@(#)persistence_2_1.xsd 2.1 February 8, 2013 ... ]]> Configuration of a persistence unit. Description of this persistence unit. Provider class that supplies EntityManagers for this persistence unit. The container-specific name of the JTA datasource to use. The container-specific name of a non-JTA datasource to use. File containing mapping information. Loaded as a resource by the persistence provider. Jar file that is to be scanned for managed classes. Managed class to be included in the persistence unit and to scan for annotations. It should be annotated with either @Entity, @Embeddable or @MappedSuperclass. When set to true then only listed classes and jars will be scanned for persistent classes, otherwise the enclosing jar or directory will also be scanned. Not applicable to Java SE persistence units. Defines whether caching is enabled for the persistence unit if caching is supported by the persistence provider. When set to ALL, all entities will be cached. When set to NONE, no entities will be cached. When set to ENABLE_SELECTIVE, only entities specified as cacheable will be cached. When set to DISABLE_SELECTIVE, entities specified as not cacheable will not be cached. When not specified or when set to UNSPECIFIED, provider defaults may apply. The validation mode to be used for the persistence unit. A list of standard and vendor-specific properties and hints. A name-value pair. Name used in code to reference this persistence unit. Type of transactions used by EntityManagers from this persistence unit. public enum PersistenceUnitTransactionType {JTA, RESOURCE_LOCAL}; public enum SharedCacheMode { ALL, NONE, ENABLE_SELECTIVE, DISABLE_SELECTIVE, UNSPECIFIED}; public enum ValidationMode { AUTO, CALLBACK, NONE};