java.lang.Object
- com.sodius.oslc.server.process.scheme.model.ProcessSchemePolicySet

```
public class ProcessSchemePolicySet
extends Object
```
Provides facilities to lookup existing scheme policies from the store and to perform updates. Developer is recommended to use this class whenever possible, rather than interacting with the lower level ProcessSchemePolicyStore.

Since:

3.5.0

Nested Class Summary

Nested Classes
Modifier and Type Class Description

class ProcessSchemePolicySet.PolicyStoreUpdater
Performs updates in a scheme policy store.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static ProcessSchemePolicySet`	`fromStore(String schemeIdentifier, ProcessSchemePolicyStore store)`	Reads existing policies from the store for a given scheme.
`Optional<FriendPolicy>`	`getFriendPolicy(Friend friend)`	Returns the existing policy for a friend, if any.
`Optional<LinkTypePolicy>`	`getLinkTypePolicy(Friend friend, URI resourceType, URI linkType)`	Returns the existing policy for the given link type, if any.
`Optional<ResourceTypePolicy>`	`getResourceTypePolicy(Friend friend, URI resourceType)`	Returns the existing policy for the given resource type, if any.
`Optional<ProcessSchemePolicy>`	`getSchemePolicy()`	Returns the existing policy for the scheme, if any.
`boolean`	`isEmpty()`	Returns `true` if there's no policies in the store for the underlying scheme.
`ProcessSchemePolicySet.PolicyStoreUpdater`	`storeUpdater()`	Returns a `ProcessSchemePolicySet.PolicyStoreUpdater` to perform updates in the store.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - fromStore
```
public static ProcessSchemePolicySet fromStore(String schemeIdentifier,
                                               ProcessSchemePolicyStore store)
                                        throws ProcessSchemeStoreException
```
    Reads existing policies from the store for a given scheme.
    
    Parameters:
    
    schemeIdentifier - the identifier of the scheme of interest.
    
    store - the scheme policy store.
    
    Returns:
    
    the existing scheme policies.
    
    Throws:
    
    ProcessSchemeStoreException - if the policies cannot be read from the store.
  - isEmpty
```
public boolean isEmpty()
```
    Returns true if there's no policies in the store for the underlying scheme.
    
    Returns:
    
    true if there's no policies in the store for the underlying scheme.
  - getSchemePolicy
```
public Optional<ProcessSchemePolicy> getSchemePolicy()
```
    Returns the existing policy for the scheme, if any.
    
    Returns:
    
    the existing policy for the scheme, an empty Optional if none.
  - getFriendPolicy
```
public Optional<FriendPolicy> getFriendPolicy(Friend friend)
```
    Returns the existing policy for a friend, if any.
    
    Parameters:
    
    friend - the friend application.
    
    Returns:
    
    the existing policy for a friend, an empty Optional if none.
  - getResourceTypePolicy
```
public Optional<ResourceTypePolicy> getResourceTypePolicy(Friend friend,
                                                          URI resourceType)
```
    Returns the existing policy for the given resource type, if any.
    
    Parameters:
    
    friend - the friend application.
    
    resourceType - the resource type
    
    Returns:
    
    the existing policy for the given resource type, an empty Optional if none.
  - getLinkTypePolicy
```
public Optional<LinkTypePolicy> getLinkTypePolicy(Friend friend,
                                                  URI resourceType,
                                                  URI linkType)
```
    Returns the existing policy for the given link type, if any.
    
    Parameters:
    
    friend - the friend application.
    
    resourceType - the resource type
    
    linkType - the link type
    
    Returns:
    
    the existing policy for the given link type, an empty Optional if none.
  - storeUpdater
```
public ProcessSchemePolicySet.PolicyStoreUpdater storeUpdater()
```
    Returns a ProcessSchemePolicySet.PolicyStoreUpdater to perform updates in the store. The same unique updater instance is returned for each call of this method.
    
    Returns:
    
    the associated updater instance.

Class ProcessSchemePolicySet

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

fromStore

isEmpty

getSchemePolicy

getFriendPolicy

getResourceTypePolicy

getLinkTypePolicy

storeUpdater