io.jmix.core

Class EntitySet

java.lang.Object

com.google.common.collect.ForwardingObject

com.google.common.collect.ForwardingCollection<E>

com.google.common.collect.ForwardingSet<java.lang.Object>

io.jmix.core.EntitySet

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<java.lang.Object>, java.util.Collection<java.lang.Object>, java.util.Set<java.lang.Object>

public class EntitySet
extends com.google.common.collect.ForwardingSet<java.lang.Object>
implements java.io.Serializable

Implementation of Set<Entity> with convenient methods for getting entities by a prototype instance or by a class and id.

See Also:

get(Object), get(Class, Object), optional(Object), optional(Class, Object), Serialized Form

Constructor Summary

Constructors

Constructor and Description
EntitySet()
EntitySet(java.util.Collection entities)
EntitySet(java.util.Set<?> entities)

Method Summary

Modifier and Type	Method and Description
protected java.util.Set	delegate()
<T> T	get(java.lang.Class<T> entityClass, java.lang.Object entityId) Returns the entity if it exists in the set.
<T> T	get(T prototype) Returns the entity if it exists in the set.
static EntitySet	of(java.util.Collection<?> entities) Creates the EntitySet by copying the given collection to the internal set.
static EntitySet	of(java.util.Set<?> entities) Creates the EntitySet wrapping an existing set.
<T> java.util.Optional<T>	optional(java.lang.Class<T> entityClass, java.lang.Object entityId) Returns the entity wrapped in Optional if it exists in the set.
<T> java.util.Optional<T>	optional(T prototype) Returns the entity wrapped in Optional if it exists in the set.

Methods inherited from class com.google.common.collect.ForwardingSet

equals, hashCode, standardEquals, standardHashCode, standardRemoveAll

Methods inherited from class com.google.common.collect.ForwardingCollection

add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, standardAddAll, standardClear, standardContains, standardContainsAll, standardIsEmpty, standardRemove, standardRetainAll, standardToArray, standardToArray, standardToString, toArray, toArray

Methods inherited from class com.google.common.collect.ForwardingObject

toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Set

add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

EntitySet

public EntitySet()

EntitySet

public EntitySet(java.util.Set<?> entities)

EntitySet

public EntitySet(java.util.Collection entities)

Method Detail

of

public static EntitySet of(java.util.Set<?> entities)

Creates the EntitySet wrapping an existing set.

of

public static EntitySet of(java.util.Collection<?> entities)

Creates the EntitySet by copying the given collection to the internal set.

optional

public <T> java.util.Optional<T> optional(java.lang.Class<T> entityClass,
                                          java.lang.Object entityId)

Returns the entity wrapped in Optional if it exists in the set.

Parameters:

entityClass - class of entity

entityId - entity id

optional

public <T> java.util.Optional<T> optional(T prototype)

Returns the entity wrapped in Optional if it exists in the set.

Parameters:

prototype - a prototype instance whose class and id are used to look up an entity in the set.

get

public <T> T get(java.lang.Class<T> entityClass,
                 java.lang.Object entityId)

Returns the entity if it exists in the set.

Parameters:

entityClass - class of entity

entityId - entity id

Throws:

java.lang.IllegalArgumentException - if the entity not found

get

public <T> T get(T prototype)

Returns the entity if it exists in the set.

Parameters:

prototype - a prototype instance whose class and id are used to look up an entity in the set.

Throws:

java.lang.IllegalArgumentException - if the entity not found

delegate

protected java.util.Set delegate()

Overrides:

delegate in class com.google.common.collect.ForwardingSet<java.lang.Object>