blob: 03b9479afda431b6b35219e92b1f0c17c27ca0c1 (
plain) (
blame)
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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
import java.util.Arrays;
/**
* This class represents a sort-function in a {@link GroupingExpression}. It evaluates to a list that equals the list
* result of the argument, sorted in ascending order.
*
* @author baldersheim
* @author bratseth
*/
public class SortFunction extends FunctionNode {
/**
* Constructs a new instance of this class.
*
* @param exp The expression to evaluate, must evaluate to a list.
*/
public SortFunction(GroupingExpression exp) {
this(null, null, exp);
}
private SortFunction(String label, Integer level, GroupingExpression exp) {
super("sort", label, level, Arrays.asList(exp));
}
@Override
public SortFunction copy() {
return new SortFunction(getLabel(), getLevelOrNull(), getArg(0).copy());
}
}
|
