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 * 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
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 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.lucene.queries.payloads;

Calculate the final score as the sum of scores of all payloads seen.

Is thread safe and completely reusable.

/** * Calculate the final score as the sum of scores of all payloads seen. * <p> * Is thread safe and completely reusable. * **/
public class SumPayloadFunction extends PayloadFunction { @Override public float currentScore(int docId, String field, int start, int end, int numPayloadsSeen, float currentScore, float currentPayloadScore) { return currentPayloadScore + currentScore; } @Override public float docScore(int docId, String field, int numPayloadsSeen, float payloadScore) { return numPayloadsSeen > 0 ? payloadScore : 1; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + this.getClass().hashCode(); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; return true; } }