TagContext

java.lang.Object
- io.opencensus.tags.TagContext

Direct Known Subclasses:

ContextUtils.EmptyTagContext, NoopTags.NoopTagContext, TagMapImpl
```
@Immutable
public abstract class TagContext
extends java.lang.Object
```
A map from TagKey to TagValue that can be used to label anything that is associated with a specific operation.
For example, TagContexts can be used to label stats, log messages, or debugging information.

Since:

0.8

Constructor Summary

Constructors
Constructor Description

TagContext()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object other)`	Returns true iff the other object is an instance of `TagContext` and contains the same key-value pairs.
`protected abstract java.util.Iterator<Tag>`	`getIterator()`	Returns an iterator over the tags in this `TagContext`.
`int`	`hashCode()`
`java.lang.String`	`toString()`

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

- Constructor Detail
  - TagContext
```
public TagContext()
```
- Method Detail
  - getIterator
```
protected abstract java.util.Iterator<Tag> getIterator()
```
    Returns an iterator over the tags in this TagContext.
    
    Returns:
    
    an iterator over the tags in this TagContext.
    
    Since:
    
    0.8
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - equals
```
public boolean equals(@Nullable
                      java.lang.Object other)
```
    Returns true iff the other object is an instance of TagContext and contains the same key-value pairs. Implementations are free to override this method to provide better performance.
    
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public final int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object