org.eurekaclinical.i2b2.client.pdo

Class CustomNullHashMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

org.eurekaclinical.i2b2.client.pdo.CustomNullHashMap<K,V>

Type Parameters:

K - the type of the map's keys

V - the type of the map's values

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

public class CustomNullHashMap<K,V>
extends HashMap<K,V>

A hash map that will return a specified value if a key is not in the map.

Since:

1.0

Author:

Michel Mansour

See Also:

Serialized Form

Nested Class Summary

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

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

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
CustomNullHashMap() Default constructor.
CustomNullHashMap(V missingKeyValue) Accepts the value that should be returned if get(Object) is called with a key that the map does not contain.

Method Summary

Modifier and Type	Method and Description
V	get(Object key)

Methods inherited from class java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

CustomNullHashMap

public CustomNullHashMap(V missingKeyValue)

Accepts the value that should be returned if get(Object) is called with a key that the map does not contain.

Parameters:

missingKeyValue - the value that get(Object) should return if a key is not in the map

CustomNullHashMap

public CustomNullHashMap()

Default constructor. Sets the missing value to null.

Method Detail

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

Overrides:

get in class HashMap<K,V>