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24

javax.persistence.EntityResult

javax.persistence Annotation EntityResult Target: Used to map the SELECT clause of a SQL query to an entity result. If this annotation is used, the SQL statement should select all of the columns that are mapped to the entity object. This should include foreign key columns to related entities
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javax.persistence.criteria.SetJoin

javax.persistence.criteria Interface SetJoin<Z,E> Superinterfaces: Expression<E>, FetchParent<Z,E>, From<Z,E>, Join<Z,E>, Path<E>, PluralJoin<Z,Set<E>,E>, Selection<E>, TupleElement<E> The SetJoin interface is the type of the result of joining to a collection over an association or element
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javax.persistence.PostPersist

javax.persistence Annotation PostPersist Target: Callback methods Is used to specify callback methods for the corresponding lifecycle event. This annotation may be applied to methods of an entity class, a mapped superclass, or a callback listener class. Since: JPA 1.0 Learn how to define and use
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javax.persistence.criteria.CompoundSelection

javax.persistence.criteria Interface CompoundSelection<X> Superinterfaces: Selection<X>, TupleElement<X> The CompoundSelection interface defines a compound selection item (tuple, array, or result of constructor). Since: JPA 2.0 Selection<X> alias(String name) Assigns an alias to the selection item
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javax.persistence.criteria.Subquery

javax.persistence.criteria Interface Subquery<T> Superinterfaces: AbstractQuery<T>, Expression<T>, Selection<T>, TupleElement<T> The Subquery interface defines functionality that is specific to subqueries. A subquery has an expression as its selection item. Since: JPA 2.0 Selection<X> alias(String
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javax.persistence.AttributeOverrides

javax.persistence Annotation AttributeOverrides Target: Classes and fields (including property get methods) Used to override mappings of multiple properties or fields. Example: @Embedded @AttributeOverrides({ @AttributeOverride(name="startDate
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javax.persistence.PreUpdate

javax.persistence Annotation PreUpdate Target: Callback methods Is used to specify callback methods for the corresponding lifecycle event. This annotation may be applied to methods of an entity class, a mapped superclass, or a callback listener class. Since: JPA 1.0 Learn how to define and use JPA
2

Persistent.dependentKey

Annotation Element javax.jdo.annotations.Persistent String dependentKey Whether the keys of this member are dependent. Returns: whether the keys of this member are dependent Default value: "" Since: JDO 2.1
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Persistent.dependentElement

Annotation Element javax.jdo.annotations.Persistent String dependentElement Whether the elements of this member are dependent. Returns: whether the elements of this member are dependent Default value: "" Since: JDO 2.1
2

Persistent.serializedValue

Annotation Element javax.jdo.annotations.Persistent String serializedValue Whether the values of this member are serialized. Returns: whether the values of this member are serialized Default value: "" 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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