1.增加ElasticSearch集群相关使用示例

pom.xml

@@ -27,7 +27,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.13.1</version>
+			<version>4.12</version>
 		</dependency>
 
 
@@ -81,7 +81,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.83</version>
+			<version>1.2.49</version>
 		</dependency>
 
 		<dependency>
@@ -117,7 +117,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.17</version>
+			<version>3.9</version>
 		</dependency>
 
 		<dependency>
@@ -375,7 +375,7 @@
 		<dependency>
 			<groupId>org.apache.storm</groupId>
 			<artifactId>storm-kafka</artifactId>
-			<version>1.2.3</version>
+			<version>1.2.2</version>
 			<scope>provided</scope>
 		</dependency>
 
@@ -395,14 +395,9 @@
 			<groupId>io.searchbox</groupId>
 			<artifactId>jest</artifactId>
 			<version>6.3.1</version>
-		</dependency>
+		</dependency> 
+
 
-		<!-- excel 工具类-->
-		<dependency>
-			<groupId>com.alibaba</groupId>
-			<artifactId>easyexcel</artifactId>
-			<version>2.2.7</version>
-		</dependency>
 
 
 

src/main/java/com/pancm/design/responsibility/ResponsibilityTest.java

@@ -22,19 +22,19 @@ public class ResponsibilityTest {
 		String name = "xuwujing";
 		String something = "去聚餐";
 		String something2 = "去旅游";
-		Leader leader1 =new Supervisor(name, something);
-		Leader leader2 =new BranchManager(name, something);
-		Leader leader3 =new GeneralManager(name, something);
-		leader1.setLeader(leader2);
-		leader2.setLeader(leader3);
-		leader1.handler(1);
+		Learder learder1 =new Supervisor(name, something);
+		Learder learder2 =new BranchManager(name, something);
+		Learder learder3 =new GeneralManager(name, something);
+		learder1.setLearder(learder2);
+		learder2.setLearder(learder3);
+		learder1.handler(1);
 		
-		Leader leader4 =new Supervisor(name, something2);
-		Leader leader5 =new BranchManager(name, something2);
-		Leader leader6 =new GeneralManager(name, something2);
-		leader4.setLeader(leader5);
-		leader5.setLeader(leader6);
-		leader4.handler(0);
+		Learder learder4 =new Supervisor(name, something2);
+		Learder learder5 =new BranchManager(name, something2);
+		Learder learder6 =new GeneralManager(name, something2);
+		learder4.setLearder(learder5);
+		learder5.setLearder(learder6);
+		learder4.handler(0);
 		
 		
 		
@@ -76,24 +76,24 @@ class ConcreteHandler extends Handler {
 }
 
 
-abstract class Leader {
+abstract class Learder{
 	
 	
-	protected Leader leader;
+	protected Learder learder;
 	
-	protected void setLeader(Leader leader){
-		this.leader = leader;
+	protected void setLearder(Learder learder){
+		this.learder=learder;
 	}
 	
-	protected Leader getLeader(){
-		return leader;
+	protected Learder getLearder(){
+		return learder;
 	}
 	
 	abstract void handler(int  level);
 }
 
 //主管
-class Supervisor extends Leader {
+class Supervisor extends Learder{
 	 private String name;
 	 private String something;
 	 public Supervisor(String name,String something) {
@@ -108,13 +108,13 @@ class Supervisor extends Leader {
 			System.out.println("主管处理了  "+name+"所述的<"+something+">事情!");
 		}else{
 			System.out.println("主管未能处理  "+name+"所述的<"+something+">事情!转交给上级!");
-			getLeader().handler(level);
+			getLearder().handler(level);
 		}
 	}
 }
 
 //部门经理
-class BranchManager extends Leader {
+class BranchManager extends Learder{
 	 private String name;
 	 private String something;
 	 public BranchManager(String name,String something) {
@@ -129,13 +129,13 @@ class BranchManager extends Leader {
 			System.out.println("部门经理处理了  "+name+"所述的<"+something+">事情!");
 		}else{
 			System.out.println("部门经理未能处理  "+name+"所述的<"+something+">事情!转交给上级!");
-			getLeader().handler(level);
+			getLearder().handler(level);
 		}
 	}
 }
 
 //总经理
-class GeneralManager extends Leader {
+class GeneralManager extends Learder{
 	 private String name;
 	 private String something;
 	 public GeneralManager(String name,String something) {
@@ -150,7 +150,7 @@ class GeneralManager extends Leader {
 			System.out.println("总经理处理了  "+name+"所述的<"+something+">事情!");
 		}else{
 			System.out.println("总经理未能处理  "+name+"所述的<"+something+">事情!转交给上级!");
-			getLeader().handler(level);
+			getLearder().handler(level);
 		}
 	}
 }

src/main/java/com/pancm/elasticsearch/EsHighLevelCluster.java

@@ -0,0 +1,268 @@
+package com.pancm.elasticsearch;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpHost;
+import org.apache.http.entity.ContentType;
+import org.apache.http.nio.entity.NStringEntity;
+import org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest;
+import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
+import org.elasticsearch.action.admin.cluster.settings.ClusterGetSettingsRequest;
+import org.elasticsearch.action.admin.cluster.settings.ClusterGetSettingsResponse;
+import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsRequest;
+import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsResponse;
+import org.elasticsearch.action.admin.indices.cache.clear.ClearIndicesCacheRequest;
+import org.elasticsearch.action.admin.indices.cache.clear.ClearIndicesCacheResponse;
+import org.elasticsearch.client.RequestOptions;
+import org.elasticsearch.client.RestClient;
+import org.elasticsearch.client.RestHighLevelClient;
+import org.elasticsearch.cluster.health.ClusterHealthStatus;
+import org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationDecider;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.unit.ByteSizeUnit;
+import org.elasticsearch.common.xcontent.XContentType;
+import org.elasticsearch.indices.recovery.RecoverySettings;
+import org.elasticsearch.rest.RestStatus;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.*;
+
+/**
+ * @author pancm
+ * @Title: pancm_project
+ * @Description: ES的集群相关配置
+ * @Version:1.0.0
+ * @Since:jdk1.8
+ * @date 2020/1/3
+ */
+public class EsHighLevelCluster {
+
+
+  	private static String elasticIp = "192.169.0.1";
+    private static int elasticPort = 9200;
+
+    private static Logger logger = LoggerFactory.getLogger(EsHighLevelRestTest2.class);
+
+    private static RestHighLevelClient client = null;
+
+    /**
+     * @param args
+     */
+    public static void main(String[] args) {
+        try {
+            init();
+//            clusterUpdateSetting();
+//            catHealth();
+//            clusterGetSetting();
+            clearCache();
+            close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    /*
+     * 初始化服务
+     */
+    private static void init() {
+        client = new RestHighLevelClient(RestClient.builder(new HttpHost(elasticIp, elasticPort, "http")));
+
+    }
+
+    /*
+     * 关闭服务
+     */
+    private static void close() {
+        if (client != null) {
+            try {
+                client.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    /**
+     * @return void
+     * @Author pancm
+     * @Description 设置该节点为冷节点
+     * @Date 2020/1/2
+     * @Param [index]
+     **/
+    public static void setCool(String index) throws IOException {
+        RestClient restClient = null;
+        try {
+            Objects.requireNonNull(index, "index is not null");
+            restClient = client.getLowLevelClient();
+            String source = "{\"index.routing.allocation.require.box_type\": \"%s\"}";
+            source = String.format(source, "cool");
+            HttpEntity entity = new NStringEntity(source, ContentType.APPLICATION_JSON);
+            restClient.performRequest("PUT", "/" + index + "/_settings", Collections.<String, String>emptyMap(), entity);
+        } catch (IOException e) {
+            throw e;
+        } finally {
+            if (restClient != null) {
+                restClient.close();
+            }
+        }
+    }
+
+
+    public void setAlias(String index, String aliasIndex) throws IOException {
+        RestClient restClient = null;
+        try {
+            Objects.requireNonNull(index, "index is not null");
+            restClient = client.getLowLevelClient();
+            String msg = "/" + index + "/_alias" + "/" + aliasIndex;
+            restClient.performRequest("PUT", msg);
+        } finally {
+            if (restClient != null) {
+                restClient.close();
+            }
+        }
+    }
+
+
+    /**
+     * @return void
+     * @Author pancm
+     * @Description
+     * @Date 2020/1/2
+     * @Param [index]
+     **/
+    public static void clearCache() throws IOException {
+
+        ClearIndicesCacheRequest request = new ClearIndicesCacheRequest();
+        ClearIndicesCacheResponse response = client.indices().clearCache(request,RequestOptions.DEFAULT);
+        System.out.println(""+response.getTotalShards());
+        System.out.println(""+response.getStatus());
+
+    }
+
+    /**
+     * @return void
+     * @Author pancm
+     * @Description 设置集群的配置
+     * @Date 2020/1/2
+     * @Param [index]
+     **/
+    public static void clusterUpdateSetting() throws IOException {
+
+        ClusterUpdateSettingsRequest request = new ClusterUpdateSettingsRequest();
+
+        String transientSettingKey =
+                RecoverySettings.INDICES_RECOVERY_MAX_BYTES_PER_SEC_SETTING.getKey();
+        int transientSettingValue = 10;
+        Settings transientSettings =
+                Settings.builder()
+                        .put(transientSettingKey, transientSettingValue, ByteSizeUnit.BYTES)
+                        .build();
+
+        String persistentSettingKey =
+                EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey();
+        String persistentSettingValue =
+                EnableAllocationDecider.Allocation.NONE.name();
+        Settings persistentSettings =
+                Settings.builder()
+                        .put(persistentSettingKey, persistentSettingValue)
+                        .build();
+        /** 方式一 */
+        Settings.Builder transientSettingsBuilder =
+                Settings.builder()
+                        .put(transientSettingKey, transientSettingValue, ByteSizeUnit.BYTES);
+        request.transientSettings(transientSettingsBuilder);
+
+        /** 方式二 */
+        request.transientSettings(
+                "{\"indices.recovery.max_bytes_per_sec\": \"10b\"}"
+                , XContentType.JSON);
+
+        /** 方式三 */
+        Map<String, Object> map = new HashMap<>();
+        map.put(transientSettingKey
+                , transientSettingValue + ByteSizeUnit.BYTES.getSuffix());
+        request.transientSettings(map);
+
+
+        ClusterUpdateSettingsResponse response = client.cluster().putSettings(request, RequestOptions.DEFAULT);
+
+        Settings setting = response.getPersistentSettings();
+        Settings setting2 = response.getTransientSettings();
+        logger.info("setting:{}", setting);
+        logger.info("setting2:{}", setting2);
+    }
+
+
+    /**
+     * @return void
+     * @Author pancm
+     * @Description 设获取集群的健康情况
+     * @Date 2020/1/2
+     * @Param [index]
+     **/
+    public static void catHealth() throws IOException {
+
+
+        ClusterHealthRequest request = new ClusterHealthRequest();
+        ClusterHealthResponse response = client.cluster().health(request, RequestOptions.DEFAULT);
+        String clusterName = response.getClusterName();
+        ClusterHealthStatus status = response.getStatus();
+        boolean timedOut = response.isTimedOut();
+        RestStatus restStatus = response.status();
+
+        int numberOfNodes = response.getNumberOfNodes();
+        int numberOfDataNodes = response.getNumberOfDataNodes();
+        int activeShards = response.getActiveShards();
+        int activePrimaryShards = response.getActivePrimaryShards();
+        int relocatingShards = response.getRelocatingShards();
+        int initializingShards = response.getInitializingShards();
+        int unassignedShards = response.getUnassignedShards();
+        int delayedUnassignedShards = response.getDelayedUnassignedShards();
+        double activeShardsPercent = response.getActiveShardsPercent();
+        logger.info("clusterName:{},status:{},timedOut:{},restStatus:{}", clusterName, status, timedOut, restStatus.getStatus());
+
+        List<Map<String, Object>> mapList = new ArrayList<>();
+        response.getIndices().forEach((k, v) -> {
+            Map<String, Object> map = new HashMap<>();
+            String index = v.getIndex();
+            int replicas = v.getNumberOfReplicas();
+            int allShards = v.getActiveShards();
+            int shards = v.getActivePrimaryShards();
+            int status2 = v.getStatus().value();
+            map.put("index", index);
+            map.put("replicas", replicas);
+            map.put("shards", shards);
+            map.put("status", status2);
+            System.out.println(map);
+        });
+
+    }
+
+
+    /**
+     * @return void
+     * @Author pancm
+     * @Description 设获取集群的设置情况
+     * @Date 2020/1/2
+     * @Param [index]
+     **/
+    public static void clusterGetSetting() throws IOException {
+
+        ClusterGetSettingsRequest request = new ClusterGetSettingsRequest();
+        ClusterGetSettingsResponse response = client.cluster().getSettings(request, RequestOptions.DEFAULT);
+        Settings setting = response.getPersistentSettings();
+        Settings setting2 = response.getTransientSettings();
+        logger.info("setting:{}", setting);
+        logger.info("setting2:{}", setting2);
+    }
+
+
+
+
+
+
+
+
+}

src/main/java/com/pancm/excel/EasyExcelTest.java

@@ -1,15 +0,0 @@
-package com.pancm.excel;
-
-/**
- * @author pancm
- * @Title: pancm_project
- * @Description:
- * 参考: https://www.yuque.com/easyexcel/doc
- * @Version:1.0.0
- * @Since:jdk1.8
- * @date 2021/1/26
- */
-public class EasyExcelTest {
-
-
-}

src/main/java/com/pancm/excel/package-info.java

@@ -1,8 +0,0 @@
-/**
-* @Title: package-info
-* @Description: excel相关包
-* @Version:1.0.0  
-* @author pancm
-* @date 2019年2月28日
-*/
-package com.pancm.excel;