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javax.persistence Annotation ExcludeDefaultListeners Target: Classes Specifies that the invocation of default listeners is to be excluded for the entity class (or mapped superclass ... manual. This annotation is a marker annotation (with no elements).


javax.persistence Annotation OrderBy Target: Fields (including property get methods) Specifies ... annotation may be applied to an element collection. When OrderBy is applied to an element collection ... must be used to specify the attribute or attributes that determine the ordering. The OrderBy annotation


javax.persistence Annotation JoinTable Target: Fields (including property get methods) Used in the mapping of associations. It is specified on the owning side of an association. A join table ... . If the JoinTable annotation is missing, the default values of the annotation elements apply. The name


javax.persistence Annotation ManyToOne Target: Fields (including property get methods) Defines ... that is the owner of the relationship. The ManyToOne annotation may be used within an embeddable class ... annotation to specify the relationship field or property of the embeddable field or property on the owning


Annotation Element javax.jdo.annotations.Value ForeignKeyAction updateAction Update action to apply to any foreign key for the value. Returns: update action to apply to any foreign key for the value Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1


Annotation Element javax.jdo.annotations.Key ForeignKeyAction updateAction Update action to apply to the foreign key for the key. Returns: update action to apply to the foreign key for the key Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1


javax.jdo.annotations Enum InheritanceStrategy java.lang.Object java.lang.Enum<javax.jdo.annotations.InheritanceStrategy> javax.jdo.annotations.InheritanceStrategy Implemented Interfaces: Serializable, Comparable<InheritanceStrategy> Enumeration of the inheritance strategy values


Annotation Element javax.jdo.annotations.ForeignKey String table Table for the foreign key. This is needed iff annotating a type where the foreign key is not defined on the primary table for the type. Returns: the table on which the foreign key is defined Default value: "" Since: JDO 2.1


Annotation Element javax.jdo.annotations.Persistent IdGeneratorStrategy valueStrategy Value strategy to use to generate the value for this field or property (if any). Returns: the generated value strategy Default value: javax.jdo.annotations.IdGeneratorStrategy.UNSPECIFIED Since: JDO 2.1


javax.jdo.annotations Enum IdentityType java.lang.Object java.lang.Enum<javax.jdo.annotations.IdentityType> javax.jdo.annotations.IdentityType Implemented Interfaces: Serializable, Comparable<IdentityType> Enumeration of the identity type values. Since: JDO 2.1 IdentityType APPLICATION

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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