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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

Database Replication and Clustering

. This could help in achieving high availability , fault tolerance and prompt disaster recovery. In ... the connection will automatically switch (temporarily) to the next available URL (i.e. in this example to the slave database) until the first URL becomes 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

Database Management Settings

that should be available for the recovery file (ObjectDB might use more space when necessary). The element ... is usually larger than the number of available CPU cores, but not too large, to avoid thread competition

JPA Entity Fields

contain data that is not stored as part of the entity in the database, but is still available ... side is stored in the database. Special settings are available for inverse fields whose type is List or

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 Entity Objects

of all the persistent fields. As seen, the entire graph of objects is available for navigation ... is available in objects that are detached. JPA 2 introduces methods for checking if a specified entity object

Shared (L2) Entity Cache

. If an entity object is not available also in the shared cache - it is retrieved from the database and added ... if the shared cache is used on retrieval. Two values are available for this property as constants

BIRT/ODA ObjectDB Driver

with BIRT and JPA tutorial. Driver Installation The driver is available as an Eclipse for Java EE ... ] window and selecting  New Data Source . Select ObjectDB Data Source from the list of available

Database Explorer

database files when class and metadata files are not available . Some features of the Explorer ... methods can be supported by the Explorer only when the code of these methods is available using

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 (journal) files. Recording is enabled by default and can be disabled in the configuration . The ObjectDB Replayer tool can apply recorded database operations on a matching database backup (if available ). This ability

Setting and Tuning of JPA Queries

). This could be useful when the shared L2 cache is enabled and entity objects may already be available in the cache

Detached Entity Objects

again. Detached objects are useful in situations in which an EntityManager is not available

Strings in JPQL and Criteria Queries

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

FROM clause (JPQL / Criteria API)

that all the database objects are available in memory for navigation. But this feature

Date and Time in JPQL and Criteria Queries

and time parts are also available in criteria queries by using the generic CriteriaBuilder 's function

Collections in JPQL and Criteria Queries

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

Logical Operators in JPQL and Criteria API

, isLarge); // Either OECD member or large Additional factory methods are available for a variant number

Numbers in JPQL and Criteria Queries

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

JPA Class Enhancer

;         ... ... Complete ObjectDB Maven projects are available for download

JPA Named Queries

classes must be available . ObjectDB makes the definition of a persistence unit optional. Named queries

ObjectDB License

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

WHERE clause (JPQL / Criteria API)

. Practically, if a proper index is available , filtering is done earlier during FROM iteration. In

ObjectDB - JPA Object Database for Java

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

JPA Query API

Queries are represented in JPA 2 by two interfaces - the old Query interface, which was the only interface available for representing queries in JPA 1, and the new TypedQuery interface that was introduced in JPA 2. The TypedQuery interface extends the Query interface. In JPA 2 the Query interface

Query Parameters in JPA

with the same query string and use a cached compiled query program , if available . Secondly

Database Connection using JPA

that is available via the getTransaction method: try { em. getTransaction (). begin (); // Operations that modify

JPA Persistence Unit

annotations). Otherwise, the generators and named queries are available only when the containing

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

Spring MVC and JPA Tutorial

are stored in 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

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

JPA Web Application Tutorial

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

Getting Started with JPA

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

[ODB1] Chapter 9 - ObjectDB Explorer

more than 64MB of memory. If you need to run the Explorer with increased available memory, you can use the -Xmx ... in chapter 4 ) must be available , otherwise the load operation will fail. A change to the class ... all the changes of the current transaction only to the new database file. This command is available

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

[ODB1] Chapter 7 - JDOQL Queries

classes in queries, the user code must be available . In embedded mode, user classes are always available . In client-server mode, on the other hand, the classes are usually available on the client

[ODB1] Chapter 1 - About ObjectDB

code. The JDO API is available today for most relational database systems (RDBMS), e.g. Oracle, IBM ... for Java/JDO is available in three editions: Free, Embedded and Server. Server Database Edition ... directory of the web application, and database support (in embedded mode) is made available .

[ODB1] Chapter 6 - Persistent Objects

(a complete list of persistent types is available at section 3.2 ). ObjectDB provides an additional ... on the server side in client-server mode. Retrieval by an Object ID If an object ID instance, oid , is available

[ODB1] Chapter 8 - ObjectDB Server

. There are several implementations of SSL available for Java. ObjectDB uses the JSSE implementation, which is integrated in

Which API should I use - JPA or JDO?

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

[ODB1] Chapter 4 - JDO Metadata

are available for array, collection and map fields: A element representing a persistent field whose type