Created
April 21, 2015 15:02
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HBase Java API test
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| package hbase; | |
| import java.io.IOException; | |
| 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.client.HBaseAdmin; | |
| import org.apache.hadoop.hbase.client.HTable; | |
| import org.apache.hadoop.hbase.client.Put; | |
| import org.apache.hadoop.hbase.util.Bytes; | |
| public class HbaseConnector { | |
| public static void main(String[] args) throws IOException{ | |
| Configuration config = HBaseConfiguration.create(); | |
| HBaseAdmin admin = new HBaseAdmin(config); | |
| HTableDescriptor htd = new HTableDescriptor("users"); | |
| htd.addFamily(new HColumnDescriptor("csv")); | |
| admin.createTable(htd); | |
| String[][] users = { | |
| { "user1", "address1", "user1@mydomain.com"}, | |
| { "user2", "address2", "user2@mydomain.com"}, | |
| { "user3", "address3", "user3@mydomain.com"}, | |
| { "user4", "address4", "user4@mydomain.com"}, | |
| { "user5", "address5", "user5@mydomain.com"}, | |
| { "user6", "address6", "user6@mydomain.com"} }; | |
| HTable table = new HTable(config, "users"); | |
| for (int i = 0; i< users.length; i++) { | |
| Put user = new Put(Bytes.toBytes(users[i][0])); | |
| user.add(Bytes.toBytes("name"), Bytes.toBytes("first"), Bytes.toBytes(users[i][0])); | |
| user.add(Bytes.toBytes("address"), Bytes.toBytes("address"), Bytes.toBytes(users[i][1])); | |
| user.add(Bytes.toBytes("email"), Bytes.toBytes("email"), Bytes.toBytes(users[i][2])); | |
| table.put(user); | |
| } | |
| table.flushCommits(); | |
| table.close(); | |
| } | |
| } |
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