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
85
86
87
88
89
90
91
92
93
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.properties;
import com.yahoo.api.annotations.Beta;
import com.yahoo.language.process.Embedder;
import com.yahoo.processing.IllegalInputException;
import com.yahoo.processing.request.CompoundName;
import com.yahoo.search.Query;
import com.yahoo.search.schema.SchemaInfo;
import com.yahoo.search.schema.internal.TensorConverter;
import com.yahoo.search.query.Properties;
import com.yahoo.search.query.ranking.RankFeatures;
import com.yahoo.tensor.Tensor;
import com.yahoo.tensor.TensorType;
import java.util.Map;
/**
* Verifies and converts properties according to any input declarations in the rank profile set on the query.
*
* @author bratseth
*/
@Beta
public class RankProfileInputProperties extends Properties {
private final SchemaInfo schemaInfo;
private final Query query;
private final TensorConverter tensorConverter;
private SchemaInfo.Session session = null;
public RankProfileInputProperties(SchemaInfo schemaInfo, Query query, Map<String, Embedder> embedders) {
this.schemaInfo = schemaInfo;
this.query = query;
this.tensorConverter = new TensorConverter(embedders);
}
@Override
public void set(CompoundName name, Object value, Map<String, String> context) {
if (RankFeatures.isFeatureName(name.toString())) {
TensorType expectedType = typeOf(name);
if (expectedType != null) {
try {
value = tensorConverter.convertTo(expectedType,
name.last(),
value,
query.getModel().getLanguage());
}
catch (IllegalArgumentException e) {
throw new IllegalInputException("Could not set '" + name + "' to '" + value + "'", e);
}
}
}
super.set(name, value, context);
}
@Override
public void requireSettable(CompoundName name, Object value, Map<String, String> context) {
if (RankFeatures.isFeatureName(name.toString())) {
TensorType expectedType = typeOf(name);
if (expectedType != null)
verifyType(name, value, expectedType);
}
super.requireSettable(name, value, context);
}
private TensorType typeOf(CompoundName name) {
// Session is lazily resolved because order matters:
// model.sources+restrict must be set in the query before this is done
if (session == null)
session = schemaInfo.newSession(query);
// In addition, the rank profile must be set before features
return session.rankProfileInput(name.last(), query.getRanking().getProfile());
}
private void verifyType(CompoundName name, Object value, TensorType expectedType) {
if (value instanceof Tensor) {
TensorType valueType = ((Tensor)value).type();
if ( ! valueType.isAssignableTo(expectedType))
throwIllegalInput(name, value, expectedType);
}
else if (expectedType.rank() > 0) { // rank 0 tensor may also be represented as a scalar or string
throwIllegalInput(name, value, expectedType);
}
}
private void throwIllegalInput(CompoundName name, Object value, TensorType expectedType) {
throw new IllegalInputException("Could not set '" + name + "' to '" + value + "': " +
"This input is declared in rank profile '" + query.getRanking().getProfile() +
"' as " + expectedType);
}
}
|
