stomp.wrapper
Class CollectionHelper

java.lang.Object
  |
  +--stomp.wrapper.CollectionHelper

public class CollectionHelper

extends java.lang.Object

Utility class for working with Collections.

Author:

Eric Lindauer

Constructor Summary

CollectionHelper()

Method Summary

static CollectionDelegate	createCollection(java.lang.Class collectionTemplate)
static CollectionDelegate	createCollection(java.util.Collection collection)
static MapDelegate	createMap(java.lang.Class mapTemplate)
static java.util.Map	createMap(java.lang.Class mapTemplate, int capacity)
static java.util.Map	createMap(java.lang.Class mapTemplate, int capacity, float load)
static MapDelegate	createMap(java.util.Map map)
static java.util.Set	createSet(java.lang.Class setClass, java.util.Comparator compare)
static java.lang.Object	getFirst(java.util.Collection c) returns the first object in the collection if c is not null and has size > 0.
static java.util.List	sort(java.util.Collection collection)
static java.util.Collection	toCollection(javax.jdo.Extent e)
static java.util.Collection	toCollection(javax.jdo.Extent e, java.util.Collection startList)

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionHelper

public CollectionHelper()

Method Detail

createCollection

public static CollectionDelegate createCollection(java.util.Collection collection)

createMap

public static MapDelegate createMap(java.util.Map map)

createSet

public static java.util.Set createSet(java.lang.Class setClass,
                                      java.util.Comparator compare)

createCollection

public static CollectionDelegate createCollection(java.lang.Class collectionTemplate)

createMap

public static java.util.Map createMap(java.lang.Class mapTemplate,
                                      int capacity,
                                      float load)

createMap

public static java.util.Map createMap(java.lang.Class mapTemplate,
                                      int capacity)

createMap

public static MapDelegate createMap(java.lang.Class mapTemplate)

getFirst

public static java.lang.Object getFirst(java.util.Collection c)

returns the first object in the collection if c is not null and has size > 0. Otherwise, returns null.

toCollection

public static java.util.Collection toCollection(javax.jdo.Extent e,
                                                java.util.Collection startList)

toCollection

public static java.util.Collection toCollection(javax.jdo.Extent e)

sort

public static java.util.List sort(java.util.Collection collection)