Package org.infinispan.multimap.impl

Class EmbeddedSetCache<K,V>

java.lang.Object

org.infinispan.multimap.impl.EmbeddedSetCache<K,V>

public class EmbeddedSetCache<K,V>
extends Object

SetCache with Set methods implementation

Since:

15.0

Author:

Vittorio Rigamonti

Field Summary

Fields

Modifier and Type	Field	Description
protected final AdvancedCache<K,SetBucket<V>>	cache
protected final InternalEntryFactory	entryFactory
static final String	ERR_KEY_CAN_T_BE_NULL
static final String	ERR_VALUE_CAN_T_BE_NULL
protected final FunctionalMap.ReadWriteMap<K,SetBucket<V>>	readWriteMap

Constructor Summary

Constructors

Constructor	Description
EmbeddedSetCache(Cache<K,SetBucket<V>> cache)

Method Summary

Modifier and Type	Method	Description
CompletionStage<Long>	add(K key, Collection<V> values)	Add the specified elements to the set, creates the set in case
CompletionStage<Long>	add(K key, V value)	Add the specified element to the set, creates the set in case
CompletionStage<Boolean>	exists(K key)	Check whether the given set exists.
CompletionStage<SetBucket<V>>	get(K key)	Get the entry by key and return it as a set
CompletableFuture<Map<K,SetBucket<V>>>	getAll(Set<K> keys)	Get all the entries specified in the keys collection
CompletionStage<Set<V>>	getAsSet(K key)	Get the entry by key and return it as a set
CompletionStage<List<Long>>	mIsMember(K key, V... elements)	Returns a list L of 0/1.
CompletionStage<Collection<V>>	pop(K key, Long count, boolean remove)	Return a collection representign a subset of the set
CompletionStage<Long>	remove(K key, Collection<V> values)	Remove the specified elements from the set, remove the set if empty
CompletionStage<Long>	remove(K key, V value)	Remove the specified element to the set, removes the set if empty
CompletionStage<Long>	set(K key, Collection<V> values)	Create the set with given values
CompletionStage<Long>	size(K key)	Returns the number of elements in the set.

Methods inherited from class java.lang.Object

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

Field Details

ERR_KEY_CAN_T_BE_NULL

public static final String ERR_KEY_CAN_T_BE_NULL

See Also:

• Constant Field Values

ERR_VALUE_CAN_T_BE_NULL

public static final String ERR_VALUE_CAN_T_BE_NULL

See Also:

• Constant Field Values

readWriteMap

protected final FunctionalMap.ReadWriteMap<K,SetBucket<V>> readWriteMap

cache

protected final AdvancedCache<K,SetBucket<V>> cache

entryFactory

protected final InternalEntryFactory entryFactory

Constructor Details

EmbeddedSetCache

public EmbeddedSetCache(Cache<K,SetBucket<V>> cache)

Method Details

get

public CompletionStage<SetBucket<V>> get(K key)

Get the entry by key and return it as a set

Parameters:

key - , the name of the set

Returns:

the set with values if such exist, or null if the key is not present

getAsSet

public CompletionStage<Set<V>> getAsSet(K key)

Get the entry by key and return it as a set

Parameters:

key - , the name of the set

Returns:

the set with values if such exist, or null if the key is not present

exists

public CompletionStage<Boolean> exists(K key)

Check whether the given set exists.

Parameters:

key - : The name of the set.

Returns:

true, if it exists, false, otherwise.

add

public CompletionStage<Long> add(K key,
 V value)

Add the specified element to the set, creates the set in case

Parameters:

key - , the name of the set

value - , the element to be inserted

Returns:

CompletionStage containing a Void

add

public CompletionStage<Long> add(K key,
 Collection<V> values)

Add the specified elements to the set, creates the set in case

Parameters:

key - , the name of the set

value - , the element to be inserted

Returns:

CompletionStage containing a Void

remove

public CompletionStage<Long> remove(K key,
 V value)

Remove the specified element to the set, removes the set if empty

Parameters:

key - , the name of the set

value - , the element to be inserted

Returns:

CompletionStage containing a Void

remove

public CompletionStage<Long> remove(K key,
 Collection<V> values)

Remove the specified elements from the set, remove the set if empty

Parameters:

key - , the name of the set

value - , the element to be inserted

Returns:

CompletionStage containing a Void

getAll

public CompletableFuture<Map<K,SetBucket<V>>> getAll(Set<K> keys)

Get all the entries specified in the keys collection

Parameters:

keys - , collection of keys to be get

Returns:

CompletionStage containing a invalid input: '{@link /*missing*/}'

size

public CompletionStage<Long> size(K key)

Returns the number of elements in the set. If the entry does not exit, returns size 0.

Parameters:

key - , the name of the set

Returns:

CompletionStage containing a Long

set

public CompletionStage<Long> set(K key,
 Collection<V> values)

Create the set with given values

Parameters:

key - , the name of the set

values - , the elements to be inserted

Returns:

CompletionStage containing the number of elements

pop

public CompletionStage<Collection<V>> pop(K key,
 Long count,
 boolean remove)

Return a collection representign a subset of the set

Parameters:

key - , the name of the set

count - , the number of elements to return

Returns:

CompletionStage the random subset elements

mIsMember

public CompletionStage<List<Long>> mIsMember(K key,
 V... elements)

Returns a list L of 0/1. L(i) = 1 if the set contains elements(i)

Parameters:

key - , the name of the set

elements - , list of elements

Returns:

CompletionStage containing a List or null if elements null or empty