src/javax/persistence/Inheritance.java

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package javax.persistence;

import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import static javax.persistence.InheritanceType.SINGLE_TABLE;

/**
 * Defines the inheritance strategy to be used for an entity class 
 * hierarchy. It is specified on the entity class that is the root 
 * of the entity class hierarchy.
 *
 * <pre>
 *
 *   Example:
 *
 *   &#064;Entity
 *   &#064;Inheritance(strategy=JOINED)
 *   public class Customer { ... }
 *
 *   &#064;Entity
 *   public class ValuedCustomer extends Customer { ... }
 * </pre>
 *
 * @since Java Persistence 1.0
 */
@Target({TYPE})
@Retention(RUNTIME)

public @interface Inheritance {

    /** The strategy to be used */
    InheritanceType strategy() default SINGLE_TABLE;
}