QueueableDuplicateSignature.Builder クラス

1AsyncOptions options = new AsyncOptions();
2options.DuplicateSignature = new System.QueueableDuplicateSignature.Builder()
3                                .addId(UserInfo.getUserId())
4                                .addString('MyQueueable')
5                                .build();
6try {
7    System.enqueueJob(new MyQueueable(), options);
8} catch (DuplicateMessageException ex) {
9    //Exception is thrown if there is already an enqueued job with the same signature
10    Assert.areEqual('Attempt to enqueue job with duplicate queueable signature',
11        ex.getMessage());
12}

1AsyncOptions options = new AsyncOptions();
2options.DuplicateSignature = new QueueableDuplicateSignature.Builder()
3                                .addInteger(System.hashCode(someAccount))
4                                .addId([SELECT Id FROM ApexClass 
5                                     WHERE Name='MyQueueable'].Id)
6                                .build();
7System.enqueueJob(new MyQueueable(), options);