| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.namenode | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FSPermissionCheckerClass that helps in checking file system permission. | 
| Modifier and Type | Method and Description | 
|---|---|
| INodeAttributeProvider.AccessControlEnforcer | INodeAttributeProvider. getExternalAccessControlEnforcer(INodeAttributeProvider.AccessControlEnforcer defaultEnforcer)Can be over-ridden by implementations to provide a custom Access Control
 Enforcer that can provide an alternate implementation of the
 default permission checking logic. | 
| Modifier and Type | Method and Description | 
|---|---|
| INodeAttributeProvider.AccessControlEnforcer | INodeAttributeProvider. getExternalAccessControlEnforcer(INodeAttributeProvider.AccessControlEnforcer defaultEnforcer)Can be over-ridden by implementations to provide a custom Access Control
 Enforcer that can provide an alternate implementation of the
 default permission checking logic. | 
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