/// <summary>Return true iff the tuple is full (all data sources contain this key).</summary>
protected internal override bool Combine(object[] srcs, TupleWritable dst)
{
System.Diagnostics.Debug.Assert(srcs.Length == dst.Size());
for (int i = 0; i < srcs.Length; ++i)
{
if (!dst.Has(i))
{
return(false);
}
}
return(true);
}
private void ValidateInnerKeyValue(IntWritable k, TupleWritable v, int tupleSize,
bool firstTuple, bool secondTuple)
{
string kvstr = "Unexpected tuple: " + Stringify(k, v);
NUnit.Framework.Assert.IsTrue(kvstr, v.Size() == tupleSize);
int key = k.Get();
IntWritable val0 = null;
IntWritable val1 = null;
LongWritable val2 = null;
NUnit.Framework.Assert.IsTrue(kvstr, key % 2 == 0 && key / 2 <= Items);
NUnit.Framework.Assert.IsTrue(kvstr, key % 3 == 0 && key / 3 <= Items);
NUnit.Framework.Assert.IsTrue(kvstr, key % 4 == 0 && key / 4 <= Items);
if (firstTuple)
{
TupleWritable v0 = ((TupleWritable)v.Get(0));
val0 = (IntWritable)v0.Get(0);
val1 = (IntWritable)v0.Get(1);
val2 = (LongWritable)v.Get(1);
}
else
{
if (secondTuple)
{
val0 = (IntWritable)v.Get(0);
TupleWritable v1 = ((TupleWritable)v.Get(1));
val1 = (IntWritable)v1.Get(0);
val2 = (LongWritable)v1.Get(1);
}
else
{
val0 = (IntWritable)v.Get(0);
val1 = (IntWritable)v.Get(1);
val2 = (LongWritable)v.Get(2);
}
}
NUnit.Framework.Assert.IsTrue(kvstr, val0.Get() == 0);
NUnit.Framework.Assert.IsTrue(kvstr, val1.Get() == 1);
NUnit.Framework.Assert.IsTrue(kvstr, val2.Get() == 2);
}
/// <summary>Tests that we can write more than 64 values.</summary>
/// <exception cref="System.Exception"/>
public virtual void TestWideTupleBoundary()
{
Text emptyText = new Text("Should not be set written");
Writable[] values = new Writable[65];
Arrays.Fill(values, emptyText);
values[64] = new Text("Should be the only value set written");
TupleWritable tuple = new TupleWritable(values);
tuple.SetWritten(64);
for (int pos = 0; pos < tuple.Size(); pos++)
{
bool has = tuple.Has(pos);
if (pos == 64)
{
NUnit.Framework.Assert.IsTrue(has);
}
else
{
NUnit.Framework.Assert.IsFalse("Tuple position is incorrectly labelled as set: "
+ pos, has);
}
}
}
/// <exception cref="System.Exception"/>
public virtual void TestWideTuple2()
{
Text emptyText = new Text("Should be empty");
Writable[] values = new Writable[64];
Arrays.Fill(values, emptyText);
values[9] = new Text("Number 9");
TupleWritable tuple = new TupleWritable(values);
tuple.SetWritten(9);
for (int pos = 0; pos < tuple.Size(); pos++)
{
bool has = tuple.Has(pos);
if (pos == 9)
{
NUnit.Framework.Assert.IsTrue(has);
}
else
{
NUnit.Framework.Assert.IsFalse("Tuple position is incorrectly labelled as set: "
+ pos, has);
}
}
}
/// <summary>Emit everything from the collector.</summary>
protected internal override bool Combine(object[] srcs, TupleWritable dst)
{
System.Diagnostics.Debug.Assert(srcs.Length == dst.Size());
return(true);
}
