Elasticsearch5.0 Java Api (ii)--Update index

Elasticsearch provides a variety of ways to update your index, here's a brief introduction to five of them

1  Packagecom.juyun.test;2 3 Importjava.io.IOException;4 Importjava.net.InetAddress;5 Importjava.util.concurrent.ExecutionException;6 7 Importorg.elasticsearch.action.index.IndexRequest;8 Importorg.elasticsearch.action.update.UpdateRequest;9 Importorg.elasticsearch.client.Client;Ten Importorg.elasticsearch.common.settings.Settings; One Importorg.elasticsearch.common.transport.InetSocketTransportAddress; A ImportOrg.elasticsearch.script.Script; - ImportOrg.elasticsearch.script.ScriptService; - Importorg.elasticsearch.transport.client.PreBuiltTransportClient; the Import StaticOrg.elasticsearch.common.xcontent.xcontentfactory.*; -  -  Public classElasticsearchupdate { -      +     Private Staticclient client; -  +     /** A * Multiple ways to update the index library at      * @paramargs -      */ -      Public Static voidMain (string[] args) { -  -         Try { -             //set the cluster name inSettings Settings = Settings.builder (). Put ("Cluster.name", "Elasticsearch"). Build (); -             //Create client toClient =Newprebuilttransportclient (Settings) +. addtransportaddress (NewInetsockettransportaddress (Inetaddress.getbyname ("172.16.0.210"), 9300)); -            the}Catch(Exception e) { * e.printstacktrace (); $         }Panax Notoginseng upMethod5 (); -          the         //Close Client + client.close (); A     } the      +     //method One: Create a updaterequest and send it to the client. -     //Use this method to make an error when the original document does not exist $      Public Static voidupMethod1 () { $         Try { -Updaterequest urequest =Newupdaterequest (); -Urequest.index ("Flow"); theUrequest.type ("Data"); -Urequest.id ("avvl93fjl55uxupfsv9x");WuyiUrequest.doc (Jsonbuilder (). StartObject (). Field ("Inbyte", 200.0). EndObject ()); the client.update (urequest). get (); -}Catch(IOException e) { Wu e.printstacktrace (); -}Catch(interruptedexception e) { About e.printstacktrace (); $}Catch(executionexception e) { - e.printstacktrace (); -         } -  A     } +  the     //method Two: Prepareupdate () update the index with a script -     //need to elasticsearch.yml, add a line: Script.engine.groovy.inline.update:on, and then restart ES $      Public Static voidupMethod2 () { theClient.prepareupdate ("Flow", "Data", "2") the. Setscript (NewScript ("ctx._source.inbyte = \" 3.14\ "", ScriptService.ScriptType.INLINE,NULL,NULL)) the . get (); the     } -  in     //Method Three: prepareupdate () update index with Doc the      Public Static voidupMethod3 () { the         Try { AboutClient.prepareupdate ("Flow", "Data", "avvl93jtl55uxupfsv9y") the. Setdoc (Jsonbuilder (). StartObject (). Field ("Inbyte", 3.14). EndObject ()). get (); the}Catch(IOException e) { the e.printstacktrace (); +         } -  the     }Bayi  the     //method Four: Add a new field the      Public Static voidupMethod4 () { -         Try { -Updaterequest updaterequest =NewUpdaterequest ("Flow", "Data", "avvl93jtl55uxupfsv9y") the. doc (Jsonbuilder (). StartObject () field ("Package", "100"). EndObject ()); the client.update (updaterequest). get (); the}Catch(IOException e) { the e.printstacktrace (); -}Catch(interruptedexception e) { the e.printstacktrace (); the}Catch(executionexception e) { the e.printstacktrace ();94         } the     } the  the     //method Five: Upsert Create a new index if the document does not exist98     //if present, the index is updated according to Updaterequest and if it does not exist, the new Indexrequest index is created. About      Public Static voidUpMethod5 () { -         Try {101Indexrequest indexrequest =NewIndexrequest ("Flow", "Data", "5"). Source (Jsonbuilder (). StartObject ()102. Field ("Time", "20170508"). Field ("Package", "121"). EndObject ());103 104Updaterequest URequest2 =NewUpdaterequest ("Flow", "Data", "5"). doc ( theJsonbuilder (). StartObject (). Field ("Time", "20170508"). Field ("Package", "12114"). EndObject ())106 . Upsert (indexrequest);107 client.update (UREQUEST2). get ();108}Catch(IOException e) {109 e.printstacktrace (); the}Catch(interruptedexception e) {111 e.printstacktrace (); the}Catch(executionexception e) {113 e.printstacktrace (); the         } the  the     }117 118}

elasticsearchupdate

Elasticsearch5.0 Java Api (ii)--Update index