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16

Remove not working

; import java.util.Properties; public class Test{ private static PersistenceManager ... "); } private static void openDatabase(){ Properties properties = new Properties(); properties.setProperty("javax.jdo.PersistenceManagerFactoryClass", "com.objectdb.jdo.PMF
16

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check" system property) The following ... value of field property Element.id using reflection - Possible cause for "Enhancement of type ... .no-enhancement-crc-check" system property From ObjectDB support from 2016-08-19: 'Using generic entity classes
15

Configure ObjectDB in spring context

.DriverManagerDataSource"> <property name="driverClassName" value="org.hibernate.dialect.HSQLDialect"/> <property name="url" value="jdbc:hsqldb:file:db/jminer"/> <property name="username" value="sa"/> <property name="password" value=""/> </bean> <!--Defining
15

Problem with entities detection

> <class>objectdb.AsignaturasAlumno</class> <properties> <property name="javax.persistence.jdbc.url" value="$objectdb/db/curso3.odb"/> <property name="javax.persistence.jdbc.user" value="admin"/> <property name="javax.persistence.jdbc.password" value="admin
14

InternalException & UserException using objectdb with Jboss AS 7.1.1 final

> <properties> <property name="jboss.as.jpa.providerModule" value="com.objectdb" /> <property name="javax.jdo.option.MaxPool" value="50"/> <property name="javax.persistence.jdbc.url" value="objectdb://localhost:6136/dp.odb"/> <property name="javax
3

javax.persistence.Embedded

javax.persistence Annotation Embedded Target: Fields (including property get methods) Specifies a persistent field or property of an entity whose value is an instance of an embeddable class. The embeddable class must be annotated as Embeddable. The AttributeOverride, AttributeOverrides
3

InternalException when using MEMBER OF on a large list in a query

(); String propertyClassName = propertyClass.getName(); String query = "SELECT DISTINCT property.uid FROM " + propertyClassName + " AS property, " + recordClassName + " AS record " + "WHERE property.uid MEMBER OF record.properties AND property.scopeID MEMBER OF ?1"; TypedQuery<String> q
3

queries more than 10 times slower using 2.8.1 versus 2.7.6

) AND (o.parentNode.properties.name = "confirmed" AND o.parentNode.properties.doubleValue = 0) and o ... 2: "select distinct o from ObjectNode o join o.properties p1 join o.properties p2 join o.properties p10 join o.properties p20 join o.properties p21 where o.classIdentifier = '(OP)' and (o
2

each 1-2 days objects on some objectdb level lock/block each other

Zwicker here are some typical queries: select o from ObjectNode o join o.properties p1 join o ... = '(US)' and o.linkedObjects.objectNameUpper = 'STRIEGEL.MARKUS' )) and (o.properties.name = 'roughPlanning' and o.properties.doubleValue = 1) and (p1.name = 'plannedState' and p1.doubleValue > 0) select
0

javax.jdo.annotations.PersistenceModifier

for a field or property. This corresponds to the "persistence-modifier" attribute of the "field" and "property" elements. Since: JDO 2.1 PersistenceModifier NONE Since: JDO 2.1 PersistenceModifier

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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