package com.huaji.shtel.util;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
import org.elasticsearch.action.admin.indices.create.CreateIndexResponse;
import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsRequest;
import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.update.UpdateRequest;
import org.elasticsearch.action.update.UpdateResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.index.query.MultiMatchQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import com.huaji.shtel.base.BusinessException;
import com.huaji.shtel.base.EsClientBuilder;
/**
* @ClassName: ElasticSearchUtils
* @Description:ES工具类
* @author:dmy
* @date:2017年12月8日 下午2:10:37
*/
public class ElasticSearchUtils {
Logger logger=Logger.getLogger(ElasticSearchUtils.class);
private static TransportClient client=new EsClientBuilder().getTransportClient() ;
//创建索引库
public static boolean createSource(String indexName) throws Exception{
if (isIndexExists(indexName)) {
throw new BusinessException("该索引库已存在");
}
CreateIndexRequest cIndexRequest = new CreateIndexRequest(indexName);
CreateIndexResponse cIndexResponse =
client.admin().indices().create(cIndexRequest).actionGet();
if (cIndexResponse.isAcknowledged()) {
return true;
} else {
return false;
}
}
//根据库名删除索引库
public static void deleteSourceByIndexName(String indexName) throws Exception{
// DeleteIndexResponse dResponse =
client.admin().indices().prepareDelete(indexName).execute().actionGet();
// if(dResponse.isAcknowledged()){
// return true;
// }else{
// return false;
// }
}
//判断该索引库是否存在
private static boolean isIndexExists(String indexName) throws Exception{
IndicesExistsRequest inExistsRequest = new IndicesExistsRequest(indexName);
IndicesExistsResponse inExistsResponse=client.admin().indices().exists(inExistsRequest).actionGet();
if(inExistsResponse.isExists()){
return true;
}else{
return false;
}
}
//索引库创建索引数据
public static void createIndex(String indexName,String type,String id,Map<String,String> map) throws Exception{
// IndexResponse i=
client.prepareIndex(indexName, type, id).setSource(map).get();
// if(i.isFragment()){
// return true;
// }else{
// return false;
// }
}
//获取索引数据
public static Map<String, Object> getIndexData(String indexName,String type,String id) throws Exception{
//setOperationThreaded(false)控制线程安全
GetResponse response = client.prepareGet(indexName,type,id).setOperationThreaded(false).get();
return response.getSource();
}
//修改索引数据
public void updataIndexData(String indexName,String type,String id,Map<String,Object> map) throws Exception{
UpdateRequest uRequest = new UpdateRequest();
uRequest.index(indexName);
uRequest.type(type);
uRequest.id(id);
uRequest.doc(map);
UpdateResponse s=client.update(uRequest).get();
System.out.println(s);
}
//删除索引
public static void deleteIndexData(String indexName,String type,String id) throws Exception{
// DeleteResponse response=
client.prepareDelete(indexName, type, id).get();
// Result result=response.getResult();
// if(result.name().equals("DELETED")){
// return true;
// }else{
// return false;
// }
}
//检索索引
public static List<Object> queryIndex(String indexName,String type,String value,String...filedNames){
MultiMatchQueryBuilder mmqb= QueryBuilders.multiMatchQuery(value,filedNames);
SearchResponse response = client.prepareSearch(indexName)
.setTypes(type).setQuery(mmqb).execute().actionGet();
SearchHits hits = response.getHits();
List<Object> list=new ArrayList<>();
SearchHit[] searchHists =hits.getHits();
if(searchHists.length>0){
for(SearchHit hit:searchHists){
list.add(hit.getSource());
}
}
return list;
}
}
//如果需要交给spring管理
//新建elasticsearch配置文件通过ref配到spring需要加载的文件去
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache-4.2.xsd">
<context:component-scan base-package="com.huaji.shtel.base"/>
<bean id="configProperties"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:elasticsearch.properties</value>
</list>
</property>
</bean>
<bean id="client" factory-bean="esClientBuilder" factory-method="init" destroy-method="close"/>
<bean id="esClientBuilder" class="com.huaji.shtel.base.EsClientBuilder">
<property name="clusterName" value="${elasticsearch.cluster-name}" />
<property name="nodeIpInfo" value="${elasticsearch.cluster-nodes}" />
</bean>
</beans>
//spring需要加载的文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd">
<!-- <context:property-placeholder location="classpath*:redis.properties;classpath*:jdbc.properties" /> -->
<bean id="configProperties"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:jdbc.properties</value>
<value>classpath*:redis.properties</value>
<value>classpath*:elasticsearch.properties</value>
</list>
</property>
</bean>
<context:annotation-config />
<!-- 配置component所在的包,自动加载需要管理的Bean -->
<context:component-scan base-package="com.huaji">
<!-- 不扫描控制器 -->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<import resource="spring-database.xml" />
<!-- <import resource="spring-cache.xml" /> -->
<import resource="spring-shiro.xml" />
<import resource="elasticsearch.xml" />
</beans>
//maven管理需要导入jar包
<!-- ElasticSearch客户端 -->
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>transport</artifactId>
<version>5.4.0</version>
</dependency>
<dependency>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch</artifactId>
<version>5.4.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.8.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.8.2</version>
</dependency>
//spring集成
package com.huaji.shtel.base;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
public class EsClientBuilder {
/**集群的名称*/
private String clusterName;
/**节点的信息*/
private String nodeIpInfo;
/**客户端*/
private TransportClient client;
//客户端初始化
public Client init(){
//设置集群的名字
Settings settings = Settings.builder()
.put("cluster.name", clusterName)
.build();
//创建集群client并添加集群节点地址
client = new PreBuiltTransportClient(settings);
Map<String, Integer> nodeMap = parseNodeIpInfo();
for (Map.Entry<String,Integer> entry : nodeMap.entrySet()){
try {
client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(entry.getKey()), entry.getValue()));
} catch (UnknownHostException e) {
e.printStackTrace();
}
}
return client;
}
/**
* 解析节点IP信息,多个节点用逗号隔开,IP和端口用冒号隔开
*
* @return
*/
private Map<String, Integer> parseNodeIpInfo(){
String[] nodeIpInfoArr = nodeIpInfo.split(",");
Map<String, Integer> map = new HashMap<String, Integer>();
for (String ipInfo : nodeIpInfoArr){
String[] ipInfoArr = ipInfo.split(":");
map.put(ipInfoArr[0], Integer.parseInt(ipInfoArr[1]));
}
return map;
}
public TransportClient getTransportClient(){
return client;
}
public String getClusterName() {
return clusterName;
}
public void setClusterName(String clusterName) {
this.clusterName = clusterName;
}
public String getNodeIpInfo() {
return nodeIpInfo;
}
public void setNodeIpInfo(String nodeIpInfo) {
this.nodeIpInfo = nodeIpInfo;
}
}
//elasticsearch properties文件
#服务器的ip和端口号
elasticsearch.cluster-nodes=127.0.0.1:9300
#集群的名称
elasticsearch.cluster-name=dmy
测试方法采用的是elasticsearch-5.5.1 与elasticsearch-head-master 并没用到elasticsearch-analysis-pinyin-5.5.1

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