Module org.jhotdraw8.icollection

Package org.jhotdraw8.icollection.readonly

Class AbstractReadOnlyMap<K,V>

java.lang.Object

org.jhotdraw8.icollection.readonly.AbstractReadOnlyMap<K,V>

Type Parameters:

K - the key type

V - the value type

All Implemented Interfaces:

Iterable<Map.Entry<K,V>>, ReadOnlyMap<K,V>

Direct Known Subclasses:

ImmutableMapFacade

public abstract class AbstractReadOnlyMap<K,V>
extends Object
implements ReadOnlyMap<K,V>

Abstract base class for ReadOnlyMaps.

Constructor Summary

Constructors

Constructor	Description
AbstractReadOnlyMap()	Constructs a new instance.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)	Compares the specified object with this map for equality.
int	hashCode()	Returns the hash code value for this map.
final String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface org.jhotdraw8.icollection.readonly.ReadOnlyMap

asMap, characteristics, containsEntry, containsKey, containsValue, get, getOrDefault, isEmpty, iterator, readOnlyEntrySet, readOnlyKeySet, readOnlyValues, size, spliterator

Constructor Details

AbstractReadOnlyMap

public AbstractReadOnlyMap()

Constructs a new instance.

Method Details

equals

public boolean equals(Object o)

Description copied from interface: ReadOnlyMap

Compares the specified object with this map for equality.

Returns true if the given object is also a read-only map and the two maps represent the same entries, ignorig the sequence of the map entries.

Specified by:

equals in interface ReadOnlyMap<K,V>

Overrides:

equals in class Object

Parameters:

o - an object

Returns:

true if the object is equal to this map

hashCode

public int hashCode()

Description copied from interface: ReadOnlyMap

Returns the hash code value for this map. The hash code is the sum of the hash code of its entries.

Specified by:

hashCode in interface ReadOnlyMap<K,V>

Overrides:

hashCode in class Object

Returns:

the hash code value for this map

See Also:

• Map.hashCode()

toString

public final String toString()

Overrides:

toString in class Object