Class HistoricalHashMap<K,V>
- java.lang.Object
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- org.opentrafficsim.core.perception.AbstractHistorical<K,AbstractHistoricalMap.EventMap<K,V,M>>
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- org.opentrafficsim.core.perception.collections.AbstractHistoricalMap<K,V,LinkedHashMap<K,V>>
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- org.opentrafficsim.core.perception.collections.HistoricalHashMap<K,V>
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- Type Parameters:
K
- key typeV
- value type
- All Implemented Interfaces:
Map<K,V>
,HistoricalMap<K,V>
,HistoryManager.HistoricalElement
public class HistoricalHashMap<K,V> extends AbstractHistoricalMap<K,V,LinkedHashMap<K,V>>
LinkedHashMap-valued historical state. The current hash map is always maintained, and past states of the hash map are obtained by applying the events between now and the requested time in reverse.
The set views returned by this class are unmodifiable.Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.- Version:
- $Revision$, $LastChangedDate$, by $Author$, initial version 3 feb. 2018
- Author:
- Alexander Verbraeck, Peter Knoppers, Wouter Schakel
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Nested Class Summary
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Nested classes/interfaces inherited from class org.opentrafficsim.core.perception.collections.AbstractHistoricalMap
AbstractHistoricalMap.EventMap<K,V,M extends Map<K,V>>
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Nested classes/interfaces inherited from class org.opentrafficsim.core.perception.AbstractHistorical
AbstractHistorical.EventValue<T>
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Constructor Summary
Constructors Constructor Description HistoricalHashMap(HistoryManager historyManager)
Constructor.HistoricalHashMap(HistoryManager historyManager, Map<? extends K,? extends V> m)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description LinkedHashMap<K,V>
get()
Returns the current map.LinkedHashMap<K,V>
get(Time time)
Returns a past map.String
toString()
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Methods inherited from class org.opentrafficsim.core.perception.collections.AbstractHistoricalMap
clear, containsKey, containsValue, entrySet, fill, fill, get, getMap, isEmpty, keySet, put, putAll, remove, size, values
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Methods inherited from class org.opentrafficsim.core.perception.AbstractHistorical
addEvent, cleanUpHistory, getEvent, getEvents, getLastEvent, isLastState, now, removeEvent
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.opentrafficsim.core.perception.collections.HistoricalMap
replaceAll
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Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace
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Constructor Detail
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HistoricalHashMap
public HistoricalHashMap(HistoryManager historyManager)
Constructor.- Parameters:
historyManager
- HistoryManager; history manager
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HistoricalHashMap
public HistoricalHashMap(HistoryManager historyManager, Map<? extends K,? extends V> m)
Constructor.- Parameters:
historyManager
- HistoryManager; history managerm
- Map<? extends K, ? extends V>; initial map
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Method Detail
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get
public LinkedHashMap<K,V> get()
Returns the current map.- Returns:
- Map; current map
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get
public LinkedHashMap<K,V> get(Time time)
Returns a past map.- Parameters:
time
- Time; time to obtain the map at- Returns:
- Map; past map
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