fix

src/main/java/cn/mesalab/utils/ConfigUtils.java

@@ -0,0 +1,45 @@
+package cn.mesalab.utils;
+
+
+import org.apache.log4j.Logger;
+
+import java.util.Properties;
+
+public class ConfigUtils {
+    private static final Logger LOG = Logger.getLogger(ConfigUtils.class);
+    private static Properties propCommon = new Properties();
+
+    public static String getStringProperty(String key) {
+            return propCommon.getProperty(key);
+    }
+    public static Float getFloatProperty(String key) {
+        return Float.parseFloat(propCommon.getProperty(key));
+    }
+
+
+    public static Integer getIntProperty(String key) {
+            return Integer.parseInt(propCommon.getProperty(key));
+    }
+
+    public static Long getLongProperty(String key) {
+        return Long.parseLong(propCommon.getProperty(key));
+    }
+
+    public static Double getDoubleProperty(String key) {
+        return Double.parseDouble(propCommon.getProperty(key));
+    }
+
+    public static Boolean getBooleanProperty(String key) {
+        return "true".equals(propCommon.getProperty(key).toLowerCase().trim());
+    }
+
+    static {
+        try {
+            propCommon.load(ConfigUtils.class.getClassLoader().getResourceAsStream("application.properties"));
+
+        } catch (Exception e) {
+            propCommon = null;
+            LOG.error("配置加载失败");
+        }
+    }
+}

src/main/java/cn/mesalab/utils/DruidUtils.java

@@ -0,0 +1,55 @@
+package cn.mesalab.utils;
+
+import cn.mesalab.config.ApplicationConfig;
+import org.apache.calcite.avatica.AvaticaConnection;
+import org.apache.calcite.avatica.AvaticaStatement;
+import org.apache.hadoop.hbase.client.Table;
+
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Properties;
+
+/**
+ * @author yjy
+ * @version 1.0
+ * @date 2021/7/23 4:50 下午
+ */
+public class DruidUtils {
+    private static ThreadLocal<AvaticaConnection> threadLocal = new ThreadLocal<AvaticaConnection>();
+
+    private static final String DRUID_URL = ApplicationConfig.DRUID_URL;
+    private static AvaticaStatement statement = null;
+
+    /**
+     * 打开连接
+     * @throws SQLException
+     */
+    public static AvaticaConnection getConn() throws SQLException {
+        Properties properties = new Properties();
+        properties.setProperty("connectTimeout", String.valueOf(10*60*60));
+        AvaticaConnection connection = (AvaticaConnection) DriverManager.getConnection(DRUID_URL, properties);
+        threadLocal.set(connection);
+        return connection;
+    }
+
+    /**
+     * 关闭连接
+     */
+    public static void closeConnection() throws SQLException{
+        AvaticaConnection conn = threadLocal.get();
+        if(conn != null){
+            conn.close();
+            threadLocal.remove();
+        }
+    }
+
+    /**
+     * 根据sql查询结果
+     */
+    public static ResultSet executeQuery (AvaticaStatement statement, String sql) throws SQLException{
+        ResultSet resultSet  = statement.executeQuery(sql);
+        return resultSet;
+    }
+
+}

src/main/java/cn/mesalab/utils/HbaseUtils.java

@@ -0,0 +1 @@
+package cn.mesalab.utils;

src/main/java/cn/mesalab/utils/HttpClientUtils.java

@@ -0,0 +1,485 @@
+package cn.mesalab.utils;
+
+import cn.mesalab.config.ApplicationConfig;
+import com.google.common.collect.Maps;
+import org.apache.http.*;
+import com.zdjizhi.utils.StringUtil;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.HttpRequestRetryHandler;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.protocol.HttpClientContext;
+import org.apache.http.conn.ConnectTimeoutException;
+import org.apache.http.conn.ConnectionKeepAliveStrategy;
+import org.apache.http.entity.ByteArrayEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.apache.http.message.BasicHeaderElementIterator;
+import org.apache.http.protocol.HTTP;
+import org.apache.http.util.EntityUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.PostConstruct;
+import javax.net.ssl.SSLException;
+import javax.net.ssl.SSLHandshakeException;
+import java.io.IOException;
+import java.io.InterruptedIOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author yjy
+ * @version 1.0
+ * @date 2021/8/3 3:57 下午
+ */
+
+public class HttpClientUtils {
+    private static final Logger LOG = LoggerFactory.getLogger(HttpClientUtils.class);
+
+    //全局连接池对象
+    private PoolingHttpClientConnectionManager connectionManager;
+
+    /**
+     * 初始化连接池信息
+     */
+    @PostConstruct
+    public void initConnectionManager() {
+        if (connectionManager == null) {
+            connectionManager = new PoolingHttpClientConnectionManager();
+            // 整个连接池最大连接数
+            connectionManager.setMaxTotal(ApplicationConfig.HTTP_MAX_CONNECTION_NUM);
+            // 每路由最大连接数，默认值是2
+            connectionManager.setDefaultMaxPerRoute(ApplicationConfig.HTTP_MAX_PER_ROUTE);
+        }
+        LOG.info("Initializing PoolingHttpClientConnectionManager Complete");
+    }
+
+    /**
+     * 获取Http客户端连接对象
+     *
+     * @param socketTimeOut 响应超时时间
+     * @return Http客户端连接对象
+     */
+    public CloseableHttpClient getHttpClient(int socketTimeOut) {
+        // 创建Http请求配置参数
+        RequestConfig requestConfig = RequestConfig.custom()
+                // 获取连接超时时间
+                .setConnectionRequestTimeout(ApplicationConfig.HTTP_CONNECTION_TIMEOUT)
+                // 请求超时时间
+                .setConnectTimeout(ApplicationConfig.HTTP_REQUEST_TIMEOUT)
+                // 响应超时时间
+                .setSocketTimeout(socketTimeOut)
+                .build();
+
+        /**
+         * 测出超时重试机制为了防止超时不生效而设置
+         *  如果直接放回false,不重试
+         *  这里会根据情况进行判断是否重试
+         */
+        HttpRequestRetryHandler retry = (exception, executionCount, context) -> {
+            if (executionCount >= 3) {// 如果已经重试了3次，就放弃
+                return false;
+            }
+            if (exception instanceof NoHttpResponseException) {// 如果服务器丢掉了连接，那么就重试
+                return true;
+            }
+            if (exception instanceof SSLHandshakeException) {// 不要重试SSL握手异常
+                return false;
+            }
+            if (exception instanceof InterruptedIOException) {// 超时
+                return true;
+            }
+            if (exception instanceof UnknownHostException) {// 目标服务器不可达
+                return false;
+            }
+            if (exception instanceof ConnectTimeoutException) {// 连接被拒绝
+                return false;
+            }
+            if (exception instanceof SSLException) {// ssl握手异常
+                return false;
+            }
+            HttpClientContext clientContext = HttpClientContext.adapt(context);
+            HttpRequest request = clientContext.getRequest();
+            // 如果请求是幂等的，就再次尝试
+            if (!(request instanceof HttpEntityEnclosingRequest)) {
+                return true;
+            }
+            return false;
+        };
+
+
+        ConnectionKeepAliveStrategy myStrategy = (response, context) -> {
+            HeaderElementIterator it = new BasicHeaderElementIterator
+                    (response.headerIterator(HTTP.CONN_KEEP_ALIVE));
+            while (it.hasNext()) {
+                HeaderElement he = it.nextElement();
+                String param = he.getName();
+                String value = he.getValue();
+                if (value != null && param.equalsIgnoreCase("timeout")) {
+                    return Long.parseLong(value) * 1000;
+                }
+            }
+            return 60 * 1000;//如果没有约定，则默认定义时长为60s
+        };
+
+        // 创建httpClient
+        return HttpClients.custom()
+                // 把请求相关的超时信息设置到连接客户端
+                .setDefaultRequestConfig(requestConfig)
+                // 把请求重试设置到连接客户端
+                .setRetryHandler(retry)
+                .setKeepAliveStrategy(myStrategy)
+                // 配置连接池管理对象
+                .setConnectionManager(connectionManager)
+                .build();
+    }
+
+    /**
+     * Desc: 发起http delete请求，返回status code与response body
+     * @param url
+     * @param socketTimeout
+     * @return {@link Map< String, String>}
+     * @created by wWei
+     * @date 2021/1/8 3:29 下午
+     */
+    public Map<String, String> httpDelete(String url, int socketTimeout) {
+        Map<String, String> resultMap = Maps.newHashMap();
+        // 创建GET请求对象
+        CloseableHttpResponse response = null;
+        try {
+            HttpDelete httpDelete = new HttpDelete(url);
+            // 执行请求
+            response = getHttpClient(socketTimeout).execute(httpDelete);
+            // 获取响应实体
+            HttpEntity entity = response.getEntity();
+            // 获取响应信息
+            resultMap.put("status", String.valueOf(response.getStatusLine().getStatusCode()));
+            resultMap.put("result", EntityUtils.toString(entity, "UTF-8"));
+        } catch (ClientProtocolException e) {
+            LOG.error("协议错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("解析错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IO错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_BAD_GATEWAY));
+            resultMap.put("message", e.getMessage());
+        } catch (Exception e) {
+            LOG.error("其它错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
+            resultMap.put("message", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consumeQuietly(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("释放链接错误: {}", e.getMessage());
+                }
+            }
+        }
+        return resultMap;
+    }
+
+    /**
+     *  返回status code与response body
+     *  @param url:请求地址
+     * @param socketTimeout: 响应超时时间
+     *
+     **/
+    public Map<String, String> httpGet(String url, int socketTimeout) {
+        Map<String, String> resultMap = Maps.newHashMap();
+        // 创建GET请求对象
+        CloseableHttpResponse response = null;
+        try {
+            HttpGet httpGet = new HttpGet(url);
+            // 执行请求
+            response = getHttpClient(socketTimeout).execute(httpGet);
+            // 获取响应实体
+            HttpEntity entity = response.getEntity();
+            // 获取响应信息
+            resultMap.put("status", String.valueOf(response.getStatusLine().getStatusCode()));
+            resultMap.put("result", EntityUtils.toString(entity, "UTF-8"));
+        } catch (ClientProtocolException e) {
+            LOG.error("ClientProtocolException:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("ParseException:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IOException:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_BAD_GATEWAY));
+            resultMap.put("message", e.getMessage());
+        } catch (Exception e) {
+            LOG.error("Exception:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
+            resultMap.put("message", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consumeQuietly(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("CloseConnectionException:{}", e.getMessage());
+                }
+            }
+        }
+        return resultMap;
+    }
+
+    /**
+     * 返回status code与response body
+     * @param url:请求地址
+     * @param headers:       Headers
+     * @param socketTimeOut: 响应超时时间
+     * @return: java.util.Map<java.lang.String, java.lang.String>
+     **/
+    public Map<String, String> httpGet(String url, Map<String, String> headers, int socketTimeOut) {
+        Map<String, String> resultMap = Maps.newHashMap();
+        // 创建GET请求对象
+        CloseableHttpResponse response = null;
+        try {
+            HttpGet httpGet = new HttpGet(url);
+            for (String key : headers.keySet()) {
+                httpGet.setHeader(key, headers.get(key));
+            }
+            // 执行请求
+            response = getHttpClient(socketTimeOut).execute(httpGet);
+            // 获取响应实体
+            HttpEntity entity = response.getEntity();
+            // 获取响应信息
+            resultMap.put("status", String.valueOf(response.getStatusLine().getStatusCode()));
+            resultMap.put("result", EntityUtils.toString(entity, "UTF-8"));
+        } catch (ClientProtocolException e) {
+            LOG.error("ClientProtocolException:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("ParseException:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IOException:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_BAD_GATEWAY));
+            resultMap.put("message", e.getMessage());
+        } catch (Exception e) {
+            LOG.error("Exception:{}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
+            resultMap.put("message", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consumeQuietly(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("CloseConnectionException:{}", e.getMessage());
+                }
+            }
+        }
+        return resultMap;
+    }
+
+    /**
+     * 返回status code与response body
+     * @param url:请求地址
+     * @param jsonString:请求参数
+     * @param socketTimeOut:响应超时时间
+     **/
+    public Map<String, String> httpPost(String url, String jsonString, int socketTimeOut) {
+        Map<String, String> resultMap = Maps.newHashMap();
+        // 创建GET请求对象
+        CloseableHttpResponse response = null;
+        try {
+            HttpPost httpPost = new HttpPost(url);
+            httpPost.setHeader("Content-Type", "application/json");
+            httpPost.setEntity(new ByteArrayEntity(jsonString.getBytes("utf-8")));
+            response = getHttpClient(socketTimeOut).execute(httpPost);
+            // 获取响应实体
+            HttpEntity entity = response.getEntity();
+            // 获取响应信息
+            resultMap.put("status", String.valueOf(response.getStatusLine().getStatusCode()));
+            resultMap.put("result", EntityUtils.toString(entity, "UTF-8"));
+        } catch (ClientProtocolException e) {
+            LOG.error("协议错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("解析错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_SERVICE_UNAVAILABLE));
+            resultMap.put("message", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IO错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_BAD_GATEWAY));
+            resultMap.put("message", e.getMessage());
+        } catch (Exception e) {
+            LOG.error("其它错误: {}", e.getMessage());
+            resultMap.put("status", String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR));
+            resultMap.put("message", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consumeQuietly(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("释放链接错误: {}", e.getMessage());
+                }
+            }
+        }
+        return resultMap;
+    }
+
+    /**
+     * 返回status code与response body
+     * @param url:请求地址
+     * @param headers:       Headers
+     * @param socketTimeOut: 响应超时时间
+     **/
+    public Map<String, String> getHttpPostResponseHeads(String url, Map<String, String> headers, int socketTimeOut) {
+        CloseableHttpResponse response = null;
+        HashMap<String, String> map = Maps.newHashMap();
+        try {
+            HttpPost httpPost = new HttpPost(url);
+            for (Object k : headers.keySet()) {
+                httpPost.setHeader(k.toString(), headers.get(k).toString());
+            }
+            response = getHttpClient(socketTimeOut).execute(httpPost);
+            Header[] Headers = response.getAllHeaders();
+            for (Header h : Headers) {
+                map.put(h.getName().toUpperCase(), h.getValue());
+            }
+        } catch (ClientProtocolException e) {
+            LOG.error("协议错误: {}", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("解析错误: {}", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IO错误: {}", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consumeQuietly(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("释放链接错误: {}", e.getMessage());
+                }
+            }
+        }
+        return map;
+    }
+
+    /**
+     * @param url:请求地址
+     **/
+    public String httpGet(String url) {
+        String msg = "-1";
+        // 获取客户端连接对象
+        CloseableHttpClient httpClient = getHttpClient(ApplicationConfig.HTTP_RESPONSE_TIMEOUT);
+        CloseableHttpResponse response = null;
+        try {
+            URL ul = new URL(url);
+            URI uri = new URI(ul.getProtocol(), null, ul.getHost(), ul.getPort(), ul.getPath(), ul.getQuery(), null);
+            LOG.info("http get uri {}", uri);
+            // 创建GET请求对象
+            HttpGet httpGet = new HttpGet(uri);
+            // 执行请求
+            response = httpClient.execute(httpGet);
+            int statusCode = response.getStatusLine().getStatusCode();
+            // 获取响应实体
+            HttpEntity entity = response.getEntity();
+            // 获取响应信息
+            msg = EntityUtils.toString(entity, "UTF-8");
+            if (statusCode != HttpStatus.SC_OK) {
+                LOG.error("Http get content is :" + msg);
+                System.exit(1);
+            }
+        } catch (URISyntaxException e) {
+            LOG.error("URI 转换错误: {}", e.getMessage());
+        } catch (ClientProtocolException e) {
+            LOG.error("协议错误: {}", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("解析错误: {}", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IO错误: {}", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consume(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("释放链接错误: {}", e.getMessage());
+                }
+            }
+        }
+        return msg;
+    }
+
+    /**
+     * @param url:           请求地址
+     * @param requestBody:   请求参数
+     * @param headers:       Header
+     **/
+    public String httpPost(String url, String requestBody, Header... headers) {
+        String msg = "-1";
+        // 获取客户端连接对象
+        CloseableHttpClient httpClient = getHttpClient(ApplicationConfig.HTTP_RESPONSE_TIMEOUT);
+        // 创建POST请求对象
+        CloseableHttpResponse response = null;
+        try {
+
+            URL ul = new URL(url);
+            URI uri = new URI(ul.getProtocol(), null, ul.getHost(), ul.getPort(), ul.getPath(), ul.getQuery(), null);
+            LOG.debug("http post uri:{}， http post body:{}", uri, requestBody);
+            HttpPost httpPost = new HttpPost(uri);
+            httpPost.setHeader("Content-Type", "application/json");
+            if (StringUtil.isNotEmpty(headers)) {
+                for (Header h : headers) {
+                    httpPost.addHeader(h);
+                }
+            }
+            if (StringUtil.isNotBlank(requestBody)) {
+                httpPost.setEntity(new ByteArrayEntity(requestBody.getBytes("utf-8")));
+            }
+            response = httpClient.execute(httpPost);
+            int statusCode = response.getStatusLine().getStatusCode();
+            // 获取响应实体
+            HttpEntity entity = response.getEntity();
+            // 获取响应信息
+            msg = EntityUtils.toString(entity, "UTF-8");
+            if (statusCode != HttpStatus.SC_OK && statusCode != HttpStatus.SC_CREATED) {
+                LOG.error(msg);
+                System.exit(1);
+            }
+        } catch (URISyntaxException e) {
+            LOG.error("URI 转换错误: {}", e.getMessage());
+        } catch (ClientProtocolException e) {
+            LOG.error("协议错误: {}", e.getMessage());
+        } catch (ParseException e) {
+            LOG.error("解析错误: {}", e.getMessage());
+        } catch (IOException e) {
+            LOG.error("IO错误: {}", e.getMessage());
+        } finally {
+            if (null != response) {
+                try {
+                    EntityUtils.consumeQuietly(response.getEntity());
+                    response.close();
+                } catch (IOException e) {
+                    LOG.error("释放链接错误: {}", e.getMessage());
+                }
+            }
+        }
+        return msg;
+    }
+}

src/main/java/cn/mesalab/utils/SeriesUtils.java

@@ -0,0 +1,212 @@
+package cn.mesalab.utils;
+
+import cn.mesalab.config.ApplicationConfig;
+import cn.mesalab.dao.DruidData;
+import cn.mesalab.service.BaselineGeneration;
+import com.google.common.collect.Lists;
+import org.jfree.util.Log;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.lang.reflect.Array;
+import java.time.Duration;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
+import java.util.stream.Stream;
+
+
+/**
+ * @author joy
+ */
+public class SeriesUtils {
+    private static final Logger LOG = LoggerFactory.getLogger(SeriesUtils.class);
+
+    private static DruidData druidData = new DruidData();
+
+    public static List<Map<String, Object>> readCsvToList(String filePath) {
+        List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
+
+        String line;
+        try (BufferedReader br = new BufferedReader(new FileReader(filePath))) {
+            br.readLine();
+            while ((line = br.readLine()) != null) {
+                List<String> column = Arrays.asList(line.split(","));
+                // 保存记录中的每个<字段名-字段值>
+                Map<String, Object> rowData = new HashMap<String, Object>();
+                rowData.put("__time", column.get(0));
+                rowData.put(ApplicationConfig.BASELINE_METRIC_TYPE, Integer.valueOf(column.get(1)));
+
+                list.add(rowData);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return list;
+    }
+
+
+    /**
+     * 时序数据补齐
+     */
+    public static List<Map<String, Object>> complementSeries(List<Map<String, Object>> originSeries){
+        LocalDateTime startTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(druidData.getTimeLimit()._2), TimeZone
+                .getDefault().toZoneId());
+        LocalDateTime endTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(druidData.getTimeLimit()._1), TimeZone
+                .getDefault().toZoneId());
+        List<String> dateList = completionDate(startTime, endTime);
+
+        // 补全后的结果
+        List<Map<String, Object>> result = new ArrayList<>();
+        boolean dbDateExist = false;
+        for (String date : dateList) {
+            //table为数据库查询出来的对象列表，结构为List<Map<String, Object>>
+            for (Map<String, Object> row : originSeries) {
+                if (row.get(ApplicationConfig.DRUID_RECVTIME_COLUMN_NAME).toString().substring(0,19).equals(date)) {
+                    //集合已包含该日期
+                    dbDateExist = true;
+                    result.add(row);
+                    break;
+                }
+            }
+            //添加补全的数据到最后结果列表
+            if (!dbDateExist) {
+                Map<String, Object> temp = new HashMap<>(2);
+                temp.put(ApplicationConfig.DRUID_RECVTIME_COLUMN_NAME, date);
+                temp.put(ApplicationConfig.BASELINE_METRIC_TYPE, 0);
+                result.add(temp);
+            }
+            dbDateExist = false;
+        }
+
+        return result;
+    }
+
+    private static List<String> completionDate(LocalDateTime startTime, LocalDateTime endTime) {
+        //日期格式化
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(ApplicationConfig.TIME_FORMAT);
+        List<String> timeList = new ArrayList<>();
+        //遍历给定的日期期间的每一天
+        for (int i = 0; !Duration.between(startTime.plusMinutes(i+1), endTime).isNegative(); i+= ApplicationConfig.HISTORICAL_GRAD) {
+            //添加日期
+            timeList.add(startTime.plusMinutes(i).format(formatter));
+        }
+        return timeList;
+    }
+
+    /**
+     * 判断是否存在以天为单位的周期特征
+     * @param historicalSeries
+     * @return
+     */
+    public static Boolean isPeriod(List<Integer> historicalSeries){
+        Boolean result = true;
+        List<List<Integer>> partitions = Lists.partition(historicalSeries, 24*60/ApplicationConfig.HISTORICAL_GRAD);
+        List<Integer> aggregatedPart = Arrays.asList();
+        try{
+            aggregatedPart = columnAverage(partitions.subList(0, ApplicationConfig.READ_HISTORICAL_DAYS-1));
+        } catch (IndexOutOfBoundsException e){
+            Log.error("历史");
+        }
+
+        // Pearson corrcoef
+        double pearsonCorrelationScore = getPearsonCorrelationScore(aggregatedPart.stream().mapToInt(Integer::valueOf).toArray(),
+                partitions.get(partitions.size() - 1).stream().mapToInt(Integer::valueOf).toArray());
+
+        if (pearsonCorrelationScore < ApplicationConfig.BASELINE_PERIOD_CORR_THRE){
+            result=false;
+        }
+        return result;
+    }
+
+    public static double getPearsonCorrelationScore(int[] xData, int[] yData) {
+        if (xData.length != yData.length) {
+            Log.error("Pearson CorrelationScore 数组长度不相等!");
+        }
+        int xMeans;
+        int yMeans;
+        double numerator = 0;
+        double denominator = 0;
+
+        double result = 0;
+        // 拿到两个数据的平均值
+        xMeans = (int) getMeans(xData);
+        yMeans = (int) getMeans(yData);
+        // 计算皮尔逊系数的分子
+        numerator = generateNumerator(xData, xMeans, yData, yMeans);
+        // 计算皮尔逊系数的分母
+        denominator = generateDenomiator(xData, xMeans, yData, yMeans);
+        // 计算皮尔逊系数
+        if(denominator>0) {
+            result = numerator / denominator;
+        }
+        return result;
+    }
+
+    private static int generateNumerator(int[] xData, int xMeans, int[] yData, int yMeans) {
+        int numerator = 0;
+        for (int i = 0; i < xData.length; i++) {
+            numerator += (xData[i] - xMeans) * (yData[i] - yMeans);
+        }
+        return numerator;
+    }
+
+    private static double generateDenomiator(int[] xData, int xMeans, int[] yData, int yMeans) {
+        double xSum = 0.0;
+        for (int i = 0; i < xData.length; i++) {
+            xSum += (xData[i] - xMeans) * (xData[i] - xMeans);
+        }
+        double ySum = 0.0;
+        for (int i = 0; i < yData.length; i++) {
+            ySum += (yData[i] - yMeans) * (yData[i] - yMeans);
+        }
+        return Math.sqrt(xSum) * Math.sqrt(ySum);
+    }
+
+    private static double getMeans(int[] datas) {
+        double sum = 0.0;
+        for (int i = 0; i < datas.length; i++) {
+            sum += datas[i];
+        }
+        return sum / datas.length;
+    }
+
+    public static List<Integer> columnAverage(List<List<Integer>> list){
+        ArrayList<Integer> averages = new ArrayList<>();
+        for(int i=0; i<list.get(0).size(); i++){
+            int columnSum = 0;
+            for(int j = 0; j< list.size(); j++){
+                columnSum += list.get(j).get(i);
+            }
+            averages.add(columnSum / list.size());
+        }
+        return averages;
+    }
+
+    public static int percentile(List<Integer> latencies, double percentile) {
+        Collections.sort(latencies);
+        int index = (int) Math.ceil(percentile * latencies.size());
+        return latencies.get(index-1);
+    }
+
+    public static void main(String[] args) {
+        List<Integer> test = Arrays.asList(
+                1,2,3,4,5,
+                1,2,3,4,5,
+                1,2,3,4,5,
+                1,2,3,4,5,
+                1,2,3,4,5,
+                1,2,3,4,5,
+                1,2,3,4,5);
+        System.out.println(columnAverage(Lists.partition(test, 5)));
+
+
+
+    }
+
+
+}
+