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Exception when querying Map property with @embedded & Enhancer enabled

Cascade delete with unidirectional mapping

are indexable (extremely fast JOIN queries). Map keys and values are indexable.O/R mapping. Easier to learn ... is very simple, except for mapping, which is irrelevant to ObjectDB.

through all the non collection and map persistent fields (i.e. through one-to-one and many ... it by navigation through non collection and map persistent fields are also retrieved. Theoretically ... >The default for non collection and map references is

listeners can only be specified in a mapping XML file because there is no equivalent annotation: <entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm ... -defaults> </persistence-unit-metadata> </entity-mappings> The mapping

the cascade-persist XML element in the XML mapping file: <entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm" xmlns:xsi="http://www.w3 ... -unit-defaults> </persistence-unit-metadata> </entity-mappings>

a mapping for an entity relationship. May be applied to an entity that extends a mapped superclass to override a relationship mapping defined by the mapped superclass. If not specified, the association is mapped the same as in the original mapping. When used to override a mapping defined by

">MAPPING_HETEROGENEOUS_INTERFACE_TYPE" title="Static Field of javax.jdo.Constants">OPTION_MAPPING_HETEROGENEOUS_INTERFACE_TYPE "javax.jdo.option.mapping.HeterogeneousInterfaceType"

a JDOUserException. Array and Maps of Parameters Queries ... = (Collection)query.executeWithArray(args); Arguments can also be passed in a map (by names ... ; this.age <= age2"); Map args = new HashMap(); args.put("age1", new Integer(20)); args

/JDOHelper/getPersistenceManagerFactory_Map_String_ClassLoader_ClassLoader" title="Static Method of javax.jdo.JDOHelper">getPersistenceManagerFactory(Map,String,ClassLoader,ClassLoader)Map" title="Static Method of javax.jdo.JDOHelper