blob: 14d46d134dea19f51809cfddbbf3fb6c187a277b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.search.suggest;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import java.io.IOException;
import java.util.Locale;
import java.util.Objects;
/**
* An enum representing the valid sorting options
*/
public enum SortBy implements Writeable<SortBy> {
/** Sort should first be based on score, then document frequency and then the term itself. */
SCORE,
/** Sort should first be based on document frequency, then score and then the term itself. */
FREQUENCY;
public static SortBy PROTOTYPE = SCORE;
@Override
public void writeTo(final StreamOutput out) throws IOException {
out.writeVInt(ordinal());
}
@Override
public SortBy readFrom(final StreamInput in) throws IOException {
int ordinal = in.readVInt();
if (ordinal < 0 || ordinal >= values().length) {
throw new IOException("Unknown SortBy ordinal [" + ordinal + "]");
}
return values()[ordinal];
}
public static SortBy resolve(final String str) {
Objects.requireNonNull(str, "Input string is null");
return valueOf(str.toUpperCase(Locale.ROOT));
}
}
|