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About persistence unit

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JPA Doc
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javax.persistence.PessimisticLockException

javax.persistence Exception PessimisticLockException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.PessimisticLockException Implemented
JPA Doc
9

javax.persistence.QueryTimeoutException

javax.persistence Exception QueryTimeoutException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.QueryTimeoutException Implemented Interfaces
JPA Doc
9

javax.persistence.spi.PersistenceUnitTransactionType

javax.persistence.spi Enum PersistenceUnitTransactionType java.lang.Object java.lang.Enumpersistence.spi.PersistenceUnitTransactionType> javax.persistence.spi ... > Specifies whether entity managers created by the javax.persistence.EntityManagerFactory will be JTA or
JPA Doc
9

javax.persistence.TransactionRequiredException

javax.persistence Exception TransactionRequiredException java.lang.Object java.lang ... .persistence.PersistenceException javax.persistence.TransactionRequiredException Implemented Interfaces: Serializable Thrown by the persistence provider when a transaction is required
JPA Doc
9

persist(entity)

Method javax.persistence.EntityManager void persist(   Object entity ) Make an instance managed and persistent. Parameters: entity - entity instance Throws: EntityExistsException - if the entity already exists. (If the entity already exists, the EntityExistsException may be thrown when the persist
Forum
9

Too many persistable types (>10) - exceeds evaluation limit

and want to automate as much of the testing as possible I am using two persistence units ... have to persistence units? Here is my persistence.xml: persistence/persistence_2_1.xsd"> <persistence-unit name="JDO ObjectDB
JPA Doc
9

CascadeType.PERSIST

Enum Constant javax.persistence.CascadeType PERSIST Cascade persist operation Since: JPA 1.0
JDO Doc
9

Constants.ELEMENT_PERSISTENCE_MANAGER_FACTORY

Static Field javax.jdo.Constants String ELEMENT_PERSISTENCE_MANAGER_FACTORY The name of the persistence manager factory element in the JDO configuration file. Constant value is persistence-manager-factory. Since: JDO 2.1
JPA Doc
9

javax.persistence.AccessType

javax.persistence Enum AccessType java.lang.Object java.lang.Enumpersistence.AccessType> javax.persistence.AccessType Implemented Interfaces: Serializable, Comparable Is used with the Access annotation to specify an access type to be applied to an entity class
JPA Doc
9

javax.persistence.AttributeOverride

javax.persistence Annotation AttributeOverride Target: Classes and fields (including property ... (Required) The column that is being mapped to the persistent attribute. (Required) The column that is being mapped to the persistent attribute. The mapping type will remain the same as is defined in