Fast Object Database for Java - with JPA/JDO support

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35

Bindable.BindableType.ENTITY_TYPE

Enum Constant javax.persistence.metamodel.Bindable.BindableType ENTITY_TYPE Entity type Since: JPA 2.0
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SqlResultSetMapping.entities

Annotation Element javax.persistence.SqlResultSetMapping EntityResult[] entities Specifies the result set mapping to entities. Default value: {} Since: JPA 1.0
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Type.PersistenceType.ENTITY

Enum Constant javax.persistence.metamodel.Type.PersistenceType ENTITY Entity Since: JPA 2.0
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JPA Primary Key

Every entity object that is stored in the database has a primary key. Once assigned, the primary key cannot be modified. It represents the entity object as long as it exists in the database. As ... that is absent from other object oriented databases. Entity Identification Every entity object in
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JPA Lifecycle Events

Callback methods are user defined methods that are attached to entity lifecycle events ... methods are methods that are defined within an entity class. For example, the following entity class defines all the supported callback methods with empty implementations: @Entity public static class
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JPQL query to get entities that does not have a child entity in their child entities

' and not 'Finished'. I have entities for Job and Status with NamedQueries on Job entity and using
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Eclipse/JPA Spring MVC Web Tutorial

is represented by a Guest JPA entity object and all the Guest entity objects are stored in an ObjectDB
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Spring MVC and JPA Tutorial

that has signed the guestbook is represented as Guest JPA entity object, and all Guest entity objects
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Chapter 6 - Configuration

The ObjectDB configuration file contains one root element with seven subelements: ... ... <entities> ... entities> ... ... ... ...
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NetBeans/JPA Spring MVC Web Tutorial

is represented by a Guest JPA entity object and all the Guest entity objects are stored in an ObjectDB

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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