com.acsinet_solutions.cetia4.data
Class DTOUtils

java.lang.Object
  com.acsinet_solutions.cetia4.data.DTOUtils

public final class DTOUtils
extends java.lang.Object

Utilities for DTOs

(c) 2004 ACSINET S.A. de C.V. Derechos Reservados

Author:

Santiago Arriaga

Constructor Summary

DTOUtils()

Method Summary

static <T extends IntKeyDTO> java.util.Map<java.lang.Integer,T>	asSequencedMap(java.util.Collection<T> collection) Convert the SimpleKeyDTO list to a sequenced map
static <T extends IntKeyDTO> java.util.SortedMap<java.lang.Integer,T>	asSortedMap(java.util.Collection<T> collection) Convert the SimpleKeyDTO list to a sorted map
static void	checkVersion(long providedVersion, long expectedVersion) Simple method that provides version checking
static IntKeyDTO	getInstance(java.lang.Class c, java.lang.Integer id) Get a SimpleKeyDTO instance for the given class name and key value
static <T extends IntKeyDTO> void	removeRepeated(java.util.List<T> list) Remove the repeated SimpleKeyDTO elements in the given list

Methods inherited from class java.lang.Object

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

Constructor Detail

DTOUtils

public DTOUtils()

Method Detail

asSortedMap

public static <T extends IntKeyDTO> java.util.SortedMap<java.lang.Integer,T> asSortedMap(java.util.Collection<T> collection)

Convert the SimpleKeyDTO list to a sorted map

Parameters:

list - A list of not-null AreaDTO instances

Returns:

A not-null not-empty Map of not-null Integer keys and not-null SimpleKeyDTO values.

asSequencedMap

public static <T extends IntKeyDTO> java.util.Map<java.lang.Integer,T> asSequencedMap(java.util.Collection<T> collection)

Convert the SimpleKeyDTO list to a sequenced map

Parameters:

list - A list of not-null SimpleKeyDTO instances

Returns:

A not-null not-empty Map of not-null Integer keys and not-null SimpleKeyDTO values.

removeRepeated

public static <T extends IntKeyDTO> void removeRepeated(java.util.List<T> list)

Remove the repeated SimpleKeyDTO elements in the given list

getInstance

public static IntKeyDTO getInstance(java.lang.Class c,
                                    java.lang.Integer id)

Get a SimpleKeyDTO instance for the given class name and key value

Parameters:

c - A not-null valid Class that implements SimpleKeyDTO

id - An id value that will be assigned to the newly created instance before returning

checkVersion

public static void checkVersion(long providedVersion,
                                long expectedVersion)
                         throws VersionMismatchException

Simple method that provides version checking

Throws:

VersionMismatchException