/**
* 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
@Test
public void testUpdateOffset() throws Throwable {
Feature f = new FeatureMicLevel(null);
byte data[] = new byte[] {0, 0, 0, 1, 2, 3};
UpdateFeatureUtil.callUpdate(f, 2, data, 3);
Assert.assertEquals(
new Feature.Sample(2, new Byte[] {data[3], data[4], data[5]}, new Field[] {}),
f.getSample());
Assert.assertEquals(data.length - 3, f.getFieldsDesc().length);
}
@Test
public void testUpdate() throws Throwable {
Feature f = new FeatureMicLevel(null);
byte data[] = new byte[] {1, 2, 3};
UpdateFeatureUtil.callUpdate(f, 1, data, 0);
Assert.assertEquals(
new Feature.Sample(1, new Byte[] {data[0], data[1], data[2]}, new Field[] {}),
f.getSample());
Assert.assertEquals(data.length, f.getFieldsDesc().length);
}
/**
* create a string with the path where store the log. the name will have a timestamp for be unique
*
* @param f feature to log
* @return file path where store the log for that feature
*/
protected String logFeatureFileName(Feature f) {
return String.format("%s/%s_%s.csv", mDirectoryPath, logSessionPrefix(), f.getName());
}