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comparison lucene/src/luan/modules/lucene/queryparser/NumberFieldParser.java @ 730:01e68da6983b

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add sane-lucene-queryparser source to luan
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 10 Jun 2016 15:41:15 -0600
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729:4ce68aad92b7 730:01e68da6983b
1 package luan.modules.lucene.queryparser;
2
3 import org.apache.lucene.search.Query;
4 import org.apache.lucene.search.NumericRangeQuery;
5 import org.apache.lucene.search.SortField;
6
7
8 public abstract class NumberFieldParser implements FieldParser {
9
10 @Override public final Query getQuery(SaneQueryParser qp,String field,String query) throws ParseException {
11 return getRangeQuery(qp,field,query,query,true,true);
12 }
13
14 @Override public final Query getRangeQuery(SaneQueryParser qp,String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) throws ParseException {
15 try {
16 return getRangeQuery(field,minQuery,maxQuery,includeMin,includeMax);
17 } catch(NumberFormatException e) {
18 throw new ParseException(qp,e);
19 }
20 }
21
22 abstract protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax);
23
24 @Override public SortField getSortField(SaneQueryParser qp,String field,boolean reverse) {
25 return new SortField( field, sortType(), reverse );
26 }
27
28 abstract protected SortField.Type sortType();
29
30
31 public static final FieldParser INT = new NumberFieldParser() {
32
33 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
34 int min = Integer.parseInt(minQuery);
35 int max = Integer.parseInt(maxQuery);
36 return NumericRangeQuery.newIntRange(field,min,max,includeMin,includeMax);
37 }
38
39 @Override protected SortField.Type sortType() {
40 return SortField.Type.INT;
41 }
42 };
43
44 public static final FieldParser LONG = new NumberFieldParser() {
45
46 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
47 long min = Long.parseLong(minQuery);
48 long max = Long.parseLong(maxQuery);
49 return NumericRangeQuery.newLongRange(field,min,max,includeMin,includeMax);
50 }
51
52 @Override protected SortField.Type sortType() {
53 return SortField.Type.LONG;
54 }
55 };
56
57 public static final FieldParser FLOAT = new NumberFieldParser() {
58
59 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
60 float min = Float.parseFloat(minQuery);
61 float max = Float.parseFloat(maxQuery);
62 return NumericRangeQuery.newFloatRange(field,min,max,includeMin,includeMax);
63 }
64
65 @Override protected SortField.Type sortType() {
66 return SortField.Type.FLOAT;
67 }
68 };
69
70 public static final FieldParser DOUBLE = new NumberFieldParser() {
71
72 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
73 double min = Double.parseDouble(minQuery);
74 double max = Double.parseDouble(maxQuery);
75 return NumericRangeQuery.newDoubleRange(field,min,max,includeMin,includeMax);
76 }
77
78 @Override protected SortField.Type sortType() {
79 return SortField.Type.DOUBLE;
80 }
81 };
82
83 }