/// <summary>
///
/// </summary>
public void Initialize(Platform platform)
{
SystemMonitor.CheckWarning(NewsSourcesUnsafe.Count == 0, "Manager already has assigned sources.");
_platform = platform;
_persistenceHelper = Platform.CreatePersistenceHelper(platform.Settings);
_persistenceHelper.SetupTypeMapping(typeof(RssNewsItem), "RssNewsItems", null);
_persistenceHelper.SetupTypeMapping(typeof(NewsSource), "NewsSources", null);
_persistenceHelper.SetupTypeMapping(typeof(RssNewsSource), "NewsSources", null);
_persistenceHelper.SetupTypeMapping(typeof(ForexNewsItem), "ForexNewsItems", null);
_persistenceHelper.SetupTypeMapping(typeof(ForexNewsSource), "ForexNewsSources", null);
// Make sure this load is before the accept events, so that they do not cause adding failure.
List <NewsSource> sources = _persistenceHelper.SelectDynamicType <NewsSource>(null, "Type", null);
base.SourceAddedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceAddedEvent);
base.SourceRemovedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceRemovedEvent);
foreach (NewsSource source in sources)
{
if (source.Enabled)
{
List <RssNewsItem> items =
_persistenceHelper.Select <RssNewsItem>(new MatchExpression("NewsSourceId", source.Id), null);
foreach (RssNewsItem item in items)
{
item.Source = source;
}
// Handle the relation to persistence.
source.AddItems(items.ToArray());
}
base.AddSource(source);
}
GeneralHelper.FireAndForget(UpdateFeeds);
}
/// <summary>
/// Handle enable changed, to load items from DB for source (since it may not have any loaded;
/// implementing an load "On demand" mechanism"); also store change of Enabled to DB.
/// </summary>
/// <param name="source"></param>
protected override void source_EnabledChangedEvent(NewsSource source)
{
if (source.Enabled)
{// Extract items from DB, since it may have none at this point.
List <RssNewsItem> items =
_persistenceHelper.Select <RssNewsItem>(new MatchExpression("NewsSourceId", source.Id), null);
foreach (RssNewsItem item in items)
{
item.Source = source;
}
// Handle the relation to persistence.
source.AddItems(items.ToArray());
}
// Update source to DB.
source_PersistenceDataUpdatedEvent(source);
base.source_EnabledChangedEvent(source);
}
/// <summary>
///
/// </summary>
public bool Initialize(PlatformSettings settings)
{
lock (this)
{
_persistenceHelper = Platform.CreatePersistenceHelper(settings);
_persistenceHelper.SetupTypeMapping(typeof(DataStoreEntry), "DataStoreEntries", null);
_dataStoreFilesFolder = settings.GetMappedFolder("DataStoreFolder");
}
GeneralHelper.FireAndForget(
delegate()
{
try
{ // Download online dataDelivery source entries.
WebRequest request = WebRequest.Create(settings.DataStoreOnlineSourcesXml);
request.Timeout = (int)TimeSpan.FromSeconds(15).TotalMilliseconds;
TextReader reader = new StreamReader(request.GetResponse().GetResponseStream());
// If you get an error here in DEBUG MODE, just ignore it, it is a bug in VS 2008.
XmlSerializer serializer = new XmlSerializer(typeof(OnlineEntrySource[]));
OnlineEntrySource[] sources = (OnlineEntrySource[])serializer.Deserialize(reader);
lock (_onlineEntrySources)
{ // _onlineEntrySources contains serialized existing sources.
_onlineEntrySources.AddRange(sources);
sources = _onlineEntrySources.ToArray();
}
foreach (OnlineEntrySource source in sources)
{
if (OnlineEntrySourceAddedEvent != null)
{
OnlineEntrySourceAddedEvent(this, source);
}
}
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to obtain online data souces [" + ex.Message + "].", TracerItem.PriorityEnum.Low);
}
}
);
if (Directory.Exists(_dataStoreFilesFolder) == false)
{
if (Directory.CreateDirectory(_dataStoreFilesFolder) == null)
{
SystemMonitor.OperationError("Failed to create Data Store folder [" + settings.GetMappedFolder("DataStoreFolder") + "]");
return(false);
}
}
List <DataStoreEntry> entries = _persistenceHelper.Select <DataStoreEntry>(null, null);
foreach (DataStoreEntry entry in entries)
{
DoAddEntry(entry);
}
ChangeOperationalState(OperationalStateEnum.Operational);
return(true);
}
/// <summary>
///
/// </summary>
public bool Initialize(PlatformSettings settings)
{
lock (this)
{
_persistenceHelper = Platform.CreatePersistenceHelper(settings);
_persistenceHelper.SetupTypeMapping(typeof(DataStoreEntry), "DataStoreEntries", null);
_dataStoreFilesFolder = settings.GetMappedFolder("DataStoreFolder");
}
GeneralHelper.FireAndForget(
delegate()
{
try
{// Download online dataDelivery source entries.
WebRequest request = WebRequest.Create(settings.DataStoreOnlineSourcesXml);
request.Timeout = (int)TimeSpan.FromSeconds(15).TotalMilliseconds;
TextReader reader = new StreamReader(request.GetResponse().GetResponseStream());
// If you get an error here in DEBUG MODE, just ignore it, it is a bug in VS 2008.
XmlSerializer serializer = new XmlSerializer(typeof(OnlineEntrySource[]));
OnlineEntrySource[] sources = (OnlineEntrySource[])serializer.Deserialize(reader);
lock (_onlineEntrySources)
{// _onlineEntrySources contains serialized existing sources.
_onlineEntrySources.AddRange(sources);
sources = _onlineEntrySources.ToArray();
}
foreach (OnlineEntrySource source in sources)
{
if (OnlineEntrySourceAddedEvent != null)
{
OnlineEntrySourceAddedEvent(this, source);
}
}
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to obtain online data souces [" + ex.Message + "].", TracerItem.PriorityEnum.Low);
}
}
);
if (Directory.Exists(_dataStoreFilesFolder) == false)
{
if (Directory.CreateDirectory(_dataStoreFilesFolder) == null)
{
SystemMonitor.OperationError("Failed to create Data Store folder [" + settings.GetMappedFolder("DataStoreFolder") + "]");
return false;
}
}
List<DataStoreEntry> entries = _persistenceHelper.Select<DataStoreEntry>(null, null);
foreach (DataStoreEntry entry in entries)
{
DoAddEntry(entry);
}
ChangeOperationalState(OperationalStateEnum.Operational);
return true;
}
/// <summary>
///
/// </summary>
public void Initialize(Platform platform)
{
SystemMonitor.CheckWarning(NewsSourcesUnsafe.Count == 0, "Manager already has assigned sources.");
_platform = platform;
_persistenceHelper = Platform.CreatePersistenceHelper(platform.Settings);
_persistenceHelper.SetupTypeMapping(typeof(RssNewsItem), "RssNewsItems", null);
_persistenceHelper.SetupTypeMapping(typeof(NewsSource), "NewsSources", null);
_persistenceHelper.SetupTypeMapping(typeof(RssNewsSource), "NewsSources", null);
_persistenceHelper.SetupTypeMapping(typeof(ForexNewsItem), "ForexNewsItems", null);
_persistenceHelper.SetupTypeMapping(typeof(ForexNewsSource), "ForexNewsSources", null);
// Make sure this load is before the accept events, so that they do not cause adding failure.
List<NewsSource> sources = _persistenceHelper.SelectDynamicType<NewsSource>(null, "Type", null);
base.SourceAddedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceAddedEvent);
base.SourceRemovedEvent += new NewsSourceUpdateDelegate(PlatformNewsManager_SourceRemovedEvent);
foreach (NewsSource source in sources)
{
if (source.Enabled)
{
List<RssNewsItem> items =
_persistenceHelper.Select<RssNewsItem>(new MatchExpression("NewsSourceId", source.Id), null);
foreach (RssNewsItem item in items)
{
item.Source = source;
}
// Handle the relation to persistence.
source.AddItems(items.ToArray());
}
base.AddSource(source);
}
GeneralHelper.FireAndForget(UpdateFeeds);
}
