public LazyField(FieldsReader enclosingInstance, System.String name, Field.Store store, Field.Index index, Field.TermVector termVector, int toRead, long pointer, bool isBinary):base(name, store, index, termVector)
{
InitBlock(enclosingInstance);
this.toRead = toRead;
this.pointer = pointer;
this.isBinary = isBinary;
if (isBinary)
binaryLength = toRead;
lazy = true;
}
private void AddField(Document doc, FieldInfo fi, bool binary, bool compressed, bool tokenize)
{
//we have a binary stored field, and it may be compressed
if (binary)
{
int toRead = fieldsStream.ReadVInt();
byte[] b = new byte[toRead];
fieldsStream.ReadBytes(b, 0, b.Length);
if (compressed)
doc.Add(new Field(fi.name, Uncompress(b), Field.Store.COMPRESS));
else
doc.Add(new Field(fi.name, b, Field.Store.YES));
}
else
{
Field.Store store = Field.Store.YES;
Field.Index index = GetIndexType(fi, tokenize);
Field.TermVector termVector = GetTermVectorType(fi);
AbstractField f;
if (compressed)
{
store = Field.Store.COMPRESS;
int toRead = fieldsStream.ReadVInt();
byte[] b = new byte[toRead];
fieldsStream.ReadBytes(b, 0, b.Length);
f = new Field(fi.name, false, System.Text.Encoding.GetEncoding("UTF-8").GetString(Uncompress(b)), store, index, termVector);
f.SetOmitTermFreqAndPositions(fi.omitTermFreqAndPositions);
f.SetOmitNorms(fi.omitNorms);
}
else
{
f = new Field(fi.name, false, fieldsStream.ReadString(), store, index, termVector);
f.SetOmitTermFreqAndPositions(fi.omitTermFreqAndPositions);
f.SetOmitNorms(fi.omitNorms);
}
doc.Add(f);
}
}
/// <summary> Creates a field for numeric values with the specified
/// <code>precisionStep</code>. The instance is not yet initialized with
/// a numeric value, before indexing a document containing this field,
/// set a value using the various set<em>???</em>Value() methods.
/// </summary>
/// <param name="name">the field name
/// </param>
/// <param name="precisionStep">the used <a href="../search/NumericRangeQuery.html#precisionStepDesc">precision step</a>
/// </param>
/// <param name="store">if the field should be stored in plain text form
/// (according to <code>toString(value)</code> of the used data type)
/// </param>
/// <param name="index">if the field should be indexed using {@link NumericTokenStream}
/// </param>
public NumericField(System.String name, int precisionStep, Field.Store store, bool index):base(name, store, index?Field.Index.ANALYZED_NO_NORMS:Field.Index.NO, Field.TermVector.NO)
{
SetOmitTermFreqAndPositions(true);
tokenStream = new NumericTokenStream(precisionStep);
}
/// <summary> Creates a field for numeric values using the default <code>precisionStep</code>
/// {@link NumericUtils#PRECISION_STEP_DEFAULT} (4). The instance is not yet initialized with
/// a numeric value, before indexing a document containing this field,
/// set a value using the various set<em>???</em>Value() methods.
/// </summary>
/// <param name="name">the field name
/// </param>
/// <param name="store">if the field should be stored in plain text form
/// (according to <code>toString(value)</code> of the used data type)
/// </param>
/// <param name="index">if the field should be indexed using {@link NumericTokenStream}
/// </param>
public NumericField(System.String name, Field.Store store, bool index):this(name, NumericUtils.PRECISION_STEP_DEFAULT, store, index)
{
}
protected internal AbstractField(System.String name, Field.Store store, Field.Index index, Field.TermVector termVector)
{
if (name == null)
throw new System.NullReferenceException("name cannot be null");
this.name = StringHelper.Intern(name); // field names are interned
if (store == Field.Store.YES)
{
this.isStored = true;
this.isCompressed = false;
}
else if (store == Field.Store.COMPRESS)
{
this.isStored = true;
this.isCompressed = true;
}
else if (store == Field.Store.NO)
{
this.isStored = false;
this.isCompressed = false;
}
else
{
throw new System.ArgumentException("unknown store parameter " + store);
}
if (index == Field.Index.NO)
{
this.isIndexed = false;
this.isTokenized = false;
}
else if (index == Field.Index.ANALYZED)
{
this.isIndexed = true;
this.isTokenized = true;
}
else if (index == Field.Index.NOT_ANALYZED)
{
this.isIndexed = true;
this.isTokenized = false;
}
else if (index == Field.Index.NOT_ANALYZED_NO_NORMS)
{
this.isIndexed = true;
this.isTokenized = false;
this.omitNorms = true;
}
else if (index == Field.Index.ANALYZED_NO_NORMS)
{
this.isIndexed = true;
this.isTokenized = true;
this.omitNorms = true;
}
else
{
throw new System.ArgumentException("unknown index parameter " + index);
}
this.isBinary = false;
SetStoreTermVector(termVector);
}
protected internal virtual void SetStoreTermVector(Field.TermVector termVector)
{
if (termVector == Field.TermVector.NO)
{
this.storeTermVector = false;
this.storePositionWithTermVector = false;
this.storeOffsetWithTermVector = false;
}
else if (termVector == Field.TermVector.YES)
{
this.storeTermVector = true;
this.storePositionWithTermVector = false;
this.storeOffsetWithTermVector = false;
}
else if (termVector == Field.TermVector.WITH_POSITIONS)
{
this.storeTermVector = true;
this.storePositionWithTermVector = true;
this.storeOffsetWithTermVector = false;
}
else if (termVector == Field.TermVector.WITH_OFFSETS)
{
this.storeTermVector = true;
this.storePositionWithTermVector = false;
this.storeOffsetWithTermVector = true;
}
else if (termVector == Field.TermVector.WITH_POSITIONS_OFFSETS)
{
this.storeTermVector = true;
this.storePositionWithTermVector = true;
this.storeOffsetWithTermVector = true;
}
else
{
throw new System.ArgumentException("unknown termVector parameter " + termVector);
}
}
