This class represents the If Action. A supplied condition expression is evaluated. If the condition evaluates to true the sequence of activities defined within the True activity list are executed. If the conditions evaluates to false then the sequence of activities defined within the False activity list are exectued. At least one of the True or False activity lists MUST be none empty.
This holds the selection condition
This holds the activities to be performed if the condition evaluates to be false
This holds the activities to be performed if the condition evaluates to true
Provide a user readable string which identifies this node
Perform a sanity check on the nodes in the parse tree