完成基本的配置以後，下面使用java client api進行簡單的開發測試。

官方教程：噗嗤

1. Maven 依賴

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
	http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.tom.es</groupId>
	<artifactId>ElasticSearch0100</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>ElasticSearch0100</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<spring.version>4.1.0.RELEASE</spring.version>
		<slf4j.version>1.5.10</slf4j.version>
		<slf4j-log4j12.version>1.6.1</slf4j-log4j12.version>
		<java.version>1.8</java.version>
		<junit.version>4.12</junit.version>
		<org.aspectj-version>1.8.1</org.aspectj-version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>


		<!-- ES dependency for query builder -->
		<dependency>
			<groupId>org.elasticsearch</groupId>
			<artifactId>elasticsearch</artifactId>
			<version>5.4.2</version>
		</dependency>

		<dependency>
			<groupId>org.elasticsearch.client</groupId>
			<artifactId>transport</artifactId>
			<version>5.4.3</version>
		</dependency>

		<!-- slf4j-log -->
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-to-slf4j</artifactId>
			<version>2.8.2</version>
		</dependency>
		
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>1.7.24</version>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>1.7.24</version>
		</dependency>
                 

	  <!-- add the x-pack jar as a dependency -->
      <dependency>
         <groupId>org.elasticsearch.client</groupId>
         <artifactId>x-pack-transport</artifactId>
         <version>5.4.3</version>
      </dependency>

</dependencies>
</project>
 

官方那個repository好像不能用，所以我只加了依賴，在未啟用x-pack的elasticsearch上，使用上面那個transport依賴即可，但是啟用x-pack安全認證之後，需要使用x-pack-transport的依賴。

注意要新增下面的repository , 不然pom報錯，找不到x-pack-transport

		<!-- add the elasticsearch repo -->
      <repository>
         <id>elasticsearch-releases</id>
         <url>https://artifacts.elastic.co/maven</url>
         <releases>
            <enabled>true</enabled>
         </releases>
         <snapshots>
            <enabled>false</enabled>
         </snapshots>
      </repository>
 

2. 示例程式碼

package com.tom;

import java.io.IOException;
import java.net.InetSocketAddress;

import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.xpack.client.PreBuiltXPackTransportClient;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class TestXPackTransportClient {
	TransportClient client = null;
	
	@SuppressWarnings("resource")
	@Before
	public void before() {
		client = new PreBuiltXPackTransportClient(Settings.builder().put("cluster.name", "test_es")//叢集名稱
				.put("node.name", "node-115")//加一個節點
				.put("client.transport.sniff", true)//自動探測
				.put("xpack.security.user", "elastic:密碼")//xpack的使用者
				.build())
				.addTransportAddress(new InetSocketTransportAddress(new InetSocketAddress("ip或者域名", 9300)));//地址1，可以加多個
	}
	
	@After
	public void after() {
		if (client != null) {
			client.close();
		}
	}

	@Test
	public void testIndex() throws IOException {

		XContentBuilder contentBuilder = XContentFactory.jsonBuilder().startObject();
		contentBuilder.field("id", "2017_06_01");
		contentBuilder.field("name", "KingKong");
		contentBuilder.field("director", "tom");
		contentBuilder.field("year",   "2017");
		String json = contentBuilder.endObject().string();

		IndexResponse resp = client.prepareIndex("movies", "film").setSource(json, XContentType.JSON).get();
		System.out.println(resp.toString());

	}

}
 

執行輸入如下：

命令列查一下：OK的