blob: d96f490909ea49dc6cfcbc9288113ff71300e09b (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping;
import com.google.inject.Inject;
import com.yahoo.component.chain.dependencies.After;
import com.yahoo.component.chain.dependencies.Before;
import com.yahoo.component.chain.dependencies.Provides;
import com.yahoo.vespa.config.search.AttributesConfig;
import com.yahoo.container.QrSearchersConfig;
import com.yahoo.processing.request.CompoundName;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.config.ClusterConfig;
import com.yahoo.search.grouping.request.AttributeValue;
import com.yahoo.search.grouping.request.ExpressionVisitor;
import com.yahoo.search.grouping.request.GroupingExpression;
import com.yahoo.search.searchchain.Execution;
import com.yahoo.search.searchchain.PhaseNames;
import java.util.HashSet;
import java.util.Set;
import static com.yahoo.search.grouping.GroupingQueryParser.SELECT_PARAMETER_PARSING;
/**
* This searcher ensure that all {@link GroupingRequest} objects attached to a {@link Query} makes sense to the search
* cluster for which this searcher has been deployed. This searcher uses exceptions to signal invalid grouping
* requests.
*
* @author Simon Thoresen Hult
*/
@Before(PhaseNames.BACKEND)
@After(SELECT_PARAMETER_PARSING)
@Provides(GroupingValidator.GROUPING_VALIDATED)
public class GroupingValidator extends Searcher {
public static final String GROUPING_VALIDATED = "GroupingValidated";
public static final CompoundName PARAM_ENABLED = new CompoundName("validate_" + GroupingQueryParser.PARAM_REQUEST);
private final Set<String> attributeNames = new HashSet<>();
private final String clusterName;
private final boolean enabled;
/**
* Constructs a new instance of this searcher with the given component id and config.
*
* @param qrsConfig The shared config for all searchers.
* @param clusterConfig The config for the cluster that this searcher is deployed for.
*/
@Inject
public GroupingValidator(QrSearchersConfig qrsConfig, ClusterConfig clusterConfig,
AttributesConfig attributesConfig) {
int clusterId = clusterConfig.clusterId();
QrSearchersConfig.Searchcluster.Indexingmode.Enum indexingMode = qrsConfig.searchcluster(clusterId).indexingmode();
enabled = (indexingMode != QrSearchersConfig.Searchcluster.Indexingmode.STREAMING);
clusterName = enabled ? qrsConfig.searchcluster(clusterId).name() : null;
for (AttributesConfig.Attribute attr : attributesConfig.attribute()) {
attributeNames.add(attr.name());
}
}
@Override
public Result search(Query query, Execution execution) {
if (enabled && query.properties().getBoolean(PARAM_ENABLED, true)) {
ExpressionVisitor visitor = new MyVisitor();
for (GroupingRequest req : query.getSelect().getGrouping())
req.getRootOperation().visitExpressions(visitor);
}
return execution.search(query);
}
private class MyVisitor implements ExpressionVisitor {
@Override
public void visitExpression(GroupingExpression exp) {
if (exp instanceof AttributeValue) {
String name = ((AttributeValue)exp).getAttributeName();
if (!attributeNames.contains(name)) {
throw new UnavailableAttributeException(clusterName, name);
}
}
}
}
}
|
