org.apache.accumulo.tracer

Class ZooTraceClient

java.lang.Object

org.apache.accumulo.tracer.AsyncSpanReceiver<String,SpanReceiver.Client>

org.apache.accumulo.tracer.SendSpansViaThrift

org.apache.accumulo.tracer.ZooTraceClient

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.htrace.SpanReceiver, org.apache.zookeeper.Watcher

public class ZooTraceClient
extends SendSpansViaThrift
implements org.apache.zookeeper.Watcher

Find a Span collector via zookeeper and push spans there via Thrift RPC

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.zookeeper.Watcher

org.apache.zookeeper.Watcher.Event

Field Summary

Fields inherited from class org.apache.accumulo.tracer.AsyncSpanReceiver

host, QUEUE_SIZE, SEND_TIMER_MILLIS, sendQueue, service

Constructor Summary

Constructors

Constructor and Description
ZooTraceClient(org.apache.htrace.HTraceConfiguration conf)

Method Summary

Methods

Modifier and Type	Method and Description
protected String	getSpanKey(Map<String,String> data)
void	process(org.apache.zookeeper.WatchedEvent event)
protected void	sendSpans()
protected void	setInitialTraceHosts()
protected void	setRetryPause(long pause)
protected void	updateHostsFromZooKeeper()

Methods inherited from class org.apache.accumulo.tracer.SendSpansViaThrift

createDestination, send

Methods inherited from class org.apache.accumulo.tracer.AsyncSpanReceiver

close, convertToAnnotations, convertToStrings, receiveSpan

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZooTraceClient

public ZooTraceClient(org.apache.htrace.HTraceConfiguration conf)

Method Detail

setRetryPause

protected void setRetryPause(long pause)

getSpanKey

protected String getSpanKey(Map<String,String> data)

Overrides:

getSpanKey in class SendSpansViaThrift

process

public void process(org.apache.zookeeper.WatchedEvent event)

Specified by:

process in interface org.apache.zookeeper.Watcher

setInitialTraceHosts

protected void setInitialTraceHosts()

updateHostsFromZooKeeper

protected void updateHostsFromZooKeeper()
                                 throws org.apache.zookeeper.KeeperException,
                                        InterruptedException

Throws:

org.apache.zookeeper.KeeperException

InterruptedException

sendSpans

protected void sendSpans()

Overrides:

sendSpans in class AsyncSpanReceiver<String,SpanReceiver.Client>