Create A transaction supported cron Job in Alfresco

1. spring bean configuration

<bean id="customService" class="com.alfresco.ibrahim.services.impl.CustomServiceImpl">
<property name="customBeanDAO">
    <ref bean="customBeanDAO" />
</property>
<property name="nodeService">
    <ref bean="nodeService" />
</property>
<property name="searchService">
    <ref bean="searchService" />
</property>
</bean>

2. cron config bean

<bean id="customGenerator" class="org.springframework.scheduling.quartz.JobDetailBean">
<property name="jobClass" value="com.alfresco.ibrahim.jobs.impl.customExecutorImpl"/>
<property name="jobDataAsMap">
<map>
<entry key="customService">
<ref bean="customService" />
</entry>
<entry key="transactionService">
<ref bean="transactionService" />
</entry> 
</map>
</property>
</bean>

<bean id="regularUpdateTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">
<property name="jobDetail" ref="dailyReportGenerator"/>
<property name="cronExpression" value="30 * * * * ?"/>
</bean>

3. Job bean class

public class CustomExecutorImpl  extends QuartzJobBean implements ReportExecutorJob{
    
    private CustomService customService;
    private TransactionService transactionService;


    @Override
    public void executeReportGeneration() {
        
         AuthenticationUtil.runAs(new AuthenticationUtil.RunAsWork<Void>() {

                @Override
                public Void doWork() throws Exception {
                    
                    transactionService.getRetryingTransactionHelper().doInTransaction(new RetryingTransactionCallback<Void>() {

                        @Override
                        public Void execute() throws Throwable {
                            customService.doSomeJob(); 
                            return null;
                        }
                    }, false, true);
                    
                    return null;
                    
                }
            },AuthenticationUtil.getAdminUserName());
    }