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[ODB1] Chapter 9 - ObjectDB Explorer

. This type of viewer is useful for viewing the data of a simple object model. In most cases ... of a database. Section 9.5 explains how to define views and set other options that affect viewer windows ... windows using the "File | Refresh Data" menu command. 9.3 Editing the Database The Explorer is usually

ObjectDB Object Database Features

. BIRT Reports ObjectDB databases are valid BIRT data sources. BIRT data sets can be defined using JPA and JDO queries (JPQL, JDOQL). ... ObjectDB provides a rich set of features. Many features are implemented as part of ObjectDB's ... - see issue tracking (requires login). Java Data Objects (JDO) Complete JDO 2 support (passed the JDO 2

Shared (L2) Entity Cache

instances of the same database - including on different client machines. Setting the Shared Cache ... . Persistence Unit Settings The shared cache can also be enabled or disabled using a persistence ... -unit> The javax.persistence.sharedCache.mode property can be set to one of the following values


setConnectionDriverName(String driverName) Set the driver name for the data store connection. Set ... connection. Since: JDO 1.0 void setConnectionFactory(Object connectionFactory) Set the data store connection factory. Set the data store connection factory. JDO implementations will support specific

join(set, jt)

Method javax.persistence.criteria.From SetJoin join( SetAttribute set, JoinType jt ) Create a join to the specified Set-valued attribute using the given join type. Parameters: set - target of the join jt - join type Returns: the resulting join Since: JPA 2.0


Method javax.persistence.criteria.From SetJoin join( SetAttribute set ) Create an inner join to the specified Set-valued attribute. Parameters: set - target of the join Returns: the resulting join Since: JPA 2.0


Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType SET Set-valued attribute Since: JPA 2.0


Static Field javax.jdo.spi.JDOPermission JDOPermission SET_STATE_MANAGER An instance of JDOPermission to be used for setStateManager permission checking. Since: JDO 1.0

JPA Entity Fields

provider (such as Hibernate) or to change default field settings. For example: @Entity public class ... . Cascade and fetch settings are explained in chapter 3. A persistent field whose type is embeddable ... Fields Inverse (or mapped by) fields contain data that is not stored as part of the entity in

JPA Persistable Types

The term persistable types refers to data types that can be used in storing data in the database ... , Mapped superclasses, Embeddable classes. Simple Java data types: Primitive types, Wrappers, String ... persistent fields would cause data duplication in the database. Entity Classes An entity class

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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