org.agorava.utils.solder.util.collections

Class Maps

java.lang.Object

org.agorava.utils.solder.util.collections.Maps

public class Maps
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static <K,V> Map.Entry<K,V>	immutableEntry(K key, V value) Returns an immutable map entry with the specified key and value.
static <K,V> HashMap<K,V>	newHashMapWithExpectedSize(int expectedSize) Creates a HashMap instance with enough capacity to hold the specified number of elements without rehashing.

Methods inherited from class java.lang.Object

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

Method Detail

immutableEntry

public static <K,V> Map.Entry<K,V> immutableEntry(K key,
                                  V value)

Returns an immutable map entry with the specified key and value. The Map.Entry.setValue(V) operation throws an UnsupportedOperationException.

The returned entry is serializable.

Parameters:

key - the key to be associated with the returned entry

value - the value to be associated with the returned entry

newHashMapWithExpectedSize

public static <K,V> HashMap<K,V> newHashMapWithExpectedSize(int expectedSize)

Creates a HashMap instance with enough capacity to hold the specified number of elements without rehashing.

Parameters:

expectedSize - the expected size

Returns:

a new, empty HashMap with enough capacity to hold expectedSize elements without rehashing

Throws:

IllegalArgumentException - if expectedSize is negative