/**
* Save a sequence list for the given item ID
*
* @param array $item_id
* @param BfoxRangeList $seqs
* @return boolean (TRUE if there were actually sequences to save)
*/
public function save_item($item_id, BfoxRangeList $seqs)
{
$this->delete_items(array($item_id));
if ($seqs->is_valid()) {
global $wpdb;
$item_id = $this->prepare_item_id($item_id);
$item_id_value = implode(', ', $item_id);
$item_id_col = implode(', ', array_keys($item_id));
$values = array();
foreach ($seqs->get_seqs() as $seq) {
$values[] = $wpdb->prepare("({$item_id_value}, %d, %d)", $seq->start, $seq->end);
}
if (!empty($values)) {
$wpdb->query($wpdb->prepare("\n\t\t\t\t\tINSERT INTO {$this->table_name}\n\t\t\t\t\t({$item_id_col}, start, end)\n\t\t\t\t\tVALUES " . implode(', ', $values)));
}
return true;
}
return false;
}
/**
* Returns whether the given sequence list intersects this sequence list
*
* @param BfoxRangeList $seq_list
* @return boolean
*/
public function intersects(BfoxRangeList $seq_list)
{
// Test each sequence to see if it would modify our sequence list if we subtracted it
// If it never modifies our list, then our list never intersects
return $this->sub_seqs($seq_list->get_seqs(), true);
}