java.lang.Object
- com.hivemq.extension.sdk.api.services.Services

```
public class Services
extends Object
```
Services provide a convenient way for extensions to interact with the HiveMQ core.
The following services are available:
Since:

4.0.0, CE 2019.1

Constructor Summary

Constructors
Constructor Description

Services()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static @NotNull AdminService`	`adminService()`
`static @NotNull ClientService`	`clientService()`
`static @NotNull ClusterService`	`clusterService()`
`static @NotNull EventRegistry`	`eventRegistry()`
`static @NotNull ManagedExtensionExecutorService`	`extensionExecutorService()`
`static @NotNull InitializerRegistry`	`initializerRegistry()`
`static @NotNull GlobalInterceptorRegistry`	`interceptorRegistry()`
`static @NotNull MetricRegistry`	`metricRegistry()`
`static @NotNull PublishService`	`publishService()`
`static @NotNull RetainedMessageStore`	`retainedMessageStore()`
`static @NotNull SecurityRegistry`	`securityRegistry()`
`static @NotNull SubscriptionStore`	`subscriptionStore()`

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

- Constructor Detail
  - Services
```
public Services()
```
- Method Detail
  - initializerRegistry
```
@NotNull
public static @NotNull InitializerRegistry initializerRegistry()
```
    Returns:
    
    A service to set a ClientInitializer.
    
    Since:
    
    4.0.0, CE 2019.1
  - interceptorRegistry
```
@NotNull
public static @NotNull GlobalInterceptorRegistry interceptorRegistry()
```
    Returns:
    
    A service to set a GlobalInterceptorRegistry.
    
    Since:
    
    4.2.0, CE 2020.1
  - securityRegistry
```
@NotNull
public static @NotNull SecurityRegistry securityRegistry()
```
    Returns:
    
    A service to register AuthenticatorProvider and AuthorizerProvider.
    
    Since:
    
    4.0.0, CE 2019.1
  - extensionExecutorService
```
@NotNull
public static @NotNull ManagedExtensionExecutorService extensionExecutorService()
```
    Returns:
    
    A service to execute tasks in a HiveMQ managed thread pool.
    
    Since:
    
    4.0.0, CE 2019.1
  - subscriptionStore
```
@NotNull
public static @NotNull SubscriptionStore subscriptionStore()
```
    Returns:
    
    A service to add, get and remove subscriptions.
    
    Since:
    
    4.0.0, CE 2019.1
  - publishService
```
@NotNull
public static @NotNull PublishService publishService()
```
    Returns:
    
    A service to publish messages to topics and clients.
    
    Since:
    
    4.0.0, CE 2019.1
  - clusterService
```
@NotNull
public static @NotNull ClusterService clusterService()
```
    Returns:
    
    A service to create a custom cluster discovery.
    
    Since:
    
    4.0.0, CE 2019.1
  - retainedMessageStore
```
@NotNull
public static @NotNull RetainedMessageStore retainedMessageStore()
```
    Returns:
    
    A service to add, get and remove retained messages.
    
    Since:
    
    4.0.0, CE 2019.1
  - metricRegistry
```
@NotNull
public static @NotNull MetricRegistry metricRegistry()
```
    Returns:
    
    A service to get HiveMQ metrics.
    
    Since:
    
    4.0.0, CE 2019.1
  - eventRegistry
```
@NotNull
public static @NotNull EventRegistry eventRegistry()
```
    Returns:
    
    A service to register a ClientLifecycleEventListenerProvider.
    
    Since:
    
    4.0.0, CE 2019.1
  - clientService
```
@NotNull
public static @NotNull ClientService clientService()
```
    Returns:
    
    A service to get client session information, disconnect clients and remove sessions.
    
    Since:
    
    4.0.0, CE 2019.1
  - adminService
```
@NotNull
public static @NotNull AdminService adminService()
```
    Returns:
    
    A service to get general information about the state of this HiveMQ instance.
    
    Since:
    
    4.2.0, CE 2020.1

Class Services

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Services

Method Detail

initializerRegistry

interceptorRegistry

securityRegistry

extensionExecutorService

subscriptionStore

publishService

clusterService

retainedMessageStore

metricRegistry

eventRegistry

clientService

adminService