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public interface LoggerListener
Change listener to notify of events when log data has been recieved, a data stream EOF has occurred, a comment has been received, and
header defs have been changed by the NXT-side lejos.util.NXTDataLogger
.
LoggerProtocolManager.addLoggerListener(lejos.pc.charting.LoggerListener)
Method Summary | |
---|---|
void |
dataInputStreamEOF()
Invoked when an EOFException (or other IOException ) occurs from the LoggerComms
instance. |
void |
logCommentReceived(int timestamp,
java.lang.String comment)
Invoked when a comment is logged. |
void |
logFieldNamesChanged(java.lang.String[] logFields)
Invoked when the log field headers are initially set or changed. |
void |
logLineAvailable(DataItem[] logDataItems)
Invoked when a log line [whose fields are defined in NXTDataLogger.setColumns() ] is logged and
NXTDataLogger.finishLine() is invoked. |
Method Detail |
---|
void logLineAvailable(DataItem[] logDataItems)
NXTDataLogger.setColumns()
] is logged and
NXTDataLogger.finishLine()
is invoked.
Each logged data field/column is represented by a
DataItem
instance which provides the datatype and value in a wrapper class.
logDataItems
- The array of DataItem
instances representing a line of logged data.DataItem
,
lejos.util.NXTDataLogger
void dataInputStreamEOF()
EOFException
(or other IOException
) occurs from the LoggerComms
instance.
LoggerComms
void logFieldNamesChanged(java.lang.String[] logFields)
The string format/structure of each string field passed by NXTDataLogger is:
[name]![y or n to indicate if charted]![axis ID 1-4]
i.e.
"MySeries!y!1"
logFields
- The array of header valueslejos.util.LogColumn
void logCommentReceived(int timestamp, java.lang.String comment)
finishLine()
method completes. In
NXTChartingLogger
, comments are displayed on the chart as an event marker on the domain axis with
the comment text as a label and the timestamp as the domain (X) value of the marker.
timestamp
- The timestamp when the comment was generated on the NXTcomment
- The text comment
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