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javax.jdo.annotations.Unique

javax.jdo.annotations Annotation Unique Target: Classes and fields (including property get methods) Annotation for a database unique constraint. Used for database schema generation to create unique ... table Table for the unique constraint. Table for the unique constraint. This is needed iff annotating
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javax.jdo.annotations.Embedded

javax.jdo.annotations Annotation Embedded Target: Fields (including property get methods) Annotation to define that the object is embedded into the table of the owning object. Corresponds to the xml ... for this embedding. Returns: the members embedded in the field or property being annotated Default value
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javax.jdo.annotations.Version

javax.jdo.annotations Annotation Version Target: Classes Annotation for the versioning of the class. Corresponds to the xml element "version" of the "class" and "property" elements. Since: JDO 2.1 ... for versioning objects of this class Default value: javax.jdo.annotations.VersionStrategy.UNSPECIFIED Since: JDO 2.1
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javax.jdo.annotations.DatastoreIdentity

javax.jdo.annotations Annotation DatastoreIdentity Target: Classes Annotation for the datastore identity of the class. Corresponds to the xml element "datastore-identity" of the "class" element ... : Strategy to use when generating datastore identities Default value: javax.jdo.annotations.IdGeneratorStrategy.UNSPECIFIED Since: JDO 2.1
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javax.jdo.annotations.Inheritance

javax.jdo.annotations Annotation Inheritance Target: Classes Annotation for the inheritance of the class. Corresponds to the xml element "inheritance" of the "class" and "interface" elements ... : the inheritance strategy Default value: javax.jdo.annotations.InheritanceStrategy.UNSPECIFIED Since: JDO 2.1
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javax.jdo.annotations.Discriminator

javax.jdo.annotations Annotation Discriminator Target: Classes Annotation for the discriminator of the class. Corresponds to the xml element "discriminator" of the "inheritance" element. Since: JDO 2 ... to use for the discriminator Default value: javax.jdo.annotations.DiscriminatorStrategy.UNSPECIFIED
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javax.jdo.annotations.Join

javax.jdo.annotations Annotation Join Target: Classes and fields (including property get methods) Annotation for the join of a relation. Corresponds to the xml element "join". Since: JDO 2.1 String ... ForeignKey on this join. Returns: the delete action Default value: javax.jdo.annotations.ForeignKeyAction
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javax.jdo.annotations.Index

javax.jdo.annotations Annotation Index Target: Classes and fields (including property get methods) Annotation for a database index. Used for database schema generation to create indexes. Corresponds ... annotating a type where the index is not defined on the primary table for the type. Returns
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javax.jdo.annotations.Cacheable

javax.jdo.annotations Annotation Cacheable Target: Classes and fields (including property get methods) Annotation to specify that this class/field/property is cacheable in a Level 2 cache. This corresponds to the xml attribute "cacheable" of the "class", "field" and "property" elements. Since: JDO
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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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