org.opendaylight.yangtools.util

Class LazyCollections

java.lang.Object

org.opendaylight.yangtools.util.LazyCollections

public final class LazyCollections
extends Object

Utility methods for lazily instantiated collections. These are useful for situations when we start off with an empty collection (where Collections.empty() can be reused), but need to add more things.

Method Summary

Modifier and Type	Method and Description
static <T> List<T>	lazyAdd(List<T> list, T obj) Add an element to a list, potentially transforming the list.

Methods inherited from class java.lang.Object

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

Method Detail

lazyAdd

public static <T> List<T> lazyAdd(List<T> list,
                                  T obj)

Add an element to a list, potentially transforming the list.

Parameters:

list - Current list

obj - Object that needs to be added

Returns:

new list