Hello all, in our last project we use solr as search engine to search for
assets. we have a functionality to search for product in it's summary text,
the product itself is "container for a set of products parent" so each time
we add new product under it , the summary of the "parent product" should be
updated to add the new text.so in this case each time we add new child
product, the parent product summary text should be updated,some times the
added summary text list is empty sometimes not, but in case of empty list
the document all field are delted except version and id. to avoid this
problem we ignore the update behavior in case of empty list.*A. in case of
update with empty list:* 1.added document is :
121112 hehe go go goooooooooooooooooooooooooooooool
ollay hehe doc1 1455476967916699648
2. after update
121112 1455476967916699659
*B. in case of not empty list in update request:* 1. same as in a.1. 2.
121112 hehe go go goooooooooooooooooooooooooooooool
ollay hehe go go 12312312312312312 123123123 ollay
1232131231231231313 doc1 1455476967916699648
i use solrj and solr4.4.0.my schema document :
my java
code to test this senario is as follow://TestingSolrUpdateDoc.javapackage
org.solr.test;import java.io.IOException;import java.util.ArrayList;import
java.util.HashMap;import java.util.List;import java.util.Map;import
org.apache.solr.client.solrj.SolrServerException;import
org.apache.solr.common.SolrInputDocument;public class TestingSolrUpdateDoc {
public static void main(String[] args) { try {
addDoc(121112, false); }
catch (SolrServerException e) { // TODO Auto-generated catch
block
e.printStackTrace(); } catch (IOException e) {
// TODO Auto-generated
catch block e.printStackTrace(); } }
public static void addDoc(long id,
boolean emptyListUpdate) throws SolrServerException,
IOException {
SolrInputDocument solrInputDocument = new SolrInputDocument();
solrInputDocument.setField("id", new Long(id));
solrInputDocument.setField("text", generateRandomTextList());
solrInputDocument.setField("name", "doc1"); SolrConnection
connection =
SolrConnection.getConnection();
connection.addDocument(solrInputDocument);
if (emptyListUpdate) { solrInputDocument = new
SolrInputDocument();
solrInputDocument.setField("id", new Long(id)); Map<String,
Object> update
= new HashMap<String, Object>(); update.put("add", new
ArrayList());
solrInputDocument.addField("text", update);
connection.updateDocument(solrInputDocument); } else {
solrInputDocument
= new SolrInputDocument();
solrInputDocument.setField("id", new Long(id));
Map<String, Object> update = new HashMap<String, Object>();
update.put("add", generateRandomUpdateTextList());
solrInputDocument.addField("text", update);
connection.updateDocument(solrInputDocument); } } private
static List
generateRandomTextList() { List texts = new ArrayList();
texts.add("hehe"); texts.add("go go ");
texts.add("goooooooooooooooooooooooooooooool"); texts.add("ollay");
return
texts; } private static List generateRandomUpdateTextList() {
List texts =
new ArrayList(); texts.add("hehe"); texts.add("go
go ");
texts.add("12312312312312312 123123123"); texts.add("ollay
1232131231231231313"); return texts; }}//SolrConnection .javapackage
org.solr.test;import java.io.IOException;import
org.apache.solr.client.solrj.SolrServer;import
org.apache.solr.client.solrj.SolrServerException;import
org.apache.solr.client.solrj.impl.HttpSolrServer;import
org.apache.solr.common.SolrInputDocument;public class SolrConnection {
private SolrServer solrServer = new
HttpSolrServer("http://localhost:8983/solr/test";); private static
SolrConnection solrConnection = new SolrConnection(); private
SolrConnection() { } public static SolrConnection getConnection() {
if
(solrConnection != null) { return solrConnection;
} synchronized
(SolrConnection.class) { if (solrConnection != null) {
return
solrConnection; } solrConnection = new
SolrConnection(); return
solrConnection; } } public void
addDocument(SolrInputDocument doc) throws
SolrServerException, IOException {
solrServer.add(doc);
solrServer.commit(); } public void updateDocument(SolrInputDocument
doc)
throws SolrServerException, IOException { solrServer.add(doc);
solrServer.commit(); }}Best Thanks,Mohammad yaseen
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