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4

javax.persistence.ManyToMany

fetch (Optional) Whether the association should be lazily loaded or must be eagerly fetched. (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy ... fetched. The LAZY strategy is a hint to the persistence provider runtime. Default value: javax
4

javax.persistence.ManyToOne

no operations are cascaded. Default value: {} Since: JPA 1.0 FetchType fetch (Optional) Whether the association should be lazily loaded or must be eagerly fetched. (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement
4

javax.persistence.OneToMany

.Map, the cascade element applies to the map value. Default value: {} Since: JPA 1.0 FetchType fetch (Optional) Whether the association should be lazily loaded or must be eagerly fetched. (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy
4

javax.persistence.OneToOne

are cascaded. Default value: {} Since: JPA 1.0 FetchType fetch (Optional) Whether the association should be lazily loaded or must be eagerly fetched. (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider
4

javax.persistence.ElementCollection

2.0 FetchType fetch (Optional) Whether the collection should be lazily loaded or must be eagerly fetched. (Optional) Whether the collection should be lazily loaded or must be eagerly fetched ... must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. Default value
0

javax.jdo.annotations.FetchGroups

javax.jdo.annotations Annotation FetchGroups Target: Classes Annotation for a group of fetch-group objects Since: JDO 2.1 FetchGroup[] value The Fetch Groups The Fetch Groups Returns: The Fetch Groups Since: JDO 2.1
0

FetchGroup.DEFAULT

. This category includes members defined in the default fetch group in xml or annotations. Redefining the default fetch group via the API does not affect the members defined by this category. Using this category also sets the fetch-depth for the members in the default fetch group. Since: JDO 2.2
0

FetchPlan.fetchGroups

Annotation Element javax.jdo.annotations.FetchPlan String[] fetchGroups The fetch groups in this fetch plan. Returns: the fetch groups Default value: {} Since: JDO 2.1
0

setGroup(fetchGroupName)

Method javax.jdo.FetchPlan FetchPlan setGroup( String fetchGroupName ) Set the active fetch groups to the single named fetch group. Parameters: fetchGroupName - the single fetch group Returns: the FetchPlan Since: JDO 2.0
0

javax.jdo.annotations.FetchPlans

javax.jdo.annotations Annotation FetchPlans Target: Classes Annotation for a group of FetchPlan objects Since: JDO 2.1 FetchPlan[] value The Fetch Plans The Fetch Plans Returns: The Fetch Plans Since: JDO 2.1

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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