X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=classes%2FManaged_DataObject.php;h=e957e7ba8f505a120c4ab45dbce668ce2bfae121;hb=b3e61ce7d07f73feb8a17d16486d15b72926b4e9;hp=106065fc46673c67181321da644fe2dae781dab1;hpb=59043dca7fb6f974b11797c4d0f20e5b78b0611d;p=quix0rs-gnu-social.git

diff --git a/classes/Managed_DataObject.php b/classes/Managed_DataObject.php
index 106065fc46..e957e7ba8f 100644
--- a/classes/Managed_DataObject.php
+++ b/classes/Managed_DataObject.php
@@ -30,6 +30,69 @@ abstract class Managed_DataObject extends Memcached_DataObject
      */
     public static abstract function schemaDef();
 
+    /**
+     * Get an instance by key
+     *
+     * @param string $k Key to use to lookup (usually 'id' for this class)
+     * @param mixed  $v Value to lookup
+     *
+     * @return get_called_class() object if found, or null for no hits
+     *
+     */
+    static function getKV($k,$v=NULL)
+    {
+        return parent::getClassKV(get_called_class(), $k, $v);
+    }
+
+    /**
+     * Get an instance by compound key
+     *
+     * This is a utility method to get a single instance with a given set of
+     * key-value pairs. Usually used for the primary key for a compound key; thus
+     * the name.
+     *
+     * @param array $kv array of key-value mappings
+     *
+     * @return get_called_class() object if found, or null for no hits
+     *
+     */
+    static function pkeyGet(array $kv)
+    {
+        return parent::pkeyGetClass(get_called_class(), $kv);
+    }
+
+    /**
+     * Get multiple items from the database by key
+     *
+     * @param string  $keyCol    name of column for key
+     * @param array   $keyVals   key values to fetch
+     * @param array   $otherCols Other columns to hold fixed
+     *
+     * @return array Array mapping $keyVals to objects, or null if not found
+     */
+	static function pivotGet($keyCol, array $keyVals, array $otherCols=array())
+	{
+	    return parent::pivotGetClass(get_called_class(), $keyCol, $keyVals, $otherCols);
+	}
+
+    /**
+     * Get a multi-instance object
+     *
+     * This is a utility method to get multiple instances with a given set of
+     * values for a specific key column. Usually used for the primary key when
+     * multiple values are desired.
+     *
+     * @param string $keyCol  key column name
+     * @param array  $keyVals array of key values
+     *
+     * @return get_called_class() object with multiple instances if found, or null for no hits
+     *
+     */
+    static function listGet($keyCol, array $keyVals)
+    {
+        return parent::listGetClass(get_called_class(), $keyCol, $keyVals);
+    }
+
     /**
      * get/set an associative array of table columns
      *
@@ -38,9 +101,7 @@ abstract class Managed_DataObject extends Memcached_DataObject
      */
     function table()
     {
-        // Hack for PHP 5.2 not supporting late static binding
-        //$table = static::schemaDef();
-        $table = call_user_func(array(get_class($this), 'schemaDef'));
+        $table = static::schemaDef();
         return array_map(array($this, 'columnBitmap'), $table['fields']);
     }
 
@@ -168,4 +229,38 @@ abstract class Managed_DataObject extends Memcached_DataObject
         }
         return $links;
     }
-}
\ No newline at end of file
+
+    /**
+     * Return a list of all primary/unique keys / vals that will be used for
+     * caching. This will understand compound unique keys, which
+     * Memcached_DataObject doesn't have enough info to handle properly.
+     *
+     * @return array of strings
+     */
+    function _allCacheKeys()
+    {
+        $table = call_user_func(array(get_class($this), 'schemaDef'));
+        $ckeys = array();
+
+        if (!empty($table['unique keys'])) {
+            $keyNames = $table['unique keys'];
+            foreach ($keyNames as $idx => $fields) {
+                $val = array();
+                foreach ($fields as $name) {
+                    $val[$name] = self::valueString($this->$name);
+                }
+                $ckeys[] = self::multicacheKey($this->tableName(), $val);
+            }
+        }
+
+        if (!empty($table['primary key'])) {
+            $fields = $table['primary key'];
+            $val = array();
+            foreach ($fields as $name) {
+                $val[$name] = self::valueString($this->$name);
+            }
+            $ckeys[] = self::multicacheKey($this->tableName(), $val);
+        }
+        return $ckeys;
+    }
+}