/* * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ using System; namespace Lucene.Net.Index { sealed class SegmentMergeInfo { internal Term term; internal int base_Renamed; internal TermEnum termEnum; internal IndexReader reader; internal TermPositions postings; internal int[] docMap = null; // maps around deleted docs internal SegmentMergeInfo(int b, TermEnum te, IndexReader r) { base_Renamed = b; reader = r; termEnum = te; term = te.Term(); postings = reader.TermPositions(); // build array which maps document numbers around deletions if (reader.HasDeletions()) { int maxDoc = reader.MaxDoc(); docMap = new int[maxDoc]; int j = 0; for (int i = 0; i < maxDoc; i++) { if (reader.IsDeleted(i)) docMap[i] = - 1; else docMap[i] = j++; } } } internal bool Next() { if (termEnum.Next()) { term = termEnum.Term(); return true; } else { term = null; return false; } } internal void Close() { termEnum.Close(); postings.Close(); } } }