| /* |
| * 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>Abstract class for enumerating terms. |
| /// <p/>Term enumerations are always ordered by Term.compareTo(). Each term in |
| /// the enumeration is greater than all that precede it. |
| /// </summary> |
| public abstract class TermEnum : IDisposable |
| { |
| /// <summary>Increments the enumeration to the next element. True if one exists.</summary> |
| public abstract bool Next(); |
| |
| /// <summary>Returns the current Term in the enumeration.</summary> |
| public abstract Term Term { get; } |
| |
| /// <summary>Returns the docFreq of the current Term in the enumeration.</summary> |
| public abstract int DocFreq(); |
| |
| /// <summary>Closes the enumeration to further activity, freeing resources. </summary> |
| [Obsolete("Use Dispose() instead")] |
| public void Close() |
| { |
| Dispose(); |
| } |
| |
| /// <summary>Closes the enumeration to further activity, freeing resources. </summary> |
| public void Dispose() |
| { |
| Dispose(true); |
| } |
| |
| protected abstract void Dispose(bool disposing); |
| } |
| } |