/// <exception cref="System.Exception"/>
public virtual void TestTotalOrderBinarySearch()
{
TotalOrderPartitioner <Text, NullWritable> partitioner = new TotalOrderPartitioner
<Text, NullWritable>();
Configuration conf = new Configuration();
Path p = TestTotalOrderPartitioner.WritePartitionFile <Text>("totalorderbinarysearch"
, conf, splitStrings);
conf.SetBoolean(TotalOrderPartitioner.NaturalOrder, false);
conf.SetClass(MRJobConfig.MapOutputKeyClass, typeof(Text), typeof(object));
try
{
partitioner.SetConf(conf);
NullWritable nw = NullWritable.Get();
foreach (TestTotalOrderPartitioner.Check <Text> chk in testStrings)
{
NUnit.Framework.Assert.AreEqual(chk.data.ToString(), chk.part, partitioner.GetPartition
(chk.data, nw, splitStrings.Length + 1));
}
}
finally
{
p.GetFileSystem(conf).Delete(p, true);
}
}
/// <exception cref="System.Exception"/>
public virtual void TestTotalOrderCustomComparator()
{
TotalOrderPartitioner <Text, NullWritable> partitioner = new TotalOrderPartitioner
<Text, NullWritable>();
Configuration conf = new Configuration();
Text[] revSplitStrings = Arrays.CopyOf(splitStrings, splitStrings.Length);
Arrays.Sort(revSplitStrings, new TestTotalOrderPartitioner.ReverseStringComparator
());
Path p = TestTotalOrderPartitioner.WritePartitionFile <Text>("totalordercustomcomparator"
, conf, revSplitStrings);
conf.SetBoolean(TotalOrderPartitioner.NaturalOrder, false);
conf.SetClass(MRJobConfig.MapOutputKeyClass, typeof(Text), typeof(object));
conf.SetClass(MRJobConfig.KeyComparator, typeof(TestTotalOrderPartitioner.ReverseStringComparator
), typeof(RawComparator));
AList <TestTotalOrderPartitioner.Check <Text> > revCheck = new AList <TestTotalOrderPartitioner.Check
<Text> >();
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("aaaaa"), 9));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("aaabb"), 9));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("aabbb"), 9));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("aaaaa"), 9));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("babbb"), 8));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("baabb"), 8));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("yai"), 1));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("yak"), 1));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("z"), 0));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("ddngo"), 4));
revCheck.AddItem(new TestTotalOrderPartitioner.Check <Text>(new Text("hi"), 3));
try
{
partitioner.SetConf(conf);
NullWritable nw = NullWritable.Get();
foreach (TestTotalOrderPartitioner.Check <Text> chk in revCheck)
{
NUnit.Framework.Assert.AreEqual(chk.data.ToString(), chk.part, partitioner.GetPartition
(chk.data, nw, splitStrings.Length + 1));
}
}
finally
{
p.GetFileSystem(conf).Delete(p, true);
}
}