/**
* print the file header, with the node name the raw data and the feature field
*
* @param out stream where write the feature data
* @param f feature that this close will dump
*/
protected void printHeader(Formatter out, Feature f) {
Field fields[] = f.getFieldsDesc();
out.format("Log start on," + DATE_FORMAT_TO_HEADER.format(mStartLog) + "\n");
out.format("Feature," + f.getName() + "\n");
out.format("Nodes,");
if (mNodeList != null) for (Node n : mNodeList) out.format(n.getFriendlyName() + ", ");
out.format("\n");
out.format(
HOST_TIMESTAMP_COLUMN
+ " (ms),"
+ NODE_NAME_COLUMN
+ ","
+ NODE_TIMESTAMP_COLUMN
+ ","
+ ""
+ NODE_RAW_DATA_COLUMN
+ ",");
for (Field field : fields) {
out.format(field.getName());
String unit = field.getUnit();
if (unit != null && !unit.isEmpty()) out.format(" (%s)", field.getUnit());
out.format(",");
} // for
out.format("\n");
out.flush();
} // printHeader
