Package io.grpc

Class ThreadLocalContextStorage

java.lang.Object

io.grpc.Context.Storage

io.grpc.ThreadLocalContextStorage

final class ThreadLocalContextStorage
extends Context.Storage

A ThreadLocal-based context storage implementation. Used by default.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final ThreadLocal<Context>	localContext	Currently bound context.
private static final Logger	log

Constructor Summary

Constructors

Constructor	Description
ThreadLocalContextStorage()

Method Summary

Modifier and Type	Method	Description
Context	current()	Implements Context.current().
void	detach(Context toDetach, Context toRestore)	Implements Context.detach(io.grpc.Context).
Context	doAttach(Context toAttach)	Implements Context.attach().

Methods inherited from class java.lang.Object

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

Field Details

log

private static final Logger log

localContext

static final ThreadLocal<Context> localContext

Currently bound context.

Constructor Details

ThreadLocalContextStorage

ThreadLocalContextStorage()

Method Details

doAttach

public Context doAttach(Context toAttach)

Description copied from class: Context.Storage

Implements Context.attach().

Caution: Context.attach() interprets a return value of null to mean the same thing as Context.ROOT.

See also: Context.Storage.current().

Specified by:

doAttach in class Context.Storage

Parameters:

toAttach - the context to be attached

Returns:

A Context that should be passed back into Context.Storage.detach(Context, Context) as the toRestore parameter. null is a valid return value, but see caution note.

detach

public void detach(Context toDetach,
 Context toRestore)

Description copied from class: Context.Storage

Implements Context.detach(io.grpc.Context).

Specified by:

detach in class Context.Storage

Parameters:

toDetach - the context to be detached. Should be, or be equivalent to, the current context of the current scope

toRestore - the context to be the current. Should be, or be equivalent to, the context of the outer scope

current

public Context current()

Description copied from class: Context.Storage

Implements Context.current().

Caution: Context interprets a return value of null to mean the same thing as Context.ROOT.

See also Context.Storage.doAttach(Context).

Specified by:

current in class Context.Storage

Returns:

The context of the current scope. null is a valid return value, but see caution note.