ObjectDB Database Search

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High availability and other pratical questions

availability with replication feature will be officially released (and documented)?   Thanks ... for client is available yet? that is what I have been waiting for before trying the embedded server

Last build is not available on Maven Repository

Is there some special reason why the last two builds of 2.3.3 are not available in your Maven repository? mosi0815 Ralph Moser Just checked and 2.3.3_06 was indeed missing (but 2.3.3_05 was there). It is available now (refresh your browser). I will check what went wrong. Thank you for reporting this. support Support

On ensuring ID available after persist

On ensuring ID available after persist

Accessing objects to make them available after EntityManager close?!

Accessing objects to make them available after EntityManager close?!

Database Replication and Clustering

. This configuration helps achieve high availability , fault tolerance, and prompt disaster recovery ... switches to the next available URL in the list (the slave database in this case) until the first URL is available again.

Privacy Policy

You with services available through the Website and to enable You to use some of its features. They help ... services), which allow Us to collect statistical data regarding the use of services available ... can give You access to different functionalities of the Service that are available to You as a registered user

Eclipse Public License - v 1.0

for the Program is available from such Contributor, and informs licensees how to obtain it in a reasonable manner on or through a medium customarily used for software exchange. When the Program is made available in source code form: a) it must be made available under this Agreement; and b) a copy

JPA Entity Fields

data that isn't stored as part of the entity in the database. Instead, this data is made available by ... the database. Special settings are available for inverse fields of type List or Map . For an inverse list field

Is ObjectDB better than competing object databases?

. Another advantage of using a popular API such as JPA is the availability of experienced developers ... is also unique in supporting features that are usually available only in relational databases. For example

Retrieving JPA Entities

, the entire object graph is available for navigation, regardless of the fetch policy. The fetch ... that has already been fetched from the database is available in detached objects. JPA provides methods to check

BIRT/ODA ObjectDB Driver

and JPA tutorial. Driver installation The driver is available as an Eclipse for Java EE Developers ... and selecting New Data Source . Select ObjectDB Data Source from the list of available data source types

JPA Persistence Unit

the string com.objectdb.jpa.Provider . If this element is omitted, the first available JPA implementation ... queries are available only after their containing classes become known to ObjectDB--for example, when the first instance of a class is stored in the database.

Database Management Settings

than the number of available CPU cores but not so large that it causes performance degradation from

Apache License, Version 2.0, January 2004

mean the work of authorship, whether in Source or Object form, made available under the License, as

Database Transaction Replayer

ObjectDB can record its internal engine operations in special binary recording files (journal files). Recording is disabled by default and can be enabled in the configuration . The ObjectDB Replayer tool can apply recorded database operations to a matching database backup, if available

Setting and Tuning of JPA Queries

. This mode can be useful when the shared L2 cache is enabled and entities might already be available in

Detached JPA Entities

objects are useful when an EntityManager is not available or for transferring objects between different

Strings in JPQL and Criteria Queries

that are described above are also available as JPA criteria query expressions. The CriteriaBuilder

FROM clause (JPQL / Criteria API)

that all database objects are available in memory for navigation. However, this feature can also cause

Date and Time in JPQL and Criteria Queries

to reflect the current date and time. Functions for extracting date and time parts are also available in

Collections in JPQL and Criteria Queries

are also available as JPA criteria query expressions. The CriteriaBuilder interface provides factory

Logical Operators in JPQL and Criteria API

or large Additional factory methods are available that accept a variable number of predicates

Auto Generated Values

Marking a field with the @GeneratedValue annotation indicates that the field's value is automatically generated. This annotation is primarily for primary key fields, but ObjectDB also supports it for non-key numeric persistent fields. The following sections explain the available value generation

Numbers in JPQL and Criteria Queries

and functions (which are described above) are available also as JPA criteria query expressions

JPA Class Enhancer

.* ... ... Complete ObjectDB Maven projects are available for download on the Tutorial pages: Quick Start

JPA Named Queries

persistable classes must be available at runtime to locate any named query. ObjectDB makes

ObjectDB License

is available through the Forum and via Issue Tracking . If you are interested in private priority

WHERE clause (JPQL / Criteria API)

between the FROM and SELECT clauses. In practice, if a suitable index is available , the database

ObjectDB - JPA Object Database for Java

, forums, tutorials, articles). Availability of experienced developers and easier learning curve

JPA Runtime Tuning & Configuration

to the database. Available options are AUTO (flush before queries and at commit) and COMMIT (flush

Query Parameters in JPA

, compiled query program if one is available . This is true even if a new TypedQuery instance

JPA Connections and Transactions

has an associated EntityTransaction instance that is available through the getTransaction method: try

Database Explorer

is available on the specified classpath. The Fonts tab The Fonts tab is used to customize

JPA Listeners & Callbacks Annotations

to the database, making the generated primary key available . Update events Handle events triggered

new objects not available in mappedBy associations

Given a mappedBy association: e.g: @OneToMany(mappedBy="department") public List employees;   creating a new mapped class, e.g. new Employee, won't result in this object being available in ... seeing that, in general, newly created objects are not immediately available in collection queries

DB persist operation results are not available for another Thread/EntityManager immdiately

a query. But there are not any results available . We debugged the problem. Thread B executes the query

jakarta.persistence.EntityManager

for the EntityManager , if available . The result of this method is implementation-specific. The unwrap ... the instance state to be available upon detachment, unless it was accessed by the application ... expect the instance state to be available upon detachment, unless it was accessed by the application

Spring MVC and JPA Tutorial

an ObjectDB database. This tutorial is available in the following versions: In addition, the demonstrated application is available as a Maven project:

Step 1: Create a Maven Web Project

the project node and checking that the  Run As Run on Server command is  available . If it is not available - you have to install Maven Integration for WTP and create a new project. To add

Java EE Web Tutorial

. This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:

JPA Web Application Tutorial

. This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:

Getting Started with JPA

this tutorial easily, even if you are completely new to JPA. This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:

JPA Web App Tutorial - Maven Project

.xml file) and port 8080 has to be available for the Jetty embedded server. No need to download

JPA Tutorials

are also available for download as ready to use Maven projects (which can be opened and used in Eclipse, NetBeans, IntelliJ IDEA and JDeveloper).

Java EE 6 JPA Tutorial - Eclipse Project

On Server . (this command is available only if Maven Integration for WTP is installed

Step 3: Create an ObjectDB Data Source

of available data source types. Enter data source name (e.g. ObjectDB Points ) and click Next . Specify

Spring MVC JPA Tutorial - Eclipse Project

. (this command is available only if Maven Integration for WTP is installed when the Maven

Spring MVC JPA Tutorial - Maven Project

), and port 8080 has to be available for the Jetty embedded server. It is not necessary to download

JPA Web App Tutorial - Eclipse Project

. (this command is available only if Maven Integration for WTP is installed when the Maven project

Which API should I use - JPA or JDO?

and extends the  availability of experienced developers, forums, IDEs support, tools, books