/[cvs]/nfo/perl/libs/Data/Storage/Handler/Abstract.pm
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revision 1.12 by joko, Thu Jan 30 21:46:32 2003 UTC revision 1.19 by joko, Wed Jun 25 22:53:58 2003 UTC
# Line 2  Line 2 
2  ##    $Id$  ##    $Id$
3  ##    ------------------------------------------------------------------------  ##    ------------------------------------------------------------------------
4  ##    $Log$  ##    $Log$
5    ##    Revision 1.19  2003/06/25 22:53:58  joko
6    ##    don't disconnect automagically
7    ##
8    ##    Revision 1.18  2003/06/06 03:40:57  joko
9    ##    disabled autovivifying of arguments as attributes
10    ##
11    ##    Revision 1.17  2003/05/13 07:58:49  joko
12    ##    fix: die if methodname is empty
13    ##    fixes to log-string
14    ##
15    ##    Revision 1.16  2003/04/18 16:07:53  joko
16    ##    just use logger if instantiation successed
17    ##
18    ##    Revision 1.15  2003/02/20 20:19:13  joko
19    ##    tried to get auto-disconnect working again - failed with that
20    ##
21    ##    Revision 1.14  2003/02/09 05:12:28  joko
22    ##    + quoting of strings used in sql-queries!
23    ##
24    ##    Revision 1.13  2003/01/30 22:27:05  joko
25    ##    + added new abstract methods
26    ##
27  ##    Revision 1.12  2003/01/30 21:46:32  joko  ##    Revision 1.12  2003/01/30 21:46:32  joko
28  ##    + fixed behaviour of AUTOLOAD-method  ##    + fixed behaviour of AUTOLOAD-method
29  ##  ##
# Line 55  use base qw( DesignPattern::Object ); Line 77  use base qw( DesignPattern::Object );
77  use Data::Dumper;  use Data::Dumper;
78  use Tie::SecureHash;  use Tie::SecureHash;
79  #use Data::Storage::Handler;  #use Data::Storage::Handler;
80  use Data::Transform::Deep qw( merge );  use Hash::Merge qw( merge );
81    
82    #use Log::Dispatch::Config;
83    #Log::Dispatch::Config->configure();
84    
85  # get logger instance  # get logger instance
86  my $logger = Log::Dispatch::Config->instance;  my $logger;
87    eval('$logger = Log::Dispatch::Config->instance;');
88    
89  #our $lock_info;  #our $lock_info;
90    
# Line 68  sub new { Line 93  sub new {
93    my $class = ref($invocant) || $invocant;    my $class = ref($invocant) || $invocant;
94        
95    # logging info about the actual handler called    # logging info about the actual handler called
96      $logger->debug( "$invocant->new( @_ )" );      $logger->debug( "$invocant->new( @_ )" ) if $logger;
97      #$logger->debug( __PACKAGE__ . "->" . "new()" );      #$logger->debug( __PACKAGE__ . "->" . "new()" );
98    
99    # V1 - arguments become properties automagically / normal perl mode blessing    # V1 - arguments become properties automagically / normal perl mode blessing
# Line 135  sub new { Line 160  sub new {
160    # handle meta data    # handle meta data
161      #my $metainfo = $self->getMetaInfo($class);      #my $metainfo = $self->getMetaInfo($class);
162      my $metainfo = $self->getMetaInfo();      my $metainfo = $self->getMetaInfo();
163      if (!$metainfo->{disconnectMethod}) { $metainfo->{disconnectMethod} = 'disconnect'; }      #if (!$metainfo->{disconnectMethod}) { $metainfo->{disconnectMethod} = 'disconnect'; }
164      # type?      # type?
165      $invocant =~ s/Data::Storage::Handler:://;      $invocant =~ s/Data::Storage::Handler:://;
166      $metainfo->{type} = $invocant;      $metainfo->{type} = $invocant;
# Line 225  sub AUTOLOAD { Line 250  sub AUTOLOAD {
250    }    }
251  #=cut  #=cut
252    
253    =pod
254      if (!$methodname) {
255        die("Methodname is not defined!");
256        return;
257      }
258    =cut
259    
260  #print "$methodname - 3", "\n";  #print "$methodname - 3", "\n";
261    
262    # try to dispatch method-call to Storage::Handler::*    # try to dispatch method-call to Storage::Handler::*
# Line 253  sub AUTOLOAD { Line 285  sub AUTOLOAD {
285      #$lock_AUTOLOAD = 1 if ($methodname eq 'insert');      #$lock_AUTOLOAD = 1 if ($methodname eq 'insert');
286      if (!$self->{lock_info}->{log_lock}) {      if (!$self->{lock_info}->{log_lock}) {
287        #print "method: $methodname", "\n";        #print "method: $methodname", "\n";
288        $logger->debug( __PACKAGE__ . "[$self->{metainfo}->{type}]" . "->" . $methodname . "(@_)" );        my $type = $self->{metainfo}->{type};
289          $type ||= '';
290          # FIXME!
291          #$logger->debug( __PACKAGE__ . "[$type]" . "->" . $methodname . "(@_)" );
292          $logger->debug( __PACKAGE__ . "[$type]" . "->" . $methodname );
293      } else {      } else {
294        # AUTOLOAD - sub is locked to prevent deep recursions if (e.g.) db-inserts cause log-actions to same db itself        # AUTOLOAD - sub is locked to prevent deep recursions if (e.g.) db-inserts cause log-actions to same db itself
295      }      }
# Line 274  sub AUTOLOAD { Line 310  sub AUTOLOAD {
310    
311  sub DESTROY {  sub DESTROY {
312    my $self = shift;    my $self = shift;
313    #if ($self->{COREHANDLE}) {  
314    if ($self->exists('_COREHANDLE')) {  return;
315    
316      $logger->debug( __PACKAGE__ . "[$self->{metainfo}->{type}]" . "->DESTROY" );
317    
318      my $disconnectMethod = $self->{metainfo}->{disconnectMethod};
319      print "meth: ", $disconnectMethod, "\n";
320      
321      #$disconnectMethod && $self->{_COREHANDLE} && ( $self->{_COREHANDLE}->$disconnectMethod() );
322      $self->{_COREHANDLE}->$disconnectMethod();
323      #$self->$disconnectMethod();
324    
325      #my $core1 = $self->getCOREHANDLE() if $self->can('getCOREHANDLE');
326      #$core1->$disconnectMethod();
327    
328    return;
329    
330      print "DESTROY-1", "\n";
331      #if ($self->{__COREHANDLE}) {
332      #if ($self->exists('_COREHANDLE')) {
333    
334      # get corehandle instance from underlying handler
335      my $core;
336      $core = $self->getCOREHANDLE() if $self->can('getCOREHANDLE');
337    
338      #if ($self->{STORAGEHANDLE}) {
339      if ($core) {
340        print "DESTROY-2", "\n";
341      $logger->debug( __PACKAGE__ . "[$self->{metainfo}->{type}]" . "->DESTROY" );      $logger->debug( __PACKAGE__ . "[$self->{metainfo}->{type}]" . "->DESTROY" );
342    
343      my $disconnectMethod = $self->{metainfo}->{disconnectMethod};      my $disconnectMethod = $self->{metainfo}->{disconnectMethod};
# Line 302  sub _typeCheck2 { Line 364  sub _typeCheck2 {
364    sub existsChildNode {    sub existsChildNode {
365      my $self = shift;      my $self = shift;
366      my $nodename = shift;      my $nodename = shift;
367      #$nodename = 'TransactionRoutingTable';  
368      $logger->debug( __PACKAGE__ . "->existsChildNode( nodename $nodename )" );      # TODO: don't use $self->{meta}->{childnodes} directly in here
369        # get it returned from $self->getChildNodes()!!!
370    
371        $logger->debug( __PACKAGE__ . "->existsChildNode( nodename=$nodename )" );
372      $self->getChildNodes() unless $self->{meta}->{childnodes};      $self->getChildNodes() unless $self->{meta}->{childnodes};
373      my $result = grep(m/$nodename/i, @{$self->{meta}->{childnodes}});     # TODO: use "/i" only on win32-systems!  
374        # quote this, it might contain meta characters which don't work in a regex
375          $nodename = quotemeta($nodename);
376    
377        # trace
378          #print Dumper($self->{meta});
379          #print "nodename: $nodename", "\n";
380        
381        # FIXME: use "/i" only on win32-systems!
382        my $result = grep(m/$nodename/i, @{$self->{meta}->{childnodes}});
383        
384      return $result;      return $result;
385    }    }
386    
# Line 426  sub _typeCheck2 { Line 501  sub _typeCheck2 {
501      return;      return;
502    }    }
503    
504      sub getDbName {
505        my $self = shift;
506        $self->_abstract_function('getDbName');
507        return;
508      }
509    
510      sub testAvailability {
511        my $self = shift;
512        $self->_abstract_function('testAvailability');
513        return;
514      }
515    
516      sub isConnected {
517        my $self = shift;
518        $self->_abstract_function('isConnected');
519        return;
520      }
521    
522      sub testDsn {
523        my $self = shift;
524        $self->_abstract_function('testDsn');
525        return;
526      }
527    
528  1;  1;
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