org.apache.cassandra.tracing

Class TraceState

java.lang.Object

org.apache.cassandra.tracing.TraceState

Direct Known Subclasses:

ExpiredTraceState

public class TraceState
extends java.lang.Object

ThreadLocal state for a tracing session. The presence of an instance of this class as a ThreadLocal denotes that an operation is being traced.

Field Summary

Fields

Modifier and Type	Field and Description
java.net.InetAddress	coordinator
java.util.UUID	sessionId
java.nio.ByteBuffer	sessionIdBytes
com.google.common.base.Stopwatch	watch

Constructor Summary

Constructors

Constructor and Description
TraceState(java.net.InetAddress coordinator, java.util.UUID sessionId)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	acquireReference()
int	elapsed()
int	releaseReference()
static void	trace(java.nio.ByteBuffer sessionIdBytes, java.lang.String message, int elapsed)
void	trace(java.lang.String message)
void	trace(java.lang.String format, java.lang.Object arg)
void	trace(java.lang.String format, java.lang.Object[] args)
void	trace(java.lang.String format, java.lang.Object arg1, java.lang.Object arg2)

Methods inherited from class java.lang.Object

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

Field Detail

sessionId

public final java.util.UUID sessionId

coordinator

public final java.net.InetAddress coordinator

watch

public final com.google.common.base.Stopwatch watch

sessionIdBytes

public final java.nio.ByteBuffer sessionIdBytes

Constructor Detail

TraceState

public TraceState(java.net.InetAddress coordinator,
          java.util.UUID sessionId)

Method Detail

elapsed

public int elapsed()

trace

public void trace(java.lang.String format,
         java.lang.Object arg)

trace

public void trace(java.lang.String format,
         java.lang.Object arg1,
         java.lang.Object arg2)

trace

public void trace(java.lang.String format,
         java.lang.Object[] args)

trace

public void trace(java.lang.String message)

trace

public static void trace(java.nio.ByteBuffer sessionIdBytes,
         java.lang.String message,
         int elapsed)

acquireReference

public boolean acquireReference()

releaseReference

public int releaseReference()