java FlumeRpcClientDemo

package com.sxt.flume;

import org.apache.flume.Event;
import org.apache.flume.EventDeliveryException;
import org.apache.flume.api.RpcClient;
import org.apache.flume.api.RpcClientFactory;
import org.apache.flume.event.EventBuilder;
import java.nio.charset.Charset;

/**
* Flume官网案例
* http://flume.apache.org/FlumeDeveloperGuide.html
* @author root
*/
public class RpcClientDemo {

public static void main(String[] args) {
MyRpcClientFacade client = new MyRpcClientFacade();
// Initialize client with the remote Flume agent's host and port
client.init("node1", 41414);

// Send 10 events to the remote Flume agent. That agent should be
// configured to listen with an AvroSource.
for (int i = 10; i < 20; i++) {
String sampleData = "Hello Flume!ERROR" + i;
client.sendDataToFlume(sampleData);
System.out.println("发送数据:" + sampleData);
}

client.cleanUp();
}
}

class MyRpcClientFacade {
private RpcClient client;
private String hostname;
private int port;

public void init(String hostname, int port) {
// Setup the RPC connection
this.hostname = hostname;
this.port = port;
this.client = RpcClientFactory.getDefaultInstance(hostname, port);
// Use the following method to create a thrift client (instead of the
// above line):
// this.client = RpcClientFactory.getThriftInstance(hostname, port);
}

public void sendDataToFlume(String data) {
// Create a Flume Event object that encapsulates the sample data
Event event = EventBuilder.withBody(data, Charset.forName("UTF-8"));

// Send the event
try {
client.append(event);
} catch (EventDeliveryException e) {
// clean up and recreate the client
client.close();
client = null;
client = RpcClientFactory.getDefaultInstance(hostname, port);
// Use the following method to create a thrift client (instead of
// the above line):
// this.client = RpcClientFactory.getThriftInstance(hostname, port);
}
}

public void cleanUp() {
// Close the RPC connection
client.close();
}
}

posted @ 2018-07-05 19:07  uuhh  阅读(517)  评论(0)    收藏  举报