MapPropagationFields (Brave 5.6.6 API)

java.lang.Object
- brave.internal.PropagationFields
- - brave.internal.MapPropagationFields

```
public class MapPropagationFields
extends PropagationFields
```
Copy-on-write keeps propagation changes in a child context from affecting its parent

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`MapPropagationFields()`
`protected`	`MapPropagationFields(MapPropagationFields parent)`
`protected`	`MapPropagationFields(java.util.Map<java.lang.String,java.lang.String> parent)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object o)`
`java.lang.String`	`get(java.lang.String name)`	Returns the value of the field with the specified key or null if not available
`int`	`hashCode()`
`void`	`put(java.lang.String name, java.lang.String value)`	Replaces the value of the field with the specified key, ignoring if not a permitted field
`protected void`	`putAllIfAbsent(PropagationFields parent)`
`java.util.Map<java.lang.String,java.lang.String>`	`toMap()`

Methods inherited from class brave.internal.PropagationFields
get, put, toString

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

- Constructor Detail
  - MapPropagationFields
```
protected MapPropagationFields()
```
  - MapPropagationFields
```
protected MapPropagationFields(java.util.Map<java.lang.String,java.lang.String> parent)
```
  - MapPropagationFields
```
protected MapPropagationFields(MapPropagationFields parent)
```
- Method Detail
  - get
```
public java.lang.String get(java.lang.String name)
```
    Description copied from class: PropagationFields
    
    Returns the value of the field with the specified key or null if not available
    
    Specified by:
    
    get in class PropagationFields
  - put
```
public final void put(java.lang.String name,
                      java.lang.String value)
```
    Description copied from class: PropagationFields
    
    Replaces the value of the field with the specified key, ignoring if not a permitted field
    
    Specified by:
    
    put in class PropagationFields
  - putAllIfAbsent
```
protected final void putAllIfAbsent(PropagationFields parent)
```
  - toMap
```
public final java.util.Map<java.lang.String,java.lang.String> toMap()
```
    Specified by:
    
    toMap in class PropagationFields
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object