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.internalName = StringHelper.Intern(name); // field names are interned
this.internalIsStored = store.IsStored();
this.internalIsIndexed = index.IsIndexed();
this.internalIsTokenized = index.IsAnalyzed();
this.internalOmitNorms = index.OmitNorms();
this.internalIsBinary = false;
SetStoreTermVector(termVector);
}
protected internal virtual void SetStoreTermVector(Field.TermVector termVector)
{
this.storeTermVector = termVector.IsStored();
this.storePositionWithTermVector = termVector.WithPositions();
this.storeOffsetWithTermVector = termVector.WithOffsets();
}
/// <summary> Creates a field for numeric values with the specified
/// <c>precisionStep</c>. 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 <c>toString(value)</c> of the used data type)
/// </param>
/// <param name="index">if the field should be indexed using <see cref="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)
{
OmitTermFreqAndPositions = true;
tokenStream = new NumericTokenStream(precisionStep);
}
/// <summary> Creates a field for numeric values using the default <c>precisionStep</c>
/// <see cref="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 <c>toString(value)</c> of the used data type)
/// </param>
/// <param name="index">if the field should be indexed using <see cref="NumericTokenStream" />
/// </param>
public NumericField(System.String name, Field.Store store, bool index):this(name, NumericUtils.PRECISION_STEP_DEFAULT, store, index)
{
}
public LazyField(FieldsReader enclosingInstance, System.String name, Field.Store store, Field.Index index, Field.TermVector termVector, int toRead, long pointer, bool isBinary, bool isCompressed):base(name, store, index, termVector)
{
InitBlock(enclosingInstance);
this.toRead = toRead;
this.pointer = pointer;
this.internalIsBinary = isBinary;
if (isBinary)
internalBinaryLength = toRead;
lazy = true;
this.isCompressed = isCompressed;
}
private void AddField(Document.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();
var b = new byte[toRead];
fieldsStream.ReadBytes(b, 0, b.Length);
doc.Add(compressed ? new Field(fi.name, Uncompress(b), Field.Store.YES) : new Field(fi.name, b, Field.Store.YES));
}
else
{
const Field.Store store = Field.Store.YES;
Field.Index index = FieldExtensions.ToIndex(fi.isIndexed, tokenize);
Field.TermVector termVector = FieldExtensions.ToTermVector(fi.storeTermVector, fi.storeOffsetWithTermVector, fi.storePositionWithTermVector);
AbstractField f;
if (compressed)
{
int toRead = fieldsStream.ReadVInt();
var 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) {OmitTermFreqAndPositions = fi.omitTermFreqAndPositions, OmitNorms = fi.omitNorms};
}
else
{
f = new Field(fi.name, false, fieldsStream.ReadString(), store, index, termVector)
{OmitTermFreqAndPositions = fi.omitTermFreqAndPositions, OmitNorms = fi.omitNorms};
}
doc.Add(f);
}
}
