HBase rest 和thrift java例子-优快云博客

发布一个k8s部署视频：https://edu.youkuaiyun.com/course/detail/26967

课程内容：各种k8s部署方式。包括minikube部署，kubeadm部署，kubeasz部署，rancher部署，k3s部署。包括开发测试环境部署k8s，和生产环境部署k8s。

腾讯课堂连接地址https://ke.qq.com/course/478827?taid=4373109931462251&tuin=ba64518

第二个视频发布 https://edu.youkuaiyun.com/course/detail/27109

腾讯课堂连接地址https://ke.qq.com/course/484107?tuin=ba64518

介绍主要的k8s资源的使用配置和命令。包括configmap，pod，service，replicaset，namespace，deployment，daemonset，ingress，pv，pvc，sc，role，rolebinding，clusterrole，clusterrolebinding，secret，serviceaccount，statefulset，job，cronjob，podDisruptionbudget，podSecurityPolicy,networkPolicy,resourceQuota，limitrange，endpoint，event，conponentstatus，node，apiservice，controllerRevision等。

第三个视频发布：https://edu.youkuaiyun.com/course/detail/27574

详细介绍helm命令，学习helm chart语法，编写helm chart。深入分析各项目源码，学习编写helm插件
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package example2;

import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.rest.client.Client;
import org.apache.hadoop.hbase.rest.client.Cluster;
import org.apache.hadoop.hbase.rest.client.RemoteHTable;
import org.apache.hadoop.hbase.util.Bytes;

//Administrator
public class RestExample {

	/**
	 * @param args
	 */
	public static void main(String[] args)throws Exception {
		Cluster cluster=new Cluster();
		cluster.add("master", 8080);
		Client client=new Client(cluster);
		RemoteHTable table=new RemoteHTable(client, "testtable");
		Get get=new Get(Bytes.toBytes("row6"));
		get.addColumn(Bytes.toBytes("family1"), Bytes.toBytes("column6"));
		Result result=table.get(get);
		System.out.println(result);
		table.close();

	}

}

产生java thrift代码thrift -gen java -out ./ Hbase.thrift

package example2;

import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.hadoop.hbase.thrift.generated.ColumnDescriptor;
import org.apache.hadoop.hbase.thrift.generated.Hbase;
import org.apache.hadoop.hbase.thrift.generated.TCell;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;

//Administrator
public class ThriftExample {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		TTransport transport = new TSocket("master", 9090);
		TProtocol protocol = new TBinaryProtocol(transport, true, true);
		Hbase.Client client = new Hbase.Client(protocol);
		transport.open();

		System.out.println("scanning tables...");
		for (ByteBuffer name : client.getTableNames()) {
			System.out.println("  found: " + utf8(name.array()));
		}
		
		Map<ByteBuffer, ColumnDescriptor>colDesc= client.getColumnDescriptors(ByteBuffer.wrap(bytes("testtable")));
		for(Entry<ByteBuffer, ColumnDescriptor>desc:colDesc.entrySet()){
			System.out.println(utf8(desc.getKey().array()));
			System.out.println(desc.getValue());
		}
		List<TCell>cellList=client.getRowOrBefore(ByteBuffer.wrap(bytes("testtable")), ByteBuffer.wrap(bytes("row6")), ByteBuffer.wrap(bytes("family1")));
		for(TCell cell:cellList){
			System.out.println(utf8(cell.getValue()));
		}
		
		List<ColumnDescriptor> colDescList=new ArrayList<ColumnDescriptor>();
		ColumnDescriptor desc=new ColumnDescriptor();
		desc.setName(Bytes.toBytes("family1"));
		colDescList.add(desc);
		//client.createTable(ByteBuffer.wrap(bytes("testthrift")), colDescList);
		//client.disableTable(ByteBuffer.wrap(Bytes.toBytes("testthrift")));
		//client.deleteTable(ByteBuffer.wrap(Bytes.toBytes("testthrift")));
		
		
	}

	private static String utf8(byte[] buf) {
		try {
			CharsetDecoder decoder = Charset.forName("UTF-8").newDecoder();
			;
			return decoder.decode(ByteBuffer.wrap(buf)).toString();
		} catch (CharacterCodingException e) {
			return "[INVALID UTF-8]";
		}
	}

	private static byte[] bytes(String s) {
		try {
			return s.getBytes("UTF-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
			return null;
		}
	}

}