本文整理汇总了Java中org.apache.hadoop.fs.FileContext.create方法的典型用法代码示例。如果您正苦于以下问题：Java FileContext.create方法的具体用法？Java FileContext.create怎么用？Java FileContext.create使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.fs.FileContext的用法示例。
在下文中一共展示了FileContext.create方法的5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: createTmpFile
import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
byte[] createTmpFile(Path dst, Random r, int len)
throws IOException {
// use unmodified local context
FileContext lfs = FileContext.getLocalFSFileContext();
dst = lfs.makeQualified(dst);
lfs.mkdir(dst.getParent(), null, true);
byte[] bytes = new byte[len];
FSDataOutputStream out = null;
try {
out = lfs.create(dst, EnumSet.of(CREATE, OVERWRITE));
r.nextBytes(bytes);
out.write(bytes);
} finally {
if (out != null) out.close();
}
return bytes;
}
示例2: close
import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
@Override
public void close() throws IOException {
// Output the result to a file Results in the output dir
FileContext fc;
try {
fc = FileContext.getFileContext(jobConf);
} catch (IOException ioe) {
System.err.println("Can not initialize the file system: " +
ioe.getLocalizedMessage());
return;
}
FSDataOutputStream o = fc.create(FileOutputFormat.getTaskOutputPath(jobConf, "Results"),
EnumSet.of(CreateFlag.CREATE));
PrintStream out = new PrintStream(o);
printResults(out);
out.close();
o.close();
}
示例3: createFile
import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
static void createFile(FileContext files, Path p, int len, Random r)
throws IOException {
FSDataOutputStream out = null;
try {
byte[] bytes = new byte[len];
out = files.create(p, EnumSet.of(CREATE, OVERWRITE));
r.nextBytes(bytes);
out.write(bytes);
} finally {
if (out != null) out.close();
}
}
示例4: writeFile
import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
private static void writeFile(FileContext fc, Path name, int fileSize)
throws IOException {
// Create and write a file that contains three blocks of data
FSDataOutputStream stm = fc.create(name, EnumSet.of(CreateFlag.CREATE),
Options.CreateOpts.createParent());
byte[] buffer = new byte[fileSize];
Random rand = new Random(seed);
rand.nextBytes(buffer);
stm.write(buffer);
stm.close();
}
示例5: createLogFile
import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
/**
* Create simple log file
*
* @return
* @throws IOException
*/
private Path createLogFile() throws IOException {
FileContext files = FileContext.getLocalFSFileContext();
Path ws = new Path(workSpace.getAbsoluteFile().getAbsolutePath());
files.delete(ws, true);
Path workSpacePath = new Path(workSpace.getAbsolutePath(), "log");
files.mkdir(workSpacePath, null, true);
LOG.info("create logfile.log");
Path logfile1 = new Path(workSpacePath, "logfile.log");
FSDataOutputStream os = files.create(logfile1,
EnumSet.of(CreateFlag.CREATE));
os.writeBytes("4 3" + EL + "1 3" + EL + "4 44" + EL);
os.writeBytes("2 3" + EL + "1 3" + EL + "0 45" + EL);
os.writeBytes("4 3" + EL + "1 3" + EL + "1 44" + EL);
os.flush();
os.close();
LOG.info("create logfile1.log");
Path logfile2 = new Path(workSpacePath, "logfile1.log");
os = files.create(logfile2, EnumSet.of(CreateFlag.CREATE));
os.writeBytes("4 3" + EL + "1 3" + EL + "3 44" + EL);
os.writeBytes("2 3" + EL + "1 3" + EL + "0 45" + EL);
os.writeBytes("4 3" + EL + "1 3" + EL + "1 44" + EL);
os.flush();
os.close();
return workSpacePath;
}