protected void appendFields(StringBuilder buff) {
    buff.append(" processorId=").append(processorId);
    if (notificationOnly) {
      buff.append(" notificationOnly=").append(notificationOnly);
    }
    if (txUniqId != TXManagerImpl.NOTX) {
      buff.append(" txId=").append(txUniqId);
    }
    if (txMemberId != null) {
      buff.append(" txMemberId=").append(txMemberId);
    }
  }
Helper class of {@link #toString()}

@param buff buffer in which to append the state of this instance
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/PartitionMessage.java