+ delete(date);
+}
+
+void W1Store::load() {
+ Data *data;
+ ifstream in;
+ string line;
+
+ if (data_range != NULL) {
+ delete(data_range);
+ data_range = NULL;
+ }
+ in.open(store_file_name.c_str());
+ if (in.is_open() == true) {
+ while (in.eof() == false) {
+ getline(in, line);
+ data = W1Util::parse_data_line(line);
+ if (data_range == NULL) {
+ data_range = new DataRange(*data);
+ }
+ else {
+ data_range->add_data(*data);
+ }
+ delete(data);
+ }
+ }
+}
+
+Data *W1Store::get_mean() {
+ int d_count;
+ int i_count;
+ double avg;
+ double new_val;
+ int ii;
+ int jj;
+ Date *date;
+ Data *data;
+ Data *ret_val;
+
+ ret_val = NULL;
+ if (data_range == NULL) {
+ load();
+ }
+ if (data_range != NULL) {
+ d_count = data_range->get_data_row_count();
+ log_debug("data row count: %d\n", d_count);
+ if (d_count > 0) {
+ i_count = data_range->get_data_column_count();
+ log_debug("data item count per row: %d\n", i_count);
+ ret_val = new Data(i_count);
+ if (i_count > 0) {
+ for (ii = 0; ii < d_count - 1; ii++) {
+ data = data_range->get_data(ii);
+ for (jj = 0; jj < i_count; jj++) {
+ new_val = data->value_arr[jj];
+ ret_val->value_arr[jj] = ret_val->value_arr[jj] + new_val;
+ }
+ if (ii < (d_count - 2)) {
+ delete(data);
+ }
+ //log_debug("new val: %f, sum: %f\n", new_val, sum);
+ }
+ for (ii = 0; ii < i_count; ii++) {
+ ret_val->value_arr[ii] = ret_val->value_arr[ii] / d_count;
+ log_debug("avg: %f\n", ret_val->value_arr[ii]);
+ }
+ }
+ ret_val->set_date(data->get_date());
+ delete(data);
+ }
+ }
+ return ret_val;
+}
+
+Data *W1Store::load_first_data_row() {
+ Data *ret_val;
+ ifstream in;
+ string line;
+
+ ret_val = NULL;
+ in.open(store_file_name.c_str());
+ if (in.eof() == false) {
+ getline(in, line);
+ ret_val = W1Util::parse_data_line(line);
+ }
+ return ret_val;
+}
+
+Data *W1Store::load_last_data_row() {
+ Data *ret_val;
+ ifstream in;
+ string line;
+ string prev_line;
+
+ ret_val = NULL;
+ in.open(store_file_name.c_str());
+ while (in.eof() == false) {
+ getline(in, line);
+ if (line.empty() == false) {
+ prev_line = line;
+ }
+ }
+ if (prev_line.empty() == false) {
+ ret_val = W1Util::parse_data_line(prev_line);
+ }
+ return ret_val;