com.espertech.esper.common.internal.collection

Class NumberAscCombinationEnumeration

java.lang.Object

com.espertech.esper.common.internal.collection.NumberAscCombinationEnumeration

All Implemented Interfaces:

Enumeration<int[]>

public class NumberAscCombinationEnumeration
extends Object
implements Enumeration<int[]>

Provides an enumeration of each combination of numbers between zero and N-1 with N must be at least 1, with each combination cannot have duplicates, with each combination at least one element, with the longest combination gets returned first and the least long combination of the highest N-1 value last.

For example, for N=3:

         {0, 1, 2}
         {0, 1}
         {0, 2}
         {1, 2}
         {0}
         {1}
         {2}
     

Constructor Summary

Constructors

Constructor and Description
NumberAscCombinationEnumeration(int n)

Method Summary

Modifier and Type	Method and Description
boolean	hasMoreElements()
int[]	nextElement()

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberAscCombinationEnumeration

public NumberAscCombinationEnumeration(int n)

Method Detail

hasMoreElements

public boolean hasMoreElements()

Specified by:

hasMoreElements in interface Enumeration<int[]>

nextElement

public int[] nextElement()

Specified by:

nextElement in interface Enumeration<int[]>