public Map<String, Object> run(Map<String, Object> args) throws Exception {
String batchId = (String) args.get(Nutch.ARG_BATCH);
if (batchId != null) {
getConf().set(GeneratorJob.BATCH_ID, batchId);
}
// map to inverted subset due for fetch, sort by score
Long topN = (Long) args.get(Nutch.ARG_TOPN);
Long curTime = (Long) args.get(Nutch.ARG_CURTIME);
if (curTime == null) {
curTime = System.currentTimeMillis();
}
Boolean filter = (Boolean) args.get(Nutch.ARG_FILTER);
Boolean norm = (Boolean) args.get(Nutch.ARG_NORMALIZE);
// map to inverted subset due for fetch, sort by score
getConf().setLong(GENERATOR_CUR_TIME, curTime);
if (topN != null) getConf().setLong(GENERATOR_TOP_N, topN);
if (filter != null) getConf().setBoolean(GENERATOR_FILTER, filter);
getConf().setLong(Nutch.GENERATE_TIME_KEY, System.currentTimeMillis());
if (norm != null) getConf().setBoolean(GENERATOR_NORMALISE, norm);
String mode = getConf().get(GENERATOR_COUNT_MODE, GENERATOR_COUNT_VALUE_HOST);
if (GENERATOR_COUNT_VALUE_HOST.equalsIgnoreCase(mode)) {
getConf().set(URLPartitioner.PARTITION_MODE_KEY, URLPartitioner.PARTITION_MODE_HOST);
} else if (GENERATOR_COUNT_VALUE_DOMAIN.equalsIgnoreCase(mode)) {
getConf().set(URLPartitioner.PARTITION_MODE_KEY, URLPartitioner.PARTITION_MODE_DOMAIN);
} else {
LOG.warn(
"Unknown generator.max.count mode '"
+ mode
+ "', using mode="
+ GENERATOR_COUNT_VALUE_HOST);
getConf().set(GENERATOR_COUNT_MODE, GENERATOR_COUNT_VALUE_HOST);
getConf().set(URLPartitioner.PARTITION_MODE_KEY, URLPartitioner.PARTITION_MODE_HOST);
}
numJobs = 1;
currentJobNum = 0;
currentJob = new NutchJob(getConf(), "generate: " + getConf().get(BATCH_ID));
Collection<WebPage.Field> fields = getFields(currentJob);
StorageUtils.initMapperJob(
currentJob,
fields,
SelectorEntry.class,
WebPage.class,
GeneratorMapper.class,
SelectorEntryPartitioner.class,
true);
StorageUtils.initReducerJob(currentJob, GeneratorReducer.class);
currentJob.waitForCompletion(true);
ToolUtil.recordJobStatus(null, currentJob, results);
results.put(BATCH_ID, getConf().get(BATCH_ID));
long generateCount =
currentJob.getCounters().findCounter("Generator", "GENERATE_MARK").getValue();
results.put(GENERATE_COUNT, generateCount);
return results;
}
