Hello elasticsearch team users
I cant change the mapping. Can anybody help me to find the bug in my code?
This is a standard way to change the mapping according to several tutorials.
I just wanna change the property of ATTR1 field to analyzed to ensure fast
queries.
What im doing wrong? I also tried to create the mapping after index
creation but it leads to the same effect.
Thanks in advanced!
public class ElasticTest {private String dbname = "ElasticSearch";private String index = "indextest";private String type = "table";private Client client = null;private Node node = null;
public ElasticTest(){
this.node = nodeBuilder().local(true).node();
this.client = node.client();
if(isIndexExist(index)){
deleteIndex(this.client, index);
createIndex(index);
}
else{
createIndex(index);
}
System.out.println("mapping structure before data insertion");
getMappings();
System.out.println("----------------------------------------");
createData();
System.out.println("mapping structure after data insertion");
getMappings();
}
public void getMappings() {
ClusterState clusterState = client.admin().cluster().prepareState()
.setFilterIndices(index).execute().actionGet().getState();
IndexMetaData inMetaData = clusterState.getMetaData().index(index);
MappingMetaData metad = inMetaData.mapping(type);
if (metad != null) {
try {
String structure = metad.getSourceAsMap().toString();
System.out.println(structure);
} catch (IOException e) {
e.printStackTrace();
}
}
}
private void createIndex(String index) {
XContentBuilder typemapping = buildJsonMappings();
String mappingstring = null;
try {
mappingstring = buildJsonMappings().string();
} catch (IOException e1) {
e1.printStackTrace();
}
client.admin().indices().create(new CreateIndexRequest(index)
.mapping(type, typemapping)).actionGet();
//try put mapping after index creation
/*
* PutMappingResponse response = null; try { response =
* client.admin().indices() .preparePutMapping(index) .setType(type)
* .setSource(typemapping.string()) .execute().actionGet(); } catch
* (ElasticSearchException e) { e.printStackTrace(); } catch
* (IOException e) { e.printStackTrace(); }
*/
}
private void deleteIndex(Client client, String index) {
try {
DeleteIndexResponse delete = client.admin().indices()
.delete(new DeleteIndexRequest(index)).actionGet();
if (!delete.isAcknowledged()) {
} else {
}
} catch (Exception e) {
}}
private XContentBuilder buildJsonMappings(){
XContentBuilder builder = null;
try {
builder = XContentFactory.jsonBuilder();
builder.startObject()
.startObject("properties")
.startObject("ATTR1")
.field("type", "string")
.field("store", "yes")
.field("index", "analyzed")
.endObject()
.endObject()
.endObject();
} catch (IOException e) {
e.printStackTrace();
}
return builder;}
private boolean isIndexExist(String index) {
ActionFuture<IndicesExistsResponse> exists = client.admin().indices()
.exists(new IndicesExistsRequest(index));
IndicesExistsResponse actionGet = exists.actionGet();
return actionGet.isExists();}
private void createData(){
System.out.println("Data creation");
IndexResponse response=null;
for (int i=0;i<10;i++){
Map<String, Object> json = new HashMap<String, Object>();
json.put("ATTR1", "new value" + i);
response = this.client.prepareIndex(index, type)
.setSource(json)
.setOperationThreaded(false)
.execute()
.actionGet();
}
String _index = response.getIndex();
String _type = response.getType();
long _version = response.getVersion();
System.out.println("Index : "+_index+" Type : "+_type+" Version : "+_version);
System.out.println("----------------------------------");}
public static void main(String[] args){
new ElasticTest();}
}
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