Mercurial Hosting > luan

annotate src/goodjava/lucene/queryparser/MultiFieldParser.java @ 1581:dbf63bef4b86

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
minor
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 11 Feb 2021 00:51:47 -0700
parents c6b50b7b958c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1458
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
1 package goodjava.lucene.queryparser;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
2
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
3 import java.util.Map;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
4 import java.util.HashMap;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
5 import org.apache.lucene.search.Query;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
6 import org.apache.lucene.search.BooleanQuery;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
7 import org.apache.lucene.search.BooleanClause;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
8 import org.apache.lucene.search.SortField;
1402
27efb1fcbcb5 move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
9 import goodjava.parser.ParseException;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
10
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
11
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
12 public class MultiFieldParser implements FieldParser {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
13
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
14 /**
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
15 * maps field name to FieldParser
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
16 */
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
17 public final Map<String,FieldParser> fields = new HashMap<String,FieldParser>();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
18 public boolean allowUnspecifiedFields = false;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
19 private final FieldParser defaultFieldParser;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
20 private final String[] defaultFields;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
21
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
22 public MultiFieldParser() {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
23 this.defaultFieldParser = null;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
24 this.defaultFields = null;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
25 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
26
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
27 public MultiFieldParser(FieldParser defaultFieldParser,String... defaultFields) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
28 this.defaultFieldParser = defaultFieldParser;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
29 this.defaultFields = defaultFields;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
30 for( String field : defaultFields ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
31 fields.put(field,defaultFieldParser);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
32 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
33 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
34
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
35 @Override public Query getQuery(GoodQueryParser qp,String field,String query) throws ParseException {
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
36 if( field == null ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
37 if( defaultFieldParser == null )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
38 throw qp.exception("no defaults were specified, so a field is required");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
39 if( defaultFields.length == 1 )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
40 return defaultFieldParser.getQuery(qp,defaultFields[0],query);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
41 BooleanQuery bq = new BooleanQuery();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
42 for( String f : defaultFields ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
43 bq.add( defaultFieldParser.getQuery(qp,f,query), BooleanClause.Occur.SHOULD );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
44 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
45 return bq;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
46 } else {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
47 FieldParser fp = fields.get(field);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
48 if( fp != null )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
49 return fp.getQuery(qp,field,query);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
50 if( allowUnspecifiedFields )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
51 return defaultFieldParser.getQuery(qp,field,query);
1573
c6b50b7b958c lucene/Web_search improvement
Franklin Schmidt <fschmidt@gmail.com>
parents: 1459
diff changeset
52 throw qp.exception("undefined query field '"+field+"'");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
53 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
54 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
55
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
56 @Override public Query getRangeQuery(GoodQueryParser qp,String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) throws ParseException {
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
57 if( field == null ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
58 if( defaultFieldParser == null )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
59 throw qp.exception("no defaults were specified, so a field is required");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
60 if( defaultFields.length == 1 )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
61 return defaultFieldParser.getRangeQuery(qp,defaultFields[0],minQuery,maxQuery,includeMin,includeMax);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
62 BooleanQuery bq = new BooleanQuery();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
63 for( String f : defaultFields ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
64 bq.add( defaultFieldParser.getRangeQuery(qp,f,minQuery,maxQuery,includeMin,includeMax), BooleanClause.Occur.SHOULD );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
65 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
66 return bq;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
67 } else {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
68 FieldParser fp = fields.get(field);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
69 if( fp != null )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
70 return fp.getRangeQuery(qp,field,minQuery,maxQuery,includeMin,includeMax);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
71 if( allowUnspecifiedFields )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
72 return defaultFieldParser.getRangeQuery(qp,field,minQuery,maxQuery,includeMin,includeMax);
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
73 throw qp.exception("field '"+field+"' not specified");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
74 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
75 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
76
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
77 @Override public SortField getSortField(GoodQueryParser qp,String field,boolean reverse) throws ParseException {
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
78 FieldParser fp = fields.get(field);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
79 if( fp != null )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
80 return fp.getSortField(qp,field,reverse);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
81 if( allowUnspecifiedFields )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
82 return defaultFieldParser.getSortField(qp,field,reverse);
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
83 throw qp.exception("field '"+field+"' not specified");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
84 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
85
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
86 }