MqttProperties (Netty API Reference (4.2.0.Final))

java.lang.Object
- io.netty.handler.codec.mqtt.MqttProperties

public final class MqttProperties
extends java.lang.Object

MQTT Properties container

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`MqttProperties.BinaryProperty`
`static class`	`MqttProperties.IntegerProperty`
`static class`	`MqttProperties.MqttProperty<T>`	MQTT property base class
`static class`	`MqttProperties.MqttPropertyType`
`static class`	`MqttProperties.StringPair`
`static class`	`MqttProperties.StringProperty`
`static class`	`MqttProperties.UserProperties`
`static class`	`MqttProperties.UserProperty`

Field Summary

Fields
Modifier and Type Field Description

static MqttProperties NO_PROPERTIES

Constructor Summary

Constructors
Constructor Description

MqttProperties()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(MqttProperties.MqttProperty property)`
`java.util.List<? extends MqttProperties.MqttProperty>`	`getProperties(int propertyId)`	Get properties by ID.
`MqttProperties.MqttProperty`	`getProperty(int propertyId)`	Get property by ID.
`boolean`	`isEmpty()`
`java.util.Collection<? extends MqttProperties.MqttProperty>`	`listAll()`

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

- Field Detail
  - NO_PROPERTIES
```
public static final MqttProperties NO_PROPERTIES
```
- Constructor Detail
  - MqttProperties
```
public MqttProperties()
```
- Method Detail
  - add
```
public void add(MqttProperties.MqttProperty property)
```
  - listAll
```
public java.util.Collection<? extends MqttProperties.MqttProperty> listAll()
```
  - isEmpty
```
public boolean isEmpty()
```
  - getProperty
```
public MqttProperties.MqttProperty getProperty(int propertyId)
```
    Get property by ID. If there are multiple properties of this type (can be with Subscription ID) then return the first one.
    
    Parameters:
    
    propertyId - ID of the property
    
    Returns:
    
    a property if it is set, null otherwise
  - getProperties
```
public java.util.List<? extends MqttProperties.MqttProperty> getProperties(int propertyId)
```
    Get properties by ID. Some properties (Subscription ID and User Properties) may occur multiple times, this method returns all their values in order.
    
    Parameters:
    
    propertyId - ID of the property
    
    Returns:
    
    all properties having specified ID