Ejemplo n.º 1
0
 // append fields from storedFieldReaders
 public override Document.Document Document(int n, FieldSelector fieldSelector)
 {
     EnsureOpen();
     Document.Document result = new Document.Document();
     foreach (IndexReader reader in storedFieldReaders)
     {
         bool include = (fieldSelector == null);
         if (!include)
         {
             var fields = readerToFields[reader];
             foreach (var field in fields)
             {
                 if (fieldSelector.Accept(field) != FieldSelectorResult.NO_LOAD)
                 {
                     include = true;
                     break;
                 }
             }
         }
         if (include)
         {
             var fields = reader.Document(n, fieldSelector).GetFields();
             foreach (var field in fields)
             {
                 result.Add(field);
             }
         }
     }
     return(result);
 }
Ejemplo n.º 2
0
        public /*internal*/ Document Doc(int n, FieldSelector fieldSelector)
        {
            SeekIndex(n);
            long position = indexStream.ReadLong();

            fieldsStream.Seek(position);

            var doc       = new Document();
            int numFields = fieldsStream.ReadVInt();

            for (int i = 0; i < numFields; i++)
            {
                int fieldNumber = fieldsStream.ReadVInt();
                var fi          = fieldInfos.FieldInfo(fieldNumber);
                var acceptField = fieldSelector == null?FieldSelectorResult.LOAD:fieldSelector.Accept(fi.name);

                byte bits = fieldsStream.ReadByte();
                System.Diagnostics.Debug.Assert(bits <= FieldsWriter.FIELD_IS_COMPRESSED + FieldsWriter.FIELD_IS_TOKENIZED + FieldsWriter.FIELD_IS_BINARY);

                bool compressed = (bits & FieldsWriter.FIELD_IS_COMPRESSED) != 0;
                System.Diagnostics.Debug.Assert(
                    (!compressed || (format < FieldsWriter.FORMAT_LUCENE_3_0_NO_COMPRESSED_FIELDS)),
                    "compressed fields are only allowed in indexes of version <= 2.9");
                bool tokenize = (bits & FieldsWriter.FIELD_IS_TOKENIZED) != 0;
                bool binary   = (bits & FieldsWriter.FIELD_IS_BINARY) != 0;
                //TODO: Find an alternative approach here if this list continues to grow beyond the
                //list of 5 or 6 currently here.  See Lucene 762 for discussion
                if (acceptField.Equals(FieldSelectorResult.LOAD))
                {
                    AddField(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.LOAD_AND_BREAK))
                {
                    AddField(doc, fi, binary, compressed, tokenize);
                    break;                     //Get out of this loop
                }
                else if (acceptField.Equals(FieldSelectorResult.LAZY_LOAD))
                {
                    AddFieldLazy(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.SIZE))
                {
                    SkipField(binary, compressed, AddFieldSize(doc, fi, binary, compressed));
                }
                else if (acceptField.Equals(FieldSelectorResult.SIZE_AND_BREAK))
                {
                    AddFieldSize(doc, fi, binary, compressed);
                    break;
                }
                else
                {
                    SkipField(binary, compressed);
                }
            }

            return(doc);
        }
Ejemplo n.º 3
0
        /*internal*/
        public Document Doc(int n, FieldSelector fieldSelector)
        {
            SeekIndex(n);
            long position = indexStream.ReadLong();
            fieldsStream.Seek(position);

            var doc = new Document();
            int numFields = fieldsStream.ReadVInt();
            for (int i = 0; i < numFields; i++)
            {
                int fieldNumber = fieldsStream.ReadVInt();
                FieldInfo fi = fieldInfos.FieldInfo(fieldNumber);
                FieldSelectorResult acceptField = fieldSelector == null?FieldSelectorResult.LOAD:fieldSelector.Accept(fi.name);

                byte bits = fieldsStream.ReadByte();
                System.Diagnostics.Debug.Assert(bits <= FieldsWriter.FIELD_IS_COMPRESSED + FieldsWriter.FIELD_IS_TOKENIZED + FieldsWriter.FIELD_IS_BINARY);

                bool compressed = (bits & FieldsWriter.FIELD_IS_COMPRESSED) != 0;
                System.Diagnostics.Debug.Assert(
                    (!compressed || (format < FieldsWriter.FORMAT_LUCENE_3_0_NO_COMPRESSED_FIELDS)),
                    "compressed fields are only allowed in indexes of version <= 2.9");
                bool tokenize = (bits & FieldsWriter.FIELD_IS_TOKENIZED) != 0;
                bool binary = (bits & FieldsWriter.FIELD_IS_BINARY) != 0;
                //TODO: Find an alternative approach here if this list continues to grow beyond the
                //list of 5 or 6 currently here.  See Lucene 762 for discussion
                if (acceptField.Equals(FieldSelectorResult.LOAD))
                {
                    AddField(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.LOAD_AND_BREAK))
                {
                    AddField(doc, fi, binary, compressed, tokenize);
                    break; //Get out of this loop
                }
                else if (acceptField.Equals(FieldSelectorResult.LAZY_LOAD))
                {
                    AddFieldLazy(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.SIZE))
                {
                    SkipField(binary, compressed, AddFieldSize(doc, fi, binary, compressed));
                }
                else if (acceptField.Equals(FieldSelectorResult.SIZE_AND_BREAK))
                {
                    AddFieldSize(doc, fi, binary, compressed);
                    break;
                }
                else
                {
                    SkipField(binary, compressed);
                }
            }

            return doc;
        }
Ejemplo n.º 4
0
        public Document Doc(int n, FieldSelector fieldSelector)
        {
            indexStream.Seek(n * 8L);
            long position = indexStream.ReadLong();

            fieldsStream.Seek(position);

            Document doc       = new Document();
            int      numFields = fieldsStream.ReadVInt();

            for (int i = 0; i < numFields; i++)
            {
                int                 fieldNumber = fieldsStream.ReadVInt();
                FieldInfo           fi          = fieldInfos.FieldInfo(fieldNumber);
                FieldSelectorResult acceptField = fieldSelector == null ? FieldSelectorResult.LOAD : fieldSelector.Accept(fi.name);

                byte bits       = fieldsStream.ReadByte();
                bool compressed = (bits & FieldsWriter.FIELD_IS_COMPRESSED) != 0;
                bool tokenize   = (bits & FieldsWriter.FIELD_IS_TOKENIZED) != 0;
                bool binary     = (bits & FieldsWriter.FIELD_IS_BINARY) != 0;
                //TODO: Find an alternative approach here if this list continues to grow beyond the
                //list of 5 or 6 currently here.  See Lucene 762 for discussion
                if (acceptField.Equals(FieldSelectorResult.LOAD))
                {
                    AddField(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.LOAD_FOR_MERGE))
                {
                    AddFieldForMerge(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.LOAD_AND_BREAK))
                {
                    AddField(doc, fi, binary, compressed, tokenize);
                    break;                     //Get out of this loop
                }
                else if (acceptField.Equals(FieldSelectorResult.LAZY_LOAD))
                {
                    AddFieldLazy(doc, fi, binary, compressed, tokenize);
                }
                else if (acceptField.Equals(FieldSelectorResult.SIZE))
                {
                    SkipField(binary, compressed, AddFieldSize(doc, fi, binary, compressed));
                }
                else if (acceptField.Equals(FieldSelectorResult.SIZE_AND_BREAK))
                {
                    AddFieldSize(doc, fi, binary, compressed);
                    break;
                }
                else
                {
                    SkipField(binary, compressed);
                }
            }

            return(doc);
        }
Ejemplo n.º 5
0
		public Document Doc(int n, FieldSelector fieldSelector)
		{
			indexStream.Seek(n * 8L);
			long position = indexStream.ReadLong();
			fieldsStream.Seek(position);
			
			Document doc = new Document();
			int numFields = fieldsStream.ReadVInt();
			for (int i = 0; i < numFields; i++)
			{
				int fieldNumber = fieldsStream.ReadVInt();
				FieldInfo fi = fieldInfos.FieldInfo(fieldNumber);
				FieldSelectorResult acceptField = fieldSelector == null ? FieldSelectorResult.LOAD : fieldSelector.Accept(fi.name);
				
				byte bits = fieldsStream.ReadByte();
				bool compressed = (bits & FieldsWriter.FIELD_IS_COMPRESSED) != 0;
				bool tokenize = (bits & FieldsWriter.FIELD_IS_TOKENIZED) != 0;
				bool binary = (bits & FieldsWriter.FIELD_IS_BINARY) != 0;
				//TODO: Find an alternative approach here if this list continues to grow beyond the
				//list of 5 or 6 currently here.  See Lucene 762 for discussion
				if (acceptField.Equals(FieldSelectorResult.LOAD))
				{
					AddField(doc, fi, binary, compressed, tokenize);
				}
				else if (acceptField.Equals(FieldSelectorResult.LOAD_FOR_MERGE))
				{
					AddFieldForMerge(doc, fi, binary, compressed, tokenize);
				}
				else if (acceptField.Equals(FieldSelectorResult.LOAD_AND_BREAK))
				{
					AddField(doc, fi, binary, compressed, tokenize);
					break; //Get out of this loop
				}
				else if (acceptField.Equals(FieldSelectorResult.LAZY_LOAD))
				{
					AddFieldLazy(doc, fi, binary, compressed, tokenize);
				}
				else if (acceptField.Equals(FieldSelectorResult.SIZE))
				{
					SkipField(binary, compressed, AddFieldSize(doc, fi, binary, compressed));
				}
				else if (acceptField.Equals(FieldSelectorResult.SIZE_AND_BREAK))
				{
					AddFieldSize(doc, fi, binary, compressed);
					break;
				}
				else
				{
					SkipField(binary, compressed);
				}
			}
			
			return doc;
		}
Ejemplo n.º 6
0
		// append fields from storedFieldReaders
		public override Document.Document Document(int n, FieldSelector fieldSelector)
		{
			EnsureOpen();
			Document.Document result = new Document.Document();
			foreach(IndexReader reader in storedFieldReaders)
			{
				bool include = (fieldSelector == null);
				if (!include)
				{
				    var fields = readerToFields[reader];
					foreach(var field in fields)
					{
                        if (fieldSelector.Accept(field) != FieldSelectorResult.NO_LOAD)
						{
							include = true;
							break;
						}
					}
				}
				if (include)
				{
				    var fields = reader.Document(n, fieldSelector).GetFields();
					foreach(var field in fields)
					{
                        result.Add(field);
					}
				}
			}
			return result;
		}