there are <number> <objects>

Reference > Rule Languages > Business Action Language > BAL Constructs > there are <number> <objects>

there are <number> <objects>

Summary

Tests to see if there are a specific number of objects of a given type in the current data set or the specified collection.

Syntax

there are <number> <objects> [in <list>] [where <test>,*]

Description

Use this construct to determine if the current data set contains exactly the specified number of occurrences of a particular object.

Use the optional 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.

Example

The following condition tests if the number of Gold customers is equal to 8.

if
   there are 8 customers
      where the category of each customer is Gold
then...