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spring boot jpa entity column only for display
@Entity
@SqlResultSetMapping(name="compositekey",
entities=@EntityResult(entityClass=SpaceShip.class,
fields = {
@FieldResult(name="name", column = "name"),
@FieldResult(name="model", column = "model"),
@FieldResult(name="speed", column = "speed"),
@FieldResult(name="captain.firstname", column = "firstn"),
@FieldResult(name="captain.lastname", column = "lastn"),
@FieldResult(name="dimensions.length", column = "length"),
@FieldResult(name="dimensions.width", column = "width")
}),
columns = { @ColumnResult(name = "surface"),
@ColumnResult(name = "volume") } )
@NamedNativeQuery(name="compositekey",
query="select name, model, speed, lname as lastn, fname as firstn, length, width, length * width as surface from SpaceShip",
resultSetMapping="compositekey")
} )
public class SpaceShip {
private String name;
private String model;
private double speed;
private Captain captain;
private Dimensions dimensions;
@Id
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@ManyToOne(fetch= FetchType.LAZY)
@JoinColumns( {
@JoinColumn(name="fname", referencedColumnName = "firstname"),
@JoinColumn(name="lname", referencedColumnName = "lastname")
} )
public Captain getCaptain() {
return captain;
}
public void setCaptain(Captain captain) {
this.captain = captain;
}
public String getModel() {
return model;
}
public void setModel(String model) {
this.model = model;
}
public double getSpeed() {
return speed;
}
public void setSpeed(double speed) {
this.speed = speed;
}
public Dimensions getDimensions() {
return dimensions;
}
public void setDimensions(Dimensions dimensions) {
this.dimensions = dimensions;
}
}
@Entity
@IdClass(Identity.class)
public class Captain implements Serializable {
private String firstname;
private String lastname;
@Id
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
@Id
public String getLastname() {
return lastname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
}
Source: docs.jboss.org
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