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javax.persistence.criteria.MapJoin

javax.persistence.criteria Interface MapJoin<Z,K,V> Superinterfaces: Expression<V>, FetchParent<Z,V>, From<Z,V>, Join<Z,V>, Path<V>, PluralJoin<Z,Map<K,V>,V>, Selection<V>, TupleElement<V> The MapJoin interface is the type of the result of joining to a collection over an association or element
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javax.persistence.Id

javax.persistence Annotation Id Target: Fields (including property get methods) Specifies the primary key of an entity. The field or property to which the Id annotation is applied should be one of the following types: any Java primitive type; any primitive wrapper type; String; java.util.Date; java
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javax.persistence.criteria.Order

javax.persistence.criteria Interface Order An object that defines an ordering over the query results. Since: JPA 2.0 Learn how to use JPA Criteria API's Order in Chapter 4 of the ObjectDB/JPA manual. Expression<?> getExpression() Return the expression that is used for ordering. Return
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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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javax.persistence.criteria.Path

javax.persistence.criteria Interface Path<X> Superinterfaces: Expression<X>, Selection<X>, TupleElement<X> 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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ObjectState.PERSISTENT_DELETED

Enum Constant javax.jdo.ObjectState PERSISTENT_DELETED Since: JDO 1.0
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Persistent.embeddedValue

Annotation Element javax.jdo.annotations.Persistent String embeddedValue Whether the values of this member are embedded. Returns: whether the values of this member are embedded Default value: "" Since: JDO 2.1
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ObjectState.PERSISTENT_CLEAN

Enum Constant javax.jdo.ObjectState PERSISTENT_CLEAN Since: JDO 1.0
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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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PersistenceModifier.PERSISTENT

Enum Constant javax.jdo.annotations.PersistenceModifier PERSISTENT 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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