ConfigHandle (config 7.515.19 API)

java.lang.Object
- com.yahoo.config.subscription.ConfigHandle<T>

Type Parameters:

T - the type of the config

Direct Known Subclasses:

GenericConfigHandle
```
public class ConfigHandle<T extends com.yahoo.config.ConfigInstance>
extends Object
```
A config handle represents one config in the context of one active subscription on a ConfigSubscriber. It will contain meta data of the subscription of that particular config, as well as access to the ConfigInstance itself.

Author:

vegardh

Constructor Summary

Constructors
Modifier Constructor Description

protected ConfigHandle(ConfigSubscription<T> sub)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`T`	`getConfig()`	The config of this handle
`boolean`	`isChanged()`	Returns true if: The config generation for the `ConfigSubscriber` that produced this is the first one in its life cycle.
`String`	`toString()`

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

- Constructor Detail
  - ConfigHandle
```
protected ConfigHandle(ConfigSubscription<T> sub)
```
- Method Detail
  - isChanged
```
public boolean isChanged()
```
    Returns true if: The config generation for the ConfigSubscriber that produced this is the first one in its life cycle. (Typically first time config.) or All configs for the subscriber have a new generation since the last time nextConfig() was called AND it's the same generation AND there is a change in this handle's config. (Typically calls for a reconfig.)
    
    Returns:
    
    there is a new config
  - getConfig
```
public T getConfig()
```
    The config of this handle
    
    Returns:
    
    the config that this handle holds
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object