Apex Reference Guide
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QueueableDuplicateSignature.Builder Class
Namespace
Examples
This example builds the async job signature with UserId and the string MyQueueable.
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}This example builds the async job signature using ApexClass Id and the hash value of an sObject.
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);QueueableDuplicateSignature.Builder Methods
The following are methods for QueueableDuplicateSignature.Builder.
addId(inputId)
Signature
public System.QueueableDuplicateSignature.Builder addId(Id id)
Parameters
- inputId: Type: Id
Return Value
addInteger(inputInteger)
Signature
public System.QueueableDuplicateSignature.Builder addInteger(Integer i)
Parameters
- inputInteger: Type: Integer
Return Value
addString(inputString)
Signature
public System.QueueableDuplicateSignature.Builder addString(String s)
Parameters
- inputString: Type: String
Return Value
build()
Signature
public System.QueueableDuplicateSignature build()
Return Value
getMaxSize()
Signature
public Integer getMaxSize()
Return Value
Type: Integer
getRemainingSize()
Signature
public Integer getRemainingSize()
Return Value
Type: Integer
getSize()
Signature
public Integer getSize()
Return Value
Type: Integer