org.apache.cassandra.concurrent

Class ExecutorLocals

java.lang.Object

org.apache.cassandra.concurrent.ExecutorLocals

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, WithResources

public class ExecutorLocals
extends java.lang.Object
implements WithResources, Closeable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExecutorLocals.Impl

Nested classes/interfaces inherited from interface org.apache.cassandra.utils.WithResources

WithResources.None

Field Summary

Fields

Modifier and Type	Field and Description
ClientWarn.State	clientWarnState
TraceState	traceState

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ExecutorLocals(TraceState traceState, ClientWarn.State clientWarnState)

Method Summary

Modifier and Type	Method and Description
static void	clear()
void	close()
static ExecutorLocals	create(TraceState traceState)
static ExecutorLocals	current()
Closeable	get() Overwrite current locals, and return the previous ones
static WithResources	propagate() The current()Locals, if any; otherwise WithResources.none().

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.utils.WithResources

and, and, isNoOp, none

Field Detail

traceState

public final TraceState traceState

clientWarnState

public final ClientWarn.State clientWarnState

Constructor Detail

ExecutorLocals

protected ExecutorLocals(TraceState traceState,
                         ClientWarn.State clientWarnState)

Method Detail

current

public static ExecutorLocals current()

Returns:

an ExecutorLocals object which has the current trace state and client warn state.

propagate

public static WithResources propagate()

The current()Locals, if any; otherwise WithResources.none(). Used to propagate current to other executors as a WithResources.

create

public static ExecutorLocals create(TraceState traceState)

clear

public static void clear()

get

public Closeable get()

Overwrite current locals, and return the previous ones

Specified by:

get in interface WithResources

Returns:

an object that closes any instantiated resources

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable