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2

groupBy(grouping)

AbstractQuery method. Parameters: grouping - list of zero or more grouping expressions Returns: the modified subquery Since: JPA 2.0
2

multiselect(selectionList)

by the query Returns: the modified query Throws: IllegalArgumentException - if a selection item
2

having(restriction)

. Parameters: restriction - a simple or compound boolean expression Returns: the modified query Since: JPA 2.0
0

makeDirty(pc, fieldName)

Method javax.jdo.spi.StateManager void makeDirty( PersistenceCapable pc, String fieldName ) Mark the associated PersistenceCapable field dirty. The StateManager will make a copy of the field so it can be restored if needed later, and then mark the field as modified in the current transaction
0

getObjectId(pc)

the transaction, by the application modifying one or more of the application key fields, then this method
0

setRestoreValues(restoreValues)

Method javax.jdo.Transaction void setRestoreValues( boolean restoreValues ) If true, at rollback, fields of newly persistent instances are restored to their values as of the beginning of the transaction, and the instances revert to transient. Additionally, fields of modified instances of primitive
0

jdoMakeDirty(fieldName)

, and the array is modified, then the persistent instance is not aware of the change. This API allows
0

isTransactional(pc)

in data store transactions; and persistent instances modified in optimistic transactions. Transient
0

javax.jdo.annotations.NotPersistent

javax.jdo.annotations Annotation NotPersistent Target: Fields (including property get methods) Annotation to specify that the member is not persistent. If used, this is the only JDO annotation allowed on a member. This corresponds to the xml attribute persistence-modifier="none" of the "field
0

getVersion(pc)

Method javax.jdo.spi.StateInterrogation Object getVersion( Object pc ) Return the version of the parameter instance. Instances unknown by the implementation return null. Parameters: pc - the instance. Returns: a copy of the ObjectId of the parameter instance as modified in this transaction. Since: JDO 2.0 See Also: PersistenceCapable.jdoGetVersion()

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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