@Component
public class SpringTest {

    public A create(B b){
        A a = new A();
        update1(a, b);
        update2(a,b );
        return a;
    }

    private void update1(A a, B b) {
        a.setValue1(b.getValue1());
    }

    private void update2(A a, B b) {
        a.setValue2(b.getValue2());
    }
}

public class SpringExecutor{

    @Autowired
    SpringTest springTest;

    public void goTest(List<B> listB){
        ExecutorService service = Executors.newFixedThreadPool(3);
        for(B b: listB) {
            service.submit(new Runnable() {
                public void run() {
                  A result =  springTest.create(b);
                }
            });
        }
    }

}

public class B {
    private int value1;
    private int value2;
    private int value3;

    B(int v1, int v2, int v3) {
        value1 = v1;
        value2 = v2;
        value3 = v3;
    }
    public int getValue1() {
        return value1;
    }
    public int getValue2() {
        return value2;
    }
    public int getValue3() {
        return value3;
    }
}

 A result =  springTest.create(b);