1、AdminAPI.java
package es;import org.elasticsearch.action.admin.indices.create.CreateIndexRequestBuilder;import org.elasticsearch.client.AdminClient;import org.elasticsearch.client.IndicesAdminClient;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.transport.client.PreBuiltTransportClient;import org.junit.Before;import org.junit.Test;import java.io.IOException;import java.net.InetAddress;import java.util.HashMap;public class AdminAPI {private TransportClient client = null;//在所有的测试方法之前执行 @Beforepublic void init() throws Exception {//设置集群名称Settings settings = Settings.builder().put("cluster.name", "bigdata").build();//创建clientclient = new PreBuiltTransportClient(settings).addTransportAddresses(new InetSocketTransportAddress(InetAddress.getByName("192.168.33.100"), 9300),new InetSocketTransportAddress(InetAddress.getByName("192.168.33.101"), 9300),new InetSocketTransportAddress(InetAddress.getByName("192.168.33.102"), 9300));
}//创建索引，并配置一些参数 @Testpublic void createIndexWithSettings() {//获取Admin的APIAdminClient admin = client.admin();//使用Admin API对索引进行操作IndicesAdminClient indices = admin.indices();//准备创建索引indices.prepareCreate("gamelog")//配置索引参数 .setSettings(//参数配置器Settings.builder()//指定索引分区的数量.put("index.number_of_shards", 4)//指定索引副本的数量（注意：不包括本身，如果设置数据存储副本为2，实际上数据存储了3份）.put("index.number_of_replicas", 2)
)//真正执行 .get();
}//跟索引添加mapping信息（给表添加schema信息）------这种已不使用 @Testpublic void putMapping() {//创建索引client.admin().indices().prepareCreate("twitter")//创建一个type，并指定type中属性的名字和类型.addMapping("tweet","{\n" +
" \"tweet\": {\n" +
" \"properties\": {\n" +
" \"message\": {\n" +
" \"type\": \"string\"\n" +
" }\n" +
" }\n" +
" }\n" +
" }")
.get();
}/** * 你可以通过dynamic设置来控制这一行为，它能够接受以下的选项：
* true：默认值。动态添加字段
* false：忽略新字段
* strict：如果碰到陌生字段，抛出异常
* @throws IOException */@Testpublic void testSettingsMappings() throws IOException {//1:settingsHashMap<String, Object> settings_map = new HashMap<String, Object>(2);
settings_map.put("number_of_shards", 3);
settings_map.put("number_of_replicas", 2);//2:mappings（映射、schema）XContentBuilder builder = XContentFactory.jsonBuilder()
.startObject()
.field("dynamic", "true")//设置type中的属性.startObject("properties")//id属性.startObject("num")//类型是integer.field("type", "integer")//不分词，但是建索引.field("index", "not_analyzed")//在文档中存储.field("store", "yes")
.endObject()//name属性.startObject("name")//string类型.field("type", "string")//在文档中存储.field("store", "yes")//建立索引.field("index", "analyzed")//使用ik_smart进行分词.field("analyzer", "ik_smart")
.endObject()
.endObject()
.endObject();
CreateIndexRequestBuilder prepareCreate = client.admin().indices().prepareCreate("user_info");//管理索引（user_info）然后关联type（user）prepareCreate.setSettings(settings_map).addMapping("user", builder).get();
}/** * XContentBuilder mapping = jsonBuilder()
.startObject()
.startObject("productIndex")
.startObject("properties")
.startObject("title").field("type", "string").field("store", "yes").endObject()
.startObject("description").field("type", "string").field("index", "not_analyzed").endObject()
.startObject("price").field("type", "double").endObject()
.startObject("onSale").field("type", "boolean").endObject()
.startObject("type").field("type", "integer").endObject()
.startObject("createDate").field("type", "date").endObject()
.endObject()
.endObject()
.endObject();
PutMappingRequest mappingRequest = Requests.putMappingRequest("productIndex").type("productIndex").source(mapping);
client.admin().indices().putMapping(mappingRequest).actionGet(); *//** * index这个属性，no代表不建索引
* not_analyzed，建索引不分词
* analyzed 即分词，又建立索引
* expected [no], [not_analyzed] or [analyzed]
* @throws IOException */@Testpublic void testSettingsPlayerMappings() throws IOException {//1:settingsHashMap<String, Object> settings_map = new HashMap<String, Object>(2);
settings_map.put("number_of_shards", 3);
settings_map.put("number_of_replicas", 1);//2:mappingsXContentBuilder builder = XContentFactory.jsonBuilder()
.startObject()// .field("dynamic", "true")
.startObject("properties")//数据字段.startObject("id")//字段类型.field("type", "integer")
.field("store", "yes")
.endObject()
.startObject("name")
.field("type", "string")
.field("index", "not_analyzed")
.endObject()
.startObject("age")
.field("type", "integer")
.endObject()
.startObject("salary")
.field("type", "integer")
.endObject()
.startObject("team")
.field("type", "string")
.field("index", "not_analyzed")
.endObject()
.startObject("position")
.field("type", "string")
.field("index", "not_analyzed")
.endObject()
.startObject("description")
.field("type", "string")
.field("store", "no")
.field("index", "analyzed")
.field("analyzer", "ik_smart")
.endObject()
.startObject("addr")
.field("type", "string")
.field("store", "yes")
.field("index", "analyzed")
.field("analyzer", "ik_smart")
.endObject()
.endObject()
.endObject();//indexCreateIndexRequestBuilder prepareCreate = client.admin().indices().prepareCreate("player_info");//typeprepareCreate.setSettings(settings_map).addMapping("player", builder).get();
}
}2、效果图
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