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Difference between revisions of "EclipseLink/UserGuide/JPA/Basic JPA Development/Mapping/Basic Mappings/Temporal"
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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. | ||
− | You can use this annotation with the [[EclipseLink/UserGuide/JPA/Basic_JPA_Development/Mapping/Basic_Mappings|<tt>@Basic</tt> | + | You can use this annotation with the [[EclipseLink/UserGuide/JPA/Basic_JPA_Development/Mapping/Basic_Mappings|<tt>@Basic</tt>]] annotation. |
{{EclipseLink_AttributeTable | {{EclipseLink_AttributeTable |
Revision as of 11:53, 27 October 2011
EclipseLink JPA
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Key API
@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 |
The following 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.
Example: @Temporal Annotation
@Entity public class Employee implements Serializable{ ... @Temporal(DATE) protected java.util.Date startDate; ... }
For more information, see Section 11.1.47 "Temporal Annotation" in the JPA Specification.
@Enumerated | @Lob | |
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