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3

Defining a JPA Entity Class

objects from the database: package com.objectdb.tutorial; import javax.persistence.Entity ... sequential value generation. This is a very powerful feature of ObjectDB that is absent from other object oriented databases.
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Database Transaction Replayer

is useful for two different purposes: It enables recovery from a database failure by replaying ... the objectdb.jar file. It can be run from the command line: > java -cp objectdb.jar com.objectdb
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Setting and Tuning of JPA Queries

the cache. Setting Query Hint (Scopes) Query hints can be set in the following scopes (from global ... c FROM Country c",     hints={@QueryHint(name="javax.persistence.query.timeout", value="7000
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ObjectDB License Agreement [ver. 2.0.4]

to protect the Software from any use, reproduction, or distribution except specifically authorized by ... of the Software. This agreement will terminate immediately without notice from ObjectDB Software
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Step 6: Design a BIRT Report Table

In this final step we will add a simple table to the report: Open the [Insert Table] dialog box by dragging a Table from the [Palette] window and dropping it on the report design (.rptdesign) layout ... the third field and click OK. Fill the table with data by dragging the x and y columns from the data set
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Step 3: Create an ObjectDB Data Source

Explorer] window and selecting New Data Source. Select ObjectDB Data Source from the list of available ... connection url: Download and save the points.odb database file (from the Quick Start tutorial
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[ODB1] Chapter 1 - About ObjectDB

ObjectDB for Java/JDO is a powerful Object Database Management System (ODBMS) written entirely in Java. It can efficiently handle a wide range of database sizes, from a few KBs to hundreds of GBs ... remote databases and for database access of several processes simultaneously. Moving from one mode
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javax.jdo.spi.PersistenceCapable.ObjectIdFieldConsumer

: ObjectIdFieldManager This interface is used to store fields from the Object id instance. It is used by the method ... . This field was retrieved from the field of the ObjectId. Parameters: fieldNumber - the field number of the key field. value - the value of the field from the ObjectId. Since: JDO 1.0 void storeByteField(int
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javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier

) Fetch one field from the field manager. Fetch one field from the field manager. This field ... fetchByteField(int fieldNumber) Fetch one field from the field manager. Fetch one field from the field manager ... .0 char fetchCharField(int fieldNumber) Fetch one field from the field manager. Fetch one field from
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javax.jdo.Query

to obtain persistent instances, values, and aggregate data from the data store. The PersistenceManager ... There are two namespaces in queries. Type names have their own namespace that is separate from the namespace for fields ... interface imported by method declareImports, or denote a class or interface from the same package

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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