ObjectDB ObjectDB
Home » Search

Internal Website Search

11-20 of 200 resultsRefresh
53

get(map)

Method javax.persistence.criteria.Path Expression<M> get( MapAttribute<X,K,V> map ) Create a path corresponding to the referenced map-valued attribute. Parameters: map - map-valued attribute Returns: expression corresponding to the referenced attribute Since: JPA 2.0
53

join(map, jt)

Method javax.persistence.criteria.From MapJoin<X,K,V> join( MapAttribute<?,K,V> map, JoinType jt ) Create a join to the specified Map-valued attribute using the given join type. Parameters: map - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
53

join(map)

Method javax.persistence.criteria.From MapJoin<X,K,V> join( MapAttribute<?,K,V> map ) Create an inner join to the specified Map-valued attribute. Parameters: map - target of the join Returns: the resulting join Since: JPA 2.0
52

PluralAttribute.CollectionType.MAP

Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType MAP Map-valued attribute Since: JPA 2.0
5

Constants.PROPERTY_MAPPING_SCHEMA

Static Field javax.jdo.Constants String PROPERTY_MAPPING_SCHEMA Mapping "javax.jdo.mapping.Schema" Since: JDO 2.1
5

Constants.PROPERTY_MAPPING_CATALOG

Static Field javax.jdo.Constants String PROPERTY_MAPPING_CATALOG Mapping "javax.jdo.mapping.Catalog" Since: JDO 2.1
5

Constants.PROPERTY_MAPPING

Static Field javax.jdo.Constants String PROPERTY_MAPPING "javax.jdo.option.Mapping" Since: JDO 2.1 See Also: PersistenceManagerFactory.getMapping()
5

Constants.PMF_ATTRIBUTE_MAPPING

Static Field javax.jdo.Constants String PMF_ATTRIBUTE_MAPPING The name of the persistence manager factory element's "mapping" attribute. Since: JDO 2.1
5

Constants.OPTION_MAPPING_RELATION_SUBCLASS_TABLE

Static Field javax.jdo.Constants String OPTION_MAPPING_RELATION_SUBCLASS_TABLE "javax.jdo.option.mapping.RelationSubclassTable" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
5

Constants.OPTION_MAPPING_NON_JOINED_TABLE_PER_CONCRETE_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_NON_JOINED_TABLE_PER_CONCRETE_CLASS "javax.jdo.option.mapping.NonJoinedTablePerConcreteClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support
About ObjectDB Getting Started Support
DBMS Features Quick Tour with JPA ObjectDB FAQ
Editions and Prices JPA Console Tutorial ObjectDB Manual
Licence Web App Tutorial Forum
Attributions Java EE JPA Tutorial Issue Tracking
Privacy Spring MVC JPA Tutorial Website Search
Terms of Use Download ObjectDB Contact Us

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.