Tag (MicroProfile Metrics API)

java.lang.Object
- org.eclipse.microprofile.metrics.Tag

```
public class Tag
extends Object
```
Tag represents a singular metric tag key and value pair. The Tag contains:
- TagName: (Required) The name of the tag. Must match the regex [a-zA-Z_][a-zA-Z0-9_]*.
- TagValue: (Required) The value of the tag.

Constructor Summary

Constructors
Constructor Description

Tag(String tagName, String tagValue)
Constructs the Tag object with the given tag name and tag value

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`String`	`getTagName()`
`String`	`getTagValue()`
`int`	`hashCode()`
`String`	`toString()`

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

- Constructor Detail
  - Tag
```
public Tag(String tagName,
           String tagValue)
    throws IllegalArgumentException
```
    Constructs the Tag object with the given tag name and tag value
    
    Parameters:
    
    tagName - The tag name, must match the regex [a-zA-Z_][a-zA-Z0-9_]*.
    
    tagValue - The tag value
    
    Throws:
    
    IllegalArgumentException - If the tagName does not match [a-zA-Z_][a-zA-Z0-9_]*
- Method Detail
  - getTagName
```
public String getTagName()
```
    Returns:
    
    the tagName
  - getTagValue
```
public String getTagValue()
```
    Returns:
    
    the tagValue
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object