@Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("InvalidateReplyMessage ").append("processorid=").append(processorId)
          .append(" exception=").append(getException());
      if (versionTag != null) {
        sb.append("version=").append(versionTag);
      }
      return sb.toString();
    }
Processes this message. This method is invoked by the receiver of the message.

@param dm the distribution manager that is processing the message.
geode-core/src/main/java/org/apache/geode/internal/cache/tx/RemoteInvalidateMessage.java