public static Value STORE_get( Key key ) {
    Value val = H2O.STORE.get(key);
    if( val == null ) return null; // A true null
    if( !val.isNull() ) return val; // Not a special Null
    // One-shot throwaway attempt at upgrading the special Null to a true null
    if( val._rwlock.get()==0 ) H2O.putIfMatch(key,null,val);
    return null;                // Special null, but missing from callers point of view
  }
public static Value STORE_get ( Key key ) { Value val = H2O . STORE . get ( key ) ; if ( val == null ) return null ; if ( ! val . isNull ( ) ) return val ; if ( val . _rwlock . get ( ) == 0 ) H2O . putIfMatch ( key , null , val ) ; return null ; }
Return the not-Null value, or the true null.