QualityOfServiceUtils (ActiveMQ 5.17.0 API)

java.lang.Object
- org.apache.activemq.transport.tcp.QualityOfServiceUtils

```
public class QualityOfServiceUtils
extends Object
```
Utilities for determining the values for the bits in the headers of the outgoing TCP/IP packets that indicate Traffic Class for use in Quality of Service forwarding policies.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  QualityOfServiceUtils()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static int getDSCP(String value)
  
  static int getToS(int value)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - QualityOfServiceUtils
```
public QualityOfServiceUtils()
```
- Method Detail
  - getDSCP
```
public static int getDSCP(String value)
                   throws IllegalArgumentException
```
    Parameters:
    
    value - A potential value to be used for Differentiated Services.
    
    Returns:
    
    The corresponding Differentiated Services Code Point (DSCP).
    
    Throws:
    
    IllegalArgumentException - if the value does not correspond to a Differentiated Services Code Point or setting the DSCP is not supported.
  - getToS
```
public static int getToS(int value)
                  throws IllegalArgumentException
```
    Parameters:
    
    value - A potential value to be used for Type of Service.
    
    Returns:
    
    A valid value that can be used to set the Type of Service in the packet headers.
    
    Throws:
    
    IllegalArgumentException - if the value is not a legal Type of Service value.