how to write data to multiple index by using hibernate search

I using hibernate Search write data to ES.Now i need to write data to multiple index .
how can i do it

Follow is my Code

@Entity
@Indexed(index = "position")
{public class PositionValue {
    @Id
    @GeneratedValue(generator = "uuid")
    @GenericGenerator(name = "uuid", strategy = "uuid")
    private String id;
    @Field
    private String date_value = null;

public PositionValue(String date_value) {
        this.date_value = date_value;
}