Package org.apache.commons.collections4.keyvalue

Class AbstractMapEntry<K,V>

java.lang.Object

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

org.apache.commons.collections4.keyvalue.AbstractMapEntry<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>

Direct Known Subclasses:

DefaultMapEntry, UnmodifiableMapEntry

public abstract class AbstractMapEntry<K,V>
extends AbstractKeyValue<K,V>
implements Map.Entry<K,V>

Abstract Pair class to assist with creating correct Map.Entry implementations.

Since:

3.0

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Compares this Map.Entry with another Map.Entry.
int	hashCode()	Gets a hashCode compatible with the equals method.
V	setValue(V value)	Sets the value stored in this Map.Entry.

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

Method Details

setValue

public V setValue(V value)

Sets the value stored in this Map.Entry.

This Map.Entry is not connected to a Map, so only the local data is changed.

Specified by:

setValue in interface Map.Entry<K,V>

Parameters:

value - the new value

Returns:

the previous value

equals

public boolean equals(Object obj)

Compares this Map.Entry with another Map.Entry.

Implemented per API documentation of Map.Entry.equals(Object)

Specified by:

equals in interface Map.Entry<K,V>

Overrides:

equals in class Object

Parameters:

obj - the object to compare to

Returns:

true if equal key and value

hashCode

public int hashCode()

Gets a hashCode compatible with the equals method.

Implemented per API documentation of Map.Entry.hashCode()

Specified by:

hashCode in interface Map.Entry<K,V>

Overrides:

hashCode in class Object

Returns:

a suitable hash code