Package com.helixframework.collections

Class TrackingMap<K,V>

java.lang.Object

com.helixframework.collections.TrackingMap<K,V>

Type Parameters:

K - key type

V - value type

All Implemented Interfaces:

Map<K,V>

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

Map implementation wrapper that tracks access to its data.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TrackingMap.Operation<K>	Tracked operation.
static enum	TrackingMap.OperationType	Enumeration of tracked operations.

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

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

Constructor Summary

Constructors

Constructor	Description
TrackingMap(Map<K,V> wrappedMap)	Creates a new instance of TrackingMap.

Method Summary

Modifier and Type	Method	Description
Set<K>	accessedKeys()	Gets a set of all accessed keys.
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
LinkedList<TrackingMap.Operation<K>>	getHistory()	Gets the history of all operations in sequential order.
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()
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

TrackingMap

public TrackingMap(Map<K,V> wrappedMap)

Creates a new instance of TrackingMap.

Parameters:

wrappedMap - map to wrap

Method Details

size

public int size()

Specified by:

size in interface Map<K,V>

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

public V get(Object key)

Specified by:

get in interface Map<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

putAll

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

Specified by:

putAll in interface Map<K,V>

clear

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>

getHistory

public LinkedList<TrackingMap.Operation<K>> getHistory()

Gets the history of all operations in sequential order.

Returns:

history of operations

accessedKeys

public Set<K> accessedKeys()

Gets a set of all accessed keys.

Returns:

accessed keys