Fast Object Database for Java - with JPA/JDO support

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javax.jdo.spi.JDOImplHelper

javax.jdo.spi Class JDOImplHelper java.lang.Object javax.jdo.spi.JDOImplHelper This class is a helper class for JDO implementations. It contains methods to register metadata for persistence ... . There is no security restriction on this access. JDO implementations get access to the functions provided by
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javax.jdo.annotations.Persistent

javax.jdo.annotations Annotation Persistent Target: Fields (including property get methods ... " and "property". Since: JDO 2.1 String cacheable Whether this field/property is cacheable in a Level2 cache. Whether this field/property is cacheable in a Level2 cache. Default value: "true" Since: JDO 2.2
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javax.jdo.Transaction

javax.jdo Interface Transaction The JDO Transaction interface provides for initiation ... may only be used with bean-managed transaction semantics. Since: JDO 1.0 void begin() Begin ... environment, or if the transaction is already active. Since: JDO 1.0 See Also: setOptimistic getOptimistic
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javax.jdo.FetchPlan

javax.jdo Interface FetchPlan Fetch groups are activated using methods on this interface ... of the Query or Extent's FetchPlan are not reflected in the FetchPlan of the PersistenceManager. Since: JDO ... with addGroup, removeGroup, and the various setGroups calls. Value: all. Since: JDO 2.0 String DEFAULT
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javax.jdo.spi.StateInterrogation

javax.jdo.spi Interface StateInterrogation This interface is implemented by a non-binary-compatible JDO implementation to provide state interrogation for non-enhanced persistent classes ... that implements this interface must be registered with the JDOImplHelper. Since: JDO 2.0 Object getObjectId
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javax.jdo.FetchGroup

javax.jdo Interface FetchGroup FetchGroup represents a named fetch group for a specific class or ... , it is unscoped. Since: JDO 2.2 String ALL For use with addCategory and removeCategory calls. For use ... . Since: JDO 2.2 String BASIC For use with addCategory and removeCategory calls. For use with addCategory
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javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager

javax.jdo.spi Interface PersistenceCapable.ObjectIdFieldManager Superinterfaces ... to implement both ObjectIdFieldSupplier and ObjectIdFieldConsumer. Since: JDO 1.0 boolean fetchBooleanField ... number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
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javax.jdo.annotations.Key

javax.jdo.annotations Annotation Key Target: Fields (including property get methods) Annotation for the key of a map relation. Corresponds to the xml element "key". Since: JDO 2.1 String column Name ... of the column to store the key in Default value: "" Since: JDO 2.1 Column[] columns The column(s) for the key
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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 ... : the name of the column to store the value in Default value: "" Since: JDO 2.1 Column[] columns The column
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javax.jdo.annotations.Element

javax.jdo.annotations Annotation Element Target: Fields (including property get methods) Annotation ... ". Since: JDO 2.1 String column Name of the column to store the element in. Name of the column to store the element in. Returns: name of the column to store the element in Default value: "" Since: JDO 2.1 Column

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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