blob: e603ab0811d06b9ab251a1d2e869e367c9292ea1 (
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchlib.expression;
/**
* This function is an instruction to negate its argument.
*
* @author baldersheim
* @author Simon Thoresen Hult
*/
public class ToStringFunctionNode extends UnaryFunctionNode {
public static final int classId = registerClass(0x4000 + 131, ToStringFunctionNode.class);
/**
* Constructs an empty result node. <b>NOTE:</b> This instance is broken until non-optional member data is set.
*/
public ToStringFunctionNode() {
}
/**
* Constructs an instance of this class with given argument.
*
* @param arg The argument for this function.
*/
public ToStringFunctionNode(ExpressionNode arg) {
addArg(arg);
}
@Override
protected int onGetClassId() {
return classId;
}
@Override
public void onPrepareResult() {
setResult(new StringResultNode());
}
@Override
public boolean onExecute() {
getArg().execute();
((StringResultNode)getResult()).setValue(getArg().getResult().getString());
return true;
}
@Override
protected boolean equalsUnaryFunction(UnaryFunctionNode obj) {
return true;
}
}
|