Package org.apache.commons.collections4

Class TrieUtils

java.lang.Object

org.apache.commons.collections4.TrieUtils

public class TrieUtils
extends java.lang.Object

A collection of Trie utilities.

Since:

4.0

Version:

$Id: TrieUtils.java 1686855 2015-06-22 13:00:27Z tn $

Method Summary

Modifier and Type	Method	Description
static <K,V> Trie<K,V>	unmodifiableTrie(Trie<K,? extends V> trie)	Returns an unmodifiable instance of a Trie

Methods inherited from class java.lang.Object

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

Method Detail

unmodifiableTrie

public static <K,V> Trie<K,V> unmodifiableTrie(Trie<K,? extends V> trie)

Returns an unmodifiable instance of a Trie

Type Parameters:

K - the key type

V - the value type

Parameters:

trie - the trie to make unmodifiable, must not be null

Returns:

an unmodifiable trie backed by the given trie

Throws:

java.lang.NullPointerException - if trie is null

See Also:

Collections.unmodifiableMap(java.util.Map)