| using System.Collections.Generic; |
| using System.Diagnostics; |
| |
| namespace Lucene.Net.Index |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /// <summary> |
| /// <seealso cref="IndexReaderContext"/> for <seealso cref="AtomicReader"/> instances. |
| /// </summary> |
| public sealed class AtomicReaderContext : IndexReaderContext |
| { |
| /// <summary> |
| /// The readers ord in the top-level's leaves array </summary> |
| public readonly int Ord; |
| |
| /// <summary> |
| /// The readers absolute doc base </summary> |
| public readonly int DocBase; |
| |
| private readonly AtomicReader reader; |
| private readonly IList<AtomicReaderContext> leaves; |
| |
| /// <summary> |
| /// Creates a new <seealso cref="AtomicReaderContext"/> |
| /// </summary> |
| internal AtomicReaderContext(CompositeReaderContext parent, AtomicReader reader, int ord, int docBase, int leafOrd, int leafDocBase) |
| : base(parent, ord, docBase) |
| { |
| this.Ord = leafOrd; |
| this.DocBase = leafDocBase; |
| this.reader = reader; |
| this.leaves = IsTopLevel ? new[] { this } : null; //LUCENE TO-DO suspicous |
| } |
| |
| internal AtomicReaderContext(AtomicReader atomicReader) |
| : this(null, atomicReader, 0, 0, 0, 0) |
| { |
| } |
| |
| public override IList<AtomicReaderContext> Leaves |
| { |
| get |
| { |
| if (!IsTopLevel) |
| { |
| throw new System.NotSupportedException("this is not a top-level context."); |
| } |
| Debug.Assert(leaves != null); |
| return leaves; |
| } |
| } |
| |
| public override IList<IndexReaderContext> Children |
| { |
| get { return null; } |
| } |
| |
| public override IndexReader Reader |
| { |
| get { return reader; } |
| } |
| |
| // .NET Port: Can't change return type on override like Java, so adding helper property |
| // to avoid a bunch of casting. |
| public AtomicReader AtomicReader |
| { |
| get |
| { |
| return reader; |
| } |
| } |
| } |
| } |