Package org.apache.commons.collections4.keyvalue

Class DefaultMapEntry<K,V>

java.lang.Object

org.apache.commons.collections4.keyvalue.AbstractKeyValue<K,V>

org.apache.commons.collections4.keyvalue.AbstractMapEntry<K,V>

org.apache.commons.collections4.keyvalue.DefaultMapEntry<K,V>

Type Parameters:

K - the type of keys

V - the type of mapped values

All Implemented Interfaces:

Map.Entry<K,V>, KeyValue<K,V>

public final class DefaultMapEntry<K,V>
extends AbstractMapEntry<K,V>

A restricted implementation of Map.Entry that prevents the Map.Entry contract from being broken.

Since:

3.0

Constructor Summary

Constructors

Constructor	Description
DefaultMapEntry(Map.Entry<? extends K,? extends V> entry)	Constructs a new entry from the specified Map.Entry.
DefaultMapEntry(K key, V value)	Constructs a new entry with the specified key and given value.
DefaultMapEntry(KeyValue<? extends K,? extends V> pair)	Constructs a new entry from the specified KeyValue.

Method Summary

Methods inherited from class org.apache.commons.collections4.keyvalue.AbstractMapEntry

equals, hashCode, setValue

Methods inherited from class org.apache.commons.collections4.keyvalue.AbstractKeyValue

getKey, getValue, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map.Entry

getKey, getValue

Constructor Detail

DefaultMapEntry

public DefaultMapEntry(K key,
                       V value)

Constructs a new entry with the specified key and given value.

Parameters:

key - the key for the entry, may be null

value - the value for the entry, may be null

DefaultMapEntry

public DefaultMapEntry(KeyValue<? extends K,? extends V> pair)

Constructs a new entry from the specified KeyValue.

Parameters:

pair - the pair to copy, must not be null

Throws:

NullPointerException - if the entry is null

DefaultMapEntry

public DefaultMapEntry(Map.Entry<? extends K,? extends V> entry)

Constructs a new entry from the specified Map.Entry.

Parameters:

entry - the entry to copy, must not be null

Throws:

NullPointerException - if the entry is null