var IN_PROGRESS = 101;
var DONE = 102;
+/* Update requests from plugins */
var SET_ADD = 201;
var SET_REMOVED = 202;
+/* Query status */
+var STATUS_NONE = 500; // Query has not been started yet
+var STATUS_GET_IN_PROGRESS = 501; // Query has been sent, no result has been received
+var STATUS_GET_RECEIVED = 502; // Success
+var STATUS_GET_ERROR = 503; // Error
+var STATUS_UPDATE_PENDING = 504;
+var STATUS_UPDATE_IN_PROGRESS = 505;
+var STATUS_UPDATE_RECEIVED = 506;
+var STATUS_UPDATE_ERROR = 507;
+// outdated ?
+
+// A structure for storing queries
+
+
+
+function QueryExt(query, parent_query, main_query) {
+
+ /* Constructor */
+ if (typeof query == "undefined")
+ throw "Must pass a query in QueryExt constructor";
+ this.query = query
+ this.parent_query = (typeof parent_query == "undefined") ? false : parent_query
+ this.main_query = (typeof main_query == "undefined") ? false : main_query
+
+ this.status = null;
+ this.results = null;
+ this.update_query = null; // null unless we are a main_query (aka parent_query == null); only main_query_fields can be updated...
+}
+
+function QueryStore() {
+
+ this.main_queries = {};
+ this.analyzed_queries = {};
+
+ /* Insertion */
+
+ this.insert = function(query)
+ {
+ if (query.analyzed_query == null) {
+ query.analyze_subqueries();
+ }
+
+ query_ext = new QueryExt(query, null, null)
+ manifold.query_store.main_queries[query.query_uuid] = query_ext;
+
+ // We also need to insert all queries and subqueries from the analyzed_query
+ query.iter_subqueries(function(sq, data, parent_query) {
+ if (parent_query)
+ parent_query_ext = manifold.query_store.find_analyzed_query_ext(parent_query.query_uuid);
+ else
+ parent_query_ext = null;
+ sq_ext = new QueryExt(sq, parent_query_ext, query_ext)
+ manifold.query_store.analyzed_queries[sq.query_uuid] = sq_ext;
+ });
+ }
+
+ /* Searching */
+
+ this.find_query_ext = function(query_uuid)
+ {
+ return this.main_queries[query_uuid];
+ }
+
+ this.find_query = function(query_uuid)
+ {
+ return this.find_query_ext(query_uuid).query;
+ }
+
+ this.find_analyzed_query_ext = function(query_uuid)
+ {
+ return this.analyzed_queries[query_uuid];
+ }
+
+ this.find_analyzed_query = function(query_uuid)
+ {
+ return this.find_analyzed_query_ext(query_uuid).query;
+ }
+}
+
/*!
* This namespace holds functions for globally managing query objects
* \Class Manifold
*/
var manifold = {
+ /**************************************************************************
+ * Helper functions
+ **************************************************************************/
+
spin_presets: {},
spin: function(locator, active /*= true */) {
} catch (err) { messages.debug("Cannot turn spins on/off " + err); }
},
+ /**************************************************************************
+ * Query management
+ **************************************************************************/
+
+ query_store: new QueryStore(),
+
+ // XXX Remaining functions are deprecated since they are replaced by the query store
+
/*!
* Associative array storing the set of queries active on the page
* \memberof Manifold
* \param ManifoldQuery query Query to be added
*/
insert_query : function (query) {
+ // NEW API
+ manifold.query_store.insert(query);
+
+ // FORMER API
if (query.analyzed_query == null) {
query.analyze_subqueries();
}
return manifold.all_queries[query_uuid];
},
+ /**************************************************************************
+ * Query execution
+ **************************************************************************/
+
// trigger a query asynchroneously
proxy_url : '/manifold/proxy/json/',
return true;
},
- raise_event_handler: function(type, query_uuid, event_type, value)
- {
- if (type == 'query') {
- var channels = [ manifold.get_query_channel(query_uuid), manifold.get_query_channel('*') ];
- } else if (type == 'record') {
- var channels = [ manifold.get_record_channel(query_uuid), manifold.get_record_channel('*') ];
-
- } else {
- throw 'Incorrect type for manifold.raise_event()';
- }
- $.each(channels, function(i, channel) {
- if (value === undefined)
- $('.plugin').trigger(channel, [event_type]);
- else
- $('.plugin').trigger(channel, [event_type, value]);
- });
- },
-
- raise_query_event: function(query_uuid, event_type, value)
- {
- manifold.raise_event_handler('query', query_uuid, event_type, value);
- },
-
- raise_record_event: function(query_uuid, event_type, value)
- {
- manifold.raise_event_handler('record', query_uuid, event_type, value);
- },
-
/*!
* Publish result
* \fn publish_result(query, results)
}
},
- raise_event: function(uuid, event_type, value)
+ /**************************************************************************
+ * Plugin API helpers
+ **************************************************************************/
+
+ raise_event_handler: function(type, query_uuid, event_type, value)
+ {
+ if (type == 'query') {
+ var channels = [ manifold.get_query_channel(query_uuid), manifold.get_query_channel('*') ];
+ } else if (type == 'record') {
+ var channels = [ manifold.get_record_channel(query_uuid), manifold.get_record_channel('*') ];
+
+ } else {
+ throw 'Incorrect type for manifold.raise_event()';
+ }
+ $.each(channels, function(i, channel) {
+ if (value === undefined)
+ $('.plugin').trigger(channel, [event_type]);
+ else
+ $('.plugin').trigger(channel, [event_type, value]);
+ });
+ },
+
+ raise_query_event: function(query_uuid, event_type, value)
+ {
+ manifold.raise_event_handler('query', query_uuid, event_type, value);
+ },
+
+ raise_record_event: function(query_uuid, event_type, value)
+ {
+ manifold.raise_event_handler('record', query_uuid, event_type, value);
+ },
+
+
+ raise_event: function(query_uuid, event_type, value)
{
switch(event_type) {
case SET_ADD:
// Query uuid has been updated with the key of a new element
+ query_ext = manifold.query_store.find_analyzed_query(query_uuid);
+
+ // update is only possible is the query is not pending, etc
+ // CHECK status !
+
+ // XXX we can only update subqueries of the main query. Check !
+ // assert query_ext.parent_query == query_ext.main_query
+ update_query = query_ext.parent_query.update_query;
+
+ // NOTE: update might modify the fields in Get
+ // NOTE : we have to modify all child queries
+ // NOTE : parts of a query might not be started (eg slice.measurements, how to handle ?)
+
+ // if everything is done right, update_query should not be null. It is updated when we received results from the get query
+ // object = the same as get
+ // filter = key : update a single object for now
+ // fields = the same as get
+
break;
case SET_REMOVED:
// Query uuid has been updated with the key of a removed element
git://git.onelab.eu / myslice.git / blobdiff