private void setActive(boolean active) {
        StreamPreState state = stateHolder.getState();
        try {
            ((LogicalStreamPreState) state).active = active;
        } finally {
            stateHolder.returnState(state);
        }
    }
The time defined by 'for' in an absence pattern.
modules/siddhi-core/src/main/java/io/siddhi/core/query/input/stream/state/AbsentLogicalPreStateProcessor.java