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FAQ
20

Which API should I use - JPA or JDO?

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer JPA JPA is more commonly used. Therefore, it might be the first choice for most new applications. You can use JPA as the primary
Tutorial
20

Step 1: Install BIRT and ObjectDB Driver

We start by installing the BIRT development environment and the ObjectDB data source driver ... , and finally approving the installation and restarting the IDE. Installing the ObjectDB Data Source Driver To install the ObjectDB data source driver for BIRT: Open the [Install] dialog box by selecting Help
JDO Doc
18

setResult(data)

Method javax.jdo.Query void setResult(   String data ) Specifies what type of data this query should return. If this is unset or set to null, this query returns instances of the query's candidate ... function results. Parameters: data - a comma-delimited list of expressions (fields, functions
Result
18

Eclipse Public License - v 1.0

, if any, and such derivative works, in source code and object code form. b) Subject to the terms ... the Contribution of such Contributor, if any, in source code and object code form. This patent ... by that Contributor alone and not by any other party; and iv) states that source code
Tutorial
14

Step 3: Define a Spring DAO Component

Operations on the database will be performed by an instance of a Data Access Object (DAO ... clicking the guest package node (in the [Projects] window under Source Packages) and selecting New ... the content of the new source file with the following code: package guest; import java.util.List
Result
14

Eclipse Distribution License - v 1.0

and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice ... GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Forum
13

Spring Data JPA

Hello! When i configure Spring Data JPA to use ObjectDB 2.4.0_03 i get an exception ... .getMetamodel(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun ... $SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:176) at $Proxy432.getMetamodel(Unknown Source
Forum
13

can not use spring-data-jpa repository with NamedQuery

:310) at $Proxy24.getParameters(Unknown Source) at org.springframework.data.jpa.repository.query ... in spring-data-jpa named queries are used to implement repository interface methods, see http://static.springsource.org/spring-data/data-jpa/docs/current/reference/html/#jpa.query-methods.named
Tutorial
13

Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using the popular open source Business Intelligence and Reporting Tools (BIRT). In order to keep things as ... on the following subset of these points:     (11, 11), (12, 12), ..., (20, 20) The data
Forum
13

Spring Data JPA - PersistenceException thrown

(Unknown Source) at org.springframework.data.jpa.repository.config ... (AbstractEntityManagerFactoryBean.java:541) at com.sun.proxy.$Proxy13.getMetamodel(Unknown Source) at org.springframework.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.getMetamodels