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4

javax.persistence.criteria.Path

does not otherwise exist Since: JPA 2.0 Expression<M> get( MapAttribute<X,K,V> map) Create a path corresponding to the referenced map-valued attribute. Create a path corresponding to the referenced map-valued attribute. Parameters: map - map-valued attribute Returns: expression corresponding
4

javax.persistence.OneToMany

that is the owner of the relationship. When the collection is a java.util.Map, the cascade element and the orphanRemoval element apply to the map value. Example 1: One-to-Many association using generics ... using a foreign key mapping // In Customer class: @OneToMany(orphanRemoval=true
4

Tracking changes to new collections (in enhancement mode) after flush

MappingImpl implements Mapping { //the UID of the Mapping @Id @Access (AccessType ... again the map by map.put(key, list), although the key/value pair is already a part of the map, then it works ... collections. Note that this structure of a List as a value in a Map field is not standard (unsupported
4

javax.persistence.JoinTable

the mapping of associations. It is specified on the owning side of an association. A join table is typically used in the mapping of many-to-many and unidirectional one-to-many associations. It may also be used to map bidirectional many-to-one/one-to-many associations, unidirectional many
4

AssociationOverride.joinColumns

) being mapped to the persistent attribute(s). The joinColumns elements must be specified if a foreign key mapping is used in the overriding of the mapping of the relationship. The joinColumns element must not be specified if a join table is used in the overriding of the mapping of the relationship. Default value: {} Since: JPA 1.0
4

javax.persistence.EntityResult

javax.persistence Annotation EntityResult Target: Used to map the SELECT clause of a SQL query ... that are mapped to the entity object. This should include foreign key columns to related entities ... of the result. The class of the result. Since: JPA 1.0 FieldResult[] fields Maps the columns specified in
0

executeWithMap(parameters)

Method javax.jdo.Query Object executeWithMap( Map parameters ) Execute the query and return the filtered Collection. The query is executed with the parameters set by the Map values. Each Map entry ... which is the value used in the execute method. The keys in the Map and the declared parameters
0

getPersistenceManagerFactory(overrides, name, resourceLoader, pmfLoader)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( Map ... .ConnectionFactory2Name", "javax.jdo.option.Mapping", "javax.jdo.mapping.Catalog", "javax.jdo.mapping.Schema ... . Parameters: overrides - a Map containing properties that override properties defined in any resources
0

javax.jdo.annotations.Key

for the key of a map relation. Corresponds to the xml element "key". Since: JDO 2.1 String column Name ... : "" Since: JDO 2.1 Embedded[] embeddedMapping The embedded mapping for the key. The embedded mapping for the key. Returns: the embedded mapping for the key Default value: {} Since: JDO 2.1 Extension[] extensions
0

javax.jdo.annotations.Value

for the value of a map relation. Corresponds to the xml element "value". Since: JDO 2.1 String column ... : whether this value is embedded Default value: "" Since: JDO 2.1 Embedded[] embeddedMapping The embedded mapping for the value. The embedded mapping for the value. Returns: the embedded mapping for the value Default

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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