static TestBackwardsCompatibility()
{
{
try
{
TEXT_COMPRESSED_LENGTH = CompressionTools.Compress(System.Text.Encoding.GetEncoding("UTF-8").GetBytes(TEXT_TO_COMPRESS)).Length;
}
catch (System.Exception e)
{
throw new System.SystemException();
}
}
}
internal void WriteField(FieldInfo fi, Fieldable field)
{
// if the field as an instanceof FieldsReader.FieldForMerge, we're in merge mode
// and field.binaryValue() already returns the compressed value for a field
// with isCompressed()==true, so we disable compression in that case
bool disableCompression = (field is FieldsReader.FieldForMerge);
fieldsStream.WriteVInt(fi.number);
byte bits = 0;
if (field.IsTokenized())
{
bits |= FieldsWriter.FIELD_IS_TOKENIZED;
}
if (field.IsBinary())
{
bits |= FieldsWriter.FIELD_IS_BINARY;
}
if (field.IsCompressed())
{
bits |= FieldsWriter.FIELD_IS_COMPRESSED;
}
fieldsStream.WriteByte(bits);
if (field.IsCompressed())
{
// compression is enabled for the current field
byte[] data;
int len;
int offset;
if (disableCompression)
{
// optimized case for merging, the data
// is already compressed
data = field.GetBinaryValue();
System.Diagnostics.Debug.Assert(data != null);
len = field.GetBinaryLength();
offset = field.GetBinaryOffset();
}
else
{
// check if it is a binary field
if (field.IsBinary())
{
data = CompressionTools.Compress(field.GetBinaryValue(), field.GetBinaryOffset(), field.GetBinaryLength());
}
else
{
byte[] x = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(field.StringValue());
data = CompressionTools.Compress(x, 0, x.Length);
}
len = data.Length;
offset = 0;
}
fieldsStream.WriteVInt(len);
fieldsStream.WriteBytes(data, offset, len);
}
else
{
// compression is disabled for the current field
if (field.IsBinary())
{
byte[] data;
int len;
int offset;
data = field.GetBinaryValue();
len = field.GetBinaryLength();
offset = field.GetBinaryOffset();
fieldsStream.WriteVInt(len);
fieldsStream.WriteBytes(data, offset, len);
}
else
{
fieldsStream.WriteString(field.StringValue());
}
}
}
