Package com.helger.commons.collection.impl

Class CommonsHashMap<KEYTYPE,VALUETYPE>

java.lang.Object

java.util.AbstractMap<KEYTYPE,VALUETYPE>

java.util.HashMap<KEYTYPE,VALUETYPE>

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

Type Parameters:

KEYTYPE - Map key type

VALUETYPE - Map value type

All Implemented Interfaces:

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

public class CommonsHashMap<KEYTYPE,VALUETYPE>
extends HashMap<KEYTYPE,VALUETYPE>
implements ICommonsMap<KEYTYPE,VALUETYPE>

A special HashMap 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,V>, AbstractMap.SimpleImmutableEntry<K,V>

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor	Description
CommonsHashMap()
CommonsHashMap(int nInitialCapacity)
CommonsHashMap(int nInitialCapacity, float fLoadFactor)
CommonsHashMap(COLLTYPE[] aValues, Function<? super COLLTYPE,? extends KEYTYPE> aKeyMapper, Function<? super COLLTYPE,? extends VALUETYPE> aValueMapper)
CommonsHashMap(Collection<? extends COLLTYPE> aValues, Function<? super COLLTYPE,? extends KEYTYPE> aKeyMapper, Function<? super COLLTYPE,? extends VALUETYPE> aValueMapper)
CommonsHashMap(Map<? extends KEYTYPE,? extends VALUETYPE> aMap)
CommonsHashMap(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> CommonsHashMap<K,V>	createInstance()	Create a new empty map.
CommonsHashMap<KEYTYPE,VALUETYPE>	getClone()

Methods inherited from class java.util.HashMap

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

Methods inherited from class java.util.AbstractMap

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 Details

CommonsHashMap

public CommonsHashMap()

CommonsHashMap

public CommonsHashMap(@Nonnegative
 int nInitialCapacity)

CommonsHashMap

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

CommonsHashMap

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

CommonsHashMap

public CommonsHashMap(@Nullable
 COLLTYPE[] aValues,
 @Nonnull
 Function<? super COLLTYPE,? extends KEYTYPE> aKeyMapper,
 @Nonnull
 Function<? super COLLTYPE,? extends VALUETYPE> aValueMapper)

CommonsHashMap

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

CommonsHashMap

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

Method Details

createInstance

@Nonnull
@ReturnsMutableCopy
public <K,
V> CommonsHashMap<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 CommonsHashMap<KEYTYPE,VALUETYPE> getClone()

Specified by:

getClone in interface ICloneable<KEYTYPE>

Returns:

A 100% deep-copy of the implementing class.