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com.port80.util.struct
Class ListEnumerate  

java.lang.Object
  com.port80.util.struct.ListEnumerate

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public class ListEnumerate

extends java.lang.Object

An sorted enumeration (array of array of Object) that contains all combinations of a list of list. For example: For input: [[1,2,3],[1,2]] Output: [[1,2],[1,2],[2,1],[2,2],[3,1],[2,3]]

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Nested Class Summary
static class	ListEnumerate.ascendingIndexComparator           Sort on index.
static class	ListEnumerate.ascendingIntegerComparator           Comparator function for basic tests.

 

Field Summary
private  java.util.List	input
private static int	ntest

 

Constructor Summary

ListEnumerate(java.util.List listoflist)

 

Method Summary
private static boolean	check(boolean ok, java.lang.String desc)           Check that a condition is ok.
private static void	dumpIndex(int[][] aa)
private static void	dumpObjects(java.lang.Object[] objects)
int[][]	enumerateIndex()
private static boolean	fail(boolean ok, java.lang.String desc)           Check that a condition is ok.
private  java.lang.Object[]	getItem(int[] counts)
static void	main(java.lang.String[] args)
static ListEnumerate	newInstance(java.util.List listoflist)
int[][]	sortedIndex(java.util.Comparator compare)           Sort with Comparator that takes indexes (int[]) as arguments.
java.lang.Object[][]	sortedIndexObjects(java.util.Comparator compare)           Sort on indexes but return corresponding objects[][].
java.lang.Object[][]	sortedObjects(java.util.Comparator compare)           Sort with Comparator that takes object[] as arguments.
static int	test1(java.lang.String[] args)           Basic tests.
private static java.util.List	testGenerateData()
private static int	testSumIndex(int[] a)
private static int	testSumObject(java.lang.Object item)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

input

private java.util.List input

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ntest

private static int ntest

Constructor Detail

ListEnumerate

public ListEnumerate(java.util.List listoflist)

Method Detail

newInstance

public static ListEnumerate newInstance(java.util.List listoflist)

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sortedIndex

public int[][] sortedIndex(java.util.Comparator compare)

Sort with Comparator that takes indexes (int[]) as arguments. This is useful when sorting is base on the indexes itself instead of the content of the objects.

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sortedIndexObjects

public java.lang.Object[][] sortedIndexObjects(java.util.Comparator compare)

Sort on indexes but return corresponding objects[][].

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sortedObjects

public java.lang.Object[][] sortedObjects(java.util.Comparator compare)

Sort with Comparator that takes object[] as arguments.

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enumerateIndex

public int[][] enumerateIndex()

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getItem

private java.lang.Object[] getItem(int[] counts)

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main

public static void main(java.lang.String[] args)

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test1

public static int test1(java.lang.String[] args)

Basic tests.

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testGenerateData

private static java.util.List testGenerateData()

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testSumIndex

private static int testSumIndex(int[] a)

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testSumObject

private static int testSumObject(java.lang.Object item)

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dumpIndex

private static void dumpIndex(int[][] aa)

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dumpObjects

private static void dumpObjects(java.lang.Object[] objects)

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fail

private static boolean fail(boolean ok,
                            java.lang.String desc)

Check that a condition is ok.

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check

private static boolean check(boolean ok,
                             java.lang.String desc)

Check that a condition is ok.

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