blob: 79fbeb9911909c8994d497eba5008bf19fc2f326 (
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
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.query;
import java.nio.ByteBuffer;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* Match a field with the contained regular expression.
*
* @author Steinar Knutsen
*/
public class RegExpItem extends TermItem {
private String expression;
private Pattern regexp;
public RegExpItem(String indexName, boolean isFromQuery, String expression) {
super(indexName, isFromQuery, null);
setValue(expression);
}
@Override
public String stringValue() {
return expression;
}
@Override
public boolean isStemmed() {
return true;
}
@Override
public int getNumWords() {
return 1;
}
@Override
public void setValue(String expression) {
regexp = Pattern.compile(expression);
this.expression = expression;
}
@Override
public String getRawWord() {
return stringValue();
}
@Override
public boolean isWords() {
return false;
}
@Override
public String getIndexedString() {
return stringValue();
}
@Override
public ItemType getItemType() {
return ItemType.REGEXP;
}
@Override
public String getName() {
return ItemType.REGEXP.name();
}
protected void encodeThis(ByteBuffer buffer) {
super.encodeThis(buffer);
putString(getIndexedString(), buffer);
}
public Pattern getRegexp() { return regexp; }
@Override
public String toString() {
return "RegExpItem [expression=" + expression + "]";
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), expression);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if ( ! super.equals(o)) return false;
if (getClass() != o.getClass()) return false;
RegExpItem other = (RegExpItem)o;
return Objects.equals(this.expression, other.expression);
}
}
|