org.eclipse.viatra.cep.core.engine.compiler

Class PermutationsHelper<T>

java.lang.Object

org.eclipse.viatra.cep.core.engine.compiler.PermutationsHelper<T>

Type Parameters:

T - the type of the elements to be permutated

public class PermutationsHelper<T>
extends java.lang.Object

Helper class for calculating permutations for Lists of type T.

Constructor Summary

Constructors

Constructor and Description
PermutationsHelper()

Method Summary

Modifier and Type	Method and Description
java.util.List<java.util.List<T>>	getAll(java.util.List<T> elements) Shorthand method for getAll(List, int): fromElement==0.
java.util.List<java.util.List<T>>	getAll(java.util.List<T> elements, int fromElement)

Methods inherited from class java.lang.Object

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

Constructor Detail

PermutationsHelper

public PermutationsHelper()

Method Detail

getAll

public java.util.List<java.util.List<T>> getAll(java.util.List<T> elements,
                                                int fromElement)

Parameters:

elements - the elements to be permutated

fromElement - the fist element of the list the permutation should be calculated from (i.e. the prefix)

Returns:

a List of permutations, i.e. a List of Lists

getAll

public java.util.List<java.util.List<T>> getAll(java.util.List<T> elements)

Shorthand method for getAll(List, int): fromElement==0.

Parameters:

elements - the elements to be permutated

Returns:

a List of permutations, i.e. a List of Lists