/** * Instantiate a AttributeValue from a Database Row. * Takes in an optional strAliasPrefix, used in case another Object::InstantiateDbRow * is calling this AttributeValue::InstantiateDbRow in order to perform * early binding on referenced objects. * @param QDatabaseRowBase $objDbRow * @param string $strAliasPrefix * @param string $strExpandAsArrayNodes * @param QBaseClass $objPreviousItem * @param string[] $strColumnAliasArray * @return AttributeValue */ public static function InstantiateDbRow($objDbRow, $strAliasPrefix = null, $strExpandAsArrayNodes = null, $objPreviousItem = null, $strColumnAliasArray = array()) { // If blank row, return null if (!$objDbRow) { return null; } // See if we're doing an array expansion on the previous item $strAlias = $strAliasPrefix . 'id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if ($strExpandAsArrayNodes && $objPreviousItem && $objPreviousItem->intId == $objDbRow->GetColumn($strAliasName, 'Integer')) { // We are. Now, prepare to check for ExpandAsArray clauses $blnExpandedViaArray = false; if (!$strAliasPrefix) { $strAliasPrefix = 'attribute_value__'; } $strAlias = $strAliasPrefix . 'attributeoptionasmultiple__attribute_option_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (array_key_exists($strAlias, $strExpandAsArrayNodes) && !is_null($objDbRow->GetColumn($strAliasName))) { if ($intPreviousChildItemCount = count($objPreviousItem->_objAttributeOptionAsMultipleArray)) { $objPreviousChildItem = $objPreviousItem->_objAttributeOptionAsMultipleArray[$intPreviousChildItemCount - 1]; $objChildItem = AttributeOption::InstantiateDbRow($objDbRow, $strAliasPrefix . 'attributeoptionasmultiple__attribute_option_id__', $strExpandAsArrayNodes, $objPreviousChildItem, $strColumnAliasArray); if ($objChildItem) { $objPreviousItem->_objAttributeOptionAsMultipleArray[] = $objChildItem; } } else { $objPreviousItem->_objAttributeOptionAsMultipleArray[] = AttributeOption::InstantiateDbRow($objDbRow, $strAliasPrefix . 'attributeoptionasmultiple__attribute_option_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } $blnExpandedViaArray = true; } // Either return false to signal array expansion, or check-to-reset the Alias prefix and move on if ($blnExpandedViaArray) { return false; } else { if ($strAliasPrefix == 'attribute_value__') { $strAliasPrefix = null; } } } // Create a new instance of the AttributeValue object $objToReturn = new AttributeValue(); $objToReturn->__blnRestored = true; $strAliasName = array_key_exists($strAliasPrefix . 'id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'id'] : $strAliasPrefix . 'id'; $objToReturn->intId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'attribute_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'attribute_id'] : $strAliasPrefix . 'attribute_id'; $objToReturn->intAttributeId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'person_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'person_id'] : $strAliasPrefix . 'person_id'; $objToReturn->intPersonId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'date_value', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'date_value'] : $strAliasPrefix . 'date_value'; $objToReturn->dttDateValue = $objDbRow->GetColumn($strAliasName, 'Date'); $strAliasName = array_key_exists($strAliasPrefix . 'datetime_value', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'datetime_value'] : $strAliasPrefix . 'datetime_value'; $objToReturn->dttDatetimeValue = $objDbRow->GetColumn($strAliasName, 'DateTime'); $strAliasName = array_key_exists($strAliasPrefix . 'text_value', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'text_value'] : $strAliasPrefix . 'text_value'; $objToReturn->strTextValue = $objDbRow->GetColumn($strAliasName, 'Blob'); $strAliasName = array_key_exists($strAliasPrefix . 'boolean_value', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'boolean_value'] : $strAliasPrefix . 'boolean_value'; $objToReturn->blnBooleanValue = $objDbRow->GetColumn($strAliasName, 'Bit'); $strAliasName = array_key_exists($strAliasPrefix . 'single_attribute_option_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'single_attribute_option_id'] : $strAliasPrefix . 'single_attribute_option_id'; $objToReturn->intSingleAttributeOptionId = $objDbRow->GetColumn($strAliasName, 'Integer'); // Instantiate Virtual Attributes foreach ($objDbRow->GetColumnNameArray() as $strColumnName => $mixValue) { $strVirtualPrefix = $strAliasPrefix . '__'; $strVirtualPrefixLength = strlen($strVirtualPrefix); if (substr($strColumnName, 0, $strVirtualPrefixLength) == $strVirtualPrefix) { $objToReturn->__strVirtualAttributeArray[substr($strColumnName, $strVirtualPrefixLength)] = $mixValue; } } // Prepare to Check for Early/Virtual Binding if (!$strAliasPrefix) { $strAliasPrefix = 'attribute_value__'; } // Check for Attribute Early Binding $strAlias = $strAliasPrefix . 'attribute_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objAttribute = Attribute::InstantiateDbRow($objDbRow, $strAliasPrefix . 'attribute_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for Person Early Binding $strAlias = $strAliasPrefix . 'person_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objPerson = Person::InstantiateDbRow($objDbRow, $strAliasPrefix . 'person_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for SingleAttributeOption Early Binding $strAlias = $strAliasPrefix . 'single_attribute_option_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objSingleAttributeOption = AttributeOption::InstantiateDbRow($objDbRow, $strAliasPrefix . 'single_attribute_option_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for AttributeOptionAsMultiple Virtual Binding $strAlias = $strAliasPrefix . 'attributeoptionasmultiple__attribute_option_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { if ($strExpandAsArrayNodes && array_key_exists($strAlias, $strExpandAsArrayNodes)) { $objToReturn->_objAttributeOptionAsMultipleArray[] = AttributeOption::InstantiateDbRow($objDbRow, $strAliasPrefix . 'attributeoptionasmultiple__attribute_option_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } else { $objToReturn->_objAttributeOptionAsMultiple = AttributeOption::InstantiateDbRow($objDbRow, $strAliasPrefix . 'attributeoptionasmultiple__attribute_option_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } } return $objToReturn; }
/** * Instantiate a single Attribute object from a query cursor (e.g. a DB ResultSet). * Cursor is automatically moved to the "next row" of the result set. * Will return NULL if no cursor or if the cursor has no more rows in the resultset. * @param QDatabaseResultBase $objDbResult cursor resource * @return Attribute next row resulting from the query */ public static function InstantiateCursor(QDatabaseResultBase $objDbResult) { // If blank resultset, then return empty result if (!$objDbResult) { return null; } // If empty resultset, then return empty result $objDbRow = $objDbResult->GetNextRow(); if (!$objDbRow) { return null; } // We need the Column Aliases $strColumnAliasArray = $objDbResult->QueryBuilder->ColumnAliasArray; if (!$strColumnAliasArray) { $strColumnAliasArray = array(); } // Pull Expansions (if applicable) $strExpandAsArrayNodes = $objDbResult->QueryBuilder->ExpandAsArrayNodes; // Load up the return result with a row and return it return Attribute::InstantiateDbRow($objDbRow, null, $strExpandAsArrayNodes, null, $strColumnAliasArray); }