com.ontimize.db

Class EntityResultUtils.EntityResultSorter

java.lang.Object

com.ontimize.db.EntityResultUtils.EntityResultSorter

Enclosing class:

EntityResultUtils

public static class EntityResultUtils.EntityResultSorter
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected int	compares
protected EntityResult	entityResult
protected int[]	indexes
protected List<EntityResultUtils.Order>	order
protected int	totalRecord

Constructor Summary

Constructors

Constructor and Description
EntityResultUtils.EntityResultSorter(EntityResult entityResult, List<EntityResultUtils.Order> order)

Method Summary

Methods

Modifier and Type	Method and Description
protected int	compare(int rowIndex1, int rowIndex2) Compares two rows column by column, following the sorting of the columns.
int	compareRowsByColumn(int rowIndex1, int rowIndex2, String columnName) Compares to row values of the same column.
protected void	init()
protected void	relocatedRecords()
void	shuttleSort(int[] from, int[] to, int low, int high) Fast algorithm to sort an array.
void	sort()

Methods inherited from class java.lang.Object

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

Field Detail

order

protected List<EntityResultUtils.Order> order

entityResult

protected EntityResult entityResult

totalRecord

protected int totalRecord

indexes

protected int[] indexes

compares

protected int compares

Constructor Detail

EntityResultUtils.EntityResultSorter

public EntityResultUtils.EntityResultSorter(EntityResult entityResult,
                                    List<EntityResultUtils.Order> order)

Method Detail

init

protected void init()

sort

public void sort()

relocatedRecords

protected void relocatedRecords()

shuttleSort

public void shuttleSort(int[] from,
               int[] to,
               int low,
               int high)

Fast algorithm to sort an array.

Parameters:

from - the original array

to - the sorted array

low - the starting index (typically 0)

high - the ending index (typically from.length)

compare

protected int compare(int rowIndex1,
          int rowIndex2)

Compares two rows column by column, following the sorting of the columns.

Parameters:

rowIndex1 -

rowIndex2 -

Returns:

0 if the rows are equal
1 if the first row has a null or a bigger value than the second
-1 if the first row has a null or a lower value than the second

See Also:

#compareRowsByColumn(int, int, int)

compareRowsByColumn

public int compareRowsByColumn(int rowIndex1,
                      int rowIndex2,
                      String columnName)

Compares to row values of the same column.

Parameters:

rowIndex1 -

rowIndex2 -

columnName -

Returns:

0 if both values are null or equal
-1 if the first value is null or less than the second
1 if the second value is null or less than the first