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jdoquery DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t... -
Result
Result type Aggregates Example - Use of aggregates As we have seen, a JDOQL query is made up of different parts. In this section we look at the result part of the query. The re... -
Issue Tracking
JIRA View Issues JIRA The JDO project uses JIRA to track issues. We use the following workflow for our JIRA issues: Open→Resolved(<→Reopened)→Closed When the engineer has ... -
Types of Classes
JDO provides a means of transparent persistence of objects of user defined classes. With JDO there are actually 3 types of classes. Persistence Capable classes are classes whose... -
jdoconfig DTD/XSD
Meta-Data - JDOConfig Meta-Data - JDOConfig JDO allows you to define a file jdoconfig.xml that specifies the properties for a named PMF. As always with XML, the metadata must ma... -
jdo DTD/XSD
Meta-Data - JDO Meta-Data - JDO JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type.... -
Specifications
JDO Final Specifications JDO Draft Specifications JDO Final Specifications The following specifications for JDO are available The JDO 3.2.1 Specification The JDO 3.2 Specifi... -
JDO v JPA : API
The two persistence standards in Java have very similar API’s on the face of it. Here we give a comparison of the method calls and their equivalent in the other API. Operation... -
Alibaba Cloud
Aliyun OSS configs Aliyun OSS Credentials Aliyun OSS Libs In this page, we explain how to get your Hudi spark job to store into Aliyun OSS. Aliyun OSS configs There are two c... -
Mailing Lists
There are several publicly available mailing lists for JDO. The user list is for general discussion of the Apache JDO project and JDO technology. The dev list is for internal disc...