We then set up a second selector that specifies a sequence number of 2 along with the group identifier.
然后，我们将设置第二个选择器，以执行序列号2和相应的组标识符。
We achieve this by setting up a new consumer on each iteration that selects based on the group identifier and sequence number that we require.
为此，我们将在每个迭代上设置一个新使用者，以根据组标识符和所需的序列号进行选择。
If we receive the last message in a group, then we can obtain the group identifier and use its sequence number to determine the size of the group.
如果接收到了组中的最后一条消息，则可以获取组标识符，并使用其序列号来确定组的大小。
The queue manager will then continue to use the same group identifier and increment the sequence number each time.
队列管理器将随后继续使用相同的组标识符，并在每次递增序列号。
Each of the messages has been allocated the same 24-byte group identifier along with a logical sequence number running from 1 through 5.
为每条消息分配了相同的24位组标识符，且分别具有从1到5的逻辑序列号。
A principal is a unique entity such as the name of an individual or group, an account number, a social security number, or similar unique identifier.
principal是一个惟一的实体，比如个人或者组的名字、帐号、社会安全号或者类似的惟一标识。
The group identifier is set to the JMSXGroupId string property and the sequence number to the JMSXGroupSeq integer property.
组标识符设置为JMSXGroupId字符串属性，序列号设置为JMSXGroupSeq整数属性。
The group identifier is set to the JMSXGroupId string property and the sequence number to the JMSXGroupSeq integer property.
组标识符设置为JMSXGroupId字符串属性，序列号设置为JMSXGroupSeq整数属性。
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