26 | EntityManager.refresh takes a long time GMT+04:00 2013 Person has a large number of relations, including relationsto itself with a cascade refresh: @OneToMany(mappedBy = "person", cascade = CascadeType.ALL) private List<OpenIdAuth> openIdAuths = new ArrayList<>(); @OneToMany(mappedBy = "person", cascade = CascadeType |
15 | Updating JPA Entity Objects can be cascaded from all the entity objects that have to be stored in the database, including from ... . If global cascade persist is enabled all the reachable entity objects that are not managed |
12 | javax.persistence.CascadeType<CascadeType> Defines the set of cascadable operations that are propagated to the associated entity. The value cascade=ALL is equivalent to cascade={PERSIST, MERGE, REMOVE, REFRESH, DETACH}. Since: JPA 1.0 CascadeType ALL Cascade all operations Cascade all operations Since: JPA 1.0 CascadeType DETACH Cascade |
10 | DELETE Queries in JPA/JPQLAs explained in chapter 2, entity objects can be deleted from the database by: Retrieving the entity objects into an EntityManager. Removing these objects from the EntityManager within an active transaction, either explicitly by calling the remove method or implicitly by a cascading operation |
10 | JPA Annotations for Relationships annotation enables configuring cascade and fetch policy, using the following enum types: Additional |
10 | javax.persistence.OneToMany that is the owner of the relationship. When the collection is a java.util.Map, the cascade element ... // In Customer class: @OneToMany(cascade=ALL, mappedBy="customer") public Set ... .class, cascade=ALL, mappedBy="customer") public Set getOrders() { return orders |
8 | javax.persistence.OneToOne[] cascade (Optional) The operations that must be cascaded to the target of the association. (Optional) The operations that must be cascaded to the target of the association. By default no operations are cascaded. Default value: {} Since: JPA 1.0 FetchType fetch (Optional) Whether the association |
7 | javax.persistence.ManyToMany; } Since: JPA 1.0 See Also: JoinTable CascadeType[] cascade (Optional) The operations that must be cascaded to the target of the association. (Optional) The operations that must be cascaded to the target of the association. When the target collection is a java.util.Map, the cascade element applies |
6 | javax.persistence.ManyToOne CascadeType[] cascade (Optional) The operations that must be cascaded to the target of the association. (Optional) The operations that must be cascaded to the target of the association. By default no operations are cascaded. Default value: {} Since: JPA 1.0 FetchType fetch (Optional |
4 | NullpointerException when execute a commit.objectdb.o.TVS.cascade(TVS.java:156) at com.objectdb.o.STA.Q(STA.java:476) at com.objectdb.o.STM.E(STM ... :169) at com.objectdb.o.TVS.cascade(TVS.java:156) at com.objectdb.o.STA.Q(STA.java:476) at com ... -to-one name="commitment" target-entity="test.FormalismData"> <cascade> <cascade-all /> </cascade |
