@Override
public void storeSchema(ResourceSchema schema, String location, Job job) throws IOException {
Configuration conf = job.getConfiguration();
DataStorage storage =
new HDataStorage(new Path(location).toUri(), ConfigurationUtil.toProperties(conf));
ElementDescriptor schemaFilePath = storage.asElement(location, schemaFileName);
if (!schemaFilePath.exists() && schema != null) {
try {
new ObjectMapper().writeValue(schemaFilePath.create(), schema);
} catch (JsonGenerationException e) {
log.warn("Unable to write Resource Statistics for " + location);
e.printStackTrace();
} catch (JsonMappingException e) {
log.warn("Unable to write Resource Statistics for " + location);
e.printStackTrace();
}
}
if (printHeaders) {
ElementDescriptor headerFilePath = storage.asElement(location, headerFileName);
if (!headerFilePath.exists()) {
OutputStream os = headerFilePath.create();
try {
String[] names = schema.fieldNames();
String fn;
for (int i = 0; i < names.length; i++) {
fn = ((names[i] == null) ? ("$" + i) : names[i]);
os.write(fn.getBytes("UTF-8"));
if (i < names.length - 1) {
os.write(fieldDel);
} else {
os.write(recordDel);
}
}
} finally {
os.close();
}
}
}
}
@Override
public void storeStatistics(ResourceStatistics stats, String location, Job job)
throws IOException {
Configuration conf = job.getConfiguration();
DataStorage storage =
new HDataStorage(new Path(location).toUri(), ConfigurationUtil.toProperties(conf));
ElementDescriptor statFilePath = storage.asElement(location, statFileName);
if (!statFilePath.exists() && stats != null) {
try {
new ObjectMapper().writeValue(statFilePath.create(), stats);
} catch (JsonGenerationException e) {
log.warn("Unable to write Resource Statistics for " + location);
e.printStackTrace();
} catch (JsonMappingException e) {
log.warn("Unable to write Resource Statistics for " + location);
e.printStackTrace();
}
}
}