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MinPayloadFunction.cs
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MinPayloadFunction.cs
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using System;
namespace Lucene.Net.Search.Payloads
{
/*
* 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.
*/
/// <summary>
/// Calculates the minimum payload seen
/// </summary>
public class MinPayloadFunction : PayloadFunction
{
public override float CurrentScore(int docId, string field, int start, int end, int numPayloadsSeen, float currentScore, float currentPayloadScore)
{
if (numPayloadsSeen == 0)
{
return currentPayloadScore;
}
else
{
return Math.Min(currentPayloadScore, currentScore);
}
}
public override float DocScore(int docId, string field, int numPayloadsSeen, float payloadScore)
{
return numPayloadsSeen > 0 ? payloadScore : 1;
}
public override int GetHashCode()
{
const int prime = 31;
int result = 1;
result = prime * result + this.GetType().GetHashCode();
return result;
}
public override bool Equals(object obj)
{
if (this == obj)
{
return true;
}
if (obj is null)
{
return false;
}
if (this.GetType() != obj.GetType())
{
return false;
}
return true;
}
}
}