本文整理汇总了Java中org.apache.hcatalog.mapreduce.OutputJobInfo类的典型用法代码示例。如果您正苦于以下问题：Java OutputJobInfo类的具体用法？Java OutputJobInfo怎么用？Java OutputJobInfo使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
OutputJobInfo类属于org.apache.hcatalog.mapreduce包，在下文中一共展示了OutputJobInfo类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: loadHCatTable
import org.apache.hcatalog.mapreduce.OutputJobInfo; //导入依赖的package包/类
public List<HCatRecord> loadHCatTable(String dbName,
String tableName, Map<String, String> partKeyMap,
HCatSchema tblSchema, List<HCatRecord> records)
throws Exception {
Job job = new Job(conf, "HCat load job");
job.setJarByClass(this.getClass());
job.setMapperClass(HCatWriterMapper.class);
// Just writ 10 lines to the file to drive the mapper
Path path = new Path(fs.getWorkingDirectory(),
"mapreduce/HCatTableIndexInput");
job.getConfiguration()
.setInt(ConfigurationConstants.PROP_MAPRED_MAP_TASKS, 1);
int writeCount = records.size();
recsToLoad.clear();
recsToLoad.addAll(records);
createInputFile(path, writeCount);
// input/output settings
HCatWriterMapper.setWrittenRecordCount(0);
FileInputFormat.setInputPaths(job, path);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(HCatOutputFormat.class);
OutputJobInfo outputJobInfo = OutputJobInfo.create(dbName, tableName,
partKeyMap);
HCatOutputFormat.setOutput(job, outputJobInfo);
HCatOutputFormat.setSchema(job, tblSchema);
job.setMapOutputKeyClass(BytesWritable.class);
job.setMapOutputValueClass(DefaultHCatRecord.class);
job.setNumReduceTasks(0);
SqoopHCatUtilities.addJars(job, new SqoopOptions());
boolean success = job.waitForCompletion(true);
if (!success) {
throw new IOException("Loading HCatalog table with test records failed");
}
utils.invokeOutputCommitterForLocalMode(job);
LOG.info("Loaded " + HCatWriterMapper.writtenRecordCount + " records");
return recsToLoad;
}