}
@Override
public boolean testMessage(Message msg) {
if (msg.hasHeader()) {
MessageHeader header = msg.getHeader();
if (header.hasProperties()) {
Map<String, ByteString> props = MapUtils.buildMap(header.getProperties());
ByteString value = props.get(OPT_MOD);
if (null == value) {
return false;
}
int intValue = Integer.valueOf(value.toStringUtf8());