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@jasongorman
Created Apr 10, 2021
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public interface Loanable {
void borrowCopy(Member member);
void returnCopy(Member member);
}
public class Movie implements Loanable {
private final String title;
private int availableCopies = 1;
private List<Member> onLoanTo = new ArrayList<>();
public Movie(String title) {
this.title = title;
}
@Override
public void borrowCopy(Member member) {
availableCopies -= 1;
onLoanTo.add(member);
}
@Override
public void returnCopy(Member member) {
availableCopies++;
onLoanTo.remove(member);
}
public String getTitle() {
return title;
}
public int getAvailableCopies() {
return availableCopies;
}
public Boolean isOnLoanTo(Member member) {
return onLoanTo.contains(member);
}
}
public class LoansView {
private Member member;
private Loanable selectedMovie;
public LoansView(Member member, Loanable selectedMovie) {
this.member = member;
this.selectedMovie = selectedMovie;
}
public void borrowMovie(){
selectedMovie.borrowCopy(member);
}
public void returnMovie(){
selectedMovie.returnCopy(member);
}
}
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