關(guān)于elasticsearchJavaHighLevelREST的封裝操作

關(guān)于elasticsearchJavaHighLevelREST的封裝操作pox.xml文件添加以下內(nèi)容org.elasticsearch.clientelasticsearch-rest-high-level-client6.3.2新建ESHighLevelRestUtil.javapackagecom;importjava.util.HashMap;importjava.util.Map;importorg.apache.http.HttpHost;importorg.elasticsearch.ElasticsearchException;importorg.elasticsearch.action.admin.indices.create.CreateIndexRequest;importorg.elasticsearch.action.admin.indices.create.CreateIndexResponse;importorg.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;importorg.elasticsearch.action.admin.indices.delete.DeleteIndexResponse;importorg.elasticsearch.action.admin.indices.get.GetIndexRequest;importorg.elasticsearch.action.delete.DeleteRequest;importorg.elasticsearch.action.delete.DeleteResponse;importorg.elasticsearch.action.index.IndexRequest;importorg.elasticsearch.action.index.IndexResponse;importorg.elasticsearch.action.support.replication.ReplicationResponse;importorg.elasticsearch.action.DocWriteResponse;importorg.elasticsearch.client.RestClient;importorg.elasticsearch.client.RestHighLevelClient;importmon.settings.Settings;importmon.xcontent.XContentType;importorg.elasticsearch.rest.RestStatus;publicclassESHighLevelRestUtil{ staticRestHighLevelClientclient=newRestHighLevelClient( RestClient.builder(newHttpHost("49",9200,"http"))); /** *驗(yàn)證索引是否存在 * *@paramindex *索引名稱638棋牌 *@return *@throwsException */ publicbooleanindexExists(Stringindex)throwsException{ GetIndexRequestrequest=newGetIndexRequest(); request.indices(index); request.local(false); request.humanReadable(true); booleanexists=client.indices().exists(request); returnexists; } /** * *@paramindex *@paramindexType *@paramproperties *結(jié)構(gòu):{name:{type:text}}{age:{type:integer}} *@return *@throwsException */ publicbooleanindexCreate(Stringindex,StringindexType, Map<string,object="">properties)throwsException{ if(indexExists(index)){ returntrue; } CreateIndexRequestrequest=newCreateIndexRequest(index); request.settings(Settings.builder().put("index.number_of_shards",3) .put("index.number_of_replicas",2)); Map<string,object="">jsonMap=newHashMap<>(); Map<string,object="">mapping=newHashMap<>(); mapping.put("properties",properties); jsonMap.put(indexType,mapping); request.mapping(indexType,jsonMap); CreateIndexResponsecreateIndexResponse=client.indices().create( request); booleanacknowledged=createIndexResponse.isAcknowledged(); returnacknowledged; } /** *刪除索引 * *@paramindex *@return *@throwsException */ publicbooleanindexDelete(Stringindex)throwsException{ try{ DeleteIndexRequestrequest=newDeleteIndexRequest(index); DeleteIndexResponsedeleteIndexResponse=client.indices().delete( request); returndeleteIndexResponse.isAcknowledged(); }catch(ElasticsearchExceptionexception){ if(exception.status()==RestStatus.NOT_FOUND){ returntrue; }else{ returnfalse; } } } /** *創(chuàng)建更新文檔 * *@paramindex *@paramindexType *@paramdocumentId *@paramjosonStr *@return *@throwsException */ publicbooleandocumentCreate(Stringindex,StringindexType, StringdocumentId,StringjosonStr)throwsException{ IndexRequestrequest=newIndexRequest(index,indexType,documentId); request.source(josonStr,XContentType.JSON); IndexResponseindexResponse=client.index(request); if(indexResponse.getResult()==DocWriteResponse.Result.CREATED ||indexResponse.getResult()==DocWriteResponse.Result.UPDATED){ returntrue; } ReplicationResponse.ShardInfoshardInfo=indexResponse.getShardInfo(); if(shardInfo.getTotal()!=shardInfo.getSuccessful()){ returntrue; } if(shardInfo.getFailed()>0){ for(ReplicationResponse.ShardInfo.Failurefailure:shardInfo .getFailures()){ thrownewException(failure.reason()); } } returnfalse; } /** *創(chuàng)建更新索引樂淘棋牌 * *@paramindex *@paramindexType *@paramdocumentId *@parammap *@return *@throwsException */ publicbooleandocumentCreate(Stringindex,StringindexType, StringdocumentId,Map<string,object="">map)throwsException{ IndexRequestrequest=newIndexRequest(index,indexType,documentId); request.source(map); IndexResponseindexResponse=client.index(request); if(indexResponse.getResult()==DocWriteResponse.Result.CREATED ||indexResponse.getResult()==DocWriteResponse.Result.UPDATED){ returntrue; } ReplicationResponse.ShardInfoshardInfo=indexResponse.getShardInfo(); if(shardInfo.getTotal()!=shardInfo.getSuccessful()){ returntrue; } if(shardInfo.getFailed()>0){ for(ReplicationResponse.ShardInfo.Failurefailure:shardInfo .getFailures()){ thrownewException(failure.reason()); } } returnfalse; } /** *創(chuàng)建索引 * *@paramindex *@paramindexType *@paramjosonStr *@return *@throwsException */ publicStringdocumentCreate(Stringindex,StringindexType,StringjosonStr) throwsException{ IndexRequestrequest=newIndexRequest(index,indexType); request.source(josonStr,XContentType.JSON); IndexResponseindexResponse=client.index(request); Stringid=indexResponse.getId(); if(indexResponse.getResult()==DocWriteResponse.Result.CREATED ||indexResponse.getResult()==DocWriteResponse.Result.UPDATED){ returnid; } ReplicationResponse.ShardInfoshardInfo=indexResponse.getShardInfo(); if(shardInfo.getTotal()!=shardInfo.getSuccessful()){ returnid; } if(shardInfo.getFailed()>0){ for(ReplicationResponse.ShardInfo.Failurefailure:shardInfo .getFailures()){ thrownewException(failure.reason()); } } returnnull; } /** *創(chuàng)建索引 * *@paramindex *@paramindexType *@parammap *@return *@throwsException */ publicStringdocumentCreate(Stringindex,StringindexType, Map<string,object="">map)throwsException{ IndexRequestrequest=newIndexRequest(index,indexType); request.source(map); IndexResponseindexResponse=client.index(request); Stringid=indexResponse.getId(); if(indexResponse.getResult()==DocWriteResponse.Result.CREATED ||indexResponse.getResult()==DocWriteResponse.Result.UPDATED){ returnid; } ReplicationResponse.ShardInfoshardInfo=indexResponse.getShardInfo(); if(shardInfo.getTotal()!=shardInfo.getSuccessful()){ returnid; } if(shardInfo.getFailed()>0){ for(ReplicationResponse.ShardInfo.Failurefailure:shardInfo .getFailures()){ thrownewException(failure.reason()); } } returnnull; } publicbooleandocumentDelete(Stringindex,StringindexType, StringdocumentId)throwsException{ DeleteRequestrequest=newDeleteRequest(index,indexType,documentId); DeleteResponsedeleteResponse=client.delete(request); if(deleteResponse.getResult()==DocWriteResponse.Result.NOT_FOUND){ returntrue; } ReplicationResponse.ShardInfoshardInfo=deleteResponse.getShardInfo(); if(shardInfo.getTotal()!=shardInfo.getSuccessful()){ returntrue; } if(shardInfo.getFailed()>0){ for(ReplicationResponse.ShardInfo.Failurefailure:shardInfo .getFailures()){ thrownewException(failure.reason()); } } returnfalse; }}新建ESHighLevelRestTest.javapackagecom;importjava.util.HashMap;importjava.util.Map;importorg.apache.http.HttpHost;importorg.elasticsearch.action.admin.indices.get.GetIndexRequest;importorg.elasticsearch.client.RestClient;importorg.elasticsearch.client.RestHighLevelClient;publicclassESHighLevelRestTest{ publicstaticvoidmain(String[]args)throwsException{ //TODOAuto-generatedmethodstub ESHighLevelRestUtilutil=newESHighLevelRestUtil(); System.out.println(util.indexExists("indextest001")); Map<string,object="">map=newHashMap<string,object="">(); map