |
joko |
1.13 |
return $self->{_COREHANDLE}->load($oid); |
502 |
joko |
1.9 |
} |
503 |
|
|
|
504 |
|
|
sub getObjectAsHash { |
505 |
|
|
my $self = shift; |
506 |
|
|
my $oid = shift; |
507 |
|
|
my $options = shift; |
508 |
jonen |
1.14 |
my $obj = $self->getObject($oid, $options); |
509 |
joko |
1.15 |
|
510 |
|
|
# build options (a callback to unload autovivified objects) for 'expand' |
511 |
|
|
# TODO: use $logger to write to debug here! |
512 |
|
|
my $cb; # = sub {}; |
513 |
|
|
=pod |
514 |
|
|
if ($options->{destroy}) { |
515 |
|
|
$options->{cb}->{destroy} = sub { |
516 |
|
|
print "================ DESTROY", "\n"; |
517 |
|
|
my $object = shift; |
518 |
|
|
#print Dumper($object); |
519 |
|
|
$self->{_COREHANDLE}->unload($object); |
520 |
|
|
#undef($object); |
521 |
|
|
}; |
522 |
|
|
} |
523 |
|
|
=cut |
524 |
|
|
|
525 |
|
|
my $hash = object2hash($obj, $options); |
526 |
|
|
#$options->{cb}->{destroy}->($obj); |
527 |
|
|
#$self->{_COREHANDLE}->unload($obj); |
528 |
|
|
|
529 |
|
|
# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
530 |
|
|
# now done in object2hash |
531 |
|
|
#var2utf8($hash) if ($options->{utf8}); |
532 |
|
|
|
533 |
|
|
# old (wrong) attempts to get rid of used instances, if requested |
534 |
|
|
#$obj->clear_refs; |
535 |
|
|
#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
536 |
|
|
#$obj->DESTROY; |
537 |
|
|
#undef($obj) if($options->{destroy}); |
538 |
|
|
|
539 |
|
|
return $hash; |
540 |
joko |
1.12 |
} |
541 |
|
|
|
542 |
|
|
sub getSchema { |
543 |
|
|
return $schema_tangram; |
544 |
joko |
1.13 |
} |
545 |
|
|
|
546 |
|
|
sub getCOREHANDLE { |
547 |
|
|
my $self = shift; |
548 |
|
|
return $self->{_COREHANDLE}; |
549 |
cvsjoko |
1.1 |
} |
550 |
|
|
|
551 |
|
|
1; |