MyStored.java

/*Los imports, que son un buen*/

@Named
public class MyStored extends StoredProcedure{
  
  private JdbcTemplate firstTemplate;
  private JdbcTemplate secondTemplate;
  
  @Inject
  public MyStored(DataSource firstDataSource,
    DataSource secondDataSource){
    //Tal vez necesites agregarle un @Qualifier 
    //checa: http://docs.oracle.com/javaee/6/api/javax/inject/Qualifier.html
    this.firstTemplate = new JdbcTemplate(firstDataSource);
    this.secondTemplate = new JdbcTemplate(secondDataSource);
  }
  
  //Demás métodos aquí...
  
}