Installation guide

164 Sun Java System RFID Software 3.0 Administration Guide • February 2006
In this example, the adapter receives three class 1, 64-bit EPC tags from the
reader. The first tag was detected once, the second tag was detected three times,
and the third tag was detected fifteen times. In release 3.0 , the time that the tag
was read is used as the current time. The adapter ignores the count and class
type, which are not passed up stream to the event listeners.
Any application hosted on the Symbol MC9000-G device that conforms to this
protocol will suffice. In most cases, these applications are built for a specific
engagement. Contact your Sun Microsystems, Inc. representative to obtain a sample
hand-held application that reads the contents of the comma-separated
RFIDTagList.csv file that is generated by the Symbol RFID sample application
that is shipped with your device. After reading this file, the sample Sun application
sends the tag data that is read to this adapter using the format previously defined.
Applications are expected to use the RFID Software reader or web service APIs to
query the tag list. In this case, set the autoread property to false, and have the
application control how often to query for tags. Alternatively, a connector can be
chained to this adapter to post a list of tags to a listening application. In this case,
you might set the autoread property to true. Setting the autoread property to true
enables a periodic set of queries can be generated to the handheld device and the list
of tags posted when the reader posts its data.
Note – The list of tags is only valid for a single query or posting.
Two consecutive queries to the adapter for a list of tags results in two separate
attempts to collect RFID data from the device. Typically, the adapter queries the
device for a list of tags on cycle n, resulting in tag list L1. On attempt n+1, the
adapter might get an empty list if the hand-held device is not connected. On attempt
n+2, the adapter might get tag list L2. A tag list is erased from the adapter buffer
after the list is posted to its listeners.
The adapter properties for this reader are shown in
TABLE A-13.
TABLE A-13 Adapter Properties for the Symbol MC9000-G Reader
Name Description Values
Name Unique name identifying
this adapter.
Sample value = SSocketAdapter
classname Java class name. com.sun.autoid.adapter.ssocket.
SSocketAdapter
Common Properties
See TABLE 2-4 for general description and values
LogLevel
hostname
readerepc
autoread