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()

Copyright © 2014 The Apache Software Foundation