class<\/span> PageSweeper<\/span> <<\/span> ActionController<\/span>::<\/span>Caching<\/span>::<\/span>Sweeper<\/span><\/div> observe<\/span> Page<\/span><\/div> <\/div>
def<\/span> after_save<\/span>(<\/span>page<\/span>)<\/span><\/div> clear_page_cache<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> after_destroy<\/span>(<\/span>page<\/span>)<\/span><\/div> clear_page_cache<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> clear_page_cache<\/span><\/div> expire_page<\/span>(<\/span>'/index'<\/span>)<\/span><\/div> dirs<\/span> =<\/span> %w{ pages news }<\/span><\/div> dirs<\/span>.<\/span>each<\/span> do<\/span> |<\/span>dir<\/span>|<\/span><\/div> cache_dir<\/span> =<\/span> RAILS_ROOT<\/span> +<\/span> "/public/<\/span>#{<\/span>dir<\/span>}<\/span>"<\/span><\/div> FileUtils<\/span>.<\/span>rm_r<\/span>(<\/span>Dir<\/span>.<\/span>glob<\/span>(<\/span>cache_dir<\/span>+<\/span>"/*"<\/span>))<\/span> rescue<\/span> Errno<\/span>::<\/span>ENOENT<\/span><\/div> RAILS_DEFAULT_LOGGER<\/span>.<\/span>info<\/span>(<\/span>"Cache directory '<\/span>#{<\/span>cache_dir<\/span>}<\/span>' fully swept."<\/span>)<\/span><\/div> end<\/span><\/div> end<\/span><\/div> <\/div>
end<\/span><\/div> <\/div><\/pre><\/div>\n \n <\/div>\n\n