Class 예제(2_MemberDAO)

 

package quiz5;

import java.util.ArrayList;

public class MemberDAOImpl implements IMemberDAO {
	
	ArrayList<MemberDTO> members = new ArrayList<>();
	
	@Override
	public int getIdx(String id) {
		int idx = -1;
		for (MemberDTO member : members) {
			if (member.getId().equals(id)) {
				idx = members.indexOf(member);
				return idx;
			}
		}
		return idx;
	}
	
	@Override
	public void insert(MemberDTO member) {
		members.add(member);
	}

	@Override
	public MemberDTO selectId(String id) {
		MemberDTO tmp = new MemberDTO();
		for (MemberDTO cmp : members) {
			if (cmp.getId().equals(id)) {
				tmp.setId(cmp.getId());
				tmp.setName(cmp.getName());
				tmp.setPw(cmp.getPw());
			}
		}
		return tmp;
	}

	@Override
	public void delete(MemberDTO deleteMember) {
		int idx = this.getIdx(deleteMember.getId());
		
		if (idx == -1) {
			System.out.println(deleteMember.getId() + "는 존재하지 않는 정보입니다.");
			return;
		}
		
		System.out.println("삭제가 완료되었습니다.");
		members.remove(idx);
	}

	@Override
	public ArrayList<MemberDTO> selectAll() {
		return members;
	}

	@Override
	public void update(int index, MemberDTO updateMember) {
		members.get(index).setPw(updateMember.getPw());	
	}


}