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java.lang.RuntimeException

java.lang Exception RuntimeException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException Implemented Interfaces: Serializable Subclasses: JDOException, PersistenceException RuntimeException() RuntimeException(String arg0) Parameters: arg0
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javax.persistence.TransactionRequiredException

Implemented Interfaces: Serializable Thrown by the persistence provider when a transaction is required
3

java.lang.Throwable

java.lang Class Throwable java.lang.Object java.lang.Throwable Implemented Interfaces: Serializable Subclasses: Exception The Throwable class is the superclass of all errors and exceptions in the Java language. Only objects that are instances of this class (or one of its subclasses) are thrown
3

java.security.BasicPermission

java.security Class BasicPermission java.lang.Object java.security.Permission java.security.BasicPermission Implemented Interfaces: Serializable, Guard Subclasses: JDOPermission BasicPermission(String arg0) Parameters: arg0 - BasicPermission(String arg0, String arg1) Parameters: arg0
3

javax.persistence.PersistenceContextType

javax.persistence Enum PersistenceContextType java.lang.Object java.lang.Enum<javax.persistence.PersistenceContextType> javax.persistence.PersistenceContextType Implemented Interfaces: Serializable, Comparable<PersistenceContextType> Specifies whether a transaction-scoped or extended
0

javax.jdo.JDODataStoreException

Implemented Interfaces: Serializable Subclasses: JDOObjectNotFoundException This class represents data
0

javax.jdo.identity.ShortIdentity

javax.jdo.identity Class ShortIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity javax.jdo.identity.ShortIdentity Implemented Interfaces: Externalizable, Serializable, Comparable This class is for identity with a single short field. Since: JDO 1.0 ShortIdentity
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javax.jdo.JDOFatalDataStoreException

.JDOFatalDataStoreException Implemented Interfaces: Serializable Subclasses: JDOOptimisticVerificationException This class
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javax.jdo.annotations.IdGeneratorStrategy

javax.jdo.annotations Enum IdGeneratorStrategy java.lang.Object java.lang.Enum<javax.jdo.annotations.IdGeneratorStrategy> javax.jdo.annotations.IdGeneratorStrategy Implemented Interfaces: Serializable, Comparable<IdGeneratorStrategy> Enumeration of the id generator strategy values
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javax.jdo.annotations.SequenceStrategy

javax.jdo.annotations Enum SequenceStrategy java.lang.Object java.lang.Enum<javax.jdo.annotations.SequenceStrategy> javax.jdo.annotations.SequenceStrategy Implemented Interfaces: Serializable, Comparable<SequenceStrategy> Enumeration of the sequence strategy values. 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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Which JPA is Faster?

 

See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB

in the JPA Benchmark.

Copyright © 2003, 2010, 2023  ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the open source JPA 2 RI (EclipseLink) and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.