io.opencensus.tags.unsafe

Class ContextUtils

java.lang.Object

io.opencensus.tags.unsafe.ContextUtils

public final class ContextUtils
extends Object

Utility methods for accessing the TagContext contained in the Context.

Most code should interact with the current context via the public APIs in TagContext and avoid accessing TAG_CONTEXT_KEY directly.

Since:

0.8

Field Summary

Fields

Modifier and Type	Field and Description
static io.grpc.Context.Key<TagContext>	TAG_CONTEXT_KEY Deprecated. from API since 0.21. Use withValue(Context, TagContext) and getValue(Context) instead.

Method Summary

Modifier and Type	Method and Description
static TagContext	getValue(io.grpc.Context context) Returns the value from the specified Context.
static io.grpc.Context	withValue(io.grpc.Context context, TagContext tagContext) Creates a new Context with the given value set.

Methods inherited from class java.lang.Object

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

Field Detail

TAG_CONTEXT_KEY

@Deprecated
public static final io.grpc.Context.Key<TagContext> TAG_CONTEXT_KEY

Deprecated. from API since 0.21. Use withValue(Context, TagContext) and getValue(Context) instead.

The Context.Key used to interact with the TagContext contained in the Context.

Since:

0.8

Method Detail

withValue

public static io.grpc.Context withValue(io.grpc.Context context,
                                        @Nullable
                                        TagContext tagContext)

Creates a new Context with the given value set.

Parameters:

context - the parent Context.

tagContext - the value to be set.

Returns:

a new context with the given value set.

Since:

0.21

getValue

public static TagContext getValue(io.grpc.Context context)

Returns the value from the specified Context.

Parameters:

context - the specified Context.

Returns:

the value from the specified Context.

Since:

0.21