|
1
|
package edu.ucsb.nceas.metacat.index;
|
|
2
|
|
|
3
|
import org.apache.solr.client.solrj.SolrQuery;
|
|
4
|
import org.apache.solr.client.solrj.SolrServer;
|
|
5
|
import org.apache.solr.client.solrj.SolrServerException;
|
|
6
|
import org.apache.solr.client.solrj.impl.HttpSolrServer;
|
|
7
|
import org.apache.solr.client.solrj.response.QueryResponse;
|
|
8
|
import org.apache.solr.common.SolrDocument;
|
|
9
|
import org.apache.solr.common.SolrDocumentList;
|
|
10
|
import org.apache.solr.common.SolrInputDocument;
|
|
11
|
|
|
12
|
import java.io.IOException;
|
|
13
|
import java.util.Map;
|
|
14
|
|
|
15
|
public class SolrjIndex implements GenericIndex {
|
|
16
|
protected SolrServer solr = null;
|
|
17
|
|
|
18
|
SolrjIndex(String uri) {
|
|
19
|
this.solr = new HttpSolrServer(uri);
|
|
20
|
}
|
|
21
|
|
|
22
|
public void insert(String docID, Map<String, String[]> fields) throws IOException {
|
|
23
|
this.update(docID, fields);
|
|
24
|
}
|
|
25
|
|
|
26
|
public void update(String docID, Map<String, String[]> fields) throws IOException {
|
|
27
|
SolrInputDocument doc = new SolrInputDocument();
|
|
28
|
doc.addField(MetacatIndex.MCIDFIELD, docID);
|
|
29
|
for (String k : fields.keySet()) {
|
|
30
|
for (String v : fields.get(k)) {
|
|
31
|
doc.addField(k, v);
|
|
32
|
}
|
|
33
|
}
|
|
34
|
try {
|
|
35
|
this.solr.add(doc);
|
|
36
|
} catch (SolrServerException e) {
|
|
37
|
e.printStackTrace();
|
|
38
|
}
|
|
39
|
}
|
|
40
|
|
|
41
|
public void remove(String docID) throws IOException {
|
|
42
|
try {
|
|
43
|
solr.deleteByQuery(MetacatIndex.MCIDFIELD + ":" + docID);
|
|
44
|
} catch (SolrServerException e) {
|
|
45
|
// TODO: handling
|
|
46
|
e.printStackTrace();
|
|
47
|
}
|
|
48
|
}
|
|
49
|
|
|
50
|
public String[] query(String q) {
|
|
51
|
SolrQuery sq = new SolrQuery(q);
|
|
52
|
QueryResponse rsp = null;
|
|
53
|
try {
|
|
54
|
rsp = solr.query(sq);
|
|
55
|
} catch (SolrServerException e) {
|
|
56
|
// TODO: handling
|
|
57
|
e.printStackTrace();
|
|
58
|
}
|
|
59
|
SolrDocumentList docs = rsp.getResults();
|
|
60
|
String[] docIDs = new String[docs.size()];
|
|
61
|
int i = 0;
|
|
62
|
for (SolrDocument d : docs) {
|
|
63
|
docIDs[i++] = d.getFieldValue(MetacatIndex.MCIDFIELD).toString();
|
|
64
|
}
|
|
65
|
return docIDs;
|
|
66
|
}
|
|
67
|
}
|