function preBuildUnit()
{
    $entryIds = array();
    $blogIds = array();
    $userIds = array();
    $categoryIds = array();

    foreach ($this->entries as $entry) {
        if (!empty($entry['entry_id'])) $entryIds[] = $entry['entry_id'];
        if (!empty($entry['entry_blog_id'])) $blogIds[] = $entry['entry_blog_id'];
        if (!empty($entry['entry_user_id'])) $userIds[] = $entry['entry_user_id'];
        if (!empty($entry['entry_category_id'])) $categoryIds[] = $entry['entry_category_id'];
    }

    // メイン画像のEagerLoading
    if (!isset($this->_config['mainImageOn']) || $this->_config['mainImageOn'] === 'on') {
        $this->eagerLoadingData['mainImage'] = Tpl::eagerLoadMainImage($this->entries);
    }
    // フルテキストのEagerLoading
    if (!isset($this->_config['fullTextOn']) || $this->_config['fullTextOn'] === 'on') {
        $this->eagerLoadingData['fullText'] = Tpl::eagerLoadFullText($entryIds);
    }
    // タグのEagerLoading
    $this->eagerLoadingData['tag'] =  Tpl::eagerLoadTag($entryIds);
    // エントリーフィールドのEagerLoading
    if (!isset($this->_config['entryFieldOn']) || $this->_config['entryFieldOn'] === 'on') {
        $this->eagerLoadingData['entryField'] = eagerLoadField($entryIds, 'eid');
    }
    // ユーザーフィールドのEagerLoading
    if (isset($this->_config['userInfoOn']) && $this->_config['userInfoOn'] === 'on') {
        $this->eagerLoadingData['userField'] = eagerLoadField($userIds, 'uid');
    }
    // ブログフィールドのEagerLoading
    if (isset($this->_config['blogInfoOn']) && $this->_config['blogInfoOn'] === 'on') {
        $this->eagerLoadingData['blogField'] = eagerLoadField($blogIds, 'bid');
    }
    // カテゴリーフィールドのEagerLoading
    if (isset($this->_config['categoryInfoOn']) && $this->_config['categoryInfoOn'] === 'on') {
        $this->eagerLoadingData['categoryField'] = eagerLoadField($categoryIds, 'cid');
    }
    // サブカテゴリーのEagerLoading
    if (isset($this->_config['categoryInfoOn']) && $this->_config['categoryInfoOn'] === 'on') {
        $this->eagerLoadingData['subCategory'] = eagerLoadSubCategories($entryIds);
    }
}