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2

ManyToMany.cascade

Annotation Element javax.persistence.ManyToMany CascadeType[] cascade (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 to the map value. Defaults to no operations being cascaded. Default value: {} Since: JPA 1.0
2

javax.persistence.SecondaryTable

that all persistent fields or properties of the entity are mapped to the primary table ... specified by the Column and JoinColumn annotations and constraints entailed by primary key mappings
2

javax.persistence.OptimisticLockException

, Object, LockModeType) EntityManager.find(Class, Object, LockModeType, java.util.Map) EntityManager.lock(Object, LockModeType) EntityManager.lock(Object, LockModeType, java.util.Map
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javax.persistence.metamodel.CollectionAttribute

() Is the attribute collection-valued (represents a Collection, Set, List, or Map). Is the attribute collection-valued (represents a Collection, Set, List, or Map). Returns: boolean indicating whether the attribute is collection-valued Since: JPA 2.0
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javax.persistence.metamodel.PluralAttribute

boolean isCollection() Is the attribute collection-valued (represents a Collection, Set, List, or Map). Is the attribute collection-valued (represents a Collection, Set, List, or Map). Returns: boolean
2

javax.persistence.EntityListeners

javax.persistence Annotation EntityListeners Target: Classes Specifies the callback listener classes to be used for an entity or mapped superclass. This annotation may be applied to an entity class or mapped superclass. Since: JPA 1.0 Learn how to define and use entity listeners in Chapter 3
2

OneToMany.cascade

Annotation Element javax.persistence.OneToMany CascadeType[] cascade (Optional) The operations that must be cascaded to the target of the association. Defaults to no operations being cascaded. When the target collection is a java.util.Map, the cascade element applies to the map value. Default value: {} Since: JPA 1.0
0

Value.embeddedMapping

Annotation Element javax.jdo.annotations.Value Embedded[] embeddedMapping The embedded mapping for the value. Returns: the embedded mapping for the value Default value: {} Since: JDO 2.1
0

Key.embeddedMapping

Annotation Element javax.jdo.annotations.Key Embedded[] embeddedMapping The embedded mapping for the key. Returns: the embedded mapping for the key Default value: {} Since: JDO 2.1
0

Discriminator.value

Annotation Element javax.jdo.annotations.Discriminator String value The value for the discriminator for objects of this class when using "value-map" strategy. Returns: The value for the discriminator for objects of this class when using "value-map" strategy 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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