/*
 * Copyright (C) 2017 Hisilicon Technologies Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package vendor.huanglong.hardware.hwhlai@1.0;
import vendor.huanglong.hardware.hwhlai@1.0::IAiMMListenerProxy;
import vendor.huanglong.hardware.hwhlai@1.0::IAiModelMngr;

/**
 * Engine service HAL, first modern version
 *
 * Supports to load and remove service of each business.
 */
interface IAiEngineService {
    /**
     * create ModelMngr service instance if it not existed, init,
     * then do the registion of IAiModelMngrListener.
     *
     * @return the instance that created, if init failed, return NULL.
     */
    createAiModelMngr(IAiMMListenerProxy listener, uint32_t isSync) generates(IAiModelMngr modelMngr);

    /**
     * remove the binging of ModelMngr service and the IAiModelMngrListener, deInit if the Client was in Using.
     *
     * @return result for the operation, one of:
     *    AI_OK:
     *        on_success
     *    AI_ENOENT:
     *        if the service instance is not existed.
     */
    removeAiModelMngr() generates(int32_t result);
};