예제 #1
0
 function __construct(TableReferenceInstance $table)
 {
     $this->table = $table;
     $this->tableInfo = $table->Info();
     $structure = CreateTable::fromTable($table);
     $this->engine = $structure->engine;
     //Work out which fields are IDs
     if (isset($structure->indexes['PRIMARY'])) {
         $this->id = $structure->indexes['PRIMARY']->getKeys();
     }
     //Build mapping translation array
     $this->mappings = $this->getMappings($structure)->translationArray();
     //This is the auto increment field, if it exists
     foreach ($this->id as $col) {
         if ($structure[$col]->hasAttribute('AUTO_INCREMENT')) {
             //Store the auto increment field in ORM format
             $this->autoIncrement = $this->mappings[$col];
             $this->autoIncrementField = $col;
             //There can only be one AUTO_INCREMENT field per table (also it must be in the PKey)
             break;
         }
     }
     //build relation array
     if ($this->engine == 'innodb') {
         foreach ($structure->relations as $r) {
             $reference = $r->getReference();
             $this->relations[$r->getField()] = $reference;
             //$mapper = new Mappings($reference->getTableReference()->info(),CreateTable::fromTable($reference->getTable()));
             //$this->relationReverseMappings[$r->getField()] = $mapper->translateToObjective($reference->getColumn());
         }
     } elseif ($this->engine == 'myisam') {
         $this->relations = MyIsam::fieldReferences($structure, $this->table);
     } else {
         throw new \Exception('Unknown database engine type: ' . $this->engine);
     }
     //Work out reverse references
     $tableName = $this->tableInfo['name'];
     foreach (TableReference::getAll() as $ref) {
         if ($ref->exists()) {
             $rStruct = CreateTable::fromTable($ref->getTable());
             foreach ($rStruct->relations as $relation) {
                 $reference = $relation->getReference();
                 $rTable = $reference->getTable();
                 if ($rTable == $tableName) {
                     $this->references[] = array('from_table' => $ref, 'from_field' => $relation->getField(), 'to_field' => $reference->getColumn());
                 }
             }
         }
     }
     //Dnamic Typing data
     $this->dynamicTyping = new DynamicTyping\Instance($table);
     $this->dynamicTyping = $this->dynamicTyping->map;
     //Validation
     $this->validation = new Validation($structure, $this->dynamicTyping);
     parent::__construct($this->mappings);
     //Store into cache
     Cache::Set($table, $this);
 }
예제 #2
0
 static function getModel(TableReferenceInstance $table, $data = true)
 {
     //cached
     $model = Cache::Get($table);
     if ($model) {
         return $model;
     }
     if (!$table->exists()) {
         return false;
     }
     $model = new Model($table);
     if ($data) {
         $model = $model->toModelData();
     }
     return $model;
 }
예제 #3
0
 static function init()
 {
     self::$pool = \Radical\Cache\PooledCache::get('radical_orm', 'Memory');
     global $_SQL;
     $cfile = '/tmp/' . $_SQL->getDb();
     if (file_exists($cfile) && filemtime($cfile) >= time() - 30) {
         self::$key = file_get_contents($cfile);
     } else {
         touch($cfile);
         $sql = 'SELECT MAX(UNIX_TIMESTAMP( CREATE_TIME )) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = "' . $_SQL->getDb() . '"';
         self::$key = \Radical\DB::Q($sql)->Fetch(Fetch::FIRST);
         file_put_contents($cfile, self::$key);
     }
     if (Server::isProduction()) {
         self::$data = self::$pool->get($_SQL->getDb() . '_' . self::$key);
         register_shutdown_function(function () {
             Cache::save();
         });
     }
     if (!is_array(self::$data)) {
         self::$data = array();
     }
 }