diff --git a/src/main/java/TableExist.java b/src/main/java/TableExist.java deleted file mode 100644 index 13ade1c..0000000 --- a/src/main/java/TableExist.java +++ /dev/null @@ -1,52 +0,0 @@ -import org.apache.hadoop.conf.Configuration; -import org.apache.hadoop.hbase.*; -import org.apache.hadoop.hbase.client.*; -import java.io.IOException; -import java.util.Scanner; -public class TableExist{ - public static Configuration configuration; - public static Connection connection; - public static Admin admin; - public static void main(String[] args)throws IOException{ - - Scanner sc = new Scanner(System.in); - System.out.print("tableName:"); - String tableName = sc.next(); - init(); - - TableName tn = TableName.valueOf(tableName); - if(admin.tableExists(tn)) { - System.out.println("table " + tableName + " does exist!"); - } else { - System.out.println("table " + tableName + " don't exist!"); - } - close(); - } - //建立连接 - public static void init(){ - //根据 hbase-site.xml文件初始化Configuration 对象 - configuration = HBaseConfiguration.create(); - try{ - //根据 Configuration对象初始化Connection 对象 - connection = ConnectionFactory.createConnection(configuration); - //获取Admin 对象实例 - admin = connection.getAdmin(); - }catch (IOException e){ - e.printStackTrace(); - } - System.out.println("Connect to HBase successfully!"); - } - //关闭连接 - public static void close(){ - try{ - if(admin != null){ - admin.close(); - } - if(null != connection){ - connection.close(); - } - }catch (IOException e){ - e.printStackTrace(); - } - } -} \ No newline at end of file