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/* data-source.vala
*
* Copyright © 2011 Michal Hruby <michal.mhr@gmail.com>
* Copyright © 2011-2012 Collabora Ltd.
* By Siegfried-Angel Gevatter Pujals <siegfried@gevatter.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Abstracts data sources used by the Data-Source Registry extension
*/
namespace Zeitgeist
{
public class DataSource: Object
{
public string unique_id { get; set; }
public string name { get; set; }
public string description { get; set; }
public GenericArray<Event>? event_templates { get; set; }
public bool enabled { get; set; }
public bool running { get; set; }
public int64 timestamp { get; set; }
public DataSource ()
{
Object ();
this.enabled = true;
}
public DataSource.full (string unique_id, string name,
string description, GenericArray<Event>? templates)
{
Object (unique_id: unique_id, name: name, description: description,
event_templates: templates);
this.enabled = true;
}
public DataSource.from_variant (Variant variant,
bool reset_running=false) throws DataModelError
{
warn_if_fail (
variant.get_type_string () == "(sssa("+Utils.SIG_EVENT+")bxb)"
|| variant.get_type_string () == "sssa("+Utils.SIG_EVENT+")");
var iter = variant.iterator ();
assert (iter.n_children () >= 4);
unique_id = iter.next_value ().get_string ();
name = iter.next_value ().get_string ();
description = iter.next_value ().get_string ();
event_templates = Events.from_variant (iter.next_value ());
if (iter.n_children () > 4)
{
running = iter.next_value ().get_boolean ();
if (reset_running)
running = false;
timestamp = iter.next_value ().get_int64 ();
enabled = iter.next_value ().get_boolean ();
}
}
public Variant to_variant ()
{
var vb = new VariantBuilder (new VariantType (
"(sssa("+Utils.SIG_EVENT+")bxb)"));
vb.add ("s", unique_id);
vb.add ("s", name);
vb.add ("s", description);
if (event_templates != null && event_templates.length > 0)
{
vb.add_value (Events.to_variant (event_templates));
}
else
{
vb.open (new VariantType ("a("+Utils.SIG_EVENT+")"));
vb.close ();
}
vb.add ("b", running);
vb.add ("x", timestamp);
vb.add ("b", enabled);
return vb.end ();
}
}
namespace DataSources
{
public const string SIG_DATASOURCES =
"a(sssa("+Utils.SIG_EVENT+")bxb)";
public static GenericArray<DataSource> from_variant (
Variant sources_variant) throws DataModelError
{
var sources = new GenericArray<DataSource> ();
warn_if_fail (
sources_variant.get_type_string() == SIG_DATASOURCES);
foreach (Variant ds_variant in sources_variant)
{
sources.add (new DataSource.from_variant (ds_variant));
}
return sources;
}
public static Variant to_variant (
HashTable<string, DataSource> sources)
{
var vb = new VariantBuilder (new VariantType (SIG_DATASOURCES));
List<unowned DataSource> data_sources = sources.get_values ();
data_sources.sort ((a, b) =>
{
return strcmp (a.unique_id, b.unique_id);
});
foreach (unowned DataSource ds in data_sources)
{
vb.add_value (ds.to_variant ());
}
return vb.end ();
}
}
}
// vim:expandtab:ts=4:sw=4
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