Package com.helger.commons.collection.impl

Class CommonsWeakHashMap<KEYTYPE,VALUETYPE>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.WeakHashMap<KEYTYPE,VALUETYPE>

com.helger.commons.collection.impl.CommonsWeakHashMap<KEYTYPE,VALUETYPE>

Type Parameters:

KEYTYPE - Map key type

VALUETYPE - Map value type

All Implemented Interfaces:

ICommonsMap<KEYTYPE,VALUETYPE>, ICloneable<ICommonsMap<KEYTYPE,VALUETYPE>>, Serializable, Map<KEYTYPE,VALUETYPE>

public class CommonsWeakHashMap<KEYTYPE,VALUETYPE>
extends WeakHashMap<KEYTYPE,VALUETYPE>
implements ICommonsMap<KEYTYPE,VALUETYPE>

A special WeakHashMap implementation based on ICommonsMap.

Author:

Philip Helger

See Also:

Serialized Form

Nested Class Summary

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>

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

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

Constructor Summary

Constructors

Constructor	Description
CommonsWeakHashMap()
CommonsWeakHashMap(int nInitialCapacity)
CommonsWeakHashMap(int nInitialCapacity, float fLoadFactor)
CommonsWeakHashMap(Collection<? extends COLLTYPE> aValues, Function<? super COLLTYPE,? extends KEYTYPE> aKeyMapper, Function<? super COLLTYPE,? extends VALUETYPE> aValueMapper)
CommonsWeakHashMap(Map<? extends KEYTYPE,? extends VALUETYPE> aMap)
CommonsWeakHashMap(Map<? extends SRCKEYTYPE,? extends SRCVALUETYPE> aValues, Function<? super SRCKEYTYPE,? extends KEYTYPE> aKeyMapper, Function<? super SRCVALUETYPE,? extends VALUETYPE> aValueMapper)

Method Summary

Modifier and Type	Method	Description
<K,V> CommonsWeakHashMap<K,V>	createInstance()	Create a new empty map.
CommonsWeakHashMap<KEYTYPE,VALUETYPE>	getClone()

Methods inherited from class java.util.WeakHashMap

clear, containsKey, containsValue, entrySet, forEach, get, isEmpty, keySet, put, putAll, remove, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

clone, equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.helger.commons.collection.impl.ICommonsMap

addAll, containsAnyEntry, containsAnyKey, containsAnyValue, copyOfEntrySet, copyOfKeySet, copyOfKeySet, copyOfValues, copyOfValues, copyOfValuesMapped, copyOfValuesMapped, findFirstEntry, findFirstKey, findFirstValue, forEach, forEachKey, forEachKey, forEachValue, forEachValue, getAsUnmodifiable, getFirstEntry, getFirstEntry, getFirstKey, getFirstKey, getFirstValue, getFirstValue, getSortedByKey, getSortedByValue, getSwappedKeyValues, isNotEmpty, put, putAll, putAll, putAllMapped, putAllMapped, putAllMapped, putIf, putIfNotNull, removeAll, removeIf, removeIfKey, removeIfValue, removeObject, setAll

Methods inherited from interface java.util.Map

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

Constructor Detail

CommonsWeakHashMap

public CommonsWeakHashMap()

CommonsWeakHashMap

public CommonsWeakHashMap(@Nonnegative
                          int nInitialCapacity)

CommonsWeakHashMap

public CommonsWeakHashMap(@Nonnegative
                          int nInitialCapacity,
                          @Nonnegative
                          float fLoadFactor)

CommonsWeakHashMap

public CommonsWeakHashMap(@Nullable
                          Map<? extends KEYTYPE,? extends VALUETYPE> aMap)

CommonsWeakHashMap

public CommonsWeakHashMap(@Nullable
                          Collection<? extends COLLTYPE> aValues,
                          @Nonnull
                          Function<? super COLLTYPE,? extends KEYTYPE> aKeyMapper,
                          @Nonnull
                          Function<? super COLLTYPE,? extends VALUETYPE> aValueMapper)

CommonsWeakHashMap

public CommonsWeakHashMap(@Nullable
                          Map<? extends SRCKEYTYPE,? extends SRCVALUETYPE> aValues,
                          @Nonnull
                          Function<? super SRCKEYTYPE,? extends KEYTYPE> aKeyMapper,
                          @Nonnull
                          Function<? super SRCVALUETYPE,? extends VALUETYPE> aValueMapper)

Method Detail

createInstance

@Nonnull
@ReturnsMutableCopy
public <K,V> CommonsWeakHashMap<K,V> createInstance()

Description copied from interface: ICommonsMap

Create a new empty map. Overwrite this if you don't want to use CommonsHashMap.

Specified by:

createInstance in interface ICommonsMap<KEYTYPE,VALUETYPE>

Type Parameters:

K - Map key type

V - Map value type

Returns:

A new empty map. Never null.

getClone

@Nonnull
@ReturnsMutableCopy
public CommonsWeakHashMap<KEYTYPE,VALUETYPE> getClone()

Specified by:

getClone in interface ICloneable<KEYTYPE>

Returns:

A 100% deep-copy of the implementing class.