Package com.ibm.wala.util.collections

Class SmallMap<K,V>

java.lang.Object

com.ibm.wala.util.collections.SmallMap<K,V>

All Implemented Interfaces:

Map<K,V>

public class SmallMap<K,V>
extends Object
implements Map<K,V>

A simple implementation of Map; intended for Maps with few elements. Optimized for space, not time -- use with care.

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
SmallMap()

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
K	getKey(int i)	Use with care.
V	getValue(int i)	Use with care.
boolean	isEmpty()
Set<K>	keySet()
@Nullable V	put(Object key, Object value)
void	putAll(Map<? extends K,? extends V> t)
V	remove(Object key)
int	size()
Collection<V>	values()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, 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

SmallMap

public SmallMap()

Method Details

size

public int size()

Specified by:

size in interface Map<K,V>

getKey

public K getKey(int i)
         throws IllegalStateException

Use with care.

Returns:

the ith key

Throws:

IllegalStateException

getValue

public V getValue(int i)
           throws IllegalStateException

Use with care.

Returns:

the ith key

Throws:

IllegalStateException

isEmpty

public boolean isEmpty()

Specified by:

isEmpty 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>

get

@NullUnmarked
public V get(Object key)

Specified by:

get in interface Map<K,V>

put

public @Nullable V put(Object key,
 Object value)

Specified by:

put in interface Map<K,V>

remove

public V remove(Object key)
         throws UnsupportedOperationException

Specified by:

remove in interface Map<K,V>

Throws:

UnsupportedOperationException

putAll

public void putAll(Map<? extends K,? extends V> t)
            throws UnsupportedOperationException

Specified by:

putAll in interface Map<K,V>

Throws:

UnsupportedOperationException

clear

@NullUnmarked
public void clear()

Specified by:

clear in interface Map<K,V>

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

entrySet

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

Specified by:

entrySet in interface Map<K,V>