FinancialHistory.java

package org.hibernate.test.annotations.derivedidentities.e4.b;
import java.util.Date;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.MapsId;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

/**
 * @author Emmanuel Bernard
 */
@Entity
public class FinancialHistory {
	@Id
	String id; // overriding not allowed ... // default join column name is overridden @MapsId
	@Temporal(TemporalType.DATE)
	Date lastupdate;

	@JoinColumn(name = "FK")
	@MapsId
	@ManyToOne
	Person patient;

}