code: public void setInactivity(int inactivity) { // CPF-Inactivity
        if (lock == SET) {
           throw new IllegalStateException("EntryInfo is locked");
        }
        inactivityFlag = SET;
        this.inactivity = inactivity; // Seconds
        if (com.ibm.ws.cache.TimeLimitDaemon.UNIT_TEST_INACTIVITY) {
          System.out.println("EntryInfo.setInactivity() "+inactivity);
        }
     }
docs: This sets the inactivity timer variable. Once an entry is cached,
  it will remain in the cache for this many seconds if not accessed.
  
  @param inactivity This inactivity timer.
  @ibm-private-in-use