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19

General Performance Issues Illustrated with a Specific Method

<ClientBasicData> listPatientsByIDsWithBasicData(String ids) { Long st = new Date().getTime ... ("")) { return cs; } String jpql; Map m; m = new HashMap(); jpql ... private String phn; private String comments; /* Create Properties
4

Setting and Tuning of JPA Queries

> For an EntityManagerFactory - using the createEntityManagerFacotory method:   Map<String,Object> properties ... the createEntityManager method:   Map<String,Object> properties = new HashMap();   properties
4

Database Schema Evolution

and false are converted to false, any other value is converted to true). From any type to String (using toString() if necessary). From String to numeric types including enum types (when applicable). From
4

Shared (L2) Entity Cache

and primary key: em.find(MyEntity2.class, Long.valueOf(1),      Collections.<String,Object ... , Long.valueOf(1),    Collections.<String,Object>singletonMap(         "javax.persistence
4

javax.persistence.metamodel.ManagedType

(String name) Return the attribute of the managed type that corresponds to the specified name. Return ... (String name) Return the Collection-valued attribute of the managed type that corresponds ... the managed type Since: JPA 2.0 CollectionAttribute<?,E> getCollection(String name, Class<E> elementType
4

javax.persistence.metamodel.MappedSuperclassType

types. Since: JPA 2.0 Attribute<?,?> getAttribute(String name) Return the attribute of the managed type ... Since: JPA 2.0 CollectionAttribute<?,?> getCollection(String name) Return the Collection-valued attribute ... > getCollection(String name, Class<E> elementType) Return the Collection-valued attribute
4

javax.persistence.metamodel.EmbeddableType

<?,?> getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name ... <?,?> getCollection(String name) Return the Collection-valued attribute of the managed type that corresponds ... present in the managed type Since: JPA 2.0 CollectionAttribute<?,E> getCollection(String name, Class<E
4

javax.persistence.metamodel.IdentifiableType

entity or mapped superclass types. Since: JPA 2.0 Attribute<?,?> getAttribute(String name) Return ... of the managed type Since: JPA 2.0 CollectionAttribute<?,?> getCollection(String name) Return ... Since: JPA 2.0 CollectionAttribute<?,E> getCollection(String name, Class<E> elementType) Return
0

javax.jdo.JDOHelper

See Also: getPersistenceManagerFactory(Map,String,ClassLoader,ClassLoader) PersistenceManagerFactory getPersistenceManagerFactory(Map ... PersistenceManagerFactory getPersistenceManagerFactory(String name) Returns a named ... : name - Since: JDO 2.1 See Also: getPersistenceManagerFactory(Map,String,ClassLoader,ClassLoader
0

javax.jdo.spi.I18NHelper

and getInstance(String bundleName,ClassLoader loader) uses the specified class loader to find the bundle. Subsequently, instance methods can be used to format message strings using the text from ... to the bundle Since: JDO 1.0.1 I18NHelper getInstance(String bundleName) An instance bound to a bundle

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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