Grails 整合activiti

beans = {            
    processEngineConfig(SpringProcessEngineConfiguration) {
        dataSource = ref('dataSource')
        transactionManager = ref('transactionManager')
        databaseType = 'oracle'
        databaseSchema = 'OURSCHEMA'
        databaseSchemaUpdate = false
        jobExecutorActivate = true
    }

    processEngine(ProcessEngineFactoryBean) {
        processEngineConfiguration = ref("processEngineConfig")
    }

    runtimeService(processEngine: "getRuntimeService")
    repositoryService(processEngine: "getRepositoryService")
    taskService(processEngine: "getTaskService")
    managementService(processEngine: "getManagementService")
    historyService(processEngine: "getHistoryService")
    formService(processEngine: "getFormService")
}