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//$Id: UniqueConstraint.java 11282 2007-03-14 22:05:59Z epbernard $
//EJB3 Specification Copyright 2004-2006 Sun Microsystems, Inc.
package javax.persistence;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Target;
/**
* This annotation is used to specify that a unique constraint is to be included in the generated DDL
* for a primary or secondary table
*
* @author Emmanuel Bernard
*/
@
Target({}) @
Retention(RUNTIME
)
public @
interface UniqueConstraint
{
/**
* An array of the column names that make up the constraint
*/
String[] columnNames
();
}