About persistence unit

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JPA Doc
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javax.persistence.Query

javax.persistence Interface Query Subinterfaces: TypedQuery Interface used to control query ... : IllegalStateException - if called for a Java Persistence query language SELECT statement or for a criteria ... : IllegalStateException - if the query is found not to be a Java Persistence query language SELECT query or
JPA Doc
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javax.persistence.CascadeType

javax.persistence Enum CascadeType java.lang.Object java.lang.Enumpersistence.CascadeType> javax.persistence.CascadeType Implemented Interfaces: Serializable, Comparable ... . The value cascade=ALL is equivalent to cascade={PERSIST, MERGE, REMOVE, REFRESH, DETACH}. Since: JPA 1.0
JPA Doc
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javax.persistence.PersistenceUtil

javax.persistence Interface PersistenceUtil Subinterfaces: PersistenceUnitUtil Utility interface between the application and the persistence provider(s). The PersistenceUtil interface instance obtained from the Persistence class is used to determine the load state of an entity or entity attribute
JDO Doc
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Persistent.persistenceModifier

Annotation Element javax.jdo.annotations.Persistent PersistenceModifier persistenceModifier ... persistenceModifier is for embedded instances in which a member is not persistent but in the non-embedded instances the member is persistent. Note that it is not portable to specify a member to be not
JPA Doc
12

javax.persistence.LockModeType

javax.persistence Enum LockModeType java.lang.Object java.lang.Enumpersistence.LockModeType> javax.persistence.LockModeType Implemented Interfaces: Serializable, Comparable ... .persistence.EntityManager methods that take locks ( lock, find, or refresh) or to the Query
JPA Doc
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javax.persistence.Basic

javax.persistence Annotation Basic Target: Fields (including property get methods) The simplest type of mapping to a database column. The Basic annotation can be applied to a persistent property or ... other type that implements java.io.Serializable. The use of the Basic annotation is optional for persistent
JPA Doc
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javax.persistence.Column

javax.persistence Annotation Column Target: Fields (including property get methods) Is used to specify the mapped column for a persistent property or field. If no Column annotation is specified ... ) Whether the column is included in SQL INSERT statements generated by the persistence provider
JPA Doc
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javax.persistence.MapKeyColumn

javax.persistence Annotation MapKeyColumn Target: Fields (including property get methods) Specifies ... is included in SQL INSERT statements generated by the persistence provider. (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value
JPA Doc
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javax.persistence.MapKeyJoinColumn

javax.persistence Annotation MapKeyJoinColumn Target: Fields (including property get methods ... statements generated by the persistence provider. (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0 String name
JPA Doc
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javax.persistence.metamodel.CollectionAttribute

javax.persistence.metamodel Interface CollectionAttribute Superinterfaces: Attributepersistent java.util.Collection-valued attributes. Since: JPA 2.0 Classpersistent attribute type for the attribute. Return