本文整理匯總了Java中org.apache.hadoop.fs.FileSystem.setConf方法的典型用法代碼示例。如果您正苦於以下問題:Java FileSystem.setConf方法的具體用法?Java FileSystem.setConf怎麽用?Java FileSystem.setConf使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.fs.FileSystem
的用法示例。
在下文中一共展示了FileSystem.setConf方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testRunner
import org.apache.hadoop.fs.FileSystem; //導入方法依賴的package包/類
/**
* test PipesMapRunner test the transfer data from reader
*
* @throws Exception
*/
@Test
public void testRunner() throws Exception {
// clean old password files
File[] psw = cleanTokenPasswordFile();
try {
RecordReader<FloatWritable, NullWritable> rReader = new ReaderPipesMapRunner();
JobConf conf = new JobConf();
conf.set(Submitter.IS_JAVA_RR, "true");
// for stdour and stderror
conf.set(MRJobConfig.TASK_ATTEMPT_ID, taskName);
CombineOutputCollector<IntWritable, Text> output = new CombineOutputCollector<IntWritable, Text>(
new Counters.Counter(), new Progress());
FileSystem fs = new RawLocalFileSystem();
fs.setConf(conf);
Writer<IntWritable, Text> wr = new Writer<IntWritable, Text>(conf, fs.create(
new Path(workSpace + File.separator + "outfile")), IntWritable.class,
Text.class, null, null, true);
output.setWriter(wr);
// stub for client
File fCommand = getFileCommand("org.apache.hadoop.mapred.pipes.PipeApplicationRunnableStub");
conf.set(MRJobConfig.CACHE_LOCALFILES, fCommand.getAbsolutePath());
// token for authorization
Token<AMRMTokenIdentifier> token = new Token<AMRMTokenIdentifier>(
"user".getBytes(), "password".getBytes(), new Text("kind"), new Text(
"service"));
TokenCache.setJobToken(token, conf.getCredentials());
conf.setBoolean(MRJobConfig.SKIP_RECORDS, true);
TestTaskReporter reporter = new TestTaskReporter();
PipesMapRunner<FloatWritable, NullWritable, IntWritable, Text> runner = new PipesMapRunner<FloatWritable, NullWritable, IntWritable, Text>();
initStdOut(conf);
runner.configure(conf);
runner.run(rReader, output, reporter);
String stdOut = readStdOut(conf);
// test part of translated data. As common file for client and test -
// clients stdOut
// check version
assertTrue(stdOut.contains("CURRENT_PROTOCOL_VERSION:0"));
// check key and value classes
assertTrue(stdOut
.contains("Key class:org.apache.hadoop.io.FloatWritable"));
assertTrue(stdOut
.contains("Value class:org.apache.hadoop.io.NullWritable"));
// test have sent all data from reader
assertTrue(stdOut.contains("value:0.0"));
assertTrue(stdOut.contains("value:9.0"));
} finally {
if (psw != null) {
// remove password files
for (File file : psw) {
file.deleteOnExit();
}
}
}
}