io.opentelemetry.baggage

Class EmptyBaggage

java.lang.Object

io.opentelemetry.baggage.EmptyBaggage

All Implemented Interfaces:

Baggage

@Immutable
public class EmptyBaggage
extends Object
implements Baggage

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

Nested Class Summary

Nested classes/interfaces inherited from interface io.opentelemetry.baggage.Baggage

Baggage.Builder

Method Summary

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

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Baggage getInstance()

Returns the single instance of the EmptyBaggage class.

Returns:

the single instance of the EmptyBaggage class.

Since:

0.9.0

getEntries

public Collection<Entry> getEntries()

Description copied from interface: Baggage

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

Specified by:

getEntries in interface Baggage

Returns:

an immutable collection of the entries in this Baggage.

getEntryValue

@Nullable
public String getEntryValue(String entryKey)

Description copied from interface: Baggage

Returns the String associated with the given key.

Specified by:

getEntryValue in interface Baggage

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 Baggage.