Package com.groiss.ds

Class OrderedMap<K,V>

java.lang.Object

com.groiss.ds.OrderedMap<K,V>

All Implemented Interfaces:

Cloneable, Map<K,V>

public class OrderedMap<K,V>
extends Object
implements Map<K,V>, Cloneable

A map implementation where they keys are backed by a hashmap. Removal of keys is disallowed. Duplicate keys are disallowed at construction time. Changing a value for a key is allowed. Additional keys are allowed. All clones of an instance share the same keys.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
OrderedMap(List<K> keyList)	Create a new OrderedList.

Method Summary

Modifier and Type	Method	Description
void	clear()
Object	clone()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
int	getPosition(K key)
List<V>	getValueList()
boolean	isEmpty()
Set<K>	keySet()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> m)
V	remove(Object key)
int	size()
String	toString()
Collection<V>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Details

OrderedMap

public OrderedMap(List<K> keyList)

Create a new OrderedList.

Parameters:

keyList - a list of keys for the map; duplicates are disallowed.

Method Details

clear

public void clear()

Specified by:

clear in interface Map<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

getPosition

public int getPosition(K key)

clone

public Object clone()

Overrides:

clone in class Object

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> m)

Specified by:

putAll in interface Map<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

size

public int size()

Specified by:

size in interface Map<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

getValueList

public List<V> getValueList()

toString

public String toString()

Overrides:

toString in class Object