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Use the <tt>@Temporal</tt> annotation to specify the database type that EclipseLink persistence provider should persist for persistent fields or properties of type <tt>java.util.Date</tt> and <tt>java.util.Calendar</tt> only. | Use the <tt>@Temporal</tt> annotation to specify the database type that EclipseLink persistence provider should persist for persistent fields or properties of type <tt>java.util.Date</tt> and <tt>java.util.Calendar</tt> only. | ||
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Revision as of 11:38, 12 January 2011
EclipseLink JPA
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@Temporal
Use the @Temporal annotation to specify the database type that EclipseLink persistence provider should persist for persistent fields or properties of type java.util.Date and java.util.Calendar only.
You can use this annotation with the @Basic annotation.
| Attribute | Description | Default | Required? |
|---|---|---|---|
| value | Set this attribute to the TemporalType that corresponds to database type you want EclipseLink persistence provider to use:
|
Yes |
This example shows how to use this annotation to specify that EclipseLink persistence provider should persist java.util.Date field startDate as a DATE (java.sql.Date) database type.
Usage of the @Temporal Annotation
@Entity public class Employee implements Serializable{ ... @Temporal(DATE) protected java.util.Date startDate; ... }
For more information, see Section 9.1.20 "Temporal Annotation" in the JPA Specification.
 Enumerated |
Lob |
|
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