public override void Norms(System.String field, byte[] result, int offset)
{
lock (this)
{
EnsureOpen();
byte[] bytes = (byte[])normsCache[field];
for (int i = 0; i < subReaders.Length; i++)
{
// read from segments
subReaders[i].Norms(field, result, offset + starts[i]);
}
if (bytes == null && !HasNorms(field))
{
for (int i = offset; i < result.Length; i++)
{
result[i] = (byte)DefaultSimilarity.EncodeNorm(1.0f);
}
}
else if (bytes != null)
{
// cache hit
Array.Copy(bytes, 0, result, offset, MaxDoc());
}
else
{
for (int i = 0; i < subReaders.Length; i++)
{
// read from segments
subReaders[i].Norms(field, result, offset + starts[i]);
}
}
}
}
public static void CheckNorms(IndexReader reader)
{
// test omit norms
for (int i = 0; i < DocHelper.fields.Length; i++)
{
IFieldable f = DocHelper.fields[i];
if (f.IsIndexed)
{
Assert.AreEqual(reader.HasNorms(f.Name, null), !f.OmitNorms);
Assert.AreEqual(reader.HasNorms(f.Name, null), !DocHelper.noNorms.Contains(f.Name));
if (!reader.HasNorms(f.Name, null))
{
// test for fake norms of 1.0 or null depending on the flag
byte[] norms = reader.Norms(f.Name, null);
byte norm1 = DefaultSimilarity.EncodeNorm(1.0f);
Assert.IsNull(norms);
norms = new byte[reader.MaxDoc];
reader.Norms(f.Name, norms, 0, null);
for (int j = 0; j < reader.MaxDoc; j++)
{
Assert.AreEqual(norms[j], norm1);
}
}
}
}
}
internal static byte[] CreateFakeNorms(int size)
{
byte[] ones = new byte[size];
byte val = DefaultSimilarity.EncodeNorm(1.0f);
for (int index = 0; index < size; index++)
ones [index] = val;
return ones;
}
internal static byte[] CreateFakeNorms(int size)
{
byte[] ones = new byte[size];
byte val = DefaultSimilarity.EncodeNorm(1.0f);
for (int index = 0; index < size; index++)
{
ones.SetValue(val, index);
}
return(ones);
}
