com.hazelcast.multimap.impl
Class ValueCollectionFactory

java.lang.Object
  com.hazelcast.multimap.impl.ValueCollectionFactory

public final class ValueCollectionFactory
extends Object

Multi-map values are backed by collections which are created by static factory methods in this class.

Method Summary

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

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

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

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