2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
20 namespace Mono.Lucene.Net.Search.Payloads
24 /// <summary> Returns the maximum payload score seen, else 1 if there are no payloads on the doc.
26 /// Is thread safe and completely reusable.
31 public class MaxPayloadFunction:PayloadFunction
33 public override float CurrentScore(int docId, System.String field, int start, int end, int numPayloadsSeen, float currentScore, float currentPayloadScore)
35 if (numPayloadsSeen == 0)
37 return currentPayloadScore;
41 return System.Math.Max(currentPayloadScore, currentScore);
45 public override float DocScore(int docId, System.String field, int numPayloadsSeen, float payloadScore)
47 return numPayloadsSeen > 0?payloadScore:1;
50 public override int GetHashCode()
54 result = prime * result + this.GetType().GetHashCode();
58 public override bool Equals(System.Object obj)
64 if (GetType() != obj.GetType())