Java tutorial
/** * Copyright 2012 Sentric AG * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ch.sentric.hbase.coprocessor; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.hbase.Coprocessor; 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.util.Bytes; /** * */ public class LoadWithTableDescriptorExample { public static void main(String[] args) throws IOException { Configuration conf = HBaseConfiguration.create(); FileSystem fs = FileSystem.get(conf); Path path = new Path(fs.getUri() + Path.SEPARATOR + "coprocessor-1.0-SNAPSHOT.jar"); HTableDescriptor htd = new HTableDescriptor("testtable"); htd.addFamily(new HColumnDescriptor("colfam1")); htd.setValue("COPROCESSOR$1", path.toString() + "|" + ProspectiveSearchRegionObserver.class.getCanonicalName() + "|" + Coprocessor.PRIORITY_USER); HBaseAdmin admin = new HBaseAdmin(conf); admin.createTable(htd); System.out.println(admin.getTableDescriptor(Bytes.toBytes("testtable"))); } }