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cvsjoko |
1.1 |
<? |
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// ============================================================== |
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class DSAbstractObject { |
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// the type of this object |
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var $type; |
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// the name of the object-key |
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var $objectkey_name; |
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// the (virtual) attributes |
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var $attributes; |
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// references to other/new objects |
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// a reference to a "DSSession"-object which will be passed in "from outside" by the "DSEngine" |
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var $ref_session; |
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// a "DataQuery"-object instantiated in the constructor later |
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var $ref_dataquery; |
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// a reference to a "PDLModelObject"-object, which will be initialized in the constructor from "$ref_session" |
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var $ref_pdlModelObject; |
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// a reference to a list (array) of "PDLModelObject"-attributes ("PDLModelObjectAttribute"s) |
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var $ref_pdlModelObjectAttributes; |
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// miscellanious other variables |
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// some state-information |
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var $bool_unbound; // no binding to database yet |
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var $bool_created; // created for being a new object |
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var $pdlEventName; |
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var $pdlEventName_CurrentObjectOperation; |
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// metainfo about this object |
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//var $metainfo; |
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// --------------------------------------------------------------------------------------- |
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function DSAbstractObject($type, $eventIdentifier, &$ref_session) { |
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// initialize most important information for an object :-) |
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$this->type = $type; |
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$this->ref_session =& $ref_session; |
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$this->ref_pdlModelObject =& $this->ref_session->pdlengine->getPDLModelObject($type); |
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$this->ref_pdlModelObjectAttributes =& $this->ref_pdlModelObject->attributes; |
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$this->objectkey_name = $this->ref_pdlModelObject->objectkey; |
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$this->_initAttributes(); |
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// initialize object-state (-> "this is a new object") |
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$this->bool_unbound = 1; |
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$this->bool_created = 1; |
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$this->pdlEventName = 'retrieve ' . $eventIdentifier; |
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$this->pdlEventName_CurrentObjectOperation = ''; |
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// create a new "DataQuery"-object and store reference |
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$this->ref_dataquery =& new DataQuery(); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _initAttributes() { |
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$attribute_names = array_keys($this->ref_pdlModelObjectAttributes); |
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$this->attributes = createHash($attribute_names); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _initializeObjectOperation($eventname) { |
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// set class-variables |
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$this->pdlEventName_CurrentObjectOperation = $eventname; |
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// get pdl for current event from "PDLModelObject" |
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if (!isset($this->ref_pdlModelObject->events[$eventname])) { |
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trigger_error("DSDataObject->load(): Could not find PDLModelEvent \"$eventname\" for object-type \"$this->type\"", E_USER_ERROR); |
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} |
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$unreadySql = $this->ref_pdlModelObject->events[$eventname]->get_unreadySql(); |
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// initialize "DataQuery"s map-part with mapping-informations |
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$this->ref_dataquery->setMap($this->ref_pdlModelObjectAttributes); |
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// initialize "DataQuery"s sql-part with the "unready" sql-statement |
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$this->ref_dataquery->setQuery($unreadySql); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _load_startup() { |
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// if this object is already bound, we will skip loading it again |
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// TODO: if not "bool_dirty" |
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if (!$this->bool_unbound) { return; } |
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// set object-state |
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$this->bool_unbound = 0; |
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$this->bool_created = 0; |
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$this->_initializeObjectOperation($this->pdlEventName); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _save_startup() { |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// determine pdl-event |
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$eventname = ''; |
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// actual insert |
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if ($this->bool_unbound && $this->bool_created) { |
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$eventname = 'add'; |
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} |
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// actual update |
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if (!$this->bool_unbound && !$this->bool_created) { |
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$eventname = 'update'; |
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} |
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// if this object is already bound, we will skip loading it again |
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// TODO: if not "bool_dirty" |
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//if (!$this->bool_unbound) { return; } |
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// set object-state |
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//$this->bool_unbound = 0; |
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//$this->bool_created = 0; |
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$this->_initializeObjectOperation($eventname); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _delete_startup() { |
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$eventname = 'remove'; |
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$this->_initializeObjectOperation($eventname); |
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} |
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// --------------------------------------------------------------------------------------- |
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// declares this object as "unbound" (not loaded) |
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function reset() { |
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$this->bool_unbound = 1; |
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} |
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} |
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// ============================================================== |
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class DSDataObject extends DSAbstractObject { |
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// --------------------------------------------------------------------------------------- |
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function DSDataObject($type, &$ref_session) { |
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// debugging |
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slog("DSDataObject: new DSDataObject($type)"); |
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parent::DSAbstractObject($type, 'single', &$ref_session); |
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} |
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// --------------------------------------------------------------------------------------- |
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function load() { |
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$this->_load_startup(); |
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// validate attributes to assure a good object-operation |
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if (!$this->_validateAttributesForObjectOperation('load')) { |
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print "<font color=\"red\">DSDataObject->_validateAttributesForObjectOperation('load') for \"{$this->type}\" failed.</font><br>"; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// add criteria-information to the "DataQuery" to limit the result to this single object/entry |
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// HACK!!! move this functionality (':') to "...->addCriteria?) |
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$this->ref_dataquery->addCriteria(':' . $this->objectkey_name . ' = ' . $this->getObjectKey()); |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// retrieve data |
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// execute the "DataQuery" |
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$this->ref_dataquery->query(); |
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// get next (first) item of result(s) |
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if ($this->ref_dataquery->next()) { |
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// initialize attributes with loaded values |
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$attributes_loaded =& $this->ref_dataquery->getResult(); |
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// fill ourself with attributes |
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$this->fill($attributes_loaded); |
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return 1; |
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} |
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} |
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// --------------------------------------------------------------------------------------- |
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function save() { |
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$this->_save_startup(); |
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// catch all vars to save this object |
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$this->save_catchAllVars(); |
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// validate attributes to assure a good object-operation |
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if (!$this->_validateAttributesForObjectOperation('save')) { |
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print "<font color=\"red\">DSDataObject->_validateAttributesForObjectOperation('save') for \"{$this->type}\" failed.</font><br>"; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// add criteria-information to the "DataQuery" to limit the result to this single object/entry |
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// HACK!!! move this functionality (':') to "...->addCriteria?) |
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//$this->ref_dataquery->addCriteria(':' . $this->objectkey_name . ' = ' . $objectkey); |
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//print $this->ref_dataquery->getSql() . "<br>"; |
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//print "save<br>"; |
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//exit; |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// save data |
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// execute the "DataQuery" |
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$this->ref_dataquery->setData($this->attributes); |
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$this->ref_dataquery->query(); |
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// TODO: review this mechanism! |
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// patch object-key if this was a create-operation, because new object-keys are provided by the underlying rdbms here |
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if ($this->pdlEventName_CurrentObjectOperation == 'add') { |
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$this->setObjectKey($this->ref_dataquery->lastInsertId); |
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} |
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} |
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function save_catchAllVars() { |
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global $HTTP_GET_VARS; |
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while(list($key, $value) = each($this->attributes)) { |
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if (isset($HTTP_GET_VARS[$key])) { |
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$this->attributes[$key] = $HTTP_GET_VARS[$key]; |
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} |
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} |
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} |
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// --------------------------------------------------------------------------------------- |
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function delete() { |
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$this->_delete_startup(); |
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$this->ref_dataquery->query(); |
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/* |
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$eventname = 'remove'; |
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if (!isset($this->pdlModelObject->events[$eventname])) { |
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trigger_error("could not find PDLModelObjectEvent \"$eventname\"", E_USER_ERROR); |
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} |
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$almost_sql = $this->pdlModelObject->events[$eventname]->getEventPdl(); |
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$almost_sql .= ';'; |
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$almost_sql = str_replace(':' . $this->getID_name(), "'" . $this->getID() . "'", $almost_sql); |
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$sql = $almost_sql; |
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if ($sql) { |
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$this->dataquery->setSQL($sql); |
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$this->dataquery->query(); |
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} |
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*/ |
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} |
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// --------------------------------------------------------------------------------------- |
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function fill($attributes_new) { |
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// save all attribute-names in case the new ones are incomplete |
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$attribute_names = array_keys($this->attributes); |
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// overwrite original attributes with new ones |
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$this->attributes = array_merge(createHash($attribute_names), $attributes_new); |
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// set object-state |
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switch($this->getObjectKey()) { |
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case '<undefined>': |
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break; |
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case '<new>': |
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break; |
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case '': |
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break; |
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// yeah, the object-key is set to a valid value, so we declare this object as "bound" |
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default: |
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$this->bool_unbound = 0; |
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break; |
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} |
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} |
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function setMetaInfo($metainfo) { |
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$this->metainfo = $metainfo; |
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} |
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function unbind() { |
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$this->unbound = 1; |
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} |
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// --------------------------------------------------------------------------------------- |
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function _validateAttributesForObjectOperation($operation_mode) { |
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/* |
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object-key-juggling, we must handle a few things: |
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- does this object has got object-keys or not? |
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- and if it has - are they valid and stuff? |
317 |
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*/ |
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switch($operation_mode) { |
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// - - - - - - - - - - - - |
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case 'load': |
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//if ($this->hasObjectKey()) { |
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$objectkey = $this->getObjectKey(); |
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// define here what shall happen if an object with key "<undefined>" gets a load-request |
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if ($objectkey == '<undefined>') { |
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print "<font color=\"red\">Could not load object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"undefined\".</font><br>"; |
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return; |
329 |
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} |
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// define here what shall happen if an object with key "<new>" gets a load-request |
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if ($objectkey == '<new>') { |
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print "<font color=\"red\">Could not load object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"new\".</font><br>"; |
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return; |
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} |
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//} |
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break; |
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// - - - - - - - - - - - - |
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case 'save': |
340 |
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if ($this->hasObjectKey()) { |
341 |
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$objectkey = $this->getObjectKey(); |
342 |
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// define here what shall happen if an object with key "<undefined>" gets a save-request |
343 |
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if ($objectkey == '<undefined>') { |
344 |
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print "<font color=\"red\">Could not save object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"undefined\".</font><br>"; |
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return; |
346 |
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} |
347 |
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// define here what shall happen if an object with key "<new>" gets a save-request |
348 |
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if ($objectkey == '<new>') { |
349 |
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//print "<font color=\"red\">Could not save object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"new\".</font><br>"; |
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//return; |
351 |
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// overwrite the value of the objectkey-attribute |
352 |
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$this->setObjectKey('null'); |
353 |
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} |
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} |
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356 |
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break; |
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358 |
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} |
359 |
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360 |
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return 1; |
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362 |
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} |
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// --------------------------------------------------------------------------------------- |
365 |
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function _checkAttributeAccess($attribute_name, $access_mode) { |
366 |
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367 |
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/* |
368 |
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remarks for attribute-access-checking: is the following mechanism okay? |
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- always (maybe first): check for attribute-existance |
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- read-mode: |
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- if the object is new (objectkey == '<new>'), return no value |
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- write-mode: |
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- if the object has no object-key: continue work |
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- if the object has got one or more object-key(s): |
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- if the object is bound: continue work |
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- if the object is not bound: check if all object-keys are set first before accessing other attributes |
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*/ |
378 |
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379 |
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if (!$this->_existsAttribute($attribute_name)) { |
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print "<font color=\"red\">Could not access attribute \"$attribute_name\" (operation: \"$access_mode\") in object \"{$this->type}\". Attribute does not exist.</font><br>"; |
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return 0; |
382 |
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} |
383 |
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384 |
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switch ($access_mode) { |
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// - - - - - - - - - - - - |
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case 'read': |
389 |
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// is this a new object? |
390 |
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if ( $this->getObjectKey() == '<new>' ) { |
391 |
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//return $this->_getAttribute($attribute_name); |
392 |
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return 0; |
393 |
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} |
394 |
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break; |
395 |
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// - - - - - - - - - - - - |
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case 'write': |
398 |
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// if this object is unbound, just allow access to the object-key(s) |
399 |
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// this is needed to load a single object in order to set the object-id for loading |
400 |
|
|
|
401 |
|
|
// check for object-key |
402 |
|
|
if ($this->objectkey_name) { |
403 |
|
|
if ($this->bool_unbound) { |
404 |
|
|
if ($attribute_name != $this->objectkey_name) { |
405 |
|
|
print "<font color=\"red\">Could not access attribute \"$attribute_name\" for setting in object-type \"{$this->type}\", because the object is unbound, not new, "; |
406 |
|
|
print "and \"$attribute_name\" is not the object-key.</font><br>"; |
407 |
|
|
return 0; |
408 |
|
|
} |
409 |
|
|
} |
410 |
|
|
} else { |
411 |
|
|
// object has got no object-key: continue work |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
break; |
415 |
|
|
} |
416 |
|
|
|
417 |
|
|
return 1; |
418 |
|
|
} |
419 |
|
|
|
420 |
|
|
// --------------------------------------------------------------------------------------- |
421 |
|
|
function get($attribute_name) { |
422 |
|
|
|
423 |
|
|
// debugging |
424 |
|
|
slog("DSDataObject: get($attribute_name)"); |
425 |
|
|
|
426 |
|
|
// attribute-access!? |
427 |
|
|
if (!$this->_checkAttributeAccess($attribute_name, 'read')) { return; } |
428 |
|
|
|
429 |
|
|
// is this object unbound? if yes, do an implicit load! |
430 |
|
|
if ($this->bool_unbound) { |
431 |
|
|
$this->load(); |
432 |
|
|
} |
433 |
|
|
|
434 |
|
|
// TODO: other DataCollections (for "Associations"-functionality) |
435 |
|
|
//$retval = ''; |
436 |
|
|
|
437 |
|
|
// HACK: this comparison doesn't ensure completely if an attribute-value is set or not ( imagine "0" (zero)!!! ) |
438 |
|
|
if ( $retval = $this->_getAttribute($attribute_name) ) { |
439 |
|
|
return $retval; |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
} |
443 |
|
|
|
444 |
|
|
// --------------------------------------------------------------------------------------- |
445 |
|
|
function set($attribute_name, $value) { |
446 |
|
|
|
447 |
|
|
// attribute-access!? |
448 |
|
|
if (!$this->_checkAttributeAccess($attribute_name, 'write')) { return; } |
449 |
|
|
|
450 |
|
|
slog("DSDataObject: set($attribute_name, $value)"); |
451 |
|
|
// TODO (MUST): other DataCollections |
452 |
|
|
|
453 |
|
|
if (isset($this->metainfo[$attribute_name])) { |
454 |
|
|
switch ($this->metainfo[$attribute_name]['type']) { |
455 |
|
|
case 'date': |
456 |
|
|
// modify date from english/american format to german one |
457 |
|
|
$value = join('-', array_reverse( split('.', $value) )); |
458 |
|
|
break; |
459 |
|
|
} |
460 |
|
|
} |
461 |
|
|
|
462 |
|
|
$this->_setAttribute($attribute_name, $value); |
463 |
|
|
} |
464 |
|
|
|
465 |
|
|
// --------------------------------------------------------------------------------------- |
466 |
|
|
function getAll_old() { |
467 |
|
|
slog("DSDataObject: getAll()"); |
468 |
|
|
return $this->attributes; |
469 |
|
|
} |
470 |
|
|
|
471 |
|
|
function setAll_old($attributes) { |
472 |
|
|
slog("DSDataObject: setAll($attributes)"); |
473 |
|
|
$this->attributes = $attributes; |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
|
477 |
|
|
// --------------------------------------------------------------------------------------- |
478 |
|
|
// returns the attribute-name of the object-key |
479 |
|
|
function getObjectKeyName() { |
480 |
|
|
// get name of key |
481 |
|
|
return $this->objectkey_name; |
482 |
|
|
} |
483 |
|
|
|
484 |
|
|
// --------------------------------------------------------------------------------------- |
485 |
|
|
// returns the attribute-value of the object-key |
486 |
|
|
function getObjectKey() { |
487 |
|
|
|
488 |
|
|
// get value of key |
489 |
|
|
$objectkey = $this->_getAttribute($this->objectkey_name); |
490 |
|
|
|
491 |
|
|
if ($objectkey) { |
492 |
|
|
return $objectkey; |
493 |
|
|
} else { |
494 |
|
|
// HACK: !? |
495 |
|
|
//return "<new>"; |
496 |
|
|
return "<undefined>"; |
497 |
|
|
} |
498 |
|
|
} |
499 |
|
|
|
500 |
|
|
// --------------------------------------------------------------------------------------- |
501 |
|
|
// sets the attribute-value of the object-key |
502 |
|
|
function setObjectKey($value) { |
503 |
|
|
// set value of key |
504 |
|
|
$this->_setAttribute($this->objectkey_name, $value); |
505 |
|
|
} |
506 |
|
|
|
507 |
|
|
// --------------------------------------------------------------------------------------- |
508 |
|
|
// has this object an object-key? |
509 |
|
|
function hasObjectKey() { |
510 |
|
|
if ($this->objectkey_name) { return 1; } |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
// --------------------------------------------------------------------------------------- |
514 |
|
|
function _getAttribute($attribute_name) { |
515 |
|
|
if (isset($this->attributes[$attribute_name])) { |
516 |
|
|
return $this->attributes[$attribute_name]; |
517 |
|
|
} |
518 |
|
|
} |
519 |
|
|
|
520 |
|
|
function _setAttribute($attribute_name, $value) { |
521 |
|
|
$this->attributes[$attribute_name] = $value; |
522 |
|
|
} |
523 |
|
|
|
524 |
|
|
function _existsAttribute($attribute_name) { |
525 |
|
|
return isset($this->attributes[$attribute_name]); |
526 |
|
|
} |
527 |
|
|
|
528 |
|
|
|
529 |
|
|
} |
530 |
|
|
|
531 |
|
|
|
532 |
|
|
|
533 |
|
|
|
534 |
|
|
|
535 |
|
|
// ============================================================== |
536 |
|
|
// implements a collection of "DSDataObject"s interacting with a DataQuery |
537 |
|
|
class DSDataCollection extends DSAbstractObject { |
538 |
|
|
|
539 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - |
540 |
|
|
// data which influences the result of this "DSDataCollection" |
541 |
|
|
|
542 |
|
|
// filters we applied to this DataCollection (a hash of "DSFilter"-objects) |
543 |
|
|
var $filters; |
544 |
|
|
// the default concatenator for appending the "filters" to a query with already existing criteria-information |
545 |
|
|
var $filterConcatenator; |
546 |
|
|
|
547 |
|
|
// sortorders we applied to this DataCollection (a hash of "DSSortOrder"-objects) |
548 |
|
|
var $sortorders; |
549 |
|
|
|
550 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - |
551 |
|
|
// miscellanious data |
552 |
|
|
|
553 |
|
|
// paging? |
554 |
|
|
var $page; |
555 |
|
|
|
556 |
|
|
// the number of results |
557 |
|
|
var $resultcount; |
558 |
|
|
|
559 |
|
|
// var $data; |
560 |
|
|
//var $metainfo; |
561 |
|
|
|
562 |
|
|
|
563 |
|
|
// --------------------------------------------------------------------------------------- |
564 |
|
|
function DSDataCollection($type, &$ref_session) { |
565 |
|
|
|
566 |
|
|
// call parent-constructor |
567 |
|
|
parent::DSAbstractObject($type, 'all', &$ref_session); |
568 |
|
|
|
569 |
|
|
// initialize class-variables |
570 |
|
|
$this->filters = array(); |
571 |
|
|
$this->filterConcatenator = 'AND'; |
572 |
|
|
$this->sortorders = array(); |
573 |
|
|
} |
574 |
|
|
|
575 |
|
|
|
576 |
|
|
// --------------------------------------------------------------------------------------- |
577 |
|
|
// creates a new "DSFilter"-object and adds reference to local "filters"-hash |
578 |
|
|
function &addFilter($filterstring, $logicalOperator = 'AND') { |
579 |
|
|
slog("DSDataCollection: &addFilter($filterstring)"); |
580 |
|
|
$r_filter = &new DSFilter($filterstring, $logicalOperator); |
581 |
|
|
$this->filters[] =& $r_filter; |
582 |
|
|
return $r_filter; |
583 |
|
|
} |
584 |
|
|
|
585 |
|
|
// --------------------------------------------------------------------------------------- |
586 |
|
|
// clears all filters from local "filters"-hash |
587 |
|
|
function clearFilters() { |
588 |
|
|
slog("DSDataCollection: clearFilters()"); |
589 |
|
|
$this->filters = array(); |
590 |
|
|
} |
591 |
|
|
|
592 |
|
|
|
593 |
|
|
// --------------------------------------------------------------------------------------- |
594 |
|
|
// creates a new "DSSortOrder"-object and adds reference to local "sortorders"-hash |
595 |
|
|
function &addSortOrder($column, $mode) { |
596 |
|
|
slog("DSDataCollection: &addSortOrder($column, $mode)"); |
597 |
|
|
$r_order =& new DSSortOrder($column, $mode); |
598 |
|
|
array_push($this->sortorders, &$r_order); |
599 |
|
|
return $r_order; |
600 |
|
|
} |
601 |
|
|
|
602 |
|
|
|
603 |
|
|
// --------------------------------------------------------------------------------------- |
604 |
|
|
// limits DataCollection to a certain "page" (for paging of results) |
605 |
|
|
function &setPage($pagenumber, $pagesize) { |
606 |
|
|
// debugging |
607 |
|
|
slog("DSDataCollection: &setPage($pagenumber, $pagesize)"); |
608 |
|
|
$this->page['number'] = $pagenumber; |
609 |
|
|
$this->page['size'] = $pagesize; |
610 |
|
|
} |
611 |
|
|
|
612 |
|
|
|
613 |
|
|
// --------------------------------------------------------------------------------------- |
614 |
|
|
// loads data into this "DSDataCollection" |
615 |
|
|
function load() { |
616 |
|
|
|
617 |
|
|
$this->_load_startup(); |
618 |
|
|
|
619 |
|
|
|
620 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
621 |
|
|
// 1. process filters |
622 |
|
|
// $this->filterConcatenator |
623 |
|
|
if (isset($this->filters) && count($this->filters)) { |
624 |
|
|
reset($this->filters); |
625 |
|
|
while($r_filter =& current($this->filters)) { |
626 |
|
|
if ($strFilter = $r_filter->getParsed()) { |
627 |
|
|
//$almost_sql_FilterPart .= $strParsed . $sql_concat; |
628 |
|
|
//$this->ref_dataquery->addCriteria(':' . $this->objectkey_name . ' = ' . $this->getObjectKey()); |
629 |
|
|
$this->ref_dataquery->addCriteria($strFilter, $r_filter->logicalOperator); |
630 |
|
|
} |
631 |
|
|
next($this->filters); |
632 |
|
|
} |
633 |
|
|
// clear all filters |
634 |
|
|
$this->filters = array(); |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
|
638 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
639 |
|
|
// 2. process orders |
640 |
|
|
if (isset($this->sortorders) && count($this->sortorders)) { |
641 |
|
|
reset($this->sortorders); |
642 |
|
|
while($r_order =& current($this->sortorders)) { |
643 |
|
|
$this->ref_dataquery->addOrder($r_order->getAttribute(), $r_order->getOrderAscDesc()); |
644 |
|
|
next($this->sortorders); |
645 |
|
|
} |
646 |
|
|
} |
647 |
|
|
|
648 |
|
|
|
649 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
650 |
|
|
// 3. limit? |
651 |
|
|
if ( isset($this->page['number']) && isset($this->page['size']) ) { |
652 |
|
|
$nr = $this->page['number']; |
653 |
|
|
$size = $this->page['size']; |
654 |
|
|
$offset = $nr * $size; |
655 |
|
|
//$almost_sql .= " LIMIT $offset, $size"; |
656 |
|
|
$strLimit = "$offset, $size"; |
657 |
|
|
$this->ref_dataquery->addLimit($strLimit); |
658 |
|
|
} |
659 |
|
|
|
660 |
|
|
|
661 |
|
|
// fetch data |
662 |
|
|
$this->ref_dataquery->query(); |
663 |
|
|
$this->resultcount = $this->ref_dataquery->getRowCount(); |
664 |
|
|
$this->ref_dataquery->retrieveMetaInfo(); |
665 |
|
|
//$this->metainfo = $this->dataquery->metainfo; |
666 |
|
|
|
667 |
|
|
} |
668 |
|
|
|
669 |
|
|
|
670 |
|
|
// --------------------------------------------------------------------------------------- |
671 |
|
|
// iterates to the next "DSDataObject" in the "DSDataCollection"-result and returns it |
672 |
|
|
function &next() { |
673 |
|
|
|
674 |
|
|
// debugging |
675 |
|
|
slog("DSDataCollection: &next()"); |
676 |
|
|
|
677 |
|
|
// do an implicit load if we are "unbound" |
678 |
|
|
if ($this->bool_unbound) { |
679 |
|
|
$this->load(); |
680 |
|
|
} |
681 |
|
|
|
682 |
|
|
// get next item from a "DataQuery"-result |
683 |
|
|
if ($this->ref_dataquery->next()) { |
684 |
|
|
$result = $this->ref_dataquery->getResult(); |
685 |
|
|
//$obj =& $this->session->Map2Obj($row, $this->pdlModelObject->getObjectType() ); |
686 |
|
|
//$obj =& $this->session->Map2Obj($row, $this->objecttype_full, $this->pdlEventName, $this->metainfo ); |
687 |
|
|
//$obj->setMetaInfo($this->metainfo); |
688 |
|
|
$obj =& $this->ref_session->getDataObject($this->type); |
689 |
|
|
$obj->fill($result); |
690 |
|
|
//$obj->attributes =& $result; |
691 |
|
|
//$obj->bool_unbound = 0; |
692 |
|
|
return $obj; |
693 |
|
|
} |
694 |
|
|
} |
695 |
|
|
|
696 |
|
|
|
697 |
|
|
// --------------------------------------------------------------------------------------- |
698 |
|
|
// returns the number of results |
699 |
|
|
function getResultCount() { |
700 |
|
|
return $this->resultcount; |
701 |
|
|
} |
702 |
|
|
|
703 |
|
|
} |
704 |
|
|
|
705 |
|
|
?> |