public void write(org.apache.thrift.protocol.TProtocol oprot, Log_args struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        if (struct.messages != null) {
          oprot.writeFieldBegin(MESSAGES_FIELD_DESC);
          {
            oprot.writeListBegin(new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, struct.messages.size()));
            for (LogEntry _iter3 : struct.messages)
            {
              _iter3.write(oprot);
            }
            oprot.writeListEnd();
          }
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
zipkin-collector/scribe/src/main/java/zipkin2/collector/scribe/generated/Scribe.java