PermissionCacheOptimizer (spring-security-docs-manual 5.5.0-RC1 API)

All Superinterfaces:

org.springframework.aop.framework.AopInfrastructureBean

All Known Implementing Classes:

AclPermissionCacheOptimizer
```
public interface PermissionCacheOptimizer
extends org.springframework.aop.framework.AopInfrastructureBean
```
Allows permissions to be pre-cached when using pre or post filtering with expressions

Since:

3.1

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`cachePermissionsFor(Authentication a, java.util.Collection<?> objects)`	Optimises the permission cache for anticipated operation on the supplied collection of objects.

- Method Detail
  - cachePermissionsFor
```
void cachePermissionsFor(Authentication a,
                         java.util.Collection<?> objects)
```
    Optimises the permission cache for anticipated operation on the supplied collection of objects. Usually this will entail batch loading of permissions for the objects in the collection.
    
    Parameters:
    
    a - the user for whom permissions should be obtained.
    
    objects - the (non-null) collection of domain objects for which permissions should be retrieved.