标签:Flume flume 自定义 agent catch sink import apache org
package me;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.flume.Channel;
import org.apache.flume.Context;
import org.apache.flume.Event;
import org.apache.flume.EventDeliveryException;
import org.apache.flume.Transaction;
import org.apache.flume.conf.Configurable;
import org.apache.flume.sink.AbstractSink;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MySinks extends AbstractSink implements Configurable {
private static final Logger logger = LoggerFactory.getLogger(MySink.class);
private static final String PROP_KEY_ROOTPATH = "fileName";
private String fileName;
@Override
public void configure(Context context) {
// TODO Auto-generated method stub
fileName = context.getString(PROP_KEY_ROOTPATH);
}
@Override
public Status process() throws EventDeliveryException {
// TODO Auto-generated method stub
Channel ch = getChannel();
Transaction txn = ch.getTransaction();
Event event =null;
txn.begin();
while(true){
event = ch.take();
if (event!=null) {
break;
}
}
try {
logger.debug("Get event.");
String body = new String(event.getBody());
System.out.println("event.getBody()-----" + body);
String res = body + ":" + System.currentTimeMillis() + "\r\n";
File file = new File(fileName);
FileOutputStream fos = null;
try {
fos = new FileOutputStream(file, true);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
fos.write(res.getBytes());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
fos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
txn.commit();
return Status.READY;
} catch (Throwable th) {
txn.rollback();
if (th instanceof Error) {
throw (Error) th;
} else {
throw new EventDeliveryException(th);
}
} finally {
txn.close();
}
}
}
agent.sources = r1
agent.sinks = k1
agent.channels = c1
# Describe/configure the source
agent.sources.r1.type = netcat
agent.sources.r1.bind = localhost
agent.sources.r1.port = 5678
agent.sources.r1.channels = c1
# Describe the sink
agent.sinks.k1.type = me.MySinks
agent.sinks.k1.fileName=/Users/lihu/Desktop/crawla/mysinks.txt
# Use a channel which buffers events in memory
agent.channels.c1.type = memory
agent.channels.c1.capacity = 1000
agent.channels.c1.transactionCapacity = 100
# Bind the source and sink to the channel
agent.sources.r1.channels = c1
agent.sinks.k1.channel = c1
标签:Flume,flume,自定义,agent,catch,sink,import,apache,org 来源: https://blog.csdn.net/weixin_42615385/article/details/89739795
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