PiMatchFieldModel (ONOS Java API (2.7.0))

```
@Beta
public interface PiMatchFieldModel
```
Model of a table match field in a protocol-independent pipeline.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`bitWidth()`	Returns the number of bits matched by this field.
`boolean`	`hasBitWidth()`	Return true is the match field has a predefined bit width.
`PiMatchFieldId`	`id()`	Returns the ID of this match field.
`PiMatchType`	`matchType()`	Returns the type of match applied to this field.

- Method Detail
  - id
```
PiMatchFieldId id()
```
    Returns the ID of this match field.
    
    Returns:
    
    match field ID
  - bitWidth
```
int bitWidth()
```
    Returns the number of bits matched by this field. It returns -1 if the bit width of the match field is not predefined.
    
    Returns:
    
    number of bits, -1 in case it is not predefined
  - hasBitWidth
```
boolean hasBitWidth()
```
    Return true is the match field has a predefined bit width. It returns false if it can have arbitrary bit width.
    
    Returns:
    
    True if the match field has predefined bit width, false otherwise
  - matchType
```
PiMatchType matchType()
```
    Returns the type of match applied to this field.
    
    Returns:
    
    a match type