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Get Involved
How do I contribute (e.g. give feedback, fix bugs, etc.)? Reporting Bugs Contacting Us Contributing as a Non-Committer Becoming a Committer How do I contribute (e.g. give fe... -
Object Retrieval
Retrieve an object from its identity Retrieve an object based on its Extent Retrieve an object based on a query criteria Any application will require access to persisted object... -
Glossary
JDO utilizes some terminology used elsewhere (e.g. Java EE) but also introduces some terminology that may be new to people. Below is a glossary of some common terms that may be en... -
JDO Helper
PersistenceManagerFactory methods Persistence methods Lifecycle methods JDO provides a standard utility that gives access to useful parts of the JDO persistence process. This i... -
Getting Started
Using JDO requires several components that work together: a database that stores your data persistently an application that operates through the JDO layers on the database a JDO... -
FAQ
What is JDO? I’d like to find out more about the project and possibly contribute. What do I do next? Where is the mailing list, and how can I subscribe? Does this project use a ... -
Transactions
Locking Non-Transactional When managing the persistence of objects using a PersistenceManager it is common to handle all datastore operations in a transaction. For this reason ... -
Methods
String Methods Collection Methods List Methods Map Methods Temporal Methods Enum Methods Optional Methods Other Methods When writing the “filter” for a JDOQL Query you can... -
Downloads
Maven (convenience binary) About JDO Releases Verifying Releases To develop your own code to use or implement JDO, you can use the links below to download Apache JDO from an of... -
Data Replication
There are times when you need to replicate data between datastores. In many cases datastores themselves provide a means of doing this, however if you want to avoid using datastore...
