public void setCheckInterval(long checkInterval)
  {
    if (checkInterval < 0 || checkInterval > Long.MAX_VALUE / 2)
      _checkInterval = Long.MAX_VALUE / 2;
    else
      _checkInterval = checkInterval;

    _checkExpiresTime = 0;
  }
public void setCheckInterval ( long checkInterval ) { if ( checkInterval < 0 || checkInterval > Long . MAX_VALUE / 2 ) _checkInterval = Long . MAX_VALUE / 2 ; else _checkInterval = checkInterval ; _checkExpiresTime = 0 ; }
Sets the check modification check interval in milliseconds.
Negative values mean never check. 0 means always check.

@param checkInterval how often the dependency should be checked