これはアリなのか

public interface Disposable {
    void dispose();
}
 
public abstract class Using<T extends Disposable> {
    public Using(T obj) {
        try {
            run(obj);
        } finally {
            obj.dispose();
        }
    }
 
    public abstract void run(T obj);
}

public class Resource implements Disposable {
    public void dispose() {
        // Release resource
    }
}
 
new Using<Resource>(new Resource()) {
    public void run(Resource obj) {
        // Do something
    }
};

public abstract class Transaction {
    public Transaction(DAO dao) {
        boolean res = false;
 
        dao.beginTransaction();
 
        try {
            res = run();
        } finally {
            if(res) {
                dao.commit();
            } else {
                dao.rollback();
            }
        }
    }
 
    public abstract boolean run();
}

final DAO dao = DAOFactory.create(...);
 
new Transaction(dao) {
    public boolean run() {
        dao.executeUpdate("INSERT INTO hoge VALUES (?, ?)", new String[]{"3", "foo"});
        dao.executeUpdate("INSERT INTO hoge VALUES (?, ?)", new String[]{"4", "bar"});
        return true;
    }
};