| 1 |
joko |
1.6 |
############################################ |
| 2 |
cvsjoko |
1.1 |
# |
| 3 |
jonen |
1.20 |
# $Id: Tangram.pm,v 1.19 2002/12/16 06:46:09 joko Exp $ |
| 4 |
joko |
1.2 |
# |
| 5 |
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# $Log: Tangram.pm,v $ |
| 6 |
jonen |
1.20 |
# Revision 1.19 2002/12/16 06:46:09 joko |
| 7 |
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# + attempt to introduce a generic '_patchSchema' - cancelled! |
| 8 |
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# |
| 9 |
joko |
1.19 |
# Revision 1.18 2002/12/13 21:48:07 joko |
| 10 |
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# + fix to 'sub sendQuery' |
| 11 |
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# |
| 12 |
joko |
1.18 |
# Revision 1.17 2002/12/12 02:51:09 joko |
| 13 |
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# + cosmetics |
| 14 |
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# |
| 15 |
joko |
1.17 |
# Revision 1.16 2002/12/11 06:54:10 joko |
| 16 |
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# + fix: encapsulated object-loading inside an 'eval' |
| 17 |
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# |
| 18 |
joko |
1.16 |
# Revision 1.15 2002/12/05 13:55:21 joko |
| 19 |
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# + now utilizing 'object2hash' instead of 'var_deref' |
| 20 |
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# + played around with having fresh-objects - no progress.... |
| 21 |
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# |
| 22 |
joko |
1.15 |
# Revision 1.14 2002/12/05 09:40:30 jonen |
| 23 |
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# + added option->{destroy} at getObject for unloading all instance |
| 24 |
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# |
| 25 |
jonen |
1.14 |
# Revision 1.13 2002/12/05 07:59:04 joko |
| 26 |
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# + now using Tie::SecureHash as a base for the COREHANDLE |
| 27 |
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# + former public COREHANDLE becomes private _COREHANDLE now |
| 28 |
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# + sub getCOREHANDLE |
| 29 |
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# |
| 30 |
joko |
1.13 |
# Revision 1.12 2002/12/04 11:34:49 joko |
| 31 |
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# - $schema_tangram doesn't have to be in class? |
| 32 |
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# |
| 33 |
joko |
1.12 |
# Revision 1.11 2002/12/04 08:54:08 jonen |
| 34 |
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# + untested bugfix: undef($object) after transform to hash at getObjectAsHash |
| 35 |
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# |
| 36 |
jonen |
1.11 |
# Revision 1.10 2002/12/03 15:53:23 joko |
| 37 |
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# + small bugfix regarding object hierarchy |
| 38 |
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# |
| 39 |
joko |
1.10 |
# Revision 1.9 2002/12/03 05:29:40 joko |
| 40 |
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# + sub getObject |
| 41 |
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# + sub getObjectAsHash |
| 42 |
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# |
| 43 |
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 |
| 45 |
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# |
| 46 |
joko |
1.8 |
# Revision 1.7 2002/12/01 04:46:19 joko |
| 47 |
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# + sub eraseAll |
| 48 |
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# |
| 49 |
joko |
1.7 |
# Revision 1.6 2002/11/29 05:02:30 joko |
| 50 |
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# - sub getNewPerlObjectByPkgName (moved to libp.pm) |
| 51 |
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# + sub getMetaInfo |
| 52 |
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# - sub existsChildNode (moved to Abstract.pm) |
| 53 |
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# + sub getListUnfiltered |
| 54 |
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# + sub getListFiltered |
| 55 |
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# + sub createCursor |
| 56 |
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# + sub createSet |
| 57 |
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# + sub sendQuery |
| 58 |
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# |
| 59 |
joko |
1.6 |
# Revision 1.5 2002/11/17 06:35:18 joko |
| 60 |
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# + locator metadata can now be reached via ->{locator} |
| 61 |
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# - getChildNodes is now wrapped via COREHANDLE |
| 62 |
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# |
| 63 |
joko |
1.5 |
# Revision 1.4 2002/10/25 11:44:44 joko |
| 64 |
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# + sub _initSchema |
| 65 |
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# + sub existsChildNode |
| 66 |
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# + sub testIntegrity |
| 67 |
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# + sub rebuildDbAndSchema |
| 68 |
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# |
| 69 |
joko |
1.4 |
# Revision 1.3 2002/10/17 03:56:55 joko |
| 70 |
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# + bugfix: trapped eval error |
| 71 |
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# |
| 72 |
joko |
1.3 |
# Revision 1.2 2002/10/17 00:10:05 joko |
| 73 |
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# + removed dependency from tsobj.pm, schema is now independent |
| 74 |
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# + sub getNewPerlObjectByPkgName |
| 75 |
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# + sub deploySchema |
| 76 |
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# + sub retreatSchema |
| 77 |
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# |
| 78 |
joko |
1.2 |
# Revision 1.1 2002/10/10 03:44:07 cvsjoko |
| 79 |
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# + new |
| 80 |
cvsjoko |
1.1 |
# |
| 81 |
joko |
1.6 |
############################################ |
| 82 |
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| 83 |
cvsjoko |
1.1 |
|
| 84 |
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package Data::Storage::Handler::Tangram; |
| 85 |
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| 86 |
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use strict; |
| 87 |
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use warnings; |
| 88 |
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| 89 |
joko |
1.13 |
use base ("Data::Storage::Handler"); |
| 90 |
cvsjoko |
1.1 |
use base ("Data::Storage::Handler::Abstract"); |
| 91 |
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| 92 |
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use Tangram; |
| 93 |
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use Data::Dumper; |
| 94 |
joko |
1.6 |
use libp qw( getNewPerlObjectByPkgName ); |
| 95 |
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use Data::Storage::Result::Tangram; |
| 96 |
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use Data::Compare::Struct qw( isEmpty ); |
| 97 |
joko |
1.15 |
use Data::Transform::Deep qw( object2hash ); |
| 98 |
joko |
1.9 |
use Data::Transform::Encode qw( var2utf8 ); |
| 99 |
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| 100 |
cvsjoko |
1.1 |
|
| 101 |
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# get logger instance |
| 102 |
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my $logger = Log::Dispatch::Config->instance; |
| 103 |
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| 104 |
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| 105 |
joko |
1.12 |
# this holds the complete instantiated schema from tangram |
| 106 |
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my $schema_tangram; |
| 107 |
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| 108 |
joko |
1.6 |
sub getMetaInfo { |
| 109 |
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my $self = shift; |
| 110 |
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$logger->debug( __PACKAGE__ . "->getMetaInfo()" ); |
| 111 |
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return { |
| 112 |
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'disconnectMethod' => 'disconnect', |
| 113 |
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}; |
| 114 |
joko |
1.2 |
} |
| 115 |
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| 116 |
joko |
1.4 |
sub _initSchema { |
| 117 |
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my $self = shift; |
| 118 |
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$logger->debug( __PACKAGE__ . "->_initSchema()" ); |
| 119 |
joko |
1.12 |
#if (!$schema_tangram) { |
| 120 |
joko |
1.5 |
my $obj = getNewPerlObjectByPkgName($self->{locator}->{schema}, { EXPORT_OBJECTS => $self->{locator}->{classnames}, want_transactions => $self->{locator}->{want_transactions} } ); |
| 121 |
joko |
1.12 |
$schema_tangram = $obj->getSchema(); |
| 122 |
joko |
1.4 |
#} |
| 123 |
joko |
1.12 |
if (!$schema_tangram) { |
| 124 |
joko |
1.4 |
$logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" ); |
| 125 |
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return 0; |
| 126 |
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} |
| 127 |
joko |
1.19 |
#$self->_patchSchema(); |
| 128 |
joko |
1.4 |
return 1; |
| 129 |
joko |
1.19 |
} |
| 130 |
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| 131 |
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sub _patchSchema { |
| 132 |
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my $self = shift; |
| 133 |
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foreach (keys %{$schema_tangram->{classes}}) { |
| 134 |
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next if $schema_tangram->{classes}->{$_}->{abstract}; |
| 135 |
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#next if ($_ ne 'TsBankAccount'); |
| 136 |
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#$_ ne 'AbstractAccount' && |
| 137 |
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print "class: $_", "\n"; |
| 138 |
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#print Dumper($schema_tangram->{classes}->{$_}); |
| 139 |
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# create new string property named 'guid' |
| 140 |
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my $tstring = Tangram::String->new(); |
| 141 |
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$tstring->{name} = $tstring->{col} = 'guid'; |
| 142 |
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# inject property into schema |
| 143 |
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#$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring; |
| 144 |
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print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}); |
| 145 |
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} |
| 146 |
joko |
1.4 |
} |
| 147 |
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| 148 |
cvsjoko |
1.1 |
sub connect { |
| 149 |
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| 150 |
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my $self = shift; |
| 151 |
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| 152 |
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my $dsn = shift; |
| 153 |
joko |
1.5 |
$dsn ||= $self->{locator}->{dbi}->{dsn}; |
| 154 |
cvsjoko |
1.1 |
|
| 155 |
joko |
1.2 |
$logger->debug( __PACKAGE__ . "->connect( dsn $dsn )" ); |
| 156 |
cvsjoko |
1.1 |
|
| 157 |
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#my $storage = Tangram::Relational->connect( $schema, $dsn ); |
| 158 |
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#my $storage = Tangram::mysql->connect( $schema, $dsn ); |
| 159 |
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#$storage = Tangram::Relational->connect( Project->schema, $dsn ); |
| 160 |
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| 161 |
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# if (!testDsn($dsn)) { |
| 162 |
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# croak("Database at \"$dsn\" is not available"); |
| 163 |
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# return; |
| 164 |
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# } |
| 165 |
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| 166 |
joko |
1.4 |
return unless $self->_initSchema(); |
| 167 |
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| 168 |
joko |
1.6 |
# create the main tangram storage object |
| 169 |
joko |
1.2 |
#$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn ); |
| 170 |
joko |
1.13 |
$self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn ); |
| 171 |
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| 172 |
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#print "connect", "\n"; |
| 173 |
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#my $core = $self->{_COREHANDLE}; |
| 174 |
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#print Dumper($core); |
| 175 |
cvsjoko |
1.1 |
|
| 176 |
joko |
1.6 |
# some attempts for configuring the wrapped underlying dbi..... |
| 177 |
cvsjoko |
1.1 |
#$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage(); |
| 178 |
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#$self->{STORAGEHANDLE_UNDERLYING}->_configureCOREHANDLE(); |
| 179 |
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#$self->_configureUnderlyingStorage; |
| 180 |
joko |
1.6 |
|
| 181 |
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# ..... encapsulation wins! |
| 182 |
cvsjoko |
1.1 |
$self->configureCOREHANDLE(); |
| 183 |
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| 184 |
joko |
1.5 |
$self->{locator}->{status}->{connected} = 1; |
| 185 |
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| 186 |
joko |
1.4 |
return 1; |
| 187 |
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| 188 |
cvsjoko |
1.1 |
} |
| 189 |
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| 190 |
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sub getChildNodes { |
| 191 |
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| 192 |
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my $self = shift; |
| 193 |
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my @nodes; |
| 194 |
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| 195 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->getChildNodes()" ); |
| 196 |
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| 197 |
cvsjoko |
1.1 |
# create new DBI - Data::Storage - object from already connected DBI::db - handle inside the current COREHANDLE |
| 198 |
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#my $loc = new Data::Storage::Locator( type => "DBI", dbi => { db => $self->{COREHANDLE}->{db} }); |
| 199 |
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#my $loc = new Data::Storage::Locator( type => "DBI", COREHANDLE => $self->{COREHANDLE}->{db} ); |
| 200 |
joko |
1.6 |
|
| 201 |
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# todo: should we retrieve information from the schema here |
| 202 |
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# rather than poorly getting table names from underlying dbi? |
| 203 |
cvsjoko |
1.1 |
my $storage = $self->_getSubLayerHandle(); |
| 204 |
joko |
1.5 |
@nodes = @{$storage->getChildNodes()}; |
| 205 |
cvsjoko |
1.1 |
#$storage->_configureCOREHANDLE(); |
| 206 |
joko |
1.5 |
#print "getchildnodes\n"; |
| 207 |
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#print Dumper($self); |
| 208 |
cvsjoko |
1.1 |
#if (my $result = $self->sendCommand( 'SHOW TABLES;' ) ) { |
| 209 |
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| 210 |
joko |
1.8 |
# TODO: REVIEW |
| 211 |
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#$storage->disconnect(); |
| 212 |
cvsjoko |
1.1 |
|
| 213 |
joko |
1.4 |
$self->{meta}->{childnodes} = \@nodes; |
| 214 |
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| 215 |
cvsjoko |
1.1 |
return \@nodes; |
| 216 |
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| 217 |
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} |
| 218 |
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| 219 |
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| 220 |
joko |
1.4 |
sub testIntegrity { |
| 221 |
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| 222 |
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my $self = shift; |
| 223 |
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| 224 |
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$logger->debug( __PACKAGE__ . "->testIntegrity()" ); |
| 225 |
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| 226 |
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# 1st test: are there tables? |
| 227 |
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if (!$self->getChildNodes()) { |
| 228 |
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$logger->warning( __PACKAGE__ . "->testIntegrity no childnodes exist" ); |
| 229 |
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return; |
| 230 |
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} |
| 231 |
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| 232 |
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# 2nd test: is there a table named "Tangram"? |
| 233 |
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if (!$self->existsChildNode("Tangram")) { |
| 234 |
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$logger->warning( __PACKAGE__ . "->testIntegrity childnode \"Tangram\" doesn't exist" ); |
| 235 |
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return; |
| 236 |
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} |
| 237 |
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| 238 |
joko |
1.5 |
$self->{locator}->{status}->{integrity} = 1; |
| 239 |
joko |
1.4 |
return 1; |
| 240 |
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| 241 |
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} |
| 242 |
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| 243 |
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| 244 |
cvsjoko |
1.1 |
sub _getSubLayerHandle { |
| 245 |
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| 246 |
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my $self = shift; |
| 247 |
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| 248 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->_getSubLayerHandle()" ); |
| 249 |
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| 250 |
cvsjoko |
1.1 |
#print Dumper($self); |
| 251 |
joko |
1.5 |
|
| 252 |
cvsjoko |
1.1 |
# hack, make more generic! |
| 253 |
joko |
1.4 |
if (!$self->{dataStorageLayer}) { |
| 254 |
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$logger->debug( __PACKAGE__ . "->_getSubLayerHandle() creating new dataStorageLayer" ); |
| 255 |
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#my $loc = Data::Storage::Locator->new( type => "DBI", dbi => $self->{dbi}, COREHANDLE => $self->{COREHANDLE}->{db} ); |
| 256 |
joko |
1.5 |
my $loc = Data::Storage::Locator->new( { type => "DBI", dbi => $self->{locator}->{dbi} } ); |
| 257 |
joko |
1.4 |
$self->{dataStorageLayer} = Data::Storage->new( $loc, { protected => 1 } ); |
| 258 |
cvsjoko |
1.1 |
#$self->{STORAGE_UNDER_THE_HOOD}->{STORAGEHANDLE}->_configureCOREHANDLE(); |
| 259 |
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#$self->{STORAGE_UNDER_THE_HOOD}->_configureCOREHANDLE(); |
| 260 |
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} |
| 261 |
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| 262 |
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#print Dumper($self->{STORAGE_UNDER_THE_HOOD}); |
| 263 |
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| 264 |
joko |
1.4 |
return $self->{dataStorageLayer}; |
| 265 |
cvsjoko |
1.1 |
|
| 266 |
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} |
| 267 |
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| 268 |
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sub _configureUnderlyingStorage { |
| 269 |
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| 270 |
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my $self = shift; |
| 271 |
joko |
1.4 |
|
| 272 |
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$logger->debug( __PACKAGE__ . "->_configureUnderlyingStorage" ); |
| 273 |
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| 274 |
cvsjoko |
1.1 |
$self->_configureCOREHANDLE_DBI(); |
| 275 |
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return; |
| 276 |
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| 277 |
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foreach my $key (keys %{$self->{dbi}}) { |
| 278 |
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my $val = $self->{dbi}->{$key}; |
| 279 |
|
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print "entry: $key; $val", "\n"; |
| 280 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{$key} = $val; |
| 281 |
cvsjoko |
1.1 |
} |
| 282 |
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#print Dumper($self->{COREHANDLE}->{db}); |
| 283 |
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} |
| 284 |
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| 285 |
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| 286 |
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sub configureCOREHANDLE { |
| 287 |
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| 288 |
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my $self = shift; |
| 289 |
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| 290 |
joko |
1.4 |
$logger->debug( __PACKAGE__ . "->configureCOREHANDLE" ); |
| 291 |
cvsjoko |
1.1 |
|
| 292 |
|
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#my $subLayer = $self->_getSubLayerHandle(); |
| 293 |
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| 294 |
|
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# apply configured modifications |
| 295 |
|
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if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) { |
| 296 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file}); |
| 297 |
cvsjoko |
1.1 |
} |
| 298 |
|
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if (exists $self->{dbi}->{RaiseError}) { |
| 299 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError}; |
| 300 |
cvsjoko |
1.1 |
} |
| 301 |
|
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if (exists $self->{dbi}->{PrintError}) { |
| 302 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError}; |
| 303 |
cvsjoko |
1.1 |
} |
| 304 |
|
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if (exists $self->{dbi}->{HandleError}) { |
| 305 |
joko |
1.13 |
$self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError}; |
| 306 |
cvsjoko |
1.1 |
} |
| 307 |
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| 308 |
joko |
1.2 |
} |
| 309 |
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| 310 |
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sub deploySchema { |
| 311 |
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my $self = shift; |
| 312 |
joko |
1.5 |
my $args = shift; |
| 313 |
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| 314 |
|
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my $dsn = $self->{locator}->{dbi}->{dsn}; |
| 315 |
joko |
1.4 |
|
| 316 |
|
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$logger->debug( __PACKAGE__ . "->deploySchema( dsn $dsn )" ); |
| 317 |
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| 318 |
joko |
1.2 |
my $ok; |
| 319 |
joko |
1.8 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
| 320 |
joko |
1.4 |
return unless $self->_initSchema(); |
| 321 |
joko |
1.12 |
$ok = Tangram::Relational->deploy($schema_tangram, $dbh ); |
| 322 |
joko |
1.2 |
$dbh->disconnect(); |
| 323 |
|
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} |
| 324 |
|
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return $ok; |
| 325 |
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} |
| 326 |
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| 327 |
|
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sub retreatSchema { |
| 328 |
joko |
1.4 |
|
| 329 |
joko |
1.2 |
my $self = shift; |
| 330 |
joko |
1.5 |
my $dsn = $self->{locator}->{dbi}->{dsn}; |
| 331 |
joko |
1.4 |
|
| 332 |
|
|
$logger->debug( __PACKAGE__ . "->retreatSchema( dsn $dsn )" ); |
| 333 |
|
|
|
| 334 |
joko |
1.2 |
my $ok; |
| 335 |
joko |
1.8 |
if ( my $dbh = DBI->connect($dsn, '', '', $self->{locator}->{dbi} ) ) { |
| 336 |
joko |
1.4 |
|
| 337 |
|
|
return unless $self->_initSchema(); |
| 338 |
|
|
|
| 339 |
|
|
#use Data::Dumper; print Dumper($self); |
| 340 |
|
|
$self->{dataStorageLayer}->removeLogDispatchHandler("Tangram11"); |
| 341 |
|
|
|
| 342 |
joko |
1.12 |
$ok = Tangram::Relational->retreat($schema_tangram, $dbh ); |
| 343 |
joko |
1.8 |
|
| 344 |
|
|
# answer "$ok=2" means "maybe" for now - we have to patch this to a constant here because... |
| 345 |
|
|
# - ... Tangram::Relational->retreat doesn't seem to return a valid status |
| 346 |
|
|
# - possible improvement: |
| 347 |
|
|
# - test this by checking for count of tables in database |
| 348 |
|
|
# - problem with this: there may be some left not having been included to the schema |
| 349 |
|
|
# - maybe better: use "->getChildNodes"? |
| 350 |
|
|
$ok = 2; |
| 351 |
|
|
|
| 352 |
joko |
1.2 |
$dbh->disconnect(); |
| 353 |
joko |
1.8 |
|
| 354 |
joko |
1.2 |
} |
| 355 |
|
|
return $ok; |
| 356 |
joko |
1.4 |
} |
| 357 |
|
|
|
| 358 |
|
|
sub rebuildDbAndSchema { |
| 359 |
|
|
my $self = shift; |
| 360 |
|
|
$logger->info( __PACKAGE__ . "->rebuildDbAndSchema()" ); |
| 361 |
|
|
my @results; |
| 362 |
|
|
|
| 363 |
|
|
# sum up results (bool (0/1)) in array |
| 364 |
|
|
push @results, $self->retreatSchema(); |
| 365 |
|
|
push @results, $self->{dataStorageLayer}->dropDb(); |
| 366 |
|
|
push @results, $self->{dataStorageLayer}->createDb(); |
| 367 |
|
|
push @results, $self->deploySchema(); |
| 368 |
|
|
|
| 369 |
|
|
# scan array for "bad ones" |
| 370 |
|
|
my $res = 1; |
| 371 |
|
|
map { |
| 372 |
|
|
$res = 0 if (!$_); |
| 373 |
|
|
} @results; |
| 374 |
|
|
|
| 375 |
|
|
return $res; |
| 376 |
joko |
1.6 |
} |
| 377 |
|
|
|
| 378 |
|
|
sub getListUnfiltered { |
| 379 |
|
|
my $self = shift; |
| 380 |
|
|
my $nodename = shift; |
| 381 |
|
|
my @results; |
| 382 |
|
|
$logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" ); |
| 383 |
|
|
# get set of objects from odbms by object name |
| 384 |
joko |
1.13 |
my $object_set = $self->{_COREHANDLE}->remote($nodename); |
| 385 |
|
|
@results = $self->{_COREHANDLE}->select($object_set); |
| 386 |
joko |
1.6 |
return \@results; |
| 387 |
|
|
} |
| 388 |
|
|
|
| 389 |
|
|
sub getListFiltered { |
| 390 |
|
|
my $self = shift; |
| 391 |
|
|
|
| 392 |
|
|
# redirect to unfiltered mode |
| 393 |
|
|
#return $self->getListUnfiltered(@_); |
| 394 |
|
|
|
| 395 |
|
|
my $nodename = shift; |
| 396 |
|
|
my $filters = shift; |
| 397 |
|
|
my @results; |
| 398 |
|
|
$logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" ); |
| 399 |
|
|
|
| 400 |
|
|
#print Dumper($filters); |
| 401 |
|
|
|
| 402 |
|
|
my @tfilters; |
| 403 |
|
|
|
| 404 |
|
|
foreach my $filter (@$filters) { |
| 405 |
|
|
|
| 406 |
|
|
# get filter - TODO: for each filter |
| 407 |
|
|
#my $filter = $filters->[0]; |
| 408 |
|
|
|
| 409 |
|
|
# build filter |
| 410 |
|
|
my $lexpr = $filter->{key}; |
| 411 |
|
|
#my $op = $filter->{op}; |
| 412 |
|
|
my $op = '='; |
| 413 |
|
|
my $rexpr = $filter->{val}; |
| 414 |
|
|
my $tight = 100; |
| 415 |
|
|
|
| 416 |
|
|
# my $tfilter = Tangram::Filter->new( |
| 417 |
|
|
# expr => "t1.$lexpr $op '$rexpr'", |
| 418 |
|
|
# tight => $tight, |
| 419 |
|
|
# objects => $objects, |
| 420 |
|
|
# ); |
| 421 |
|
|
|
| 422 |
|
|
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
| 423 |
|
|
push @tfilters, '$remote->{' . $filter->{key} . '}' . " $filter->{op} '$filter->{val}'"; |
| 424 |
|
|
|
| 425 |
|
|
} |
| 426 |
|
|
|
| 427 |
|
|
my $tfilter = join(' & ', @tfilters); |
| 428 |
|
|
|
| 429 |
|
|
# get set of objects from odbms by object name |
| 430 |
joko |
1.13 |
my $remote = $self->{_COREHANDLE}->remote($nodename); |
| 431 |
joko |
1.6 |
|
| 432 |
|
|
# was: |
| 433 |
|
|
#@results = $self->{COREHANDLE}->select($object_set, $tfilter); |
| 434 |
|
|
|
| 435 |
|
|
# is: |
| 436 |
|
|
# HACK: build eval-string (sorry) to get filtered list - please give advice here |
| 437 |
joko |
1.13 |
my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');'; |
| 438 |
joko |
1.6 |
|
| 439 |
|
|
# get filtered list/set |
| 440 |
|
|
@results = eval($evalstring); |
| 441 |
|
|
die $@ if $@; |
| 442 |
|
|
|
| 443 |
|
|
return \@results; |
| 444 |
|
|
} |
| 445 |
|
|
|
| 446 |
|
|
sub createCursor { |
| 447 |
|
|
my $self = shift; |
| 448 |
|
|
my $node = shift; |
| 449 |
joko |
1.13 |
my $cmdHandle = $self->{_COREHANDLE}->cursor($node); |
| 450 |
joko |
1.6 |
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle ); |
| 451 |
|
|
return $result; |
| 452 |
|
|
} |
| 453 |
|
|
|
| 454 |
|
|
sub createSet { |
| 455 |
|
|
my $self = shift; |
| 456 |
joko |
1.18 |
#print "-" x 80, "\n"; |
| 457 |
|
|
#print Dumper(@_); |
| 458 |
joko |
1.6 |
my @objects = @_; |
| 459 |
|
|
my $rh = Set::Object->new(); |
| 460 |
|
|
foreach (@objects) { |
| 461 |
joko |
1.18 |
if (!isEmpty($_)) { |
| 462 |
|
|
#print Dumper($_); |
| 463 |
|
|
$rh->insert($_); |
| 464 |
|
|
} |
| 465 |
joko |
1.6 |
} |
| 466 |
|
|
#print Dumper($rh->members()); |
| 467 |
|
|
my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh ); |
| 468 |
|
|
return $result; |
| 469 |
|
|
} |
| 470 |
|
|
|
| 471 |
|
|
sub sendQuery { |
| 472 |
|
|
my $self = shift; |
| 473 |
|
|
my $query = shift; |
| 474 |
|
|
#my $sql = "SELECT cs FROM $self->{metainfo}->{$descent}->{node} WHERE $self->{metainfo}->{$descent}->{IdentProvider}->{arg}='$self->{entry}->{source}->{ident}';"; |
| 475 |
|
|
#my $result = $self->{metainfo}->{$descent}->{storage}->sendCommand($sql); |
| 476 |
|
|
|
| 477 |
|
|
#print Dumper($query); |
| 478 |
|
|
|
| 479 |
|
|
# HACK: special case: querying by id does not translate into a common tangram query |
| 480 |
|
|
# just load the object by given id(ent) |
| 481 |
|
|
if ($query->{criterias}->[0]->{key} eq 'id' && $query->{criterias}->[0]->{op} eq 'eq') { |
| 482 |
|
|
#print "LOAD!!!", "\n"; |
| 483 |
|
|
#exit; |
| 484 |
|
|
#return Set::Object->new( $self->{COREHANDLE}->load($query->{criterias}->[0]->{val}) ); |
| 485 |
|
|
my $ident = $query->{criterias}->[0]->{val}; |
| 486 |
|
|
#print "load obj", "\n"; |
| 487 |
|
|
#return $self->createSet() if $ident == 5; |
| 488 |
joko |
1.18 |
$self->{_COREHANDLE}->unload($ident); |
| 489 |
joko |
1.13 |
my $object = $self->{_COREHANDLE}->load($ident); |
| 490 |
joko |
1.6 |
#print "get id", "\n"; |
| 491 |
joko |
1.13 |
my $oid = $self->{_COREHANDLE}->id($object); |
| 492 |
joko |
1.18 |
#print Dumper($object); |
| 493 |
|
|
#print "oid: $oid", "\n"; |
| 494 |
joko |
1.6 |
return $self->createSet($object); |
| 495 |
|
|
#return $self->createSet( $self->{COREHANDLE}->load('300090018') ); |
| 496 |
|
|
} |
| 497 |
|
|
|
| 498 |
|
|
die("This should not be reached for now - redirect to \$self->getListFiltered() here!"); |
| 499 |
|
|
|
| 500 |
|
|
# TODO: do a common tangram query here |
| 501 |
|
|
|
| 502 |
|
|
my @crits; |
| 503 |
|
|
foreach (@{$query->{criterias}}) { |
| 504 |
|
|
my $op = ''; |
| 505 |
|
|
$op = '=' if lc $_->{op} eq 'eq'; |
| 506 |
|
|
push @crits, "$_->{key}$op'$_->{val}'"; |
| 507 |
|
|
} |
| 508 |
|
|
my $subnodes = {}; |
| 509 |
|
|
map { $subnodes->{$_}++ } @{$query->{subnodes}}; |
| 510 |
|
|
# HACK: this is hardcoded ;( expand possibilities! |
| 511 |
|
|
#my $crit = join(' AND ', @crits); |
| 512 |
|
|
#my $sql = hash2Sql($query->{node}, $subnodes, 'SELECT', $crit); |
| 513 |
|
|
#return $self->sendCommand($sql); |
| 514 |
|
|
#my $h = $self->{COREHANDLE}->remote($query->{node}); |
| 515 |
|
|
#my $res = $self->{COREHANDLE}->select($h, $h->{); |
| 516 |
|
|
return $self->createCursor($query->{node}); |
| 517 |
joko |
1.7 |
} |
| 518 |
|
|
|
| 519 |
|
|
sub eraseAll { |
| 520 |
|
|
my $self = shift; |
| 521 |
|
|
my $classname = shift; |
| 522 |
joko |
1.13 |
my $remote = $self->{_COREHANDLE}->remote($classname); |
| 523 |
|
|
my @objs = $self->{_COREHANDLE}->select($remote); |
| 524 |
|
|
$self->{_COREHANDLE}->erase(@objs); |
| 525 |
joko |
1.8 |
} |
| 526 |
|
|
|
| 527 |
|
|
sub createDb { |
| 528 |
|
|
my $self = shift; |
| 529 |
|
|
my $storage = $self->_getSubLayerHandle(); |
| 530 |
|
|
return $storage->createDb(); |
| 531 |
joko |
1.9 |
} |
| 532 |
|
|
|
| 533 |
|
|
sub getObject { |
| 534 |
|
|
my $self = shift; |
| 535 |
|
|
my $oid = shift; |
| 536 |
jonen |
1.14 |
my $options = shift; |
| 537 |
joko |
1.16 |
|
| 538 |
|
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
| 539 |
jonen |
1.14 |
# unload($oid) will only unload object, not deep object hashes |
| 540 |
joko |
1.17 |
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
| 541 |
joko |
1.16 |
|
| 542 |
joko |
1.9 |
# TODO: review this |
| 543 |
|
|
#if (!$self->{COREHANDLE}) { return; } |
| 544 |
joko |
1.16 |
|
| 545 |
|
|
# TODO: review this |
| 546 |
|
|
my $object = eval('$self->{_COREHANDLE}->load($oid);'); |
| 547 |
|
|
print $@, "\n" if $@; |
| 548 |
|
|
|
| 549 |
|
|
return $object if $object; |
| 550 |
joko |
1.9 |
} |
| 551 |
|
|
|
| 552 |
jonen |
1.20 |
sub getObjectByGuid { |
| 553 |
|
|
my $self = shift; |
| 554 |
|
|
my $guid = shift; |
| 555 |
|
|
my $options = shift; |
| 556 |
|
|
|
| 557 |
|
|
# Guid and Classname is needed |
| 558 |
|
|
if(!$guid || !$options->{classname}) { |
| 559 |
|
|
return; |
| 560 |
|
|
} |
| 561 |
|
|
|
| 562 |
|
|
# TODO: create a deep_unload method (currently _all_ objects are unloaded) |
| 563 |
|
|
# unload($oid) will only unload object, not deep object hashes |
| 564 |
|
|
$self->{_COREHANDLE}->unload() if ($options->{destroy}); |
| 565 |
|
|
|
| 566 |
|
|
# search for object with given Classname and Guid |
| 567 |
|
|
my $obj_tmp = $self->{_COREHANDLE}->remote($classname); |
| 568 |
|
|
my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid); |
| 569 |
|
|
|
| 570 |
|
|
# we searched for global unique identifer of some object, |
| 571 |
|
|
# so it think we can trust there would be only one result |
| 572 |
|
|
if($result[0]) { |
| 573 |
|
|
return $result[0]; |
| 574 |
|
|
} else { |
| 575 |
|
|
return "No Object with Classname $classname and GUID $options->{guid} found!"; |
| 576 |
|
|
} |
| 577 |
|
|
|
| 578 |
|
|
} |
| 579 |
|
|
|
| 580 |
joko |
1.9 |
sub getObjectAsHash { |
| 581 |
|
|
my $self = shift; |
| 582 |
|
|
my $oid = shift; |
| 583 |
jonen |
1.20 |
my $options = shift; |
| 584 |
|
|
my $obj; |
| 585 |
|
|
|
| 586 |
|
|
if($options->{guid}) { |
| 587 |
|
|
$obj = $self->getObjectByGuid($oid, $options); |
| 588 |
|
|
} else { |
| 589 |
|
|
$obj = $self->getObject($oid, $options); |
| 590 |
|
|
} |
| 591 |
joko |
1.15 |
|
| 592 |
|
|
# build options (a callback to unload autovivified objects) for 'expand' |
| 593 |
|
|
# TODO: use $logger to write to debug here! |
| 594 |
|
|
my $cb; # = sub {}; |
| 595 |
|
|
=pod |
| 596 |
|
|
if ($options->{destroy}) { |
| 597 |
|
|
$options->{cb}->{destroy} = sub { |
| 598 |
|
|
print "================ DESTROY", "\n"; |
| 599 |
|
|
my $object = shift; |
| 600 |
|
|
#print Dumper($object); |
| 601 |
|
|
$self->{_COREHANDLE}->unload($object); |
| 602 |
|
|
#undef($object); |
| 603 |
|
|
}; |
| 604 |
|
|
} |
| 605 |
|
|
=cut |
| 606 |
|
|
|
| 607 |
|
|
my $hash = object2hash($obj, $options); |
| 608 |
|
|
#$options->{cb}->{destroy}->($obj); |
| 609 |
|
|
#$self->{_COREHANDLE}->unload($obj); |
| 610 |
|
|
|
| 611 |
|
|
# convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML |
| 612 |
|
|
# now done in object2hash |
| 613 |
|
|
#var2utf8($hash) if ($options->{utf8}); |
| 614 |
|
|
|
| 615 |
|
|
# old (wrong) attempts to get rid of used instances, if requested |
| 616 |
|
|
#$obj->clear_refs; |
| 617 |
|
|
#$self->{COREHANDLE}->unload($obj) if($options->{destroy}); |
| 618 |
|
|
#$obj->DESTROY; |
| 619 |
|
|
#undef($obj) if($options->{destroy}); |
| 620 |
|
|
|
| 621 |
|
|
return $hash; |
| 622 |
joko |
1.12 |
} |
| 623 |
|
|
|
| 624 |
|
|
sub getSchema { |
| 625 |
|
|
return $schema_tangram; |
| 626 |
joko |
1.13 |
} |
| 627 |
|
|
|
| 628 |
|
|
sub getCOREHANDLE { |
| 629 |
|
|
my $self = shift; |
| 630 |
|
|
return $self->{_COREHANDLE}; |
| 631 |
cvsjoko |
1.1 |
} |
| 632 |
|
|
|
| 633 |
|
|
1; |
Parent Directory
| 
Revision Log
