| /* |
| * 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. |
| */ |
| |
| using System; |
| |
| namespace Lucene.Net.Index |
| { |
| /// <summary> |
| /// Base class for enumerating all but deleted docs. |
| /// |
| /// <p/>NOTE: this class is meant only to be used internally |
| /// by Lucene; it's only public so it can be shared across |
| /// packages. This means the API is freely subject to |
| /// change, and, the class could be removed entirely, in any |
| /// Lucene release. Use directly at your own risk! */ |
| /// </summary> |
| public abstract class AbstractAllTermDocs : TermDocs |
| { |
| protected int maxDoc; |
| protected int internalDoc = -1; |
| |
| protected AbstractAllTermDocs(int maxDoc) |
| { |
| this.maxDoc = maxDoc; |
| } |
| |
| public void Seek(Term term) |
| { |
| if (term == null) |
| { |
| internalDoc = -1; |
| } |
| else |
| { |
| throw new NotSupportedException(); |
| } |
| } |
| |
| public void Seek(TermEnum termEnum) |
| { |
| throw new NotSupportedException(); |
| } |
| |
| public int Doc |
| { |
| get { return internalDoc; } |
| } |
| |
| public int Freq |
| { |
| get { return 1; } |
| } |
| |
| public bool Next() |
| { |
| return SkipTo(internalDoc + 1); |
| } |
| |
| public int Read(int[] docs, int[] freqs) |
| { |
| int length = docs.Length; |
| int i = 0; |
| while (i < length && internalDoc < maxDoc) |
| { |
| if (!IsDeleted(internalDoc)) |
| { |
| docs[i] = internalDoc; |
| freqs[i] = 1; |
| ++i; |
| } |
| internalDoc++; |
| } |
| return i; |
| } |
| |
| public bool SkipTo(int target) |
| { |
| internalDoc = target; |
| while (internalDoc < maxDoc) |
| { |
| if (!IsDeleted(internalDoc)) |
| { |
| return true; |
| } |
| internalDoc++; |
| } |
| return false; |
| } |
| |
| public void Close() |
| { |
| Dispose(); |
| } |
| |
| public void Dispose() |
| { |
| Dispose(true); |
| } |
| |
| protected abstract void Dispose(bool disposing); |
| |
| public abstract bool IsDeleted(int doc); |
| } |
| } |