AzToRegionMapper (eureka-client 2.0.5 API)

All Known Implementing Classes:

AbstractAzToRegionMapper, DNSBasedAzToRegionMapper, PropertyBasedAzToRegionMapper
```
public interface AzToRegionMapper
```
An interface that contains a contract of mapping availability zone to region mapping. An implementation will always know before hand which zone to region mapping will be queried from the mapper, this will aid caching of this information before hand.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getRegionForAvailabilityZone(java.lang.String availabilityZone)`	Returns the region for the passed availability zone.
`void`	`refreshMapping()`	Updates the mappings it has if they depend on an external source.
`void`	`setRegionsToFetch(java.lang.String[] regionsToFetch)`	Update the regions that this mapper knows about.

- Method Detail
  - getRegionForAvailabilityZone
```
java.lang.String getRegionForAvailabilityZone(java.lang.String availabilityZone)
```
    Returns the region for the passed availability zone.
    
    Parameters:
    
    availabilityZone - Availability zone for which the region is to be retrieved.
    
    Returns:
    
    The region for the passed zone.
  - setRegionsToFetch
```
void setRegionsToFetch(java.lang.String[] regionsToFetch)
```
    Update the regions that this mapper knows about.
    
    Parameters:
    
    regionsToFetch - Regions to fetch. This should be the super set of all regions that this mapper should know.
  - refreshMapping
```
void refreshMapping()
```
    Updates the mappings it has if they depend on an external source.