Fast Object Database for Java - with JPA/JDO support

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javax.persistence.UniqueConstraint

javax.persistence Annotation UniqueConstraint Target: Specifies that a unique constraint is to be included in the generated DDL for a primary or secondary table. Example: @Entity @Table( name="EMPLOYEE", uniqueConstraints= @UniqueConstraint(columnNames={"EMP_ID
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Persistent.embeddedKey

Annotation Element javax.jdo.annotations.Persistent String embeddedKey Whether the keys of this member are embedded. Returns: whether the keys of this member are embedded Default value: "" Since: JDO 2.1
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javax.persistence.criteria.Path

javax.persistence.criteria Interface Path Superinterfaces: Expression, Selection, TupleElement Subinterfaces: CollectionJoin, From, Join, ListJoin, MapJoin, PluralJoin, Root, SetJoin Represents a simple or compound attribute path from a bound type or collection, and is a "primitive
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PersistenceModifier.PERSISTENT

Enum Constant javax.jdo.annotations.PersistenceModifier PERSISTENT Since: JDO 2.1
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javax.persistence.criteria.CriteriaBuilder.Case

javax.persistence.criteria Interface CriteriaBuilder.Case Superinterfaces: Expression, Selection, TupleElement Interface used to build general case expressions. Case conditions are evaluated in the order in which they are specified. Since: JPA 2.0 Selection alias(String name) Assigns
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Constants.ANONYMOUS_PERSISTENCE_MANAGER_FACTORY_NAME

Static Field javax.jdo.Constants String ANONYMOUS_PERSISTENCE_MANAGER_FACTORY_NAME The name of the anonymous PersistenceManagerFactory, which is the empty string. Since: JDO 2.1
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ObjectState.HOLLOW_PERSISTENT_NONTRANSACTIONAL

Enum Constant javax.jdo.ObjectState HOLLOW_PERSISTENT_NONTRANSACTIONAL Since: JDO 1.0
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javax.persistence.PrimaryKeyJoinColumns

javax.persistence Annotation PrimaryKeyJoinColumns Target: Classes and fields (including property get methods) Groups PrimaryKeyJoinColumn annotations. It is used to map composite foreign keys. Example: ValuedCustomer subclass @Entity @Table(name="VCUST") @DiscriminatorValue("VCUST
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javax.persistence.IdClass

javax.persistence Annotation IdClass Target: Classes Specifies a composite primary key class that is mapped to multiple fields or properties of the entity. The names of the fields or properties in the primary key class and the primary key fields or properties of the entity must correspond
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JDOPermission.CLOSE_PERSISTENCE_MANAGER_FACTORY

Static Field javax.jdo.spi.JDOPermission JDOPermission CLOSE_PERSISTENCE_MANAGER_FACTORY An instance of JDOPermission to be used for closePersistenceManagerFactory permission checking. Since: JDO 1.0.1

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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