/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Generic.php
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revision 1.18 by joko, Fri Apr 11 00:55:49 2003 UTC revision 1.27 by joko, Tue Jun 15 12:50:48 2004 UTC
# Line 9  Line 9 
9   */   */
10    
11  /**  /**
12   * <b>Cvs-Log:</b>   * Cvs-Log:
13   *   *
  * <pre>  
14   * $Id$   * $Id$
15   *   *
16   * $Log$   * $Log$
17     * Revision 1.27  2004/06/15 12:50:48  joko
18     * disabled caching in "datasource_handler_call"
19     *
20     * Revision 1.26  2003/12/14 01:53:42  jonen
21     * implemented 'SELECT' mode for selecting existing object-refereneces as child-nodes
22     *
23     * Revision 1.25  2003/11/17 18:01:03  jonen
24     * bugfix: php cannot use perl-syntax!! ;-)
25     *
26     * Revision 1.23  2003/07/14 10:02:32  jonen
27     * removed debug dumper
28     *
29     * Revision 1.22  2003/06/06 04:25:45  joko
30     * fix: query args get encapsulated once more
31     *
32     * Revision 1.21  2003/05/10 18:14:50  jonen
33     * + implements 'create' of item (query mapping part)
34     *
35     * Revision 1.20  2003/04/19 16:07:15  jonen
36     * + added '_query[list_meta]' at 'queryData' needed for meta query args
37     *    (e.g. at UserManagment)
38     *
39     * Revision 1.19  2003/04/18 15:40:51  joko
40     * NEW: tree data handling
41     *   introduced new adapter: DataSource::Adapter::Free
42     *   enhanced datasource_handler_buildoptions: now handles a) case 'tree'  b) _query[filter]
43     *
44   * Revision 1.18  2003/04/11 00:55:49  joko   * Revision 1.18  2003/04/11 00:55:49  joko
45   * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'   * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'
46   *   *
# Line 97  Line 123 
123   *   *
124   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
125   * + initial commit   * + initial commit
  * </pre>  
126   *   *
127   */   */
128    
# Line 493  class DataSource_Generic extends DesignP Line 518  class DataSource_Generic extends DesignP
518          // ... resolves this._modules.adapter._id to this._modules.adapter._module          // ... resolves this._modules.adapter._id to this._modules.adapter._module
519                    
520          switch ($locator->_adapter_type) {          switch ($locator->_adapter_type) {
521    
522            case 'phpHtmlLib':            case 'phpHtmlLib':
523              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
   
524              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
525                            
526              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
527              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
528              // Exporter::export_symbol(from, to)              // Exporter::export_symbol(from, to)
529              $this->set_adapter_options($this);              $this->set_adapter_options($this);
530                break;
531    
532              // NEW [2003-04-17]: Freedom for the adapter!
533              // phpHtmlLib didn't have a tree widget, but PEAR does.
534              // So: Free us from the phpHtmlLib-adapter in this case.
535              case 'free':
536                $this->set_adapter_module('DataSource::Adapter::Free');
537                $this->set_adapter_options($this);
538              break;              break;
539    
540            default:            default:
541              user_error("DataSource::Generic: no Adapter could be selected!");              user_error("DataSource::Generic: no Adapter could be selected: \$locator->_adapter_type='$locator->_adapter_type'");
542              break;              break;
543          }          }
544    
# Line 669  class DataSource_Generic extends DesignP Line 701  class DataSource_Generic extends DesignP
701                
702                
703        //$this->set_component_name( $proxy_name );        //$this->set_component_name( $proxy_name );
704        $this->set_component_options( $cache_key, array( key => 1, command => $command, query => $query, remote => 1, rpcinfo => $rpcinfo, cache => array( db => 0, session => 1 ) ) );        $this->set_component_options( $cache_key, array( key => 1, command => $command, query => $query, remote => 1, rpcinfo => $rpcinfo, cache => array( db => 0, session => 0 ) ) );
705        //print Dumper($this);        //print Dumper($this);
706        //exit;        //exit;
707                
# Line 718  class DataSource_Generic extends DesignP Line 750  class DataSource_Generic extends DesignP
750              }              }
751   */   */
752              $query_args = array();              $query_args = array();
753                
754                 $msg_prefix = "DataSource::Generic::datasource_handler_buildoptions failed: ";
755               switch ($this->_query[abstract_type]) {               switch ($this->_query[abstract_type]) {
756                  case 'item':
757                    if (!$this->_query[nodename] && $this->_query[action] != 'create') {
758                      $msg = "_query[vartype] == 'objects' requires _query[nodename]";
759                      user_error($msg_prefix . $msg);
760                    } elseif($this->_query[action] == 'create' && $this->_query[parent]) {
761                      if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
762                      if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
763                      $query_args[nodename] = $this->_query[ident];
764                      $query_args[parent][guid] = $this->_query[parent][guid];
765                      $query_args[parent][nodename] = $this->_query[parent][nodename];
766                    } elseif($this->_query[parent]) {
767                      $query_args[guid] = $this->_query[ident];
768                      $query_args[nodename] = $this->_query[nodename];
769                      $query_args[parent][guid] = $this->_query[parent][guid];
770                      $query_args[parent][nodename] = $this->_query[parent][nodename];
771                    } else {
772                      $query_args[guid] = $this->_query[ident];
773                      $query_args[nodename] = $this->_query[nodename];
774                      // 2003-11-17 NEW: use expand flag for real obj expand at backend
775                      if ($this->_query[expand]) {$query_args[expand] = 1; }
776                    }
777                    //print "generic_source->debug: args " . Dumper($query_args) . "<br>";
778                    break;
779                case 'list':                case 'list':
780                  if (!$this->_query[nodename]) {                  if (!$this->_query[nodename]) {
781                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
782                    user_error("DataSource::Generic: query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
783                    } elseif($this->_query[parent]) {
784                      //if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
785                      //if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
786                      //$query_args[nodename] = $this->_query[ident];
787                      $query_args[parent][guid] = $this->_query[parent][guid];
788                      $query_args[parent][nodename] = $this->_query[parent][nodename];
789                  }                  }
790                  //array_push($query_args, $this->_query[nodename]);                  //array_push($query_args, $this->_query[nodename]);
791                  $query_args[nodename] = $this->_query[nodename];                  $query_args[nodename] = $this->_query[nodename];
792                    if($this->_query[list_meta]) { $query_args[list_meta] = $this->_query[list_meta]; }
793                  break;                  break;
794                case 'item':                case 'tree':
795                    /*
796                  if (!$this->_query[nodename]) {                  if (!$this->_query[nodename]) {
797                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
798                    user_error("DataSource::Generic: query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
799                  }                  }
800                    */
801                  $query_args[guid] = $this->_query[ident];                  $query_args[guid] = $this->_query[ident];
802                  $query_args[nodename] = $this->_query[nodename];                  //$query_args[nodename] = $this->_query[nodename];
803                  break;                                break;
804                  default:
805                    $msg = "\$this->_query[abstract_type] could not be dispatched as 'item', 'list' or 'tree'.";
806                    user_error($msg_prefix . $msg);
807                    break;
808                }
809                
810                // filter???
811                //print "Filter: " . Dumper($this->_query[filter]) . "<br>";
812                if ($this->_query[filter]) {
813                  $query_args[filter] = $this->_query[filter];
814              }              }
815                            
816              // dispatch action              // dispatch action
817                //print "Action: " . $this->_query[action] . "<br>";
818              if ($this->_query[action] == 'write') {              if ($this->_query[action] == 'write') {
819               $query_args[action] = $this->_query[action];               $query_args[action] = $this->_query[action];
820               $query_args[data] = $this->_query[data];               $query_args[data] = $this->_query[data];
821              } elseif ($this->_query[action] == 'delete') {              } elseif ($this->_query[action] == 'delete') {
822               $query_args[action] = $this->_query[action];               $query_args[action] = $this->_query[action];
823                } elseif ($this->_query[action] == 'create') {
824                   $query_args[action] = $this->_query[action];
825                } elseif ($this->_query[action] == 'select') {
826                   $query_args[action] = $this->_query[action];
827              }              }
828                
829              $args = array(              $args = array(
830                            'data_type' => $this->_query[abstract_type],                            'data_type' => $this->_query[abstract_type],
831                            'query_args' => $query_args                            'query_args' => $query_args
# Line 760  class DataSource_Generic extends DesignP Line 842  class DataSource_Generic extends DesignP
842            // remoteMethod            // remoteMethod
843            case 'method':            case 'method':
844              $command = $this->_query[method];              $command = $this->_query[method];
845              $args = $this->_query[args];              //$args = $this->_query[args];
846                // FIX
847                $args = array( $this->_query[args] );
848              break;              break;
849    
850          }          }
# Line 769  class DataSource_Generic extends DesignP Line 853  class DataSource_Generic extends DesignP
853          // FIXME: bad behaviour?          // FIXME: bad behaviour?
854          if (!is_array($args)) { $args = array( $args ); }          if (!is_array($args)) { $args = array( $args ); }
855                    
856            //print Dumper($args);
857            
858          /*          /*
859          $this->_query[rpc_command] = $command;          $this->_query[rpc_command] = $command;
860          $this->_query[rpc_args] = $command;          $this->_query[rpc_args] = $command;
# Line 803  class DataSource_Generic extends DesignP Line 889  class DataSource_Generic extends DesignP
889    
890    
891          function &fetch_result() {          function &fetch_result() {
892    
893          //print Dumper($this);
894                
895        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
896    
897        $call = $this->_locator->get_call();        $call = $this->_locator->get_call();
898    
899        //print Dumper($call);        //print Dumper($call);
900          //return;
901    
902        // pre-flight checks        // pre-flight checks
903          if (!$call[method]) {          if (!$call[method]) {
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