func (this *Consumers) displayGroupOffsets(zkcluster *zk.ZkCluster, group, topic string, echo bool) []consumerGroupOffset {
offsetMap := zkcluster.ConsumerOffsetsOfGroup(group)
sortedTopics := make([]string, 0, len(offsetMap))
for t, _ := range offsetMap {
sortedTopics = append(sortedTopics, t)
}
sort.Strings(sortedTopics)
r := make([]consumerGroupOffset, 0)
for _, t := range sortedTopics {
if !patternMatched(t, this.topicPattern) || (topic != "" && t != topic) {
continue
}
sortedPartitionIds := make([]string, 0, len(offsetMap[t]))
for partitionId, _ := range offsetMap[t] {
sortedPartitionIds = append(sortedPartitionIds, partitionId)
}
sort.Strings(sortedPartitionIds)
for _, partitionId := range sortedPartitionIds {
r = append(r, consumerGroupOffset{
topic: t,
partitionId: partitionId,
offset: gofmt.Comma(offsetMap[t][partitionId]),
})
if echo {
this.Ui.Output(fmt.Sprintf("\t\t%s/%s Offset:%s",
t, partitionId, gofmt.Comma(offsetMap[t][partitionId])))
}
}
}
return r
}