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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.document;
import java.io.Serializable;
/**
* The rank settings given in a rank clause in the search definition.
*
* @author Vegard Havdal
*/
public class Ranking implements Cloneable, Serializable {
private boolean literal = false;
private boolean filter = false;
private boolean normal = false;
/**
* <p>Returns whether literal (non-stemmed, non-normalized) forms of the words should
* be indexed in a separate index which is searched by a automatically added rank term
* during searches.</p>
*
* <p>Default is false.</p>
*/
public boolean isLiteral() { return literal; }
public void setLiteral(boolean literal) { this.literal = literal; }
/**
* <p>Returns whether this is a filter. Filters will only tell if they are matched or not,
* no detailed relevance information will be available about the match.</p>
*
* <p>Matching a filter is much cheaper for the search engine than matching a regular field.</p>
*
* <p>Default is false.</p>
*/
public boolean isFilter() { return filter && !normal; }
public void setFilter(boolean filter) { this.filter = filter; }
/** Whether user has explicitly requested normal (non-filter) behavior */
public boolean isNormal() { return normal; }
public void setNormal(boolean n) { this.normal = n; }
/** Returns true if the given rank settings are the same */
@Override
public boolean equals(Object o) {
if ( ! (o instanceof Ranking)) return false;
Ranking other=(Ranking)o;
if (this.filter != other.filter) return false;
if (this.literal != other.literal) return false;
if (this.normal != other.normal) return false;
return true;
}
@Override
public int hashCode() {
return java.util.Objects.hash(filter, literal, normal);
}
@Override
public String toString() {
return "rank settings [filter: " + filter + ", literal: " + literal + ", normal: "+normal+"]";
}
@Override
public Ranking clone() {
try {
return (Ranking)super.clone();
}
catch (CloneNotSupportedException e) {
throw new RuntimeException("Programming error", e);
}
}
}
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