ThresholdIndicators
$id : integer
$indicatorName : string
$indicatorType : integer
$default : integer
$thresholdFreqCheck : integer
__construct()
Constructor
getId()
setIndicatorName( $name)
getIndicatorName()
setIndicatorType( $type)
getIndicatorType()
setDefault( $default)
getDefault( $letterGrade = true)
setThresholdFreqCheck( $check)
getThresholdFreqCheck()