| namespace Lucene.Net.Analysis.TokenAttributes |
| { |
| /* |
| * 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 Attribute = Lucene.Net.Util.Attribute; |
| using IAttribute = Lucene.Net.Util.IAttribute; |
| using BytesRef = Lucene.Net.Util.BytesRef; |
| |
| /// <summary> |
| /// Default implementation of <see cref="IPayloadAttribute"/>. </summary> |
| public class PayloadAttribute : Attribute, IPayloadAttribute // LUCENENET specific: Not implementing ICloneable per Microsoft's recommendation |
| { |
| private BytesRef payload; |
| |
| /// <summary> |
| /// Initialize this attribute with no payload. |
| /// </summary> |
| public PayloadAttribute() |
| { |
| } |
| |
| /// <summary> |
| /// Initialize this attribute with the given payload. |
| /// </summary> |
| public PayloadAttribute(BytesRef payload) |
| { |
| this.payload = payload; |
| } |
| |
| public virtual BytesRef Payload |
| { |
| get => this.payload; |
| set => this.payload = value; |
| } |
| |
| public override void Clear() |
| { |
| payload = null; |
| } |
| |
| public override object Clone() |
| { |
| PayloadAttribute clone = (PayloadAttribute)base.Clone(); |
| if (payload != null) |
| { |
| clone.payload = (BytesRef)payload.Clone(); |
| } |
| return clone; |
| } |
| |
| public override bool Equals(object other) |
| { |
| if (other == this) |
| { |
| return true; |
| } |
| |
| if (other is PayloadAttribute o) |
| { |
| if (o.payload == null || payload == null) |
| { |
| return o.payload == null && payload == null; |
| } |
| |
| return o.payload.Equals(payload); |
| } |
| |
| return false; |
| } |
| |
| public override int GetHashCode() |
| { |
| return (payload == null) ? 0 : payload.GetHashCode(); |
| } |
| |
| public override void CopyTo(IAttribute target) |
| { |
| PayloadAttribute t = (PayloadAttribute)target; |
| t.Payload = (payload == null) ? null : (BytesRef)payload.Clone(); |
| } |
| } |
| } |