io.opentelemetry.correlationcontext

Class EmptyCorrelationContext

java.lang.Object

io.opentelemetry.correlationcontext.EmptyCorrelationContext

All Implemented Interfaces:

CorrelationContext

@Immutable
public class EmptyCorrelationContext
extends Object
implements CorrelationContext

An immutable implementation of the CorrelationContext that does not contain any entries.

Nested Class Summary

Nested classes/interfaces inherited from interface io.opentelemetry.correlationcontext.CorrelationContext

CorrelationContext.Builder

Method Summary

Modifier and Type	Method and Description
Collection<Entry>	getEntries() Returns an immutable collection of the entries in this CorrelationContext.
String	getEntryValue(String entryKey) Returns the String associated with the given key.
static CorrelationContext	getInstance() Returns the single instance of the EmptyCorrelationContext class.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static CorrelationContext getInstance()

Returns the single instance of the EmptyCorrelationContext class.

Returns:

the single instance of the EmptyCorrelationContext class.

Since:

0.1.0

getEntries

public Collection<Entry> getEntries()

Description copied from interface: CorrelationContext

Returns an immutable collection of the entries in this CorrelationContext. Order of entries is not guaranteed.

Specified by:

getEntries in interface CorrelationContext

Returns:

an immutable collection of the entries in this CorrelationContext.

getEntryValue

@Nullable
public String getEntryValue(String entryKey)

Description copied from interface: CorrelationContext

Returns the String associated with the given key.

Specified by:

getEntryValue in interface CorrelationContext

Parameters:

entryKey - entry key to return the value for.

Returns:

the value associated with the given key, or null if no Entry with the given entryKey is in this CorrelationContext.