Package org.apache.empire.commons

Class ArrayMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

org.apache.empire.commons.ArrayMap<K,V>

All Implemented Interfaces:

Map<K,V>

public class ArrayMap<K,V>
extends AbstractMap<K,V>

This class is a lightweight Map implementation using an ArrayList

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ArrayMap.Entry<K,V>	The Entry class represents a map entry

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
ArrayMap()	Default constructor
ArrayMap(int initialCapacity)	Constructor with initialCapacity
ArrayMap(Map<K,V> other)	Copy Constructor

Method Summary

Modifier and Type	Method	Description
ArrayMap<K,V>	add(K key, V value)	Builder method to build an ArrayMap
Set<Map.Entry<K,V>>	entrySet()
Map.Entry<K,V>	getEntry(K key)
int	getIndex(K key)
V	put(K key, V value)
void	put(K key, V value, int index)
V	remove(Object key)

Methods inherited from class java.util.AbstractMap

clear, clone, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, putAll, size, toString, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

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

Constructor Details

ArrayMap

public ArrayMap()

Default constructor

ArrayMap

public ArrayMap(int initialCapacity)

Constructor with initialCapacity

Parameters:

initialCapacity - the initial capacity

ArrayMap

public ArrayMap(Map<K,V> other)

Copy Constructor

Parameters:

other - the map from which to copy

Method Details

add

public ArrayMap<K,V> add(K key,
 V value)

Builder method to build an ArrayMap

Parameters:

key - the Key

value - the Value

Returns:

the ArrayMap

entrySet

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

Specified by:

entrySet in interface Map<K,V>

Specified by:

entrySet in class AbstractMap<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class AbstractMap<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class AbstractMap<K,V>

put

public void put(K key,
 V value,
 int index)

getIndex

public int getIndex(K key)

getEntry

public Map.Entry<K,V> getEntry(K key)