Basic file skeleton + CRUD hooks

Values to replace:

/**
 * @file
 * Hooks provided by this module.
 */

/**
 * @addtogroup hooks
 * @{
 */

/**
 * Acts on {ENTITIES} being loaded from the database.
 *
 * This hook is invoked during {ENTITY} loading, which is handled by
 * entity_load(), via the EntityCRUDController.
 *
 * @param array {$ENTITIES}
 *   An array of {ENTITY} entities being loaded, keyed by id.
 *
 * @see hook_entity_load()
 */
function hook_{ENTITY_ID}_load(array {$ENTITIES}) {
  $result = db_query('SELECT pid, foo FROM {mytable} WHERE pid IN(:ids)', array(':ids' => array_keys({$ENTITIES})));
  foreach ($result as $record) {
    {$ENTITIES}[$record->pid]->foo = $record->foo;
  }
}

/**
 * Responds when a {ENTITY} is inserted.
 *
 * This hook is invoked after the {ENTITY} is inserted into the database.
 *
 * @param {ENTITY_CLASS} {$ENTITY}
 *   The {ENTITY} that is being inserted.
 *
 * @see hook_entity_insert()
 */
function hook_{ENTITY_ID}_insert({ENTITY_CLASS} {$ENTITY}) {
  db_insert('mytable')
    ->fields(array(
      'id' => entity_id('{ENTITY_ID}', {$ENTITY}),
      'extra' => print_r({$ENTITY}, TRUE),
    ))
    ->execute();
}

/**
 * Acts on a {ENTITY} being inserted or updated.
 *
 * This hook is invoked before the {ENTITY} is saved to the database.
 *
 * @param {ENTITY_CLASS} {$ENTITY}
 *   The {ENTITY} that is being inserted or updated.
 *
 * @see hook_entity_presave()
 */
function hook_{ENTITY_ID}_presave({ENTITY_CLASS} {$ENTITY}) {
  {$ENTITY}->name = 'foo';
}

/**
 * Responds to a {ENTITY} being updated.
 *
 * This hook is invoked after the {ENTITY} has been updated in the database.
 *
 * @param {ENTITY_CLASS} {$ENTITY}
 *   The {ENTITY} that is being updated.
 *
 * @see hook_entity_update()
 */
function hook_{ENTITY_ID}_update({ENTITY_CLASS} {$ENTITY}) {
  db_update('mytable')
    ->fields(array('extra' => print_r({$ENTITY}, TRUE)))
    ->condition('id', entity_id('{ENTITY_ID}', {$ENTITY}))
    ->execute();
}

/**
 * Responds to {ENTITY} deletion.
 *
 * This hook is invoked after the {ENTITY} has been removed from the database.
 *
 * @param {ENTITY_CLASS} {$ENTITY}
 *   The {ENTITY} that is being deleted.
 *
 * @see hook_entity_delete()
 */
function hook_{ENTITY_ID}_delete({ENTITY_CLASS} {$ENTITY}) {
  db_delete('mytable')
    ->condition('pid', entity_id('{ENTITY_ID}', {$ENTITY}))
    ->execute();
}

/**
 * @}
 */