HealthIndicatorRegistry (Spring Boot API)

All Known Implementing Classes:
DefaultHealthIndicatorRegistry
```
public interface HealthIndicatorRegistry
```
A registry of HealthIndicators.
Implementations must be thread-safe.
Since:
2.1.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`HealthIndicator`	`get(String name)`	Returns the `HealthIndicator` registered with the given `name`.
`Map<String,HealthIndicator>`	`getAll()`	Returns a snapshot of the registered health indicators and their names.
`void`	`register(String name, HealthIndicator healthIndicator)`	Registers the given `HealthIndicator`, associating it with the given `name`.
`HealthIndicator`	`unregister(String name)`	Unregisters the `HealthIndicator` previously registered with the given `name`.

- Method Detail
  - register
```
void register(String name,
              HealthIndicator healthIndicator)
```
    Registers the given HealthIndicator, associating it with the given name.
    Parameters:
    name - the name of the indicator
    healthIndicator - the indicator
    Throws:
    IllegalStateException - if an indicator with the given name is already registered.
  - unregister
```
HealthIndicator unregister(String name)
```
    Unregisters the HealthIndicator previously registered with the given name.
    Parameters:
    name - the name of the indicator
    Returns:
    the unregistered indicator, or null if no indicator was found in the registry for the given name.
  - get
```
HealthIndicator get(String name)
```
    Returns the HealthIndicator registered with the given name.
    Parameters:
    name - the name of the indicator
    Returns:
    the health indicator, or null if no indicator was registered with the given name.
  - getAll
```
Map<String,HealthIndicator> getAll()
```
    Returns a snapshot of the registered health indicators and their names. The contents of the map do not reflect subsequent changes to the registry.
    Returns:
    the snapshot of registered health indicators