foreach
The foreach keyword executes a statement
block several times.
fork
The fork keyword executes several statement
blocks sequentially.
from
The from keyword supports relations between
objects.
function
The function keyword defines a function
to be called.
functiontask
The functiontask keyword declares an action
task.
goto
The goto keyword jumps to another ruleflow
statement.
hasher
The hasher keyword defines a hashing expression.
hierarchy
The hierarchy keyword defines a hierarchical
property.
if
The if keyword executes one of two statement
blocks.
if (in ruleflow)
The if keyword executes one statement
block or another, depending on a Boolean expression value.
import
The import keyword imports a Java class or package into a rule file.
in
The in keyword supports relations between
object values.
in — !in (predicates)
In any expression, the in keyword tests
whether a value belongs to a collection and or the !in keyword
tests whether a value does not belong to a collection.