1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
| package project.loan;
|
| import java.util.Collections;
| import java.util.HashSet;
| import java.util.Set;
|
| public class LoanLock {
| private static final Set<String> filter = Collections.synchronizedSet(new HashSet<String>());
|
| public static boolean add(String partyId) {
| if (!filter.add(partyId)) {
| return false;
| } else {
| return true;
| }
| }
|
| public static void remove(String partyId) {
| filter.remove(partyId);
| }
| }
|
|
