there are less than (number) (type)

This construct tests whether there are fewer than a specified number of objects of a given type.

Purpose

You use this construct to determine whether the specified collection contains fewer than the specified number of occurrences of a particular object.

Syntax

there are less than <number> <type> [in <list>] [where <test>,]

Description

Use the in clause to apply the test to a specific collection of objects. Use one or more optional where clauses to filter the objects to be counted with one or more conditions.

This construct can only be used in the if part of a rule.

Note:

The <number> argument cannot be a BigDecimal or a BigInteger. Although the language parser does not generate an error, an error may be generated.

Example

The following condition tests if the number of Gold customers is lower than 3.

if
   there are less than 3 customers in the customers of bank
      where the category of each customer is Gold
then...