com.hazelcast.multimap.impl

Class ValueCollectionFactory

java.lang.Object

com.hazelcast.multimap.impl.ValueCollectionFactory

public final class ValueCollectionFactory
extends Object

MultiMap values are backed by collections which are created by static factory methods in this class.

Method Summary

Modifier and Type	Method and Description
static <T> Collection<T>	createCollection(Collection collection) Creates a same type collection with the given collection depending on the MultiMapConfig.valueCollectionType.
static <T> Collection<T>	createCollection(MultiMapConfig.ValueCollectionType collectionType) Picks right collection type, like Set or List depending on the MultiMapConfig.valueCollectionType and creates it.
static <T> Collection<T>	createCollection(MultiMapConfig.ValueCollectionType collectionType, int initialCapacity) Picks right collection type, like Set or List depending on the MultiMapConfig.valueCollectionType and creates it.
static <T> Collection<T>	emptyCollection(MultiMapConfig.ValueCollectionType collectionType) Picks right empty collection type, like Collections.emptySet() or Collections.emptyList() )} depending on the MultiMapConfig.valueCollectionType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createCollection

public static <T> Collection<T> createCollection(MultiMapConfig.ValueCollectionType collectionType)

Picks right collection type, like Set or List depending on the MultiMapConfig.valueCollectionType and creates it.

Parameters:

collectionType - one of MultiMapConfig.ValueCollectionType.SET or MultiMapConfig.ValueCollectionType.LIST

Returns:

Set or List depending on the collectionType argument

Throws:

IllegalArgumentException - if collectionType is unknown

createCollection

public static <T> Collection<T> createCollection(Collection collection)

Creates a same type collection with the given collection depending on the MultiMapConfig.valueCollectionType.

Parameters:

collection - to be asked to return a new appropriate implementation instance according to MultiMapConfig.ValueCollectionType

Returns:

Set or List depending on the collectionType argument

Throws:

IllegalArgumentException - if collectionType is unknown

createCollection

public static <T> Collection<T> createCollection(MultiMapConfig.ValueCollectionType collectionType,
                                                 int initialCapacity)

Picks right collection type, like Set or List depending on the MultiMapConfig.valueCollectionType and creates it.

Parameters:

collectionType - one of MultiMapConfig.ValueCollectionType.SET or MultiMapConfig.ValueCollectionType#LIST

initialCapacity - if smaller than or equals to 0 falls back to default initial capacity of corresponding collection.

Returns:

Set or List depending on the collectionType argument

Throws:

IllegalArgumentException - if collectionType is unknown

emptyCollection

public static <T> Collection<T> emptyCollection(MultiMapConfig.ValueCollectionType collectionType)

Picks right empty collection type, like Collections.emptySet() or Collections.emptyList() )} depending on the MultiMapConfig.valueCollectionType

Parameters:

collectionType - one of MultiMapConfig.ValueCollectionType#SET or MultiMapConfig.ValueCollectionType#LIST

Returns:

empty collection like Collections.emptySet() depending on the collectionType argument

Throws:

IllegalArgumentException - if collectionType is unknown