public boolean isPersistPublishedItems() {
        return persistPublishedItems;
    }
Returns true if items are going to be persisted in a storage. Note that when the
variable is false then the last published item is the only items being saved
to the backend storage.

@return true if items are going to be persisted in a storage.
xmppserver/src/main/java/org/jivesoftware/openfire/pubsub/DefaultNodeConfiguration.java