org.htrace
Class Tracer

java.lang.Object
  org.htrace.Tracer

public class Tracer
extends Object

A Tracer provides the implementation for collecting and distributing Spans within a process.

Field Summary

static TraceInfo	DONT_TRACE
static org.apache.commons.logging.Log	LOG
protected static String	processId

Constructor Summary

Tracer()

Method Summary

protected void	addReceiver(SpanReceiver receiver)
TraceScope	continueSpan(Span s)
protected Span	createNew(String description)
protected Span	currentSpan()
void	deliver(Span span)
static Tracer	getInstance()
protected boolean	isTracing()
protected int	numReceivers()
protected void	removeReceiver(SpanReceiver receiver)
protected Span	setCurrentSpan(Span span)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

DONT_TRACE

public static final TraceInfo DONT_TRACE

processId

protected static String processId

Constructor Detail

Tracer

public Tracer()

Method Detail

getInstance

public static Tracer getInstance()

createNew

protected Span createNew(String description)

isTracing

protected boolean isTracing()

currentSpan

protected Span currentSpan()

deliver

public void deliver(Span span)

addReceiver

protected void addReceiver(SpanReceiver receiver)

removeReceiver

protected void removeReceiver(SpanReceiver receiver)

setCurrentSpan

protected Span setCurrentSpan(Span span)

continueSpan

public TraceScope continueSpan(Span s)

numReceivers

protected int numReceivers()