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## org.jivesoftware.openfire.pubsub
Class PubSubPersistenceManager

    java.lang.Object
      org.jivesoftware.openfire.pubsub.PubSubPersistenceManager

    public class PubSubPersistenceManager

extends Object

A manager responsible for ensuring node persistence.

Author:
  Matt Tucker

Constructor Summary
`PubSubPersistenceManager()`

Method Summary
`static void` | `createDefaultConfiguration(PubSubService service, DefaultNodeConfiguration config)` Creates a new default node configuration for the specified service.
`static void` | `createNode(PubSubService service, Node node)` Creates and stores the node configuration in the database.
`static boolean` | `createPublishedItem(PubSubService service, PublishedItem item)` Creates and stores the published item in the database.
`static DefaultNodeConfiguration` | `loadDefaultConfiguration(PubSubService service, boolean isLeafType)` Loads from the database the default node configuration for the specified node type and pubsub service.
`static void` | `loadItems(PubSubService service, LeafNode node)` Loads and adds the published items to the specified node.
`static void` | `loadNodes(PubSubService service)` Loads all nodes from the database and adds them to the PubSub service.
`static void` | `removeAffiliation(PubSubService service, Node node, NodeAffiliate affiliate)` Removes the affiliation and subsription state of the user from the DB.
`static boolean` | `removeNode(PubSubService service, Node node)` Removes the specified node from the DB.
`static boolean` | `removePublishedItem(PubSubService service, PublishedItem item)` Removes the specified published item from the DB.
`static void` | `removeSubscription(PubSubService service, Node node, NodeSubscription subscription)` Removes the subscription of the user from the DB.
`static void` | `saveAffiliation(PubSubService service, Node node, NodeAffiliate affiliate, boolean create)` Update the DB with the new affiliation of the user in the node.
`static void` | `saveSubscription(PubSubService service, Node node, NodeSubscription subscription, boolean create)` Updates the DB with the new subsription of the user to the node.
`static void` | `updateDefaultConfiguration(PubSubService service, DefaultNodeConfiguration config)` Updates the default node configuration for the specified service.
`static void` | `updateNode(PubSubService service, Node node)` Updates the node configuration in the database.

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

Constructor Detail

### PubSubPersistenceManager

    public PubSubPersistenceManager()

Method Detail

### createNode

    public static void createNode(PubSubService service,
                                  Node node)

  Creates and stores the node configuration in the database.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The newly created node.

### updateNode

    public static void updateNode(PubSubService service,
                                  Node node)

  Updates the node configuration in the database.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The updated node.

### removeNode

    public static boolean removeNode(PubSubService service,
                                     Node node)

  Removes the specified node from the DB.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The node that is being deleted.
  Returns:
    true If the operation was successful.

### loadNodes

    public static void loadNodes(PubSubService service)

  Loads all nodes from the database and adds them to the PubSub service.

  Parameters:
    `service` - the pubsub service that is hosting the nodes.

### saveAffiliation

    public static void saveAffiliation(PubSubService service,
                                       Node node,
                                       NodeAffiliate affiliate,
                                       boolean create)

  Update the DB with the new affiliation of the user in the node.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The node where the affiliation of the user was updated.
    `affiliate` - The new affiliation of the user in the node.
    `create` - True if this is a new affiliate.

### removeAffiliation

    public static void removeAffiliation(PubSubService service,
                                         Node node,
                                         NodeAffiliate affiliate)

  Removes the affiliation and subsription state of the user from the DB.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The node where the affiliation of the user was updated.
    `affiliate` - The existing affiliation and subsription state of the user in the node.

### saveSubscription

    public static void saveSubscription(PubSubService service,
                                        Node node,
                                        NodeSubscription subscription,
                                        boolean create)

  Updates the DB with the new subsription of the user to the node.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The node where the user has subscribed to.
    `subscription` - The new subscription of the user to the node.
    `create` - True if this is a new affiliate.

### removeSubscription

    public static void removeSubscription(PubSubService service,
                                          Node node,
                                          NodeSubscription subscription)

  Removes the subscription of the user from the DB.

  Parameters:
    `service` - The pubsub service that is hosting the node.
    `node` - The node where the user was subscribed to.
    `subscription` - The existing subsription of the user to the node.

### loadItems

    public static void loadItems(PubSubService service,
                                 LeafNode node)

  Loads and adds the published items to the specified node.

  Parameters:
    `service` - the pubsub service that is hosting the node.
    `node` - the leaf node to load its published items.

### createPublishedItem

    public static boolean createPublishedItem(PubSubService service,
                                              PublishedItem item)

  Creates and stores the published item in the database.

  Parameters:
    `service` - the pubsub service that is hosting the node.
    `item` - The published item to save.
  Returns:
    true if the item was successfully saved to the database.

### removePublishedItem

    public static boolean removePublishedItem(PubSubService service,
                                              PublishedItem item)

  Removes the specified published item from the DB.

  Parameters:
    `service` - the pubsub service that is hosting the node.
    `item` - The published item to delete.
  Returns:
    true if the item was successfully deleted from the database.

### loadDefaultConfiguration

    public static DefaultNodeConfiguration loadDefaultConfiguration(PubSubService service,
                                                                    boolean isLeafType)

  Loads from the database the default node configuration for the specified node type and pubsub service.

  Parameters:
    `service` - the default node configuration used by this pubsub service.
    `isLeafType` - true if loading default configuration for leaf nodes.
  Returns:
    the loaded default node configuration for the specified node type and service or `null` if none was found.

### createDefaultConfiguration

    public static void createDefaultConfiguration(PubSubService service,
                                                  DefaultNodeConfiguration config)

  Creates a new default node configuration for the specified service.

  Parameters:
    `service` - the default node configuration used by this pubsub service.
    `config` - the default node configuration to create in the database.

### updateDefaultConfiguration

    public static void updateDefaultConfiguration(PubSubService service,
                                                  DefaultNodeConfiguration config)

  Updates the default node configuration for the specified service.

  Parameters:
    `service` - the default node configuration used by this pubsub service.
    `config` - the default node configuration to update in the database.

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