if (topicProperty != null)
sb.append(topicProperty.toXml(extraOffset+Constants.INDENT));
I_Map msgUnitCache = this.msgUnitCache;
if (msgUnitCache != null) {
sb.append(msgUnitCache.toXml(extraOffset+Constants.INDENT));
}
I_Queue historyQueue = this.historyQueue;
if (historyQueue != null) {
sb.append(historyQueue.toXml(extraOffset+Constants.INDENT));