DiscoveryClient (AWS IoT Device SDK Java V2)

java.lang.Object
- software.amazon.awssdk.iot.discovery.DiscoveryClient

All Implemented Interfaces:

AutoCloseable
```
public class DiscoveryClient
extends Object
implements AutoCloseable
```
Class for performing network-based discovery of the connectivity properties of registered greengrass cores associated with an AWS account and region.

Field Summary

Fields
Modifier and Type Field Description

static String TLS_EXT_ALPN

Constructor Summary

Constructors
Constructor Description

DiscoveryClient(DiscoveryClientConfig config)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`CompletableFuture<DiscoverResponse>`	`discover(String thingName)`	Based on configuration, make an http request to query connectivity information about available Greengrass cores

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

- Field Detail
  - TLS_EXT_ALPN
```
public static final String TLS_EXT_ALPN
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - DiscoveryClient
```
public DiscoveryClient(DiscoveryClientConfig config)
```
    Parameters:
    
    config - Greengrass discovery client configuration
- Method Detail
  - discover
```
public CompletableFuture<DiscoverResponse> discover(String thingName)
```
    Based on configuration, make an http request to query connectivity information about available Greengrass cores
    
    Parameters:
    
    thingName - name of the thing/device making the greengrass core query
    
    Returns:
    
    future holding connectivity information about greengrass cores available to the device/thing
  - close
```
public void close()
```
    Specified by:
    
    close in interface AutoCloseable