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PersistenceUnit.unitName

Annotation Element javax.persistence.PersistenceUnit String unitName (Optional) The name of the persistence unit as defined in the persistence.xml file. If specified, the persistence unit for the entity manager factory that is accessible in JNDI must have the same name. Default value: "" Since: JPA 1.0
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PersistenceContext.unitName

Annotation Element javax.persistence.PersistenceContext String unitName (Optional) The name of the persistence unit as defined in the persistence.xml file. If the unitName element is specified, the persistence unit for the entity manager that is accessible in JNDI must have the same name. Default value: "" Since: JPA 1.0
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Constants.ORM_XSD_RESOURCE

Static Field javax.jdo.Constants String ORM_XSD_RESOURCE The name of the resource for the XML schema of the standard JDO object-relational mapping metadata file. Since: JDO 2.1
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Constants.ORM_XSD_NS

Static Field javax.jdo.Constants String ORM_XSD_NS The standard JDO object-repository mapping schema namespace. Constant value is http://java.sun.com/xml/ns/jdo/orm. Since: JDO 2.1
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javax.jdo.annotations.Serialized

javax.jdo.annotations Annotation Serialized Target: Fields (including property get methods) Annotation on a member (field or property) to indicate that the member is stored serialized. Such a member cannot be queried using JDOQL. Corresponds to xml attribute "serialized" in "field" and "property
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FetchGroup.DEFAULT

Static Field javax.jdo.FetchGroup String DEFAULT For use with addCategory and removeCategory calls. 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
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javax.jdo.annotations.Value

javax.jdo.annotations Annotation Value Target: Fields (including property get methods) Annotation for the value of a map relation. Corresponds to the xml element "value". Since: JDO 2.1 String column Name of the column to store the value in. Name of the column to store the value in. Returns
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javax.jdo.annotations.Persistent

javax.jdo.annotations Annotation Persistent Target: Fields (including property get methods) Annotation for defining the persistence of a member. This corresponds to the xml elements "field" and "property". Since: JDO 2.1 String cacheable Whether this field/property is cacheable in a Level2 cache
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javax.jdo.annotations.PersistenceAware

javax.jdo.annotations Annotation PersistenceAware Target: Classes Annotation to specify that the class is persistence-aware. If used, this is the only JDO annotation allowed on the class. This corresponds to the xml attribute persistence-modifier="persistence-aware" of the "class" element
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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 element "embedded". Since: JDO 2.1 Persistent[] members Members for this embedding. Members

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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