/// <exception cref="System.IO.IOException"/>
private void WriteData(FileSystem fs, int elementSize)
{
MapFile.Delete(fs, File);
SetFile.Writer writer = new SetFile.Writer(fs, File, typeof(IntWritable));
for (int i = 0; i < elementSize; i++)
{
writer.Append(new IntWritable(i));
}
writer.Close();
}
/// <exception cref="System.IO.IOException"/>
private static void WriteTest(FileSystem fs, RandomDatum[] data, string file, SequenceFile.CompressionType
compress)
{
MapFile.Delete(fs, file);
Log.Info("creating with " + data.Length + " records");
SetFile.Writer writer = new SetFile.Writer(conf, fs, file, WritableComparator.Get
(typeof(RandomDatum)), compress);
for (int i = 0; i < data.Length; i++)
{
writer.Append(data[i]);
}
writer.Close();
}
/// <exception cref="System.IO.IOException"/>
private static void WriteTest(FileSystem fs, RandomDatum[] data, string file)
{
Configuration conf = new Configuration();
MapFile.Delete(fs, file);
if (Log.IsDebugEnabled())
{
Log.Debug("creating with " + data.Length + " debug");
}
ArrayFile.Writer writer = new ArrayFile.Writer(conf, fs, file, typeof(RandomDatum
));
writer.SetIndexInterval(100);
for (int i = 0; i < data.Length; i++)
{
writer.Append(data[i]);
}
writer.Close();
}
public virtual void TestRename()
{
string NewFileName = "test-new.mapfile";
string OldFileName = "test-old.mapfile";
MapFile.Writer writer = null;
try
{
FileSystem fs = FileSystem.GetLocal(conf);
writer = CreateWriter(OldFileName, typeof(IntWritable), typeof(IntWritable));
writer.Close();
MapFile.Rename(fs, new Path(TestDir, OldFileName).ToString(), new Path(TestDir, NewFileName
).ToString());
MapFile.Delete(fs, new Path(TestDir, NewFileName).ToString());
}
catch (IOException ex)
{
NUnit.Framework.Assert.Fail("testRename error " + ex);
}
finally
{
IOUtils.Cleanup(null, writer);
}
}