예제 #1
0
		internal override void  Seek(TermInfo ti, Term term)
		{
			base.Seek(ti, term);
			if (ti != null)
				lazySkipPointer = ti.proxPointer;
			
			lazySkipProxCount = 0;
			proxCount = 0;
			payloadLength = 0;
			needToLoadPayload = false;
		}
예제 #2
0
        internal virtual void  Seek(TermInfo ti, Term term)
        {
            count = 0;
            FieldInfo fi = parent.core.fieldInfos.FieldInfo(term.Field);

            currentFieldOmitTermFreqAndPositions = (fi != null) && fi.omitTermFreqAndPositions;
            currentFieldStoresPayloads           = (fi != null) && fi.storePayloads;
            if (ti == null)
            {
                df = 0;
            }
            else
            {
                df              = ti.docFreq;
                doc             = 0;
                freqBasePointer = ti.freqPointer;
                proxBasePointer = ti.proxPointer;
                skipPointer     = freqBasePointer + ti.skipOffset;
                freqStream.Seek(freqBasePointer);
                haveSkipped = false;
            }
        }
예제 #3
0
        /// <summary>Adds a new &lt;fieldNumber, termBytes&gt;, TermInfo> pair to the set.
        /// Term must be lexicographically greater than all previous Terms added.
        /// TermInfo pointers must be positive and greater than all previous.
        /// </summary>
        internal void  Add(int fieldNumber, byte[] termBytes, int termBytesLength, TermInfo ti)
        {
            System.Diagnostics.Debug.Assert(CompareToLastTerm(fieldNumber, termBytes, termBytesLength) < 0 ||
                                            (isIndex && termBytesLength == 0 && lastTermBytesLength == 0),
                                            "Terms are out of order: field=" + fieldInfos.FieldName(fieldNumber) + " (number " + fieldNumber + ")" +
                                            " lastField=" + fieldInfos.FieldName(lastFieldNumber) + " (number " + lastFieldNumber + ")" +
                                            " text=" + System.Text.Encoding.UTF8.GetString(termBytes, 0, termBytesLength) + " lastText=" + System.Text.Encoding.UTF8.GetString(lastTermBytes, 0, lastTermBytesLength));

            System.Diagnostics.Debug.Assert(ti.freqPointer >= lastTi.freqPointer, "freqPointer out of order (" + ti.freqPointer + " < " + lastTi.freqPointer + ")");
            System.Diagnostics.Debug.Assert(ti.proxPointer >= lastTi.proxPointer, "proxPointer out of order (" + ti.proxPointer + " < " + lastTi.proxPointer + ")");

            if (!isIndex && size % indexInterval == 0)
            {
                other.Add(lastFieldNumber, lastTermBytes, lastTermBytesLength, lastTi); // add an index term
            }
            WriteTerm(fieldNumber, termBytes, termBytesLength);                         // write term

            output.WriteVInt(ti.docFreq);                                               // write doc freq
            output.WriteVLong(ti.freqPointer - lastTi.freqPointer);                     // write pointers
            output.WriteVLong(ti.proxPointer - lastTi.proxPointer);

            if (ti.docFreq >= skipInterval)
            {
                output.WriteVInt(ti.skipOffset);
            }

            if (isIndex)
            {
                output.WriteVLong(other.output.FilePointer - lastIndexPointer);
                lastIndexPointer = other.output.FilePointer;                 // write pointer
            }

            lastFieldNumber = fieldNumber;
            lastTi.Set(ti);
            size++;
        }
예제 #4
0
 internal void  Add(Term term, TermInfo ti)
 {
     UnicodeUtil.UTF16toUTF8(term.Text, 0, term.Text.Length, utf8Result);
     Add(fieldInfos.FieldNumber(term.Field), utf8Result.result, utf8Result.length, ti);
 }
예제 #5
0
 /// <summary>Sets the argument to the current TermInfo in the enumeration.
 /// Initially invalid, valid after next() called for the first time.
 /// </summary>
 internal void  TermInfo(TermInfo ti)
 {
     ti.Set(termInfo);
 }
예제 #6
0
		/// <summary>Sets the argument to the current TermInfo in the enumeration.
		/// Initially invalid, valid after next() called for the first time.
		/// </summary>
		internal void  TermInfo(TermInfo ti)
		{
			ti.Set(termInfo);
		}
예제 #7
0
		internal void  Seek(long pointer, long p, Term t, TermInfo ti)
		{
			input.Seek(pointer);
			position = p;
			termBuffer.Set(t);
			prevBuffer.Reset();
			termInfo.Set(ti);
		}
예제 #8
0
        public virtual void  Seek(Term term)
        {
            TermInfo ti = parent.core.GetTermsReader().Get(term);

            Seek(ti, term);
        }
예제 #9
0
        /// <summary>Adds a new &lt;fieldNumber, termBytes&gt;, TermInfo> pair to the set.
		/// Term must be lexicographically greater than all previous Terms added.
		/// TermInfo pointers must be positive and greater than all previous.
		/// </summary>
		internal void  Add(int fieldNumber, byte[] termBytes, int termBytesLength, TermInfo ti)
		{
			
			System.Diagnostics.Debug.Assert(CompareToLastTerm(fieldNumber, termBytes, termBytesLength) < 0 ||
					(isIndex && termBytesLength == 0 && lastTermBytesLength == 0), 
				"Terms are out of order: field=" + fieldInfos.FieldName(fieldNumber) + " (number " + fieldNumber + ")" + 
			 	" lastField=" + fieldInfos.FieldName(lastFieldNumber) + " (number " + lastFieldNumber + ")" + 
			 	" text=" + System.Text.Encoding.UTF8.GetString(termBytes, 0, termBytesLength) + " lastText=" + System.Text.Encoding.UTF8.GetString(lastTermBytes, 0, lastTermBytesLength));
			
			System.Diagnostics.Debug.Assert(ti.freqPointer >= lastTi.freqPointer, "freqPointer out of order (" + ti.freqPointer + " < " + lastTi.freqPointer + ")");
			System.Diagnostics.Debug.Assert(ti.proxPointer >= lastTi.proxPointer, "proxPointer out of order (" + ti.proxPointer + " < " + lastTi.proxPointer + ")");
			
			if (!isIndex && size % indexInterval == 0)
				other.Add(lastFieldNumber, lastTermBytes, lastTermBytesLength, lastTi); // add an index term
			
			WriteTerm(fieldNumber, termBytes, termBytesLength); // write term
			
			output.WriteVInt(ti.docFreq); // write doc freq
			output.WriteVLong(ti.freqPointer - lastTi.freqPointer); // write pointers
			output.WriteVLong(ti.proxPointer - lastTi.proxPointer);
			
			if (ti.docFreq >= skipInterval)
			{
				output.WriteVInt(ti.skipOffset);
			}
			
			if (isIndex)
			{
				output.WriteVLong(other.output.FilePointer - lastIndexPointer);
				lastIndexPointer = other.output.FilePointer; // write pointer
			}
			
			lastFieldNumber = fieldNumber;
			lastTi.Set(ti);
			size++;
		}
예제 #10
0
		internal void  Add(Term term, TermInfo ti)
		{
			UnicodeUtil.UTF16toUTF8(term.Text, 0, term.Text.Length, utf8Result);
			Add(fieldInfos.FieldNumber(term.Field), utf8Result.result, utf8Result.length, ti);
		}
예제 #11
0
		internal virtual void  Seek(TermInfo ti, Term term)
		{
			count = 0;
			FieldInfo fi = parent.core.fieldInfos.FieldInfo(term.Field);
			currentFieldOmitTermFreqAndPositions = (fi != null) && fi.omitTermFreqAndPositions;
			currentFieldStoresPayloads = (fi != null) && fi.storePayloads;
			if (ti == null)
			{
				df = 0;
			}
			else
			{
				df = ti.docFreq;
				doc = 0;
				freqBasePointer = ti.freqPointer;
				proxBasePointer = ti.proxPointer;
				skipPointer = freqBasePointer + ti.skipOffset;
				freqStream.Seek(freqBasePointer);
				haveSkipped = false;
			}
		}