public boolean isNullValue()

in src/com/amazon/ion/impl/SymbolTableReader.java [1246:1284]

• 31 lines of code
• 22 McCabe index (conditional complexity)

    public boolean isNullValue()
    {
        switch (_current_state)
        {
        case S_STRUCT:
        case S_IN_STRUCT:
        case S_NAME:
        case S_VERSION:
        case S_MAX_ID:
        case S_IMPORT_LIST:
        case S_IN_IMPORTS:
        case S_IMPORT_STRUCT:
        case S_IN_IMPORT_STRUCT:
        case S_IMPORT_NAME:
        case S_IMPORT_VERSION:
        case S_IMPORT_MAX_ID:
        case S_IN_SYMBOLS:
        case S_SYMBOL:
            // these values are either present and non-null
            // or entirely absent (in which case they will
            // have been skipped and we won't be in a state
            // to return them).
            return false;

        case S_IMPORT_STRUCT_CLOSE:
        case S_IMPORT_LIST_CLOSE:
        case S_AFTER_IMPORT_LIST:
        case S_SYMBOL_LIST:
        case S_SYMBOL_LIST_CLOSE:
        case S_STRUCT_CLOSE:
        case S_EOF:
            // here we're not really on a value, so we're not
            // on a value that is a null - so false again.
            return false;

        default:
            throw new IonException("Internal error: UnifiedSymbolTableReader is in an unrecognized state: "+_current_state);
        }
    }