java操作hbase工具类

package item;import java.io.IOException;import java.util.ArrayList;import java.util.List;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.hbase.HBaseConfiguration;import org.apache.hadoop.hbase.HColumnDescriptor;import org.apache.hadoop.hbase.HTableDescriptor;import org.apache.hadoop.hbase.KeyValue;import org.apache.hadoop.hbase.MasterNotRunningException;import org.apache.hadoop.hbase.ZooKeeperConnectionException;import org.apache.hadoop.hbase.client.Delete;import org.apache.hadoop.hbase.client.Get;import org.apache.hadoop.hbase.client.HBaseAdmin;import org.apache.hadoop.hbase.client.HTableInterface;import org.apache.hadoop.hbase.client.HTablePool;import org.apache.hadoop.hbase.client.Put;import org.apache.hadoop.hbase.client.Result;import org.apache.hadoop.hbase.client.ResultScanner;import org.apache.hadoop.hbase.client.Scan;import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;import org.apache.hadoop.hbase.filter.Filter;import org.apache.hadoop.hbase.filter.FilterList;import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;import org.apache.hadoop.hbase.util.Bytes;public class HandleWeiboInfo {public static Configuration configuration;static {configuration = HBaseConfiguration.create();configuration.set("hbase.zookeeper.property.clientPort", "2181");configuration.set("hbase.zookeeper.quorum","192.168.112.181,192.168.112.182,192.168.112.183");}public static void main(String[] args) {// createTable("wujintao");// insertData("wujintao");QueryAll("wujintao");// QueryByCondition1("wujintao");// QueryByCondition2("wujintao");// QueryByCondition3("wujintao");// deleteRow("wujintao","abcdef");// deleteByCondition("wujintao", "abcdef");}/** * 创建表 *  * @param tableName */public static void createTable(String tableName) {System.out.println("start create table ......");try {HBaseAdmin hBaseAdmin = new HBaseAdmin(configuration);if (hBaseAdmin.tableExists(tableName)) {// 如果存在要创建的表，那么先删除，再创建hBaseAdmin.disableTable(tableName);hBaseAdmin.deleteTable(tableName);System.out.println(tableName + " is exist,detele....");}HTableDescriptor tableDescriptor = new HTableDescriptor(tableName);tableDescriptor.addFamily(new HColumnDescriptor("column1"));tableDescriptor.addFamily(new HColumnDescriptor("column2"));tableDescriptor.addFamily(new HColumnDescriptor("column3"));hBaseAdmin.createTable(tableDescriptor);} catch (MasterNotRunningException e) {e.printStackTrace();} catch (ZooKeeperConnectionException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}System.out.println("end create table ......");}/** * 插入数据 *  * @param tableName */public static void insertData(String tableName) {System.out.println("start insert data ......");HTablePool pool = new HTablePool(configuration, 1000);HTableInterface table = pool.getTable(tableName);Put put = new Put("112233bbbcccc".getBytes());// 一个PUT代表一行数据，再NEW一个PUT表示第二行数据,每行一个唯一的ROWKEY，此处rowkey为put构造方法中传入的值put.add("column1".getBytes(), null, "aaa".getBytes());// 本行数据的第一列put.add("column2".getBytes(), null, "bbb".getBytes());// 本行数据的第三列put.add("column3".getBytes(), null, "ccc".getBytes());// 本行数据的第三列try {table.put(put);} catch (IOException e) {e.printStackTrace();}System.out.println("end insert data ......");}/** * 删除一张表 *  * @param tableName */public static void dropTable(String tableName) {try {HBaseAdmin admin = new HBaseAdmin(configuration);admin.disableTable(tableName);admin.deleteTable(tableName);} catch (MasterNotRunningException e) {e.printStackTrace();} catch (ZooKeeperConnectionException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/** * 根据 rowkey删除一条记录 *  * @param tablename * @param rowkey */public static void deleteRow(String tablename, String rowkey) {HTablePool pool = new HTablePool(configuration, 1000);HTableInterface table = pool.getTable(tablename);try {List list = new ArrayList();Delete d1 = new Delete(rowkey.getBytes());list.add(d1);table.delete(list);System.out.println("删除行成功!");} catch (IOException e) {e.printStackTrace();}}/** * 组合条件删除 *  * @param tablename * @param rowkey */public static void deleteByCondition(String tablename, String rowkey) {// 目前还没有发现有效的API能够实现 根据非rowkey的条件删除 这个功能能，还有清空表全部数据的API操作}/** * 查询所有数据 *  * @param tableName * @throws IOException */public static void QueryAll(String tableName) {HTablePool pool = new HTablePool(configuration, 1000);HTableInterface table = pool.getTable(tableName);try {// HTable myTable = new HTable(configuration, tableName);ResultScanner rs = table.getScanner(new Scan());for (Result r : rs) {System.out.println("获得到rowkey:" + new String(r.getRow()));for (KeyValue keyValue : r.raw()) {System.out.println("列：" + new String(keyValue.getFamily())+ "====值:" + new String(keyValue.getValue()));}}} catch (IOException e) {e.printStackTrace();}}/** * 单条件查询,根据rowkey查询唯一一条记录 *  * @param tableName */public static void QueryByCondition1(String tableName) {HTablePool pool = new HTablePool(configuration, 1000);HTableInterface table = pool.getTable(tableName);try {Get scan = new Get("abcdef".getBytes());// 根据rowkey查询Result r = table.get(scan);System.out.println("获得到rowkey:" + new String(r.getRow()));for (KeyValue keyValue : r.raw()) {System.out.println("列：" + new String(keyValue.getFamily())+ "====值:" + new String(keyValue.getValue()));}} catch (IOException e) {e.printStackTrace();}}/** * 单条件按查询，查询多条记录 *  * @param tableName */public static void QueryByCondition2(String tableName) {try {HTablePool pool = new HTablePool(configuration, 1000);HTableInterface table = pool.getTable(tableName);Filter filter = new SingleColumnValueFilter(Bytes.toBytes("column1"), null, CompareOp.EQUAL,Bytes.toBytes("aaa")); // 当列column1的值为aaa时进行查询Scan s = new Scan();s.setFilter(filter);ResultScanner rs = table.getScanner(s);for (Result r : rs) {System.out.println("获得到rowkey:" + new String(r.getRow()));for (KeyValue keyValue : r.raw()) {System.out.println("列：" + new String(keyValue.getFamily())+ "====值:" + new String(keyValue.getValue()));}}} catch (Exception e) {e.printStackTrace();}}/** * 组合条件查询 *  * @param tableName */public static void QueryByCondition3(String tableName) {try {HTablePool pool = new HTablePool(configuration, 1000);HTableInterface table = pool.getTable(tableName);List<Filter> filters = new ArrayList<Filter>();Filter filter1 = new SingleColumnValueFilter(Bytes.toBytes("column1"), null, CompareOp.EQUAL,Bytes.toBytes("aaa"));filters.add(filter1);Filter filter2 = new SingleColumnValueFilter(Bytes.toBytes("column2"), null, CompareOp.EQUAL,Bytes.toBytes("bbb"));filters.add(filter2);Filter filter3 = new SingleColumnValueFilter(Bytes.toBytes("column3"), null, CompareOp.EQUAL,Bytes.toBytes("ccc"));filters.add(filter3);FilterList filterList1 = new FilterList(filters);Scan scan = new Scan();scan.setFilter(filterList1);ResultScanner rs = table.getScanner(scan);for (Result r : rs) {System.out.println("获得到rowkey:" + new String(r.getRow()));for (KeyValue keyValue : r.raw()) {System.out.println("列：" + new String(keyValue.getFamily())+ "====值:" + new String(keyValue.getValue()));}}rs.close();} catch (Exception e) {e.printStackTrace();}}}