话不多说，直接看代码
package com.smk.bury.service.hbase;
import com.cat.common.bean.EMsg;
import com.cat.common.exception.RequestException;
import com.cat.common.listener.RSystemConfig;
import com.cat.common.properties.PropertiesUtil;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.*;
import org.apache.log4j.Logger;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
public class HBaseHander {
private static volatile HBaseHander hBaseHander;
protected Logger _logger = Logger.getLogger(this.getClass());
/**
* 连接
*/
private static Connection connection;
private static final String sep = "_";
public static final String WD_yyyyMMddHHmm = "WD1002";
/**
* 小时维度
*/
public static final String WD_yyyyMMddHH = "WD1003";
/**
* 日期维度
*/
public static final String WD_yyyyMMdd = "WD1004";
public static final String WD_yyyyMM_month = "WD1005";
public static final String WD_yyyyMM = "WD1006";
public static final String WD_yyyyMM_J = "WD1007";
public static final String WD_yyyy = "WD1008";
/**
* hbase的表
*/
private static final String table_name = "smk_app_quota";
/**
* 列
*/
private static final String family = "quota";
private HBaseHander() {
if (connection == null) {
synchronized (HBaseHander.class) {
try {
Configuration conf = null;
conf = HBaseConfiguration.create();
// conf.set("hbase.zookeeper.quorum", "node01,node02,node03");
String path = RSystemConfig.Home_Path + "hbase.properties";
// String path = "d://hbase.properties";
_logger.info("fastdfsFile path="+path);
Properties p = PropertiesUtil.getInstance().getProperties(path);
conf.set("hbase.zookeeper.quorum", p.getProperty("hbase.zookeeper.quorum"));
conf.set("hbase.zookeeper.property.clientPort",p.getProperty("hbase.zookeeper.property.clientPort"));
conf.set("zookeeper.znode.parent", p.getProperty("zookeeper.znode.parent"));
conf.set("hbase.client.retries.number", p.getProperty("hbase.client.retries.number"));
conf.set("hbase.client.pause",p.getProperty("hbase.client.pause"));
conf.set("zookeeper.recovery.retry.intervalmill", p.getProperty("zookeeper.recovery.retry.intervalmill"));
conf.set("ipc.socket.timeout", p.getProperty("ipc.socket.timeout"));
conf.set("hbase.rpc.timeout", p.getProperty("hbase.rpc.timeout"));
conf.set("hbase.client.scanner.timeout.period", p.getProperty("hbase.client.scanner.timeout.period"));
/* conf.set("hbase.zookeeper.quorum", "192.168.23.181,192.168.23.182,192.168.23.183");
conf.set("hbase.zookeeper.property.clientPort", "2181");
conf.set("zookeeper.znode.parent", "/hbase");
conf.set("hbase.client.retries.number", "3");
conf.set("hbase.client.pause", "100");
conf.set("zookeeper.recovery.retry.intervalmill", "200");
conf.set("ipc.socket.timeout", "2000");
conf.set("hbase.rpc.timeout", "2000");
conf.set("hbase.client.scanner.timeout.period", "500");*/
File workaround = new File(".");
System.getProperties().put("hadoop.home.dir",
workaround.getAbsolutePath());
new File("./bin").mkdirs();
try {
new File("./bin/winutils.exe").createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
if (connection == null) {
connection = ConnectionFactory.createConnection(conf);
}
} catch (Exception e) {
_logger.info("初始化异常");
e.printStackTrace();
}
}
}
}
/**
* 单例模式初始化
* @return
*/
public static HBaseHander getInstance() {
if (hBaseHander == null) {
synchronized (HBaseHander.class) {
if (hBaseHander == null) {
hBaseHander = new HBaseHander();
}
}
}
return hBaseHander;
}
/**
* 通过表名，rowKey ,family,columnName,获取指定Column数据
*/
private String queryByColumnName(String tableName, String rowKey, String family, String columnName) {
try {
if (null == connection) {
throw new RequestException(EMsg.Fail, "HBASE系统异常");
}
Table table = connection.getTable(TableName.valueOf(tableName));
Get get = new Get(rowKey.getBytes());
Result result = table.get(get);
byte[] str = result.getValue(family.getBytes(), columnName.getBytes());
if (null == str) {
return null;
}
table.close();
return new String(str, "UTF-8");
} catch (Exception e) {
e.printStackTrace();
_logger.info("queryByColumnName HBASE出现异常，异常信息为:" + e.toString());
}
return null;
}
/**
* scan表数据，通过表名，列簇，columnName,时间的范围
*/
private Map<String, Object> queryByRange(String tableName,
String rowKey, String family, String columnName, String startDate, String endDate) {
ResultScanner results = null;
Map<String, Object> retMap = new HashMap<String, Object>();
try {
if (null == connection) {
throw new RequestException(EMsg.Fail, "HBASE系统异常");
}
Table table = connection.getTable(TableName.valueOf(table_name));
Scan scan = new Scan();
scan.addColumn(family.getBytes(), columnName.getBytes());
scan.setStartRow((rowKey + sep + startDate).getBytes());
scan.setStopRow((rowKey + sep + endDate).getBytes());
results = table.getScanner(scan);
for (Result result : results) {
for (Cell c : result.rawCells()) {
try {
String d = new String(CellUtil.cloneRow(c)).replace(rowKey + sep, "");
String v = new String(CellUtil.cloneValue(c));
retMap.put(d, Integer.parseInt(v));
}catch (Exception e) {
e.printStackTrace();
}
}
}
table.close();
} catch (IOException e) {
e.printStackTrace();
_logger.info("范围获取hbase数据出现异常，异常信息：" + e.toString());
}
return retMap;
}
// 格式化输出
private static void showCell(Result result) {
Cell[] cells = result.rawCells();
for (Cell cell : cells) {
System.out.println("RowName:" + new String(CellUtil.cloneRow(cell)) + " ");
System.out.println("Timetamp:" + cell.getTimestamp() + " ");
System.out.println("column Family:" + new String(CellUtil.cloneFamily(cell)) + " ");
System.out.println("row Name:" + new String(CellUtil.cloneQualifier(cell)) + " ");
System.out.println("value:" + new String(CellUtil.cloneValue(cell)) + " ");
}
}
/**
* 查询一个时间范围内的埋点数据
* @param appId
* @param pointId
* @param type PV UV
* @param startDate 开始时间
* @param endDate 结束时间
* @return
*/
public Map<String, Object> findDataForDayBury(String appId, String pointId, String type, String startDate, String endDate) {
String key = WD_yyyyMMdd + sep + appId + sep + pointId;
Map<String, Object> m = queryByRange(table_name, key, family, type, startDate, endDate);
return m;
}
/**
* 查询一个时间范围内的埋点数据
* @param appId
* @param pointId
* @param type PV UV
* @param startDate 开始时间
* @param endDate 结束时间
* @return
*/
public Map<String, Object> findDataForHourBury(String appId, String pointId, String type, String startDate, String endDate) {
String key = WD_yyyyMMddHH + sep + appId + sep + pointId;
Map<String, Object> m = queryByRange(table_name, key, family, type, startDate, endDate);
return m;
}
}