Tracestate.Builder

java.lang.Object
- io.opencensus.trace.Tracestate.Builder

Enclosing class:: Tracestate

@ExperimentalApi
public static final class Tracestate.Builder
extends java.lang.Object

Builder class for MessageEvent.

Since:: 0.16

Field Summary

Fields
Modifier and Type Field Description

private static Tracestate EMPTY

private java.util.ArrayList<Tracestate.Entry> entries

private Tracestate parent

Constructor Summary

Constructors
Modifier Constructor Description

private Builder(Tracestate parent)

Method Summary

All Methods Instance Methods Concrete Methods
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(java.lang.String key)`	Removes the `Entry` that has the given `key` if it is present.
`Tracestate.Builder`	`set(java.lang.String key, java.lang.String value)`	Adds or updates the `Entry` that has the given `key` if it is present.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - parent
```
private final Tracestate parent
```
  - entries
```
@Nullable
private java.util.ArrayList<Tracestate.Entry> entries
```
  - EMPTY
```
private static final Tracestate EMPTY
```
- Constructor Detail
  - Builder
```
private Builder(Tracestate parent)
```
- Method Detail
  - set
```
public Tracestate.Builder set(java.lang.String key,
                              java.lang.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(java.lang.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