@Override
public Iterator<Key> iterator() {
Connection connection = getConnection();
PreparedStatement statement = null;
ResultSet rs = null;
List<Key> keys = new ArrayList<Key>();
try {
statement = connection.prepareStatement("select uri,vary from response");
rs = statement.executeQuery();
while (rs.next()) {
String uri = rs.getString(1);
String vary = rs.getString(2);
keys.add(Key.create(URI.create(uri), mapper.convertToVary(vary)));
}
} catch (SQLException ignore) {
} finally {
JdbcUtil.close(rs);
JdbcUtil.close(statement);
JdbcUtil.close(connection);
}
return ImmutableList.copyOf(keys).iterator();
}
