/*
 * Copyright (c) 2018-2021 Arm Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#include "arm_compute/graph/Workload.h"

#include "arm_compute/graph/INode.h"
#include "arm_compute/graph/ITensorHandle.h"
#include "arm_compute/graph/nodes/PrintLayerNode.h"

#include "support/Cast.h"

namespace arm_compute
{
namespace graph
{
void ExecutionTask::operator()()
{
    TaskExecutor::get().execute_function(*this);
}

void execute_task(ExecutionTask &task)
{
    if (task.task)
    {
        task.task->run();
    }
#ifdef ARM_COMPUTE_ASSERTS_ENABLED
    else if (task.node->type() == NodeType::PrintLayer)
    {
        auto print_node   = utils::cast::polymorphic_downcast<PrintLayerNode *>(task.node);
        auto input_handle = print_node->input(0)->handle();
        auto transform    = print_node->transform();

        input_handle->map(true);
        ITensor *input = transform ? transform(&input_handle->tensor()) : &input_handle->tensor();
        input->print(print_node->stream(), print_node->format_info());
        input_handle->unmap();
    }
#endif // ARM_COMPUTE_ASSERTS_ENABLED
}

void ExecutionTask::prepare()
{
    if (task)
    {
        task->prepare();
    }
}

TaskExecutor::TaskExecutor() : execute_function(execute_task)
{
}

TaskExecutor &TaskExecutor::get()
{
    static TaskExecutor executor;
    return executor;
}
} // namespace graph
} // namespace arm_compute
