7 | JPA Primary Key is represented by an Event entity object that holds time, sensor ID and additional details. Suppose |
3 | javax.persistence.PessimisticLockScope with the NamedQuery annotation. Since: JPA 2.0 PessimisticLockScope EXTENDED In addition to the behavior ... with a value of PessimisticLockScope.EXTENDED. In addition to the behavior for PessimisticLockScope.NORMAL ... the additional table(s). Entity relationships for which the locked entity contains the foreign key |
3 | javax.persistence.Table entity. Additional tables may be specified using SecondaryTable or SecondaryTables annotation ... addition to any constraints specified by the Column and JoinColumn annotations and constraints entailed by primary key mappings. Defaults to no additional constraints. Default value: {} Since: JPA 1.0 |
3 | javax.persistence.TableGenerator is in effect. These constraints apply in addition to primary key constraints. Defaults to no additional constraints. Default value: {} Since: JPA 1.0 String valueColumnName (Optional) Name |
3 | Table.uniqueConstraints. These constraints apply in addition to any constraints specified by the Column and JoinColumn annotations and constraints entailed by primary key mappings. Defaults to no additional constraints. Default value: {} Since: JPA 1.0 |
3 | java.lang.Throwable" whose implementation predates the addition of the exception chaining mechanism to Throwable. For example: try ... . This is appropriate for a "legacy chained throwable" that predates the addition of chained exceptions to Throwable |
3 | javax.persistence.SecondaryTable only used if table generation is in effect. These constraints apply in addition to any constraints ... . Defaults to no additional constraints. Default value: {} Since: JPA 1.0 |
3 | TableGenerator.uniqueConstraintsAnnotation Element javax.persistence.TableGenerator UniqueConstraint[] uniqueConstraints (Optional) Unique constraints that are to be placed on the table. These are only used if table generation is in effect. These constraints apply in addition to primary key constraints. Defaults to no additional constraints. Default value: {} Since: JPA 1.0 |
3 | SecondaryTable.uniqueConstraints generation is in effect. These constraints apply in addition to any constraints specified by the Column and JoinColumn annotations and constraints entailed by primary key mappings. Defaults to no additional constraints. Default value: {} Since: JPA 1.0 |
0 | javax.jdo.datastore.Sequence. Since: JDO 2.0 void allocate(int additional) Provides a hint to the implementation that the application will need additional sequence value objects in short order. Provides a hint to the implementation that the application will need additional sequence value objects in short order |
