ScalaConn

来源：互联网发布：栏目包装知乎编辑：程序博客网时间：2024/06/05 05:17
package DAO;import java.sql._import java.text.SimpleDateFormatimport java.util.{List, Date, HashMap, Properties}import com.google.protobuf.TextFormat.ParseExceptionimport org.apache.hadoop.conf.Configurationimport org.apache.hadoop.hbase.{TableName, HBaseConfiguration}import org.apache.hadoop.hbase.client._import org.apache.hadoop.hbase.filter.PageFilterimport org.apache.hadoop.hbase.util.Bytesimport org.apache.hadoop.mapred.JobConfimport org.apache.spark.sql.{Row, DataFrame, SQLContext}import org.apache.spark.{SparkContext, SparkConf}import org.apache.spark.sql.SparkSessionimport org.apache.hadoop.hbase.client.{Table, Connection}import java.text.SimpleDateFormat;import org.apache.hadoop.hbase.io.ImmutableBytesWritableimport org.apache.hadoop.hbase.mapreduce.TableInputFormatimport java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import org.apache.spark.sql.catalyst.encoders.ExpressionEncoderimport org.apache.spark.sql.Encoderimport org.apache.spark.rdd.RDDimport org.apache.hadoop.hbase.mapred.TableOutputFormatimport org.slf4j.LoggerFactoryobject ScalaConn {  def LOG = LoggerFactory.getLogger(getClass)  val driver = "com.mysql.jdbc.Driver"  val jdbcUrl = "jdbc:mysql://192.168.100.233:3306/sp2p628"  val MYSQL_USERNAME: String = "root"  val MYSQL_PWD: String = "dzwang**"  val MYSQL_CONNECTION_URL: String = "jdbc:mysql://192.168.100.233:3306/sp2p628"val warehouseLocation = "file:${system:user.dir}/spark-warehouse"val spark = SparkSession  .builder()  .master("local[*]") //spark://192.168.100.110:7077  .appName("SparkSQL")  .config("spark.executor.memory", "2g")  .config("spark.sql.warehouse.dir", "file:///D:/BigData/spark-warehouse")  .getOrCreate()//local "local[*]"  def getJdbcConn {//    var connection: Connection = null    try {      Class.forName(driver)//      connection = DriverManager.getConnection(jdbcUrl, MYSQL_USERNAME, MYSQL_PWD)//      val statement = connection.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY)      // val resultSet = statement.executeQuery("select name, password from scala_t")      //  while (resultSet.next()) {      //         val name = resultSet.getString("name")      //        val password = resultSet.getString("password")      // }      //  return statement;    } catch {      case e: Exception => {        LOG.error(e.toString)        }    }  }    def getP2PDataFrame(tableName: String): DataFrame =  {    val property = new Properties()   val url = "jdbc:mysql://192.168.100.233:3306/sp2p628"    property.put("user","root")    property.put("password", "dzwang**")    val jdbcDF = spark.read.jdbc(url,tableName, property)     jdbcDF  }  def getHadoopDataFrame(tableName: String): DataFrame =  {        val property = new Properties()        val url = "jdbc:mysql://192.168.55.218:3306/hadoop"        property.put("user","root")        property.put("password", "dzwang**")        val jdbcDF = spark.read.jdbc(url,tableName, property)       jdbcDF  }  def getHadoopFtoulanalyDataFrame(tableName: String): DataFrame =  {    val property = new Properties()    val url = "jdbc:mysql://192.168.55.218:3306/ftoulanaly"    property.put("user","root")    property.put("password", "dzwang**")    val jdbcDF = spark.read.jdbc(url,tableName, property)    jdbcDF  }  def getHadoopFtcrawlerDataFrame(tableName: String): DataFrame =  {    val property = new Properties()    val url = "jdbc:mysql://192.168.55.218:3306/ftcrawler"    property.put("user","root")    property.put("password", "dzwang**")    val jdbcDF = spark.read.jdbc(url,tableName, property)    jdbcDF  }  def getHadoopDedetestDataFrame(tableName: String): DataFrame =  {    val property = new Properties()    val url = "jdbc:mysql://192.168.55.218:3306/dedetest"    property.put("user","root")    property.put("password", "dzwang**")    val jdbcDF = spark.read.jdbc(url,tableName, property)    jdbcDF  }  def getShopDataFrame(tableName: String): DataFrame =  {    val property = new Properties()    val url = "jdbc:mysql://192.168.100.239:3306/ftoul_shop"    property.put("user","root")    property.put("password", "dzwang**")    val jdbcDF = spark.read.jdbc(url,tableName, property)    jdbcDF  }//  def getHaseDataFrame(tableName: String):DataFrame=//  {//    getHbaseConf.set(TableInputFormat.INPUT_TABLE,tableName)//    import spark.implicits._//    val hbaseRDD = spark.sparkContext.newAPIHadoopRDD(getHbaseConf,classOf[TableInputFormat],classOf[ImmutableBytesWritable],classOf[Result])//    val HbaseDF = hbaseRDD.map(r=>(//      Bytes.toString(r._2.getValue(Bytes.toBytes("info"),Bytes.toBytes("customer_id"))),//      Bytes.toString(r._2.getValue(Bytes.toBytes("info"),Bytes.toBytes("create_id")))//      )).toDF("customer_id","create_id")//    shop.createOrReplaceTempView("shop")//    HbaseDF//  }  /**   * 获得指定日期的前一天   */  def getSpecifiedDayBefore(specifiedDay:String):String = {    //SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");    var c:Calendar = Calendar.getInstance();    var date:Date =null;    try {      date = new SimpleDateFormat("yyyyMMdd").parse(specifiedDay)    }  catch {      case e: Exception => {        e.printStackTrace()      }    }    c.setTime(date);     var day =c.get(Calendar.DATE);    c.set(Calendar.DATE,day-1);   var dayBefore:String =new SimpleDateFormat("yyyyMMdd").format(c.getTime());     dayBefore  }  /**   * 获得指定日期的后一天   */  def getSpecifiedDayAfter(specifiedDay:String):String = {    //SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");    var c:Calendar = Calendar.getInstance();    var date:Date =null;    try {      date = new SimpleDateFormat("yyyyMMdd").parse(specifiedDay)    }  catch {      case e: Exception => {        e.printStackTrace()      }    }    c.setTime(date);    var day =c.get(Calendar.DATE);    c.set(Calendar.DATE,day+1);    var dayBefore:String =new SimpleDateFormat("yyyyMMdd").format(c.getTime());    dayBefore  }  def getHbaseConf: Configuration = {    val conf: Configuration = HBaseConfiguration.create    conf.set("hbase.zookeeper.property.clientPort", "2181")    conf.set("spark.executor.memory", "3000m")    conf.set("hbase.zookeeper.quorum", "192.168.100.110,192.168.100.111,192.168.100.112")    conf.set("hbase.master", "192.168.100.110:16020")    conf.set("hbase.rootdir", "hdfs://192.168.100.110:9000/hbase")    conf  }    def GetStampByTime(time: String): Timestamp = {      var Stamp: Timestamp = new Timestamp(System.currentTimeMillis)      val sdf: SimpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")      var date: Date = null      try {        date = sdf.parse(time)        Stamp = new Timestamp(date.getTime)//        println("DT:"+Stamp)      }      catch {        case e: Exception => {          LOG.error(e.toString)        }      }      Stamp    }    def GetStampByTime1(time: String): Timestamp = {      var Stamp: Timestamp = new Timestamp(System.currentTimeMillis)      val sdf: SimpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss")      var date: Date = null      try {        date = sdf.parse(time)        Stamp = new Timestamp(date.getTime)//        println("DT:"+Stamp)      }      catch {        case e: Exception => {          LOG.error(e.toString)        }      }      Stamp    }  def evaluate( i:Int): String = {    var date:Date = new Date();//取时间    var sf:SimpleDateFormat = new SimpleDateFormat("yyyyMMdd");//    var nowDate:String  = sf.format(date);//    println("nowDate="+nowDate)    var time:Long  = (date.getTime() / 1000) + 60 * 60 * 24 * i;//秒    date.setTime(time * 1000);//毫秒    var nextDate:String  = sf.format(date);//    println("nextDate="+nextDate)    nextDate  }//  fmt: yyyy-MM-dd HH:mm:ss  def getYesterday(i:Int,fmt:String):String= {  var ft = ""   if (fmt.isEmpty){     ft = "yyyy-MM-dd HH:mm:ss"   }else{     ft = fmt   }    var dateFormat: SimpleDateFormat = new SimpleDateFormat(ft)    var cal: Calendar = Calendar.getInstance()    cal.add(Calendar.DATE, i)    var yesterday = dateFormat.format(cal.getTime())    yesterday  }    def getMaxDate(conf: Configuration, hconn: Connection,table: Table, colFamily: String, dt: String): String = {      var maxDate: String = "2014-12-01 00:00:00"      var results: ResultScanner = null//      val table: Table = hconn.getTable(TableName.valueOf(tableName))      try {        val scan: Scan = new Scan        scan.setReversed(true)        scan.setMaxVersions()        scan.setMaxResultSize(1)        scan.setFilter(new PageFilter(1))       scan.addFamily(Bytes.toBytes(colFamily));       scan.addColumn(Bytes.toBytes(colFamily), Bytes.toBytes(dt));        results = table.getScanner(scan)//        println("results =================="+results.next())        var i = 0        import scala.collection.JavaConversions._       for (r <- results)  {         if( i == 0) {           maxDate = new String(r.getValue(Bytes.toBytes(colFamily), Bytes.toBytes(dt)))         }//         i= i+1//          println("maxDate =================="+maxDate)        }        if ((maxDate == "") || (maxDate == null)|| (maxDate == "null")) {          maxDate = "2014-12-01 00:00:00"        }        LOG.info("maxDate="+maxDate)      }      catch {        case e: Exception => {          LOG.error(e.toString)        }      } finally {        try {          if (results != null) results.close        }        catch {          case e: Exception => {            LOG.error(e.toString)          }        }      }       maxDate    }  }
0 0