@InterfaceAudience.Public
 @InterfaceStability.Stable
public interface BlockStoragePolicySpi
| Modifier and Type | Method and Description | 
|---|---|
| StorageType[] | getCreationFallbacks()Get the fallback storage types for creating new block replicas. | 
| String | getName()Return the name of the storage policy. | 
| StorageType[] | getReplicationFallbacks()Get the fallback storage types for replicating existing block replicas. | 
| StorageType[] | getStorageTypes()Return the preferred storage types associated with this policy. | 
| boolean | isCopyOnCreateFile()Returns true if the policy is inherit-only and cannot be changed for
 an existing file. | 
String getName()
StorageType[] getStorageTypes()
StorageType[] getCreationFallbacks()
StorageType[] getReplicationFallbacks()
boolean isCopyOnCreateFile()
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