Example #1
0
        public MultiTermEnum(IndexReader[] readers, int[] starts, Term t)
        {
            queue = new SegmentMergeQueue(readers.Length);
            for (int i = 0; i < readers.Length; i++)
            {
                IndexReader reader = readers[i];
                TermEnum    termEnum;

                if (t != null)
                {
                    termEnum = reader.Terms(t);
                }
                else
                {
                    termEnum = reader.Terms();
                }

                SegmentMergeInfo smi = new SegmentMergeInfo(starts[i], termEnum, reader);
                if (t == null?smi.Next():termEnum.Term() != null)
                {
                    queue.Put(smi);
                }
                // initialize queue
                else
                {
                    smi.Close();
                }
            }

            if (t != null && queue.Size() > 0)
            {
                Next();
            }
        }
Example #2
0
        private void  MergeTermInfos()
        {
            int base_Renamed = 0;

            for (int i = 0; i < readers.Count; i++)
            {
                IndexReader      reader   = (IndexReader)readers[i];
                TermEnum         termEnum = reader.Terms();
                SegmentMergeInfo smi      = new SegmentMergeInfo(base_Renamed, termEnum, reader);
                base_Renamed += reader.NumDocs();
                if (smi.Next())
                {
                    queue.Put(smi);
                }
                // initialize queue
                else
                {
                    smi.Close();
                }
            }

            SegmentMergeInfo[] match = new SegmentMergeInfo[readers.Count];

            while (queue.Size() > 0)
            {
                int matchSize = 0;                 // pop matching terms
                match[matchSize++] = (SegmentMergeInfo)queue.Pop();
                Term             term = match[0].term;
                SegmentMergeInfo top  = (SegmentMergeInfo)queue.Top();

                while (top != null && term.CompareTo(top.term) == 0)
                {
                    match[matchSize++] = (SegmentMergeInfo)queue.Pop();
                    top = (SegmentMergeInfo)queue.Top();
                }

                MergeTermInfo(match, matchSize);                 // add new TermInfo

                while (matchSize > 0)
                {
                    SegmentMergeInfo smi = match[--matchSize];
                    if (smi.Next())
                    {
                        queue.Put(smi);
                    }
                    // restore queue
                    else
                    {
                        smi.Close();                         // done with a segment
                    }
                }
            }
        }
Example #3
0
		public MultiTermEnum(IndexReader[] readers, int[] starts, Term t)
		{
			queue = new SegmentMergeQueue(readers.Length);
			for (int i = 0; i < readers.Length; i++)
			{
				IndexReader reader = readers[i];
				TermEnum termEnum;
				
				if (t != null)
				{
					termEnum = reader.Terms(t);
				}
				else
					termEnum = reader.Terms();
				
				SegmentMergeInfo smi = new SegmentMergeInfo(starts[i], termEnum, reader);
				if (t == null?smi.Next():termEnum.Term() != null)
					queue.Put(smi);
				// initialize queue
				else
					smi.Close();
			}
			
			if (t != null && queue.Size() > 0)
			{
				Next();
			}
		}
Example #4
0
            internal SegmentMergeInfo[] matchingSegments; // null terminated array of matching segments
            
            public MultiTermEnum(IndexReader topReader, IndexReader[] readers, int[] starts, Term t)
            {
                this.topReader = topReader;
                queue = new SegmentMergeQueue(readers.Length);
                matchingSegments = new SegmentMergeInfo[readers.Length + 1];
                for (int i = 0; i < readers.Length; i++)
                {
                    IndexReader reader = readers[i];

                	TermEnum termEnum = t != null ? reader.Terms(t) : reader.Terms();

                	var smi = new SegmentMergeInfo(starts[i], termEnum, reader) {ord = i};
                	if (t == null?smi.Next():termEnum.Term != null)
                        queue.Add(smi);
                    // initialize queue
                    else
                        smi.Dispose();
                }
                
                if (t != null && queue.Size() > 0)
                {
                    Next();
                }
            }