Fast Object Database for Java - with JPA/JDO support

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Step 7: Run the Spring Web App

enhancement (weaving) in Tomcat: Find the Tomcat server in the [Services window] under Servers. Right
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Setting and Tuning of JPA Queries

simple JPA operations, such as find. However, query execution is much more complex
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Is ObjectDB better than competing object databases?

of two standard APIs (JPA and JDO) by ObjectDB minimizes the risk that during development you may find
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[ODB1] Chapter 2 - A Quick Tour

: [ObjectDB Enhancer] 1 new persistence aware class has been enhanced. The enhancer did not find
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javax.jdo.JDOEntityManager

- the class of instances to evict Since: JDO 2.1 T find(Class entityClass, Object primaryKey) Find by primary key. Find by primary key. Search for an entity of the specified class and primary key ... is null Since: JPA 1.0 T find(Class entityClass, Object primaryKey, LockModeType lockMode) Find by
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javax.jdo.spi.I18NHelper

the class loader that loaded the I18NHelper class to find the specified Bundle. The class provides ... and getInstance(String bundleName,ClassLoader loader) uses the specified class loader to find ... ' class loader to find the bundle. Note, the specified class object must not be null. Parameters: cls
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ArrayIndexOutOfBoundException

) at com.objectdb.o.OBC.aM(OBC.java:999) at com.objectdb.jpa.EMImpl.find(EMImpl.java:591) at com.objectdb.jpa.EMImpl.find(EMImpl.java:514) at com ... without the ability to see the problem in action, it wouldn't be easy to find and fix it. If you can share your test
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javax.persistence.criteria.CriteriaBuilder

an aggregate expression for finding the greatest of the values (strings, dates, etc). Create an aggregate expression for finding the greatest of the values (strings, dates, etc). Parameters: x - expression ... an aggregate expression for finding the least of the values (strings, dates, etc). Create an aggregate
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stress test -> com.objectdb.o.InternalException: null

:1058) at com.objectdb.o.OBC.aN(OBC.java:976) at com.objectdb.jpa.EMImpl.find(EMImpl.java:616) at com.objectdb.jpa.EMImpl.find(EMImpl.java:536) at org.apache.openejb.persistence.JtaEntityManager.find(JtaEntityManager.java:168) at com.fitbird.control.p2.WorkoutPlanC.find(WorkoutPlanC.java:56
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javax.jdo.JDOHelper

containing the PersistenceManagerFactory context - the context in which to find the named ... - the JNDI location containing the PersistenceManagerFactory context - the context in which to find

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.

Need Help?

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