invokes the given callable while the thread context class loader is set to the given class loader concode_field_sep PlaceHolder placeHolder concode_field_sep placeholderType placeHolder
T function ( ClassLoader arg0 , Callable < T > arg1 ) { ClassLoader loc0 = Thread . currentThread ( ) . getContextClassLoader ( ) ; try { Thread . currentThread ( ) . setContextClassLoader ( arg0 ) ; return arg1 . call ( ) ; } finally { Thread . currentThread ( ) . setContextClassLoader ( loc0 ) ; } }