Rules

A rule is an entity tested to determine when a certain condition is verified.

Rules are Java objects subclassed from the abstract class com.hite.xbm.chains.Rule and user may define its own rules (see plugin chapter).

Following rules are supplied by default with XBM:

Class name	Verified if	Parameters
com.hite.xbm.chains.RuleTrue	Always
com.hite.xbm.chains.RuleFalse	Never (causes rules checking to stop)
com.hite.xbm.chains.RuleIsFault	an item faults	item name(1)
com.hite.xbm.chains.RuleIsNormallyTerminated	an item terminates normally	item name(1)
com.hite.xbm.chains.RuleReturnCode	an item RC matches condition	item name(1) condition (<, >, =, !=, IN) value

(1) if "*" is specified any item matches selection.

IN condition allows to check more than one possible value, simply specifying one or more values delimited by "," (comma) or ranges, delimited by "-" (minus).

I.e.

IN 3,8	return true if RC = 3 or RC = 8
IN 3-8	return true if RC >= 3 and RC <=8
IN 5,8-12,20	return true if RC = 5 or (RC>=8 and RC<=12) or RC=20