IInterfaceInstanceCacheKeyProvider

```
@StableMinor(version="17.0",
             sinceVersion="7.0")
public interface IInterfaceInstanceCacheKeyProvider
```
This interface represents the cache key provider for customized cache keys. The classes that implement this interface should have a no-argument public constructor for the portal to instantiate it. This class should generate a consistent key that will correctly identify an entry as it's cached and when it's retrieved. This class MUST be stateless and thread-safe.

Since:

7.0.0

Version:

$Revision$ $Date$

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getCacheKey(IServiceInterfaceRenderRequest request)`	Generates the cache key for a specific `ServiceInterfaceInstanceConfig`.

- Method Detail
  - getCacheKey
```
java.lang.String getCacheKey(IServiceInterfaceRenderRequest request)
                      throws PortalException
```
    Generates the cache key for a specific ServiceInterfaceInstanceConfig.
    
    Parameters:
    
    request - IServiceInterfaceRequest in which to generate the cache key from.
    
    Returns:
    
    a string that will be used as key for caching the rendered serviceInterfaceInstance.
    
    Throws:
    
    PortalException
    
    Since:
    
    7.0.0