com.helger.collection.multimap

Class AbstractMultiWeakHashMap<KEYTYPE,VALUETYPE,COLLTYPE extends com.helger.commons.collection.impl.ICommonsCollection<VALUETYPE>>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.WeakHashMap<KEYTYPE,VALUETYPE>

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

com.helger.collection.multimap.AbstractMultiWeakHashMap<KEYTYPE,VALUETYPE,COLLTYPE>

Type Parameters:

KEYTYPE - key type

VALUETYPE - value type

COLLTYPE - contained collection type

All Implemented Interfaces:

IMultiMap<KEYTYPE,VALUETYPE,COLLTYPE>, com.helger.commons.collection.impl.ICommonsMap<KEYTYPE,COLLTYPE>, com.helger.commons.lang.ICloneable<com.helger.commons.collection.impl.ICommonsMap<KEYTYPE,COLLTYPE>>, Serializable, Map<KEYTYPE,COLLTYPE>

Direct Known Subclasses:

AbstractMultiWeakHashMapListBased, AbstractMultiWeakHashMapSetBased

@NotThreadSafe
public abstract class AbstractMultiWeakHashMap<KEYTYPE,VALUETYPE,COLLTYPE extends com.helger.commons.collection.impl.ICommonsCollection<VALUETYPE>>
extends com.helger.commons.collection.impl.CommonsWeakHashMap<KEYTYPE,COLLTYPE>
implements IMultiMap<KEYTYPE,VALUETYPE,COLLTYPE>

Abstract multi map based on WeakHashMap.

Author:

Philip Helger

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
AbstractMultiWeakHashMap()
AbstractMultiWeakHashMap(KEYTYPE aKey, COLLTYPE aCollection)
AbstractMultiWeakHashMap(KEYTYPE aKey, VALUETYPE aValue)
AbstractMultiWeakHashMap(Map<? extends KEYTYPE,? extends COLLTYPE> aCont)

Method Summary

Modifier and Type	Method and Description
protected abstract COLLTYPE	createNewCollection()
COLLTYPE	getOrCreate(KEYTYPE aKey) Get or create the collection of the specified key.

Methods inherited from class com.helger.commons.collection.impl.CommonsWeakHashMap

createInstance, 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.collection.multimap.IMultiMap

containsSingle, forEachSingle, forEachSingleValue, getTotalValueCount, putAllIn, putSingle, removeSingle

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

addAll, containsAnyEntry, containsAnyKey, containsAnyValue, copyOfEntrySet, copyOfKeySet, copyOfKeySet, copyOfValues, copyOfValues, copyOfValuesMapped, copyOfValuesMapped, createInstance, 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

Methods inherited from interface com.helger.commons.lang.ICloneable

getClone

Constructor Detail

AbstractMultiWeakHashMap

public AbstractMultiWeakHashMap()

AbstractMultiWeakHashMap

public AbstractMultiWeakHashMap(@Nonnull
                                KEYTYPE aKey,
                                @Nullable
                                VALUETYPE aValue)

AbstractMultiWeakHashMap

public AbstractMultiWeakHashMap(@Nonnull
                                KEYTYPE aKey,
                                @Nullable
                                COLLTYPE aCollection)

AbstractMultiWeakHashMap

public AbstractMultiWeakHashMap(@Nullable
                                Map<? extends KEYTYPE,? extends COLLTYPE> aCont)

Method Detail

createNewCollection

@Nonnull
 @ReturnsMutableCopy
protected abstract COLLTYPE createNewCollection()

getOrCreate

@Nonnull
public COLLTYPE getOrCreate(@Nullable
                                      KEYTYPE aKey)

Description copied from interface: IMultiMap

Get or create the collection of the specified key.

Specified by:

getOrCreate in interface IMultiMap<KEYTYPE,VALUETYPE,COLLTYPE extends com.helger.commons.collection.impl.ICommonsCollection<VALUETYPE>>

Parameters:

aKey - The key to use. May not be null.

Returns:

The mutable collection to be used. Never null.