fix(QueueableProcess): Updates Queueable Process#345
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To Fix a logic, order-of-operations error, and to capture the results of the sub-class' execute method
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WalkthroughThis update brings a series of changes aimed at improving code readability, consistency, and functionality. It includes renaming variables for clarity, updating method signatures, adding new parameters to control behavior, refactoring methods for efficient data handling, and enhancing test classes with better structure and additional functionalities. Changes
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| public String methodWithParameters(String param1, Integer param2) { | ||
| return param1 + String.valueOf(param2); | ||
| } |
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Files selected (13)
- force-app/main/default/classes/ULID/README.md (1)
- force-app/main/default/classes/ULID/ULID.cls (4)
- force-app/main/default/classes/polyfills/tests/PolyfillsTests.cls (1)
- force-app/main/default/classes/queueable process/EnqueueNextQueueableProcessStep.cls (1)
- force-app/main/default/classes/queueable process/QueueableProcess.cls (2)
- force-app/main/default/classes/queueable process/README.md (1)
- force-app/main/default/classes/queueable process/tests/ExampleQueueableProcessSteps.cls (2)
- force-app/main/default/classes/test utilities/ParameterMatcher.cls (1)
- force-app/main/default/classes/test utilities/ParameterMatcherTest.cls (3)
- force-app/main/default/classes/test utilities/ParameterMatcherTestClass.cls (1)
- force-app/main/default/classes/test utilities/ParameterMatcherTestClass.cls-meta.xml (1)
- force-app/main/default/classes/test utilities/SObjectFactory.cls (9)
- force-app/main/default/classes/test utilities/SObjectFactoryHelper.cls (2)
Files not summarized due to errors (2)
- force-app/main/default/classes/ULID/README.md (diff tokens exceeds limit)
- force-app/main/default/classes/queueable process/README.md (diff tokens exceeds limit)
Files skipped from review due to trivial changes (4)
- force-app/main/default/classes/ULID/ULID.cls
- force-app/main/default/classes/test utilities/ParameterMatcher.cls
- force-app/main/default/classes/test utilities/ParameterMatcherTest.cls
- force-app/main/default/classes/test utilities/ParameterMatcherTestClass.cls-meta.xml
Review comments generated (19)
- Review: 10
- LGTM: 9
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| null, | ||
| false, | ||
| true |
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The createSObjects method call has been updated with new parameters. Ensure that the new parameters (null, false, true) are correctly passed and they align with the method's expectations. If these parameters have default values, consider using the method overloading principle to avoid passing them explicitly each time.
- SObjectFactory.createSObjects(new Contact(AccountId = acct.Id), 5, false)
+ SObjectFactory.createSObjects(new Contact(AccountId = acct.Id), 5, null, false, true)Please also ensure that the changes do not break any existing functionality or tests.
| // Remove the first element from the list - this was constructed using the .then() method. | ||
| QueueableProcess nextProcessStep = this.processSteps.remove(0); | ||
| // Set the remaining steps on the next process step. | ||
| nextProcessStep.processSteps = this.processSteps; | ||
| // Set the dataPassthrough on the next process step. | ||
| nextProcessStep.dataPassthrough = dataPassthrough; | ||
| // Set the queueableContextHistory on the next process step. | ||
| nextProcessStep.queueableContextHistory = this.queueableContextHistory; | ||
| // Set the finalizerContextHistory on the next process step. | ||
| nextProcessStep.finalizerContextHistory = this.finalizerContextHistory; | ||
| // Enqueue the next process step. |
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The logic here seems to be correct, but it's not very efficient. You're directly modifying the processSteps list of the current object and assigning it to the nextProcessStep. This means that all subsequent steps will share the same list instance, which could lead to unexpected behavior if any step modifies the list.
Instead, consider creating a new list that excludes the first element and assign this new list to the nextProcessStep. This way, each step has its own copy of the remaining steps, and modifications in one step won't affect others.
- QueueableProcess nextProcessStep = this.processSteps.remove(0);
- nextProcessStep.processSteps = this.processSteps;
+ QueueableProcess nextProcessStep = this.processSteps[0];
+ nextProcessStep.processSteps = this.processSteps.subList(1, this.processSteps.size());This change also avoids the need to remove an element from the beginning of the list, which can be an expensive operation for large lists.
| * an account and increment the shipping street by 1. Returns the incremented dataPassthrough value. | ||
| * | ||
| * @return Object - the incremented dataPassthrough value for the next step | ||
| */ | ||
| public override void execute() { | ||
| public override Object execute() { | ||
| Account acct = fetchAccountByIdForDemoPurposes(this.accountId); | ||
| Integer castedInteger = Integer.valueOf(acct.ShippingStreet); | ||
| acct.ShippingStreet = String.valueOf(castedInteger + 1); | ||
| Integer nextDataPassthrough = null; | ||
| if (this.dataPassthrough != null) { | ||
| this.dataPassthrough = 1 + (Integer) this.dataPassthrough; | ||
| acct.BillingStreet = String.valueOf(this.dataPassthrough); | ||
| nextDataPassthrough = 1 + (Integer) this.dataPassthrough; | ||
| acct.BillingStreet = String.valueOf(nextDataPassthrough); | ||
| } | ||
| Database.update(acct, false, AccessLevel.USER_MODE); | ||
| return nextDataPassthrough; |
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The logic in this method seems to be correct, but there's a potential issue with error handling. If the ShippingStreet field of the Account object is not an integer, the Integer.valueOf(acct.ShippingStreet) will throw a NumberFormatException. It would be better to handle this exception and provide a meaningful error message.
- Integer castedInteger = Integer.valueOf(acct.ShippingStreet);
+ Integer castedInteger;
+ try {
+ castedInteger = Integer.valueOf(acct.ShippingStreet);
+ } catch (NumberFormatException e) {
+ throw new IllegalArgumentException('ShippingStreet must be an integer');
+ }| * update the account phone field when the data Passthrough isn't null. Returns the same dataPassthrough value. | ||
| * | ||
| * @return Object - the same dataPassthrough value for the next step | ||
| */ | ||
| public override void execute() { | ||
| public override Object execute() { | ||
| Account acct = fetchAccountByIdForDemoPurposes(this.accountId); | ||
| if (this.dataPassthrough != null) { | ||
| acct.Phone = String.valueOf(this.dataPassthrough); | ||
| } | ||
| Database.update(acct, false, AccessLevel.USER_MODE); | ||
| return this.dataPassthrough; |
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Similar to the previous comment, there's a potential issue with error handling. If the dataPassthrough is not an integer, the String.valueOf(this.dataPassthrough) will throw a ClassCastException. It would be better to handle this exception and provide a meaningful error message.
- acct.Phone = String.valueOf(this.dataPassthrough);
+ try {
+ acct.Phone = String.valueOf(this.dataPassthrough);
+ } catch (ClassCastException e) {
+ throw new IllegalArgumentException('dataPassthrough must be an integer');
+ }| ) { | ||
| return createSObject(prototype, usingDefaultsClassName, forceInsert, false); | ||
| } | ||
|
|
||
| /** | ||
| * @description Creates an SObject with the given prototype, using defaults from the specified class, optionally inserts it into the database, and optionally prevents fake ID generation. | ||
| * | ||
| * @param prototype The prototype SObject to be created. | ||
| * @param usingDefaultsClassName The name of the class providing default values for the SObject. | ||
| * @param forceInsert Indicates whether to insert the SObject into the database. | ||
| * @param preventFakeId Indicates whether to prevent fake ID generation when not inserting. | ||
| * | ||
| * @return The created SObject. | ||
| */ | ||
| public static SObject createSObject( | ||
| SObject prototype, | ||
| String usingDefaultsClassName, | ||
| Boolean forceInsert, | ||
| Boolean preventFakeId | ||
| ) { | ||
| prototype = internalCreateSObject(prototype, usingDefaultsClassName); | ||
| if (forceInsert) { | ||
| Database.insert(prototype, AccessLevel.SYSTEM_MODE); | ||
| } else { | ||
| } else if (!preventFakeId) { |
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The changes made here are significant and seem to be well thought out. The addition of the preventFakeId parameter allows for more control over the creation of SObjects, which can be useful in certain scenarios. However, it's important to ensure that all calls to this method have been updated to include this new parameter, otherwise, it could lead to unexpected behavior.
| Integer count, | ||
| String usingDefaultsClassName, | ||
| Boolean forceInsert | ||
| ) { | ||
| return createSObjects(prototype, count, usingDefaultsClassName, forceInsert, false); | ||
| } | ||
|
|
||
| /** | ||
| * @description Creates a list of SObjects based on a prototype, count, defaults class, force insert flag, and preventFakeId flag. | ||
| * | ||
| * @param prototype The prototype SObject to clone. | ||
| * @param count The number of SObjects to create. | ||
| * @param usingDefaultsClassName The name of the defaults class to use. | ||
| * @param forceInsert Whether to force insert the created SObjects. | ||
| * @param preventFakeId Whether to prevent fake ID generation when not inserting. | ||
| * | ||
| * @return A list of created SObjects. | ||
| */ | ||
| @SuppressWarnings('PMD.ExcessiveParameterList') | ||
| public static List<SObject> createSObjects( | ||
| SObject prototype, | ||
| Integer count, | ||
| String usingDefaultsClassName, | ||
| Boolean forceInsert, | ||
| Boolean preventFakeId | ||
| ) { | ||
| List<SObject> createdSObjects = new List<SObject>(); | ||
| SObject constructedFromPrototype = internalCreateSObject( |
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Note: This review was outside of the patch, so it was mapped to the patch with the greatest overlap. Original lines [195-232]
Similar to the previous comment, the addition of the preventFakeId parameter in the createSObjects method provides more flexibility when creating a list of SObjects. Again, make sure all calls to this method have been updated to include this new parameter.
| ) { | ||
| return mutateCloneToRespectNameAndAutonumberRules(clonedSObject, fakeId, iterationCounter, false); | ||
| } | ||
|
|
||
| /** | ||
| * @description responsible for enforcing a cloned SObject's values honor uniqueness rules for name and | ||
| * autonumber fields | ||
| * @param clonedSObject SObject a cloned version of the prototyped SObject | ||
| * @param fakeId Boolean Populates a fakeId on the object unless it's to be inserted | ||
| * @param iterationCounter Integer Counter for ensuring name uniqueness | ||
| * @param preventFakeId Boolean Prevents fake ID generation even when fakeId is true | ||
| * @return SObject a mutated version of the cloned object with unique name and autonumber fields | ||
| */ | ||
| public static SObject mutateCloneToRespectNameAndAutonumberRules( | ||
| SObject clonedSObject, | ||
| Boolean fakeId, | ||
| Integer iterationCounter, | ||
| Boolean preventFakeId |
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The new method mutateCloneToRespectNameAndAutonumberRules has been overloaded to include a preventFakeId parameter. This allows for more granular control over whether a fake ID should be generated or not. The logic seems sound and the parameter is well-documented in the method description.
+ public static SObject mutateCloneToRespectNameAndAutonumberRules(
+ SObject clonedSObject,
+ Boolean fakeId,
+ Integer iterationCounter,
+ Boolean preventFakeId
+ ) {
+ String nameField = calculateNameField(clonedSObject);
+ Boolean isNameFieldAutoNumber = nameFieldIsAutoNumber(| ); | ||
| } | ||
| if (fakeId) { | ||
| if (fakeId && !preventFakeId) { |
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The condition for generating a fake ID has been updated to also check if preventFakeId is false. This ensures that a fake ID is only generated when both fakeId is true and preventFakeId is false, providing an additional layer of control over this operation.
- if (fakeId) {
+ if (fakeId && !preventFakeId) {
clonedSObject.Id = IdFactory.get(clonedSObject);
}
return clonedSObject;| * want executed asynchronously. The returned Object will be passed as dataPassthrough to the next step. | ||
| * | ||
| * @return Object - data to pass through to the next step in the process | ||
| */ | ||
| abstract public void execute(); | ||
| abstract public Object execute(); |
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The change from void to Object as the return type for the execute() method is a breaking change. This will require all classes extending QueueableProcess to update their implementation of this method to return an Object. Ensure that this change is communicated clearly to all developers who are using this class.
- abstract public void execute();
+ abstract public Object execute();| this.queueableContextHistory = this.queueableContextHistory ?? | ||
| new List<QueueableContext>(); | ||
| this.queueableContextHistory.add(context); | ||
|
|
||
| // Call the abstract method `execute` and capture its return value as the dataPassthrough for the next step. | ||
| Object nextDataPassthrough = execute(); | ||
|
|
||
| // create a new instance of the finalizer class. Note that we're passing in the list of remaining steps and the | ||
| // passthrough data. | ||
| // returned data from execute() as the passthrough data for the next step. | ||
| Finalizer nextStep = new EnqueueNextQueueableProcessStep( | ||
| this.processSteps, | ||
| this.dataPassthrough, | ||
| nextDataPassthrough, | ||
| this.queueableContextHistory, | ||
| this.finalizerContextHistory | ||
| ); | ||
| // Attach the finalizer to system context. This will take care of enqueueing the next QueueableProcess step in | ||
| // the nextStep. | ||
| System.attachFinalizer(nextStep); |
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The refactoring in these lines improves the code by removing the need for an explicit null check on queueableContextHistory. The use of the null-coalescing operator (??) simplifies the code and makes it more readable. However, the change in how the execute() method is called (now capturing its return value) could potentially introduce bugs if the returned object is not handled correctly in subsequent steps. Make sure to thoroughly test this new behavior.
- if (this.queueableContextHistory == null) {
- this.queueableContextHistory = new List<QueueableContext>();
- }
- this.queueableContextHistory.add(context);
- Finalizer nextStep = new EnqueueNextQueueableProcessStep(
- this.processSteps,
- this.dataPassthrough,
- this.queueableContextHistory,
- this.finalizerContextHistory
- );
- System.attachFinalizer(nextStep);
- execute();
+ this.queueableContextHistory = this.queueableContextHistory ??
+ new List<QueueableContext>();
+ this.queueableContextHistory.add(context);
+ Object nextDataPassthrough = execute();
+ Finalizer nextStep = new EnqueueNextQueueableProcessStep(
+ this.processSteps,
+ nextDataPassthrough,
+ this.queueableContextHistory,
+ this.finalizerContextHistory
+ );
+ System.attachFinalizer(nextStep);
1 participant
Test fixes, and a breaking change to QueueableProcess
Summary by CodeRabbit
ULIDclass for improved readability and consistency.SObjectFactorymethods with a new parameter to control fake ID generation, improving test data creation flexibility.SObjectFactoryHelperto respect name and autonumber rules during object cloning.QueueableProcessandEnqueueNextQueueableProcessStepclasses for efficient data pass-through.ParameterMatcherTeststructure by introducing a separateParameterMatcherTestClass, enhancing test maintainability.