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59

Failed to generate dynamic type objectdb.java.util.ArrayList

.InternalException: com.objectdb.o.UserException: Failed to generate dynamic type objectdb.java.util.ArrayList com.objectdb.o.UserException: Failed to generate dynamic type objectdb.java.util.ArrayList at com ... to generate dynamic type objectdb.java.util.HashSet com.objectdb.o.UserException: Failed to generate
54

Failed to enhance dynamic type

to generate dynamic type com.quasado.galaxy.foundation.api.language.LanguageContext I am curious why he does even try to generate dynamic type?? Can he simply ignore such things and enhance ... to overcome this by generating a dynamic synthetic type. Usually it succeed but in some cases it fails
54

How to create dynamic Entity class.

Hello, I was creating dynamic object to store data inside database. I am using javassist API to create dynamic class. Here i have written some code which is create dynamic class as well as object. Class and object successfully created. And insert data also now problem is only once object is created
53

com.objectdb.o.UserException: Failed to generate dynamic type

.UserException: Failed to generate dynamic type Entities.AbstractLong at com.objectdb.o.MSG.d(MSG ... .loadClass(ClassLoader.java:357) ... 17 more [ObjectDB 2.6.1_05] Failed to generate dynamic type
13

JPA Query API

because it introduces the Country class to ObjectDB. Dynamic JPQL, Criteria API and Named Queries ... above, is referred to in JPA as dynamic query construction because the query string can be built dynamically at runtime. The JPA Criteria API provides an alternative way for building dynamic queries, based
10

Dynamic Metadata (JDO 3.0)

JDO 3 introduces the ability to specify and query metadata of persistable types dynamically. ObjectDB 2 supports specifying metadata by: JPA XML Mapping Metadata JPA Annotations JDO XML Metadata (e.g ... at build time. Dynamic metadata enables specifying metadata at runtime, for example, for dynamically
10

JPA Queries

. "SELECT c FROM Country"). Criteria Query API Building dynamic queries with a structure that is known ... a cleaner alternative that enables building a dynamic query by using instances of special types ... instance. Building a dynamic query using the criteria API is managed by the CriteriaQuery interface
10

JPA Criteria API Queries

for building dynamic queries whose exact structure is only known at runtime. JPA Criteria API vs JPQL ... .g. as named queries) may be preferred. For dynamic queries that are built at runtime - the criteria API may be preferred. For example, building a dynamic query based on fields that a user fills
2

Step 1: Create a Web Project

We start by creating a new Eclipse Dynamic Web Project: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next. Choose a Project Name ... the dynamic web project. Now, add ObjectDB support to the new Eclipse Project - by dragging the objectdb.jar
2

Step 1: Create a Java EE 6 Web Project

We start by creating a new Java EE dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next. Choose ... 6 dynamic web project. To add ObjectDB/JPA support to the project, drag the objectdb.jar file from

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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