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* Copyright (C) 2017 The Android Open Source Project
* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
package android.hardware.neuralnetworks@1.0;
import IPreparedModel;
* IPreparedModelCallback must be used to return a prepared model produced by an
* asynchronous task launched from IDevice::prepareModel.
interface IPreparedModelCallback {
* notify must be invoked immediately after the asynchronous task holding
* this callback has finished preparing the model. If the model was
* successfully prepared, notify must be invoked with ErrorStatus::NONE and
* the prepared model. If the model was not able to be successfully
* prepared, notify must be invoked with the appropriate ErrorStatus and
* nullptr as the IPreparedModel. If the asynchronous task holding this
* callback fails to launch or if the model provided to
* IDevice::prepareModel is invalid, notify must be invoked with the
* appropriate error as well as nullptr for the IPreparedModel.
* @param status Error status returned from the asynchronous model
* preparation task; must be:
* - NONE if the asynchronous task successfully prepared the
* model
* - DEVICE_UNAVAILABLE if driver is offline or busy
* - GENERAL_FAILURE if the asynchronous task resulted in an
* unspecified error
* - INVALID_ARGUMENT if one of the input arguments to
* prepareModel is invalid
* @param preparedModel A model that has been asynchronously prepared for
* execution. If the model was unable to be prepared
* due to an error, nullptr must be passed in place of
* the IPreparedModel object.
oneway notify(ErrorStatus status, IPreparedModel preparedModel);