IPermissionPolicy (Hazelcast Root 5.4.0-SNAPSHOT API)

```
public interface IPermissionPolicy
```
IPermissionPolicy is used to determine any Subject's permissions to perform a security sensitive Hazelcast operation.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`configure(Config config, java.util.Properties properties)`	Configures `IPermissionPolicy`.
`void`	`destroy()`	Destroys `IPermissionPolicy`.
`java.security.PermissionCollection`	`getPermissions(javax.security.auth.Subject subject, java.lang.Class<? extends java.security.Permission> type)`	Determines permissions of subject.
`void`	`refreshPermissions(java.util.Set<PermissionConfig> permissionConfigs)`	Replaces existing permissions with given set of permissions.

- Method Detail
  - configure
```
void configure(Config config,
               java.util.Properties properties)
```
    Configures IPermissionPolicy.
    
    Parameters:
    
    config - Hazelcast Config
    
    properties - additional properties used to configure the IPermissionPolicy
  - getPermissions
```
java.security.PermissionCollection getPermissions(javax.security.auth.Subject subject,
                                                  java.lang.Class<? extends java.security.Permission> type)
```
    Determines permissions of subject.
    
    Parameters:
    
    subject - the Subject
    
    type - of permissions in PermissionCollection
    
    Returns:
    
    PermissionCollection containing subject's permissions
  - refreshPermissions
```
void refreshPermissions(java.util.Set<PermissionConfig> permissionConfigs)
```
    Replaces existing permissions with given set of permissions. Implementation must take into account that refreshPermissions may be executed concurrently with getPermissions.
    
    Parameters:
    
    permissionConfigs - the new set of permissions to apply
  - destroy
```
void destroy()
```
    Destroys IPermissionPolicy.