org.mongodb.morphia.utils

Class IterHelper<K,V>

java.lang.Object

org.mongodb.morphia.utils.IterHelper<K,V>

Type Parameters:

K - The key type of the map

V - The value type of the map/collection

public final class IterHelper<K,V>
extends Object

Helper to allow for optimizations for different types of Map/Collections

Author:

Scott Hernandez

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IterHelper.IterCallback<V> A callback mechanism for processing Iterables
static class	IterHelper.MapIterCallback<K,V> A callback mechanism for processing Maps

Constructor Summary

Constructors

Constructor and Description
IterHelper()

Method Summary

Modifier and Type	Method and Description
void	loopMap(Object x, IterHelper.MapIterCallback<K,V> callback) Process a Map
void	loopOrSingle(Object x, IterHelper.IterCallback<V> callback) Calls eval for each entry found, or just once if the "x" isn't iterable/collection/list/etc.

Methods inherited from class java.lang.Object

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

Constructor Detail

IterHelper

public IterHelper()

Method Detail

loopMap

public void loopMap(Object x,
                    IterHelper.MapIterCallback<K,V> callback)

Process a Map

Parameters:

x - the object to process

callback - the callback

loopOrSingle

public void loopOrSingle(Object x,
                         IterHelper.IterCallback<V> callback)

Calls eval for each entry found, or just once if the "x" isn't iterable/collection/list/etc. with "x"

Parameters:

x - the object process

callback - the callback