public Fetcher(IDocumentStore store, DaemonSettings settings, AsyncOptions options, IDaemonLogger logger, IDaemonErrorHandler errorHandler, IEnumerable <Type> eventTypes)
{
_settings = settings;
_options = options;
_logger = logger;
_errorHandler = errorHandler;
State = FetcherState.Waiting;
// TODO -- this will have to change
_tenant = store.Tenancy.Default;
_streamIdentity = store.Events.StreamIdentity;
_selector = store.Events.StreamIdentity == StreamIdentity.AsGuid
? (IEventSelector) new EventSelector(store.Events, store.Advanced.Serializer)
: new StringIdentifiedEventSelector(store.Events, store.Advanced.Serializer);
_map = new NulloIdentityMap(store.Advanced.Serializer);
EventTypeNames = eventTypes.Select(x => store.Events.EventMappingFor(x).Alias).ToArray();
_sql =
$@"
select seq_id from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id > :last and seq_id <= :limit and age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp) >= :buffer order by seq_id;
{_selector.ToSelectClause(null)} where seq_id > :last and seq_id <= :limit and type = ANY(:types) and age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp) >= :buffer order by seq_id;
select min(seq_id) from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id > :limit and type = ANY(:types) and age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp) >= :buffer;
select max(seq_id) from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id >= :limit and age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp) >= :buffer
".Replace(" as d", "");
}
public Fetcher(IDocumentStore store, DaemonSettings settings, AsyncOptions options, IDaemonLogger logger, IDaemonErrorHandler errorHandler, IEnumerable <Type> eventTypes)
{
_settings = settings;
_options = options;
_logger = logger;
_errorHandler = errorHandler;
State = FetcherState.Waiting;
// TODO -- this will have to change
_tenant = store.Tenancy.Default;
_streamIdentity = store.Events.StreamIdentity;
_selector = _tenant.EventStorage();
EventTypeNames = eventTypes.Select(x => store.Events.EventMappingFor(x).Alias).ToArray();
var fields = _selector.SelectFields().Join(", ");
_sql =
$@"
select seq_id from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id > :last and seq_id <= :limit and extract(epoch from age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp)) >= :buffer order by seq_id;
select {fields} from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id > :last and seq_id <= :limit and type = ANY(:types) and extract(epoch from age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp)) >= :buffer order by seq_id;
select min(seq_id) from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id > :limit and type = ANY(:types) and extract(epoch from age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp)) >= :buffer;
select max(seq_id) from {_selector.Events.DatabaseSchemaName}.mt_events where seq_id >= :limit and extract(epoch from age(transaction_timestamp(), {_selector.Events.DatabaseSchemaName}.mt_events.timestamp)) >= :buffer
".Replace(" as d", "");
}
public IDaemon BuildProjectionDaemon(Type[] viewTypes = null, IDaemonLogger logger = null, DaemonSettings settings = null, IProjection[] projections = null)
{
Tenancy.Default.EnsureStorageExists(typeof(EventStream));
if (projections == null)
{
projections = viewTypes?.Select(x => Events.ProjectionFor(x)).Where(x => x != null).ToArray() ?? Events.AsyncProjections.ToArray();
}
return(new Daemon(this, Tenancy.Default, settings ?? new DaemonSettings(), logger ?? new NulloDaemonLogger(), projections));
}
public ProjectionTrack(IFetcher fetcher, IDocumentStore store, IProjection projection, IDaemonLogger logger, IDaemonErrorHandler errorHandler)
{
_fetcher = fetcher;
_projection = projection;
_logger = logger;
_errorHandler = errorHandler;
_store = store;
_events = store.Schema.Events;
ViewType = _projection.Produces;
}
public ProjectionTrack(IFetcher fetcher, IDocumentStore store, IProjection projection, IDaemonLogger logger, IDaemonErrorHandler errorHandler)
{
_fetcher = fetcher;
_projection = projection;
_logger = logger;
_errorHandler = errorHandler;
_store = store;
_events = store.Schema.Events;
ViewType = _projection.Produces;
}
public ProjectionTrack(IFetcher fetcher, DocumentStore store, IProjection projection, IDaemonLogger logger, IDaemonErrorHandler errorHandler, ITenant tenant)
{
_fetcher = fetcher;
_projection = projection;
_logger = logger;
_errorHandler = errorHandler;
_tenant = tenant;
_store = store;
_events = store.Events;
ViewType = _projection.ProjectedType();
}
public Fetcher(IDocumentStore store, DaemonSettings settings, AsyncOptions options, IDaemonLogger logger, IDaemonErrorHandler errorHandler, IEnumerable<Type> eventTypes)
{
_settings = settings;
_options = options;
_logger = logger;
_errorHandler = errorHandler;
State = FetcherState.Waiting;
_connectionFactory = store.Advanced.Options.ConnectionFactory();
_selector = new EventSelector(store.Schema.Events, store.Advanced.Serializer);
_map = new NulloIdentityMap(store.Advanced.Serializer);
EventTypeNames = eventTypes.Select(x => store.Schema.Events.EventMappingFor(x).Alias).ToArray();
}
public Fetcher(IDocumentStore store, DaemonSettings settings, AsyncOptions options, IDaemonLogger logger, IDaemonErrorHandler errorHandler, IEnumerable <Type> eventTypes)
{
_settings = settings;
_options = options;
_logger = logger;
_errorHandler = errorHandler;
State = FetcherState.Waiting;
_connectionFactory = store.Advanced.Options.ConnectionFactory();
_selector = new EventSelector(store.Schema.Events, store.Advanced.Serializer);
_map = new NulloIdentityMap(store.Advanced.Serializer);
EventTypeNames = eventTypes.Select(x => store.Schema.Events.EventMappingFor(x).Alias).ToArray();
}
public Daemon(DocumentStore store, ITenant tenant, DaemonSettings settings, IDaemonLogger logger, IEnumerable <IProjection> projections)
{
_store = store;
_tenant = tenant;
Logger = logger;
_errorHandler = new DaemonErrorHandler(this, logger, settings.ExceptionHandling);
foreach (var projection in projections)
{
if (projection == null)
{
throw new ArgumentOutOfRangeException(nameof(projection), $"No projection is configured");
}
var fetcher = new Fetcher(store, settings, projection, logger, _errorHandler);
var track = new ProjectionTrack(fetcher, store, projection, logger, _errorHandler, tenant);
_tracks.Add(projection.ProjectedType(), track);
}
}
public Daemon(IDocumentStore store, DaemonSettings settings, IDaemonLogger logger, IEnumerable <IProjection> projections)
{
_store = store;
Logger = logger;
_errorHandler = new DaemonErrorHandler(this, logger, settings.ExceptionHandling);
foreach (var projection in projections)
{
if (projection == null)
{
throw new ArgumentOutOfRangeException(nameof(projection),
$"No projection is configured for view type {projection.Produces.FullName}");
}
var fetcher = new Fetcher(store, settings, projection, logger, _errorHandler);
var track = new ProjectionTrack(fetcher, store, projection, logger, _errorHandler);
_tracks.Add(projection.Produces, track);
}
}
protected PollingDaemonBase(IDaemonLogger logger, TimeSpan interval, int? preemptOnPort = null)
{
_logger = logger;
_interval = interval;
_preemptOnPort = preemptOnPort;
}
public Fetcher(IDocumentStore store, DaemonSettings settings, IProjection projection, IDaemonLogger logger, IDaemonErrorHandler errorHandler)
: this(store, settings, projection.AsyncOptions, logger, errorHandler, projection.Consumes)
{
}
public DaemonErrorHandler(IDaemon daemon, IDaemonLogger logger, ExceptionHandling handling)
{
_daemon = daemon;
_logger = logger;
_handling = handling;
}
public UdpPollingPreempter(IDaemonLogger logger)
{
_logger = logger;
_preemptOnPort = GetPreemptPort();
}
public Fetcher(IDocumentStore store, DaemonSettings settings, IProjection projection, IDaemonLogger logger, IDaemonErrorHandler errorHandler)
: this(store, settings, projection.AsyncOptions, logger, errorHandler, projection.Consumes)
{
}
protected PollingDaemonBase(IDaemonLogger logger, TimeSpan interval, IPollingPreempter preempter = null)
{
_logger = logger;
_interval = interval;
_preempter = preempter;
}
IDaemon IDocumentStore.BuildProjectionDaemon(Type[] viewTypes, IDaemonLogger logger, DaemonSettings settings,
IProjection[] projections)
{
return(_documentStore.BuildProjectionDaemon(viewTypes, logger, settings, projections));
}
public DaemonErrorHandler(IDaemon daemon, IDaemonLogger logger, ExceptionHandling handling)
{
_daemon = daemon;
_logger = logger;
_handling = handling;
}
public UdpPollingPreempter(IDaemonLogger logger)
{
_logger = logger;
_preemptOnPort = GetPreemptPort();
}
protected PollingDaemonBase(IDaemonLogger logger, TimeSpan interval, IPollingPreempter preempter = null)
{
_logger = logger;
_interval = interval;
_preempter = preempter;
}
