spring 通过EsClientFactory注入elasticsearch

本文详细介绍如何使用Spring框架整合Elasticsearch,包括配置ES客户端、实现服务接口及控制器,以实现数据检索功能。

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spring-es.xml

<?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"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
						http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
						http://www.springframework.org/schema/context
						http://www.springframework.org/schema/context/spring-context-4.3.xsd
						http://www.springframework.org/schema/mvc    
    					http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd ">


	<context:component-scan base-package="com.es.esClientFactory" />

	<bean id="esConf" class="org.es.conf.EsConf">
        <constructor-arg value="master,slave,slave2" />
        <constructor-arg value="elasticsearch" />
        <constructor-arg value="9300" /> 
    </bean> 

</beans>

EsClientFactory.java

package com.es.esClientFactory;

import java.net.InetAddress;
import java.net.UnknownHostException;

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;
import org.es.conf.EsConf;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class EsClientFactory {
	
	@Autowired
	private EsConf esConf;

	@Bean(name = "esClient")
	public Client getESClient() {
		Settings settings = Settings.builder()
				.put("cluster.name", esConf.getClusterName()).build();
		
		Client client = new PreBuiltTransportClient(settings);

		for (String ip : esConf.getIps().split(",")) {
			try {
				((TransportClient) client)
						.addTransportAddress(new InetSocketTransportAddress(
								InetAddress.getByName(ip), 9300));
			} catch (UnknownHostException e) {
				e.printStackTrace();
			}
		}
		
		return client;
	}

}

EsServiceImpl.java

package org.taian.service.impl;

import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.client.Client;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;

@Service
public class EsServiceImpl {
	
	@Autowired 
	@Qualifier("esClient")
	private Client client;
	
	public GetResponse testes(){
		GetResponse response = client.prepareGet("test", "t5", "285309").execute().actionGet();
		System.out.println(response.toString());
		System.out.println("configuration");
		System.out.println(response.getSourceAsString());
		return null;
	}
}

ESContoller.java

package org.taian.web;


import java.util.Date;

import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.search.SearchResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.taian.service.ElasticsearchService;
import org.taian.service.impl.EsServiceImpl;
import org.taian.utils.HttpRequestUtil;
import org.taian.utils.JSONUtils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;

@Controller
@RequestMapping("/myes")
public class ESController {
	
	private final Logger logger = LoggerFactory.getLogger(this.getClass());
	
	@Autowired
	EsServiceImpl estest;
	
	@ResponseBody
	@RequestMapping(value="testes", method = { RequestMethod.GET, RequestMethod.POST }, produces="application/json")
	public JSONObject testes(){
		estest.testes();
		return JSON.parseObject("");
	}
}

 

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