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[ODB1] Chapter 4 - JDO Metadata

A JDO metadata file is an XML file with a '.jdo' suffix, containing information ... a metadata file. The metadata is used first by the JDO Enhancer, and later by the JDO system. Therefore, at deployment, .jdo metadata files must be packaged with an application's .class files

[ODB1] Chapter 5 - JDO Connections

JDO ... for using JDO. Explanations on how to use this environment to do database operations, such as storing ... ="/database/jdo/manual/chapter6">Chapter 6). 5.1  javax.jdo

Which API should I use - JPA or JDO?

Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer ... applications. You can use JPA as the primary API, and if necessary, switch to JDO as a secondary API for special additional features that are supported only by JDO. Selecting the more popular API leads

JDO Reference (JavaDoc)

This reference contains the API documentation (similar to JavaDoc) of JDO 2.2. The content is derived from the original JDO documentation with some additions and notes. The most basic JDO types are: jdo" select="JDOHelper


javax.jdo Implementing Classes: jdo/JDOHelper" title="Class in javax.jdo">JDOHelper

JDO Predefined ID Classes

> jdo/id/classes"> Object IDs are used in many jdo/PersistenceManager">PersistenceManager methods ... String: jdo/annotations

JDO Annotations for Classes

JDO supports two modes of persistable classes that can be set by the following annotations: jdo/annotations/class" select="PersistenceCapable ... path="api/java/jdo/annotations/class" select="PersistenceAware">

JDO External Listeners

The following types can be used to implement external listener classes for JDO lifecycle events: jdo/event/listeners"> addInstanceLifecycleListner method either at thejdo/PersistenceManagerFactory

What is the Java Data Objects (JDO)?

The Java Data Objects (JDO) is another standard for accessing persistent data in ... (JPA), which is designated to be used with relational databases, JDO is designated to be used with both relational and object databases. JDO is supported by many object databases, including ObjectDB

JDO Annotations for Mapping (ORM)

The following JDO annotations and enums are designated for mapping a JDO object model to a relational database, and are not required by ObjectDB: jdo/annotations/orm"> ObjectDB silently ignores all the above annotations.