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Diffstat (limited to 'src/node_dag.erl')
| -rw-r--r-- | src/node_dag.erl | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/node_dag.erl b/src/node_dag.erl new file mode 100644 index 000000000..9a36a4c4a --- /dev/null +++ b/src/node_dag.erl @@ -0,0 +1,163 @@ +%%% ==================================================================== +%%% ``The contents of this file are subject to the Erlang Public License, +%%% Version 1.1, (the "License"); you may not use this file except in +%%% compliance with the License. You should have received a copy of the +%%% Erlang Public License along with this software. If not, it can be +%%% retrieved via the world wide web at http://www.erlang.org/. +%%% +%%% Software distributed under the License is distributed on an "AS IS" +%%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%%% the License for the specific language governing rights and limitations +%%% under the License. +%%% +%%% @author Brian Cully <bjc@kublai.com> +%%% @version {@vsn}, {@date} {@time} +%%% @end +%%% ==================================================================== + +-module(node_dag). + +-author('bjc@kublai.com'). + +-include("pubsub.hrl"). + +-include("jlib.hrl"). + +-behaviour(gen_pubsub_node). + +%% API definition +-export([init/3, terminate/2, options/0, features/0, + create_node_permission/6, create_node/2, delete_node/1, + purge_node/2, subscribe_node/8, unsubscribe_node/4, + publish_item/6, delete_item/4, remove_extra_items/3, + get_entity_affiliations/2, get_node_affiliations/1, + get_affiliation/2, set_affiliation/3, + get_entity_subscriptions/2, get_node_subscriptions/1, + get_subscriptions/2, set_subscriptions/4, + get_pending_nodes/2, get_states/1, get_state/2, + set_state/1, get_items/6, get_items/2, get_item/7, + get_item/2, set_item/1, get_item_name/3, node_to_path/1, + path_to_node/1]). + +init(Host, ServerHost, Opts) -> + node_hometree:init(Host, ServerHost, Opts). + +terminate(Host, ServerHost) -> + node_hometree:terminate(Host, ServerHost). + +options() -> + [{node_type, leaf} | node_hometree:options()]. + +features() -> + [<<"multi-collection">> | node_hometree:features()]. + +create_node_permission(_Host, _ServerHost, _Node, + _ParentNode, _Owner, _Access) -> + {result, true}. + +create_node(NodeID, Owner) -> + node_hometree:create_node(NodeID, Owner). + +delete_node(Removed) -> + node_hometree:delete_node(Removed). + +subscribe_node(NodeID, Sender, Subscriber, AccessModel, + SendLast, PresenceSubscription, RosterGroup, Options) -> + node_hometree:subscribe_node(NodeID, Sender, Subscriber, + AccessModel, SendLast, PresenceSubscription, + RosterGroup, Options). + +unsubscribe_node(NodeID, Sender, Subscriber, SubID) -> + node_hometree:unsubscribe_node(NodeID, Sender, + Subscriber, SubID). + +publish_item(NodeID, Publisher, Model, MaxItems, ItemID, + Payload) -> + case nodetree_dag:get_node(NodeID) of + #pubsub_node{options = Options} -> + case find_opt(node_type, Options) of + collection -> + {error, + ?ERR_EXTENDED((?ERR_NOT_ALLOWED), <<"publish">>)}; + _ -> + node_hometree:publish_item(NodeID, Publisher, Model, + MaxItems, ItemID, Payload) + end; + Err -> Err + end. + +find_opt(_, []) -> false; +find_opt(Option, [{Option, Value} | _]) -> Value; +find_opt(Option, [_ | T]) -> find_opt(Option, T). + +remove_extra_items(NodeID, MaxItems, ItemIDs) -> + node_hometree:remove_extra_items(NodeID, MaxItems, + ItemIDs). + +delete_item(NodeID, Publisher, PublishModel, ItemID) -> + node_hometree:delete_item(NodeID, Publisher, + PublishModel, ItemID). + +purge_node(NodeID, Owner) -> + node_hometree:purge_node(NodeID, Owner). + +get_entity_affiliations(Host, Owner) -> + node_hometree:get_entity_affiliations(Host, Owner). + +get_node_affiliations(NodeID) -> + node_hometree:get_node_affiliations(NodeID). + +get_affiliation(NodeID, Owner) -> + node_hometree:get_affiliation(NodeID, Owner). + +set_affiliation(NodeID, Owner, Affiliation) -> + node_hometree:set_affiliation(NodeID, Owner, + Affiliation). + +get_entity_subscriptions(Host, Owner) -> + node_hometree:get_entity_subscriptions(Host, Owner). + +get_node_subscriptions(NodeID) -> + node_hometree:get_node_subscriptions(NodeID). + +get_subscriptions(NodeID, Owner) -> + node_hometree:get_subscriptions(NodeID, Owner). + +set_subscriptions(NodeID, Owner, Subscription, SubID) -> + node_hometree:set_subscriptions(NodeID, Owner, + Subscription, SubID). + +get_pending_nodes(Host, Owner) -> + node_hometree:get_pending_nodes(Host, Owner). + +get_states(NodeID) -> node_hometree:get_states(NodeID). + +get_state(NodeID, JID) -> + node_hometree:get_state(NodeID, JID). + +set_state(State) -> node_hometree:set_state(State). + +get_items(NodeID, From) -> + node_hometree:get_items(NodeID, From). + +get_items(NodeID, JID, AccessModel, + PresenceSubscription, RosterGroup, SubID) -> + node_hometree:get_items(NodeID, JID, AccessModel, + PresenceSubscription, RosterGroup, SubID). + +get_item(NodeID, ItemID) -> + node_hometree:get_item(NodeID, ItemID). + +get_item(NodeID, ItemID, JID, AccessModel, + PresenceSubscription, RosterGroup, SubID) -> + node_hometree:get_item(NodeID, ItemID, JID, AccessModel, + PresenceSubscription, RosterGroup, SubID). + +set_item(Item) -> node_hometree:set_item(Item). + +get_item_name(Host, Node, ID) -> + node_hometree:get_item_name(Host, Node, ID). + +node_to_path(Node) -> node_hometree:node_to_path(Node). + +path_to_node(Path) -> node_hometree:path_to_node(Path). |