/[cvs]/nfo/perl/libs/Data/Storage/Handler/Tangram.pm
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revision 1.12 by joko, Wed Dec 4 11:34:49 2002 UTC revision 1.13 by joko, Thu Dec 5 07:59:04 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.13  2002/12/05 07:59:04  joko
7    #  + now using Tie::SecureHash as a base for the COREHANDLE
8    #  + former public COREHANDLE becomes private _COREHANDLE now
9    #  + sub getCOREHANDLE
10    #
11  #  Revision 1.12  2002/12/04 11:34:49  joko  #  Revision 1.12  2002/12/04 11:34:49  joko
12  #  - $schema_tangram doesn't have to be in class?  #  - $schema_tangram doesn't have to be in class?
13  #  #
# Line 62  package Data::Storage::Handler::Tangram; Line 67  package Data::Storage::Handler::Tangram;
67  use strict;  use strict;
68  use warnings;  use warnings;
69    
70    use base ("Data::Storage::Handler");
71  use base ("Data::Storage::Handler::Abstract");  use base ("Data::Storage::Handler::Abstract");
72    
73  use Tangram;  use Tangram;
# Line 124  sub connect { Line 130  sub connect {
130    
131      # create the main tangram storage object      # create the main tangram storage object
132      #$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn );      #$self->{COREHANDLE} = Tangram::Relational->connect( $schema, $dsn );
133      $self->{COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn );      $self->{_COREHANDLE} = Tangram::Relational->connect( $schema_tangram, $dsn );
134    
135    #print "connect", "\n";
136    #my $core = $self->{_COREHANDLE};
137    #print Dumper($core);
138        
139      # some attempts for configuring the wrapped underlying dbi.....      # some attempts for configuring the wrapped underlying dbi.....
140      #$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage();      #$self->{STORAGEHANDLE_UNDERLYING} = $self->getUnderlyingStorage();
# Line 230  sub _configureUnderlyingStorage { Line 240  sub _configureUnderlyingStorage {
240    foreach my $key (keys %{$self->{dbi}}) {    foreach my $key (keys %{$self->{dbi}}) {
241      my $val = $self->{dbi}->{$key};      my $val = $self->{dbi}->{$key};
242      print "entry: $key; $val", "\n";      print "entry: $key; $val", "\n";
243      $self->{COREHANDLE}->{db}->{$key} = $val;      $self->{_COREHANDLE}->{db}->{$key} = $val;
244    }    }
245    #print Dumper($self->{COREHANDLE}->{db});    #print Dumper($self->{COREHANDLE}->{db});
246  }  }
# Line 246  sub configureCOREHANDLE { Line 256  sub configureCOREHANDLE {
256    
257    # apply configured modifications    # apply configured modifications
258      if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) {      if (exists $self->{dbi}->{trace_level} && exists $self->{dbi}->{trace_file}) {
259        $self->{COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file});        $self->{_COREHANDLE}->{db}->trace($self->{dbi}->{trace_level}, $self->{dbi}->{trace_file});
260      }      }
261      if (exists $self->{dbi}->{RaiseError}) {      if (exists $self->{dbi}->{RaiseError}) {
262        $self->{COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError};        $self->{_COREHANDLE}->{db}->{RaiseError} = $self->{dbi}->{RaiseError};
263      }      }
264      if (exists $self->{dbi}->{PrintError}) {      if (exists $self->{dbi}->{PrintError}) {
265        $self->{COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError};        $self->{_COREHANDLE}->{db}->{PrintError} = $self->{dbi}->{PrintError};
266      }      }
267      if (exists $self->{dbi}->{HandleError}) {      if (exists $self->{dbi}->{HandleError}) {
268        $self->{COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError};        $self->{_COREHANDLE}->{db}->{HandleError} = $self->{dbi}->{HandleError};
269      }      }
270    
271  }  }
# Line 334  sub getListUnfiltered { Line 344  sub getListUnfiltered {
344    my @results;    my @results;
345    $logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" );    $logger->debug( __PACKAGE__ . "->getListUnfiltered( nodename => '" . $nodename . "' )" );
346    # get set of objects from odbms by object name    # get set of objects from odbms by object name
347    my $object_set = $self->{COREHANDLE}->remote($nodename);    my $object_set = $self->{_COREHANDLE}->remote($nodename);
348    @results = $self->{COREHANDLE}->select($object_set);    @results = $self->{_COREHANDLE}->select($object_set);
349    return \@results;    return \@results;
350  }  }
351    
# Line 380  sub getListFiltered { Line 390  sub getListFiltered {
390    my $tfilter = join(' & ', @tfilters);    my $tfilter = join(' & ', @tfilters);
391    
392    # get set of objects from odbms by object name    # get set of objects from odbms by object name
393    my $remote = $self->{COREHANDLE}->remote($nodename);    my $remote = $self->{_COREHANDLE}->remote($nodename);
394        
395    # was:    # was:
396    #@results = $self->{COREHANDLE}->select($object_set, $tfilter);    #@results = $self->{COREHANDLE}->select($object_set, $tfilter);
397    
398    # is:    # is:
399    # HACK: build eval-string (sorry) to get filtered list - please give advice here    # HACK: build eval-string (sorry) to get filtered list - please give advice here
400    my $evalstring = 'return $self->{COREHANDLE}->select($remote, ' . $tfilter . ');';    my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');';
401        
402    # get filtered list/set    # get filtered list/set
403    @results = eval($evalstring);    @results = eval($evalstring);
# Line 399  sub getListFiltered { Line 409  sub getListFiltered {
409  sub createCursor {  sub createCursor {
410    my $self = shift;    my $self = shift;
411    my $node = shift;    my $node = shift;
412    my $cmdHandle = $self->{COREHANDLE}->cursor($node);    my $cmdHandle = $self->{_COREHANDLE}->cursor($node);
413    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle );    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $cmdHandle );
414    return $result;    return $result;
415  }  }
# Line 434  sub sendQuery { Line 444  sub sendQuery {
444      my $ident = $query->{criterias}->[0]->{val};      my $ident = $query->{criterias}->[0]->{val};
445  #print "load obj", "\n";  #print "load obj", "\n";
446      #return $self->createSet() if $ident == 5;      #return $self->createSet() if $ident == 5;
447      my $object = $self->{COREHANDLE}->load($ident);      my $object = $self->{_COREHANDLE}->load($ident);
448  #print "get id", "\n";  #print "get id", "\n";
449      my $oid = $self->{COREHANDLE}->id($object);      my $oid = $self->{_COREHANDLE}->id($object);
450      return $self->createSet($object);      return $self->createSet($object);
451      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );
452    }    }
# Line 465  sub sendQuery { Line 475  sub sendQuery {
475  sub eraseAll {  sub eraseAll {
476    my $self = shift;    my $self = shift;
477    my $classname = shift;    my $classname = shift;
478    my $remote = $self->{COREHANDLE}->remote($classname);    my $remote = $self->{_COREHANDLE}->remote($classname);
479    my @objs = $self->{COREHANDLE}->select($remote);    my @objs = $self->{_COREHANDLE}->select($remote);
480    $self->{COREHANDLE}->erase(@objs);    $self->{_COREHANDLE}->erase(@objs);
481  }  }
482    
483  sub createDb {  sub createDb {
# Line 481  sub getObject { Line 491  sub getObject {
491    my $oid = shift;    my $oid = shift;
492    # TODO: review this    # TODO: review this
493    #if (!$self->{COREHANDLE}) { return; }    #if (!$self->{COREHANDLE}) { return; }
494    return $self->{COREHANDLE}->load($oid);    return $self->{_COREHANDLE}->load($oid);
495  }  }
496    
497  sub getObjectAsHash {  sub getObjectAsHash {
# Line 499  sub getSchema { Line 509  sub getSchema {
509    return $schema_tangram;    return $schema_tangram;
510  }  }
511    
512    sub getCOREHANDLE {
513      my $self = shift;
514      return $self->{_COREHANDLE};
515    }
516    
517  1;  1;
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