TaskGroup.cpp

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Copyright (C) 2012 Sergey Lisitsyn
 */

#include <shogun/transfer/multitask/TaskGroup.h>

using namespace shogun;

CTaskGroup::CTaskGroup() : CTaskRelation()
{
    init();
}

CTaskGroup::~CTaskGroup()
{
    SG_UNREF(m_tasks);
}

void CTaskGroup::init()
{
    m_tasks = new CDynamicObjectArray(true);
}

void CTaskGroup::append_task(CTask* task)
{
    m_tasks->append_element(task);
}

int32_t CTaskGroup::get_num_tasks() const
{
    return m_tasks->get_num_elements();
}

SGVector<index_t>* CTaskGroup::get_tasks_indices() const
{
    int32_t n_tasks = m_tasks->get_num_elements();
    SG_DEBUG("Number of tasks = %d\n", n_tasks);
    
    SGVector<index_t>* tasks_indices = SG_MALLOC(SGVector<index_t>, n_tasks);
    for (int32_t i=0; i<n_tasks; i++)
    {
        new (&tasks_indices[i]) SGVector<index_t>();
        CTask* task = (CTask*)m_tasks->get_element(i);
        tasks_indices[i] = task->get_indices();
        SG_UNREF(task);
    }

    return tasks_indices;
}