非同期処理をつかったApexのレコードロック解除

AccountTrigger.trigger

trigger AccountTrigger on Account (after update) {
    
    private AccountTriggerHandler handler = new AccountTriggerHandler();
    
    if (Trigger.isAfter) {
        if (Trigger.isUpdate) {
            handler.doUnlock(Trigger.new, Trigger.oldMap);
        }
    }
}

AccountTriggerHandler.cls

public class AccountTriggerHandler {
    
    public AccountTriggerHandler() {
        
    }
    
    public void doUnlock(List<Account> newAccounts, Map<Id, Account> oldAccountMap) {
        // 対象の取引先を取得
        List<Account> accounts = new List<Account>();
        
        List<ID> accountIds = new List<ID>();
        
        for (Account a : newAccounts) {
            System.debug('New Account IsUnlock = ' + a.IsUnlock__c);
            System.debug('Old Account IsUnlock = ' + oldAccountMap.get(a.Id).IsUnlock__c);
            if (a.IsUnlock__c == true && !oldAccountMap.get(a.Id).IsUnlock__c) {
                accounts.add(a);
                accountIds.add(a.Id);
            }
        }
        System.debug('Account Size = ' + accounts.size());
        
        AccountTriggerHandler.doUnlockByFuture(accountIds);
    }
    
    @future 
    public static void doUnlockByFuture(List<ID> accountIds) {
        // Unlock操作
        List<Account> accounts = [SELECT Id FROM Account WHERE ID IN: accountIds];
        Approval.UnLockResult[] results = Approval.unlock(accounts, false);
        System.debug('非同期処理によるロック解除操作の対象件数 = ' + results.size());
    }
}