Class Tracestate.Builder

java.lang.Object

io.opencensus.trace.Tracestate.Builder

Enclosing class:

Tracestate

@ExperimentalApi
public static final class Tracestate.Builder
extends Object

Builder class for MessageEvent.

Since:

0.16

Field Summary

Fields

Modifier and Type	Field	Description
private static final Tracestate	EMPTY
private ArrayList<Tracestate.Entry>	entries
private final Tracestate	parent

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Builder(Tracestate parent)

Method Summary

Modifier and Type	Method	Description
Tracestate	build()	Builds a TraceState by adding the entries to the parent in front of the key-value pairs list and removing duplicate entries.
Tracestate.Builder	remove(String key)	Removes the Entry that has the given key if it is present.
Tracestate.Builder	set(String key, String value)	Adds or updates the Entry that has the given key if it is present.

Methods inherited from class Object

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

Field Details

parent

private final Tracestate parent

entries

@Nullable
private ArrayList<Tracestate.Entry> entries

EMPTY

private static final Tracestate EMPTY

Constructor Details

Builder

private Builder(Tracestate parent)

Method Details

set

public Tracestate.Builder set(String key,
 String value)

Adds or updates the Entry that has the given key if it is present. The new Entry will always be added in the front of the list of entries.

Parameters:

key - the key for the Entry to be added.

value - the value for the Entry to be added.

Returns:

this.

Since:

0.16

remove

public Tracestate.Builder remove(String key)

Removes the Entry that has the given key if it is present.

Parameters:

key - the key for the Entry to be removed.

Returns:

this.

Since:

0.16

build

public Tracestate build()

Builds a TraceState by adding the entries to the parent in front of the key-value pairs list and removing duplicate entries.

Returns:

a TraceState with the new entries.

Since:

0.16