| using System; |
| |
| namespace Lucene.Net.Codecs |
| { |
| /* |
| * 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 BinaryDocValues = Lucene.Net.Index.BinaryDocValues; |
| using IBits = Lucene.Net.Util.IBits; |
| using FieldInfo = Lucene.Net.Index.FieldInfo; |
| using NumericDocValues = Lucene.Net.Index.NumericDocValues; |
| using SortedDocValues = Lucene.Net.Index.SortedDocValues; |
| using SortedSetDocValues = Lucene.Net.Index.SortedSetDocValues; |
| |
| /// <summary> |
| /// Abstract API that produces numeric, binary and |
| /// sorted docvalues. |
| /// <para/> |
| /// @lucene.experimental |
| /// </summary> |
| public abstract class DocValuesProducer : IDisposable |
| { |
| /// <summary> |
| /// Sole constructor. (For invocation by subclass |
| /// constructors, typically implicit.) |
| /// </summary> |
| protected internal DocValuesProducer() |
| { |
| } |
| |
| /// <summary> |
| /// Returns <see cref="NumericDocValues"/> for this field. |
| /// The returned instance need not be thread-safe: it will only be |
| /// used by a single thread. |
| /// </summary> |
| public abstract NumericDocValues GetNumeric(FieldInfo field); |
| |
| /// <summary> |
| /// Returns <see cref="BinaryDocValues"/> for this field. |
| /// The returned instance need not be thread-safe: it will only be |
| /// used by a single thread. |
| /// </summary> |
| public abstract BinaryDocValues GetBinary(FieldInfo field); |
| |
| /// <summary> |
| /// Returns <see cref="SortedDocValues"/> for this field. |
| /// The returned instance need not be thread-safe: it will only be |
| /// used by a single thread. |
| /// </summary> |
| public abstract SortedDocValues GetSorted(FieldInfo field); |
| |
| /// <summary> |
| /// Returns <see cref="SortedSetDocValues"/> for this field. |
| /// The returned instance need not be thread-safe: it will only be |
| /// used by a single thread. |
| /// </summary> |
| public abstract SortedSetDocValues GetSortedSet(FieldInfo field); |
| |
| /// <summary> |
| /// Returns a <see cref="IBits"/> at the size of <c>reader.MaxDoc</c>, |
| /// with turned on bits for each docid that does have a value for this field. |
| /// The returned instance need not be thread-safe: it will only be |
| /// used by a single thread. |
| /// </summary> |
| public abstract IBits GetDocsWithField(FieldInfo field); |
| |
| /// <summary> |
| /// Returns approximate RAM bytes used. </summary> |
| public abstract long RamBytesUsed(); |
| |
| /// <summary> |
| /// Checks consistency of this producer. |
| /// <para/> |
| /// Note that this may be costly in terms of I/O, e.g. |
| /// may involve computing a checksum value against large data files. |
| /// <para/> |
| /// @lucene.internal |
| /// </summary> |
| public abstract void CheckIntegrity(); |
| |
| /// <summary> |
| /// Disposes all resources used by this object. |
| /// </summary> |
| public virtual void Dispose() |
| { |
| Dispose(true); |
| GC.SuppressFinalize(this); |
| } |
| |
| /// <summary> |
| /// Implementations must override and should dispose all resources used by this instance. |
| /// </summary> |
| protected abstract void Dispose(bool disposing); |
| } |
| } |