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<?php
/**
* Generic interface for reading Isis databases.
*/
interface IsisDb {
/**
* Constructor.
*
* @param $schema
* High level database schema description.
*
* @see default_schema()
*/
public function __construct($schema);
/**
* Read an entry.
*
* @param $id
* Database row id.
*/
public function read($id);
/**
* Return number of rows in the database.
*
* @return
* Number of rows in the database.
*/
public function rows();
/**
* Return a default example schema.
*
* @return
* Array with a sample database schema.
*/
public function default_schema();
}
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