func (this *SinkFactory) BuildAll(uris flags.Uris) (*metricsink.MetricSink, []core.DataSink) {
result := make([]core.DataSink, 0, len(uris))
var metric *metricsink.MetricSink
for _, uri := range uris {
sink, err := this.Build(uri)
if err != nil {
glog.Errorf("Failed to create sink: %v", err)
continue
}
if uri.Key == "metric" {
metric = sink.(*metricsink.MetricSink)
}
result = append(result, sink)
}
if metric == nil {
uri := flags.Uri{}
uri.Set("metric")
sink, err := this.Build(uri)
if err == nil {
result = append(result, sink)
metric = sink.(*metricsink.MetricSink)
} else {
glog.Errorf("Error while creating metric sink: %v", err)
}
}
return metric, result
}
func (this *SinkFactory) BuildAll(uris flags.Uris, historicalUri string) (*metricsink.MetricSink, []core.DataSink, core.HistoricalSource) {
result := make([]core.DataSink, 0, len(uris))
var metric *metricsink.MetricSink
var historical core.HistoricalSource
for _, uri := range uris {
sink, err := this.Build(uri)
if err != nil {
glog.Errorf("Failed to create sink: %v", err)
continue
}
if uri.Key == "metric" {
metric = sink.(*metricsink.MetricSink)
}
if uri.String() == historicalUri {
if asHistSource, ok := sink.(core.AsHistoricalSource); ok {
historical = asHistSource.Historical()
} else {
glog.Errorf("Sink type %q does not support being used for historical access", uri.Key)
}
}
result = append(result, sink)
}
if len([]flags.Uri(uris)) != 0 && len(result) == 0 {
glog.Fatal("No available sink to use")
}
if metric == nil {
uri := flags.Uri{}
uri.Set("metric")
sink, err := this.Build(uri)
if err == nil {
result = append(result, sink)
metric = sink.(*metricsink.MetricSink)
} else {
glog.Errorf("Error while creating metric sink: %v", err)
}
}
if len(historicalUri) > 0 && historical == nil {
glog.Errorf("Error while initializing historical access: unable to use sink %q as a historical source", historicalUri)
}
return metric, result, historical
}