blob: ebafd8f1d24596dad64839703fcff1d1e6759ad2 (
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.document;
import com.yahoo.document.ArrayDataType;
import com.yahoo.document.DataType;
import com.yahoo.document.MapDataType;
import com.yahoo.document.StructDataType;
/**
* Utils used to check whether a complex field supports being represented as struct field attributes.
*
* Currently we support:
* - array of simple struct
* - map of primitive type to simple struct
* - map of primitive type to primitive type
*
* A simple struct can contain fields of any type, but only fields of primitive type can be defined as
* struct field attributes in the complex field using the simple struct.
*
* @author geirst
*/
public class ComplexAttributeFieldUtils {
public static boolean isSupportedComplexField(ImmutableSDField field) {
return (isArrayOfSimpleStruct(field) ||
isMapOfSimpleStruct(field) ||
isMapOfPrimitiveType(field));
}
public static boolean isArrayOfSimpleStruct(ImmutableSDField field) {
if (field.getDataType() instanceof ArrayDataType) {
ArrayDataType arrayType = (ArrayDataType)field.getDataType();
return isStructWithPrimitiveStructFieldAttributes(arrayType.getNestedType(), field);
} else {
return false;
}
}
public static boolean isMapOfSimpleStruct(ImmutableSDField field) {
if (field.getDataType() instanceof MapDataType) {
MapDataType mapType = (MapDataType)field.getDataType();
return isPrimitiveType(mapType.getKeyType()) &&
isStructWithPrimitiveStructFieldAttributes(mapType.getValueType(),
field.getStructField("value"));
} else {
return false;
}
}
public static boolean isMapOfPrimitiveType(ImmutableSDField field) {
if (field.getDataType() instanceof MapDataType) {
MapDataType mapType = (MapDataType)field.getDataType();
return isPrimitiveType(mapType.getKeyType()) &&
isPrimitiveType(mapType.getValueType());
} else {
return false;
}
}
private static boolean isStructWithPrimitiveStructFieldAttributes(DataType type, ImmutableSDField field) {
if (type instanceof StructDataType && ! GeoPos.isPos(type)) {
for (ImmutableSDField structField : field.getStructFields()) {
Attribute attribute = structField.getAttributes().get(structField.getName());
if (attribute != null) {
if (!isPrimitiveType(attribute)) {
return false;
}
} else if (structField.wasConfiguredToDoAttributing()) {
if (!isPrimitiveType(structField.getDataType())) {
return false;
}
}
if (!structField.isImportedField() && hasStructFieldAttributes(structField)) {
return false;
}
}
return true;
} else {
return false;
}
}
private static boolean hasStructFieldAttributes(ImmutableSDField field) {
for (var structField : field.getStructFields()) {
var attribute = structField.getAttributes().get(structField.getName());
if (attribute != null) {
return true;
}
if (hasStructFieldAttributes(structField)) {
return true;
}
}
return false;
}
public static boolean isPrimitiveType(Attribute attribute) {
return attribute.getCollectionType().equals(Attribute.CollectionType.SINGLE) &&
isPrimitiveType(attribute.getDataType());
}
public static boolean isPrimitiveType(DataType dataType) {
return dataType.equals(DataType.BYTE) ||
dataType.equals(DataType.INT) ||
dataType.equals(DataType.LONG) ||
dataType.equals(DataType.FLOAT) ||
dataType.equals(DataType.DOUBLE) ||
dataType.equals(DataType.STRING);
}
public static boolean isComplexFieldWithOnlyStructFieldAttributes(ImmutableSDField field) {
if (isArrayOfSimpleStruct(field)) {
return hasOnlyStructFieldAttributes(field);
} else if (isMapOfSimpleStruct(field)) {
return (field.getStructField("key").hasSingleAttribute()) &&
hasOnlyStructFieldAttributes(field.getStructField("value"));
} else if (isMapOfPrimitiveType(field)) {
return (field.getStructField("key").hasSingleAttribute() &&
field.getStructField("value").hasSingleAttribute());
}
return false;
}
private static boolean hasOnlyStructFieldAttributes(ImmutableSDField field) {
for (ImmutableSDField structField : field.getStructFields()) {
if (!structField.hasSingleAttribute()) {
return false;
}
}
return true;
}
}
|
