Fast Object Database for Java - with JPA/JDO support

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About reflection

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94	Entity Management Settings : reflection="warning" /> reflection="warning" /> The element ... JRE) or above. The reflection attribute specifies how non enhanced classes are handled. ObjectDB
79	JPA Metamodel API reflection provides for general Java types. The Metamodel Interface The main interface of the JPA ... reflection representation of the field (or property) type: Member member = attr.getJavaMember
74	JPA Metamodel API The JPA Metamodel API, which is introduced in JPA 2.0, enables examining the classes, fields and properties of the persistent object model, similarly to the Java reflection API. The main interface of the JPA Metamodel API is: Types (mainly classes) and attributes (persistent field and properties
31	ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection ... of field property com.greensoft.objectdb.test.entity.Element.id using reflection (error 613 ... .test.entity.Element.id using reflection at com.objectdb.o._PersistenceException.b
26	Failed to read the value of field ... using reflection .formula.bl.dmos.Valuation.variableSettings using reflection at com.objectdb.o.MSG.a(MSG.java ... to [Ljava.lang.Object; at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167) at sun.reflect.UnsafeFieldAccessorImpl
25	Error: Failed to write value of field X using reflection (oneToMany relation) reflection What's wrong with this? I suppose i'm making a bad connection on the oneToMany - manyToOne ... field testodb2.TestODB2$Cliente.pedidos using reflection" The test case file is adjunct
25	Failed to write the value of field using reflection (error 363) on LAZY fetch of field field ch.megloff.zeus.model.Modell.articles using reflection (error 363) at ch.megloff.zeus ... .megloff.zeus.model.Modell.articles using reflection at com.objectdb.o.MSG.d(MSG.java:75) at com.objectdb
24	Eclipse - Maven - Dependencies not getting automatically reflected are not getting displayed. Say if I input springframework, it only reflect the jars that installed
24	Error in reading Enum in JPA - Failed to read using reflection of field com.xxx.User.status using reflection caused by.. java.lang.IllegalArgumentException
24	Failed to read the value of field using reflection I have recently encountered an issue with reading objects: Exception: com.objectdb.o.UserException Message: Failed to read the value of field field Character.stats using reflection Stack Trace: com.objectdb.o.MSG.d(MSG.java:75) com.objectdb.o.UMR.P(UMR.java:934) com.objectdb.o.UMR.B(UMR

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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Copyright © 2003, 2010, 2021 ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the open source JPA 2 RI (EclipseLink) and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.