Package ca.uhn.fhir.jpa.util

Class CartesianProductUtil

java.lang.Object

ca.uhn.fhir.jpa.util.CartesianProductUtil

public class CartesianProductUtil
extends Object

Utility class for working with cartesian products - Use Guava's Lists.cartesianProduct(List) method to actually calculate the product.

Method Summary

Modifier and Type	Method	Description
static <T> int	calculateCartesianProductSize(List<List<T>> theLists)	Returns the size of the cartesian product

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

calculateCartesianProductSize

public static <T> int calculateCartesianProductSize(List<List<T>> theLists)
                                             throws ArithmeticException

Returns the size of the cartesian product

Throws:

ArithmeticException - If size exceeds Integer.MAX_VALUE

Since:

7.4.0