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15

Shared (L2) Entity Cache

The shared (L2) cache is configured in three scopes: Globally in the ObjectDB configuration ... Configuration The shared cache size is specified in the ObjectDB configuration:     <cache ... level2="0mb
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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 ... on a different physical device by setting the path attribute in the configuration. The recording directory
10

Database Schema Evolution

explicitly in the configuration to avoid data loss. The Schema Update section in chapter 6 explains how to specify such changes in the configuration file.
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Database Replication and Clustering

the configuration: <server>     <connection port="6001" max="100" />     <data path="$objectdb/db ... The configuration above demonstrates a situation in which the master database is managed by a server
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Working with JPA Entity Objects

the Configuration chapter. By default, managed entity objects that have not been modified or removed ... it and it is automatically removed from the persistence context. ObjectDB can be configured to use strong references or
3

Step 6: Set the Spring XML

of the Spring dispatcher servlet to the web.xml configuration file and to configure that servlet using another xml configuration file. Open the web.xml file (under Web Pages > WEB-INF) in a text editor (by right ... dispatcher servlet. Additional spring configuration is set in another XML file (whose name is derived from
3

Step 6: Set the Spring XML

of the Spring dispatcher servlet to the web.xml configuration file and to configure that servlet using another xml configuration file. Open the web.xml file (under src/main/webapp/WEB-INF) in a text editor (by ... suffix to the Spring dispatcher servlet. Additional spring configuration is set in another XML file
3

Spring MVC JPA Tutorial - IntelliJ Project

). Define Run Configuration: Select Run > Edit Configurations, click the + icon and select Tomcat ... + > Artifact... > Guestbook:war and click OK. Click OK again to close the Configurations dialog box. Run the project in IntelliJ IDEA: Select the new run configuration at the toolbar and click
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Step 2: Entity Class and Persistence Unit

with a default persistence unit (that will be configured later). If the Finish button is disabled ... file that was added to the project (under Configuration Files). Open the persistence.xml file in
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javax.jdo.JDOHelper

PersistenceManagerFactory configured via the standard configuration file resource "META-INF/jdoconfig.xml", using the current thread's context class loader to locate the configuration file resource(s). Get the anonymous PersistenceManagerFactory configured via the standard configuration file resource "META-INF

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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