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3

entry()

Method javax.persistence.criteria.MapJoin Expression<Entry<K,V>> entry() Create an expression that corresponds to the map entry. Returns: expression corresponding to the map entry Since: JPA 2.0
3

value()

Method javax.persistence.criteria.MapJoin Path<V> value() Create a path expression that corresponds to the map value. This method is for stylistic use only: it just returns this. Returns: path corresponding to the map value Since: JPA 2.0
3

key()

Method javax.persistence.criteria.MapJoin Path<K> key() Create a path expression that corresponds to the map key. Returns: path corresponding to map key Since: JPA 2.0
3

javax.persistence.metamodel.CollectionAttribute

() Is the attribute collection-valued (represents a Collection, Set, List, or Map). Is the attribute collection-valued (represents a Collection, Set, List, or Map). Returns: boolean indicating whether the attribute is collection-valued Since: JPA 2.0
3

ManyToMany.cascade

Annotation Element javax.persistence.ManyToMany CascadeType[] cascade (Optional) The operations that must be cascaded to the target of the association. When the target collection is a java.util.Map, the cascade element applies to the map value. Defaults to no operations being cascaded. Default value: {} Since: JPA 1.0
3

javax.persistence.OptimisticLockException

, Object, LockModeType) EntityManager.find(Class, Object, LockModeType, java.util.Map) EntityManager.lock(Object, LockModeType) EntityManager.lock(Object, LockModeType, java.util.Map
3

javax.persistence.metamodel.ListAttribute

collection-valued (represents a Collection, Set, List, or Map). Is the attribute collection-valued (represents a Collection, Set, List, or Map). Returns: boolean indicating whether the attribute is collection-valued Since: JPA 2.0
3

javax.persistence.metamodel.Attribute

collection-valued (represents a Collection, Set, List, or Map). Is the attribute collection-valued (represents a Collection, Set, List, or Map). Returns: boolean indicating whether the attribute is collection-valued Since: JPA 2.0
3

javax.persistence.Version

more than one Version property or field will not be portable. The Version property should be mapped to the primary table for the entity class; applications that map the Version property to a table
3

getProperties()

Method javax.persistence.EntityManagerFactory Map<String,Object> getProperties() Get the properties and associated values that are in effect for the entity manager factory. Changing the contents of the map does not change the configuration in effect. Returns: properties Throws

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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