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4

javax.persistence.SecondaryTable

class is stored across multiple tables. If no SecondaryTable annotation is specified, it is assumed ... with multiple primary key columns. @Entity @Table(name="CUSTOMER") @SecondaryTable(name
2

javax.persistence.AssociationOverrides

javax.persistence Annotation AssociationOverrides Target: Classes and fields (including property get methods) Used to override mappings of multiple relationship properties or fields. Example: @MappedSuperclass public class Employee { @Id protected Integer id; @Version
2

javax.persistence.EntityManager

. The EntityTransaction instance may be used serially to begin and commit multiple transactions. Returns
0

jdoReplaceFields(fieldNumbers)

Method javax.jdo.spi.PersistenceCapable void jdoReplaceFields( int[] fieldNumbers ) The owning StateManager uses this method to ask the instance to replace the values of the multiple fields identified by number. Parameters: fieldNumbers - the fields whose values are to be replaced by multiple
0

Element.types

Annotation Element javax.jdo.annotations.Element Class[] types Types of the elements. This can be determined if using JDK1.5 generics but is required otherwise. Multiple types can be specified if the implementation supports multiple types. Returns: the types of elements Default value: {} Since: JDO 2.1
0

jdoProvideFields(fieldNumbers)

Method javax.jdo.spi.PersistenceCapable void jdoProvideFields( int[] fieldNumbers ) The owning StateManager uses this method to ask the instance to provide the values of the multiple fields identified by fieldNumbers. Parameters: fieldNumbers - the fields whose values are to be provided by multiple
0

Persistent.columns

Annotation Element javax.jdo.annotations.Persistent Column[] columns Column definition(s) for this member. Used for mapping multiple columns to the same member, for example relationships with multiple column foreign keys. Returns: the columns for this member Default value: {} Since: JDO 2.1
0

javax.jdo.PersistenceManager

, where multiple PersistenceCapable classes share the same ObjectId class. If the validate flag is false
0

getObjectById(oid, validate)

class. This will be the case of inheritance, where multiple PersistenceCapable classes share the same
0

setResultClass(cls)

. If there are multiple result expressions, the result class must be able to hold all elements of the result

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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