spring 操作elasticsearch查询使用方法

最近学习了一下elasticsearch使用，网上的资料又很少，真是一个头两个大。好歹最后终于了解了。留个笔记做日后查询。

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

package com.gooddeep.dev.elasticsearch.commons.dao;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import org.elasticsearch.action.ActionFuture;

import org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest;

import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;

import org.elasticsearch.action.search.SearchResponse;

import org.elasticsearch.client.Client;

import org.elasticsearch.cluster.health.ClusterHealthStatus;

import org.elasticsearch.common.text.Text;

import org.elasticsearch.index.query.BoolQueryBuilder;

import org.elasticsearch.index.query.QueryBuilders;

import org.elasticsearch.search.SearchHit;

import org.elasticsearch.search.highlight.HighlightBuilder;

import org.elasticsearch.search.highlight.HighlightBuilder.Field;

import org.elasticsearch.search.sort.FieldSortBuilder;

import org.elasticsearch.search.sort.SortOrder;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.data.domain.Page;

import org.springframework.data.domain.PageImpl;

import org.springframework.data.domain.PageRequest;

import org.springframework.data.domain.Pageable;

import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;

import org.springframework.data.elasticsearch.core.SearchResultMapper;

import org.springframework.data.elasticsearch.core.query.Criteria;

import org.springframework.data.elasticsearch.core.query.CriteriaQuery;

import org.springframework.data.elasticsearch.core.query.DeleteQuery;

import org.springframework.data.elasticsearch.core.query.IndexQuery;

import org.springframework.data.elasticsearch.core.query.IndexQueryBuilder;

import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;

import org.springframework.data.elasticsearch.core.query.SearchQuery;

import org.springframework.data.elasticsearch.core.query.StringQuery;

import org.springframework.stereotype.Component;

import com.gooddeep.dev.core.helper.PropertyHelper;

import com.gooddeep.dev.core.helper.UuidHelper;

import com.gooddeep.dev.core.model.BasePage;

import com.gooddeep.dev.elasticsearch.commons.model.EsBaseBean;

import com.gooddeep.dev.elasticsearch.commons.service.EsBaseService;

@Component("esBaseDao")

public abstract class EsBaseDaoImpl<T> implements EsBaseDao<T> {

private Logger logger = LoggerFactory.getLogger(EsBaseService.class);

@Autowired

private ElasticsearchTemplate elasticsearchTemplate;

@Autowired

private Client esClient;

/**

* 插入或等新，需要有id，id需要自己生成

*

* @param tList

* @return

*/

public boolean insertOrUpdate(List<T> tList) {

List<IndexQuery> queries = new ArrayList<IndexQuery>();

for (T t : tList) {

String id = ((EsBaseBean) t).getId();

if (id == null) {

id = UuidHelper.getRandomUUID();

((EsBaseBean) t).setId(id);

}

IndexQuery indexQuery = new IndexQueryBuilder().withId(id).withObject(t).build();

queries.add(indexQuery);

}

elasticsearchTemplate.bulkIndex(queries);

return true;

}

/**

* 插入或更新

*

* @param t

* @return

*/

public boolean insertOrUpdate(T t) {

String id = ((EsBaseBean) t).getId();

if (id == null) {

id = UuidHelper.getRandomUUID();

((EsBaseBean) t).setId(id);

}

try {

IndexQuery indexQuery = new IndexQueryBuilder().withId(id).withObject(t).build();

elasticsearchTemplate.index(indexQuery);

return true;

} catch (Exception e) {

logger.error("insert or update user info error.", e);

return false;

}

/**

* 删除

*

* @param id

* @return

*/

public boolean deleteById(String id) {

try {

elasticsearchTemplate.delete(getEntityClass(), id);

return true;

} catch (Exception e) {

logger.error("delete " + getEntityClass() + " by id " + id

+ " error.", e);

return false;

}

/**

* 删除ids

* @param idList

* @return

*/

@Override

public boolean deleteByIds(List<String> idList) {

try {

CriteriaQuery criteriaQuery = new CriteriaQuery(new Criteria());

criteriaQuery.setIds(idList);

elasticsearchTemplate.delete(criteriaQuery, getEntityClass());

return true;

} catch (Exception e) {

e.printStackTrace();

return false;

}

/**

* 根据条件查询

* @param filedContentMap 不能为null

* @return

*/

public boolean deleteByQuery(Map<String,Object> filedContentMap) {

try {

DeleteQuery dq = new DeleteQuery();

BoolQueryBuilder qb=QueryBuilders. boolQuery();

if(filedContentMap!=null)

for (String key : filedContentMap.keySet()) {//字段查询

qb.must(QueryBuilders.matchQuery(key,filedContentMap.get(key)));

}

dq.setQuery(qb);;

elasticsearchTemplate.delete(dq, getEntityClass());;

return true;

} catch (Exception e) {

e.printStackTrace();

return false;

}

/**

* 检查健康状态

*

* @return

*/

public boolean ping() {

try {

ActionFuture<ClusterHealthResponse> health = esClient.admin()

.cluster().health(new ClusterHealthRequest());

ClusterHealthStatus status = health.actionGet().getStatus();

if (status.value() == ClusterHealthStatus.RED.value()) {

throw new RuntimeException(

"elasticsearch cluster health status is red.");

}

return true;

} catch (Exception e) {

logger.error("ping elasticsearch error.", e);

return false;

}

/**

* 条件查询

*

* @param searchfields

* 查询字段

* @param filedContentMap

* 字段和查询内容

* @param sortField

* 排序字段

* @param order

* 排序

* @param from

* @param size

* @return

*/

@Override

public BasePage<T> queryPage(Map<String,Object> filedContentMap, final List<String> heightFields, String sortField, SortOrder order, BasePage<T>basePage) {

Field[] hfields=new Field[0];

if(heightFields!=null)

{

hfields = new Field[heightFields.size()];

for (int i = 0; i < heightFields.size(); i++) {

hfields[i] = new HighlightBuilder.Field(heightFields.get(i)).preTags("<em style='color:red'>").postTags("</em>").fragmentSize(250);

}

NativeSearchQueryBuilder nsb = new NativeSearchQueryBuilder().withHighlightFields(hfields);//高亮字段

if (sortField != null && order != null)//排序

nsb.withSort(new FieldSortBuilder(sortField).ignoreUnmapped(true).order(order));

if (basePage != null)//分页

nsb.withPageable(new PageRequest(basePage.getPageNo(), basePage.getPageSize()));

BoolQueryBuilder qb=QueryBuilders. boolQuery();

for (String key : filedContentMap.keySet()) {//字段查询

qb.must(QueryBuilders.matchQuery(key,filedContentMap.get(key)));

}

//userKey=78e48b85e94911e0d285f4eec990d556

//fa6e9c5bb24a21807c59e5fd3b609e12

nsb.withQuery(qb);

SearchQuery searchQuery = nsb.build();//查询建立

Page<T> page = null;

if (heightFields!=null&&heightFields.size() > 0) {//如果设置高亮

page = elasticsearchTemplate.queryForPage(searchQuery,

getEntityClass(), new SearchResultMapper() {

@SuppressWarnings("unchecked")

@Override

public <T> Page<T> mapResults(SearchResponse response,Class<T> clazz, Pageable pageable) {

List<T> chunk = new ArrayList<T>();

for (SearchHit searchHit : response.getHits()) {

if (response.getHits().getHits().length <= 0) {

return null;

}

Map<String, Object> entityMap = searchHit.getSource();

for (String highName : heightFields) {

Text text[]=searchHit.getHighlightFields().get(highName).fragments();

if(text.length>0)

{

String highValue = searchHit.getHighlightFields().get(highName).fragments()[0].toString();

entityMap.put(highName, highValue);

}

chunk.add((T) PropertyHelper.getFansheObj(

getEntityClass(), entityMap));

}

if (chunk.size() > 0) {

return new PageImpl<T>((List<T>) chunk);

}

return new PageImpl<T>(new ArrayList<T>());

}

});

} else//如果不设置高亮

{

logger.info("#################"+qb.toString());

page = elasticsearchTemplate.queryForPage(searchQuery,getEntityClass());

}

// List<T> ts = page.getContent();

basePage.setTotalRecord(page.getTotalElements());

basePage.setResults(page.getContent());

return basePage;

}

@Override

public List<T> queryList(Map<String, Object> filedContentMap,final List<String> heightFields, String sortField, SortOrder order) {

Field[] hfields=new Field[0];

if(heightFields!=null)

{

hfields = new Field[heightFields.size()];

for (int i = 0; i < heightFields.size(); i++) {

//String o="{\\"abc\\" : \\"[abc]\\"}";

hfields[i] = new HighlightBuilder.Field(heightFields.get(i)).preTags("<em>").postTags("</em>").fragmentSize(250);

}

NativeSearchQueryBuilder nsb = new NativeSearchQueryBuilder().withHighlightFields(hfields);//高亮字段

if (sortField != null && order != null)//排序

nsb.withSort(new FieldSortBuilder(sortField).ignoreUnmapped(true).order(order));

BoolQueryBuilder qb=QueryBuilders. boolQuery();

for (String key : filedContentMap.keySet()) {//字段查询

qb.must(QueryBuilders.matchQuery(key,filedContentMap.get(key)));

}

nsb.withQuery(qb);

SearchQuery searchQuery = nsb.build();//查询建立

Page<T> page = null;

if (heightFields!=null&&heightFields.size() > 0) {//如果设置高亮

page = elasticsearchTemplate.queryForPage(searchQuery,

getEntityClass(), new SearchResultMapper() {

@SuppressWarnings("unchecked")

@Override

public <T> Page<T> mapResults(SearchResponse response,Class<T> clazz, Pageable pageable) {

List<T> chunk = new ArrayList<T>();

for (SearchHit searchHit : response.getHits()) {

if (response.getHits().getHits().length <= 0) {

return null;

}

Map<String, Object> entityMap = searchHit.getSource();

for (String highName : heightFields) {

String highValue = searchHit.getHighlightFields().get(highName).fragments()[0].toString();

entityMap.put(highName, highValue);

}

chunk.add((T) PropertyHelper.getFansheObj(getEntityClass(), entityMap));

}

if (chunk.size() > 0) {

return new PageImpl<T>((List<T>) chunk);

}

return null;

}

});

} else//如果不设置高亮

page = elasticsearchTemplate.queryForPage(searchQuery,getEntityClass());

return page.getContent();

}

/**

* 本类查询

*

* @param id

* @return

*/

public T queryById(String id) {

StringQuery stringQuery = new StringQuery("id=" + id);

T t = elasticsearchTemplate.queryForObject(stringQuery,

getEntityClass());

return t;

}

public ElasticsearchTemplate getElasticsearchTemplate() {

return elasticsearchTemplate;

}

public Client getEsClient() {

return esClient;

}

/**

* 得到类型

*

* @return

*/

public abstract Class<T> getEntityClass();

/**

* 添加各自类的影射

*/

public abstract void putClassMapping();

}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。

原文链接：http://blog.csdn.net/u013378306/article/details/52185063

spring 操作elasticsearch查询使用方法

相关文章

快网idc优惠网

相关文章

微信

快网idc优惠网

QQ交流群