blob: 4615c046853692c1748260555547536e5272f7bd (
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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.semantics.rule;
import java.util.Iterator;
import com.yahoo.prelude.semantics.engine.Choicepoint;
import com.yahoo.prelude.semantics.engine.RuleEvaluation;
/**
* A set of conditions which much match the query in sequence
*
* @author bratseth
*/
public class SequenceCondition extends CompositeCondition {
public SequenceCondition() {
}
public boolean doesMatch(RuleEvaluation e) {
Choicepoint choicepoint = e.getChoicepoint(this, true);
choicepoint.updateState();
boolean matches = allSubConditionsMatches(e);
if (!matches)
choicepoint.backtrack();
return matches;
}
protected boolean useParentheses() {
return (getParent() != null
&& ! (getParent() instanceof ChoiceCondition));
}
public String toInnerString() {
return toInnerString(" ");
}
}
|