public MetricSnapshotHostedMetricsJsonWriter(
Stream stream,
TimeSpan flushInterval,
Func <IHostedMetricsPointTextWriter> metricPointTextWriter = null)
{
_stream = stream ?? throw new ArgumentNullException(nameof(stream));
_flushInterval = flushInterval;
_points = new HostedMetricsPoints();
_metricPointTextWriter = metricPointTextWriter != null?metricPointTextWriter() : HostedMetricsFormatterConstants.GraphiteDefaults.MetricPointTextWriter();
}
public MetricSnapshotHostedMetricsJsonWriter(
TextWriter textWriter,
Func <IHostedMetricsPointTextWriter> metricPointTextWriter = null,
GeneratedMetricNameMapping dataKeys = null)
{
_textWriter = textWriter ?? throw new ArgumentNullException(nameof(textWriter));
_points = new HostedMetricsPoints();
_metricPointTextWriter = metricPointTextWriter != null?metricPointTextWriter() : HostedMetricsFormatterConstants.GraphiteDefaults.MetricPointTextWriter();
MetricNameMapping = dataKeys ?? new GeneratedMetricNameMapping();
}
public HostedMetricsPoint(
string context,
string measurement,
IReadOnlyDictionary <string, object> fields,
MetricTags tags,
IHostedMetricsPointTextWriter pointTextWriter,
TimeSpan flushInterval,
DateTime?utcTimestamp = null)
{
_pointTextWriter = pointTextWriter ?? throw new ArgumentNullException(nameof(pointTextWriter));
FlushInterval = flushInterval;
if (string.IsNullOrEmpty(measurement))
{
throw new ArgumentException("A measurement must be specified", nameof(measurement));
}
if (fields == null || fields.Count == 0)
{
throw new ArgumentException("At least one field must be specified", nameof(fields));
}
if (fields.Any(f => string.IsNullOrEmpty(f.Key)))
{
throw new ArgumentException("Fields must have non-empty names", nameof(fields));
}
if (utcTimestamp != null && utcTimestamp.Value.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Timestamps must be specified as UTC", nameof(utcTimestamp));
}
Context = context;
Measurement = measurement;
Fields = fields;
Tags = tags;
UtcTimestamp = utcTimestamp ?? DateTime.UtcNow;
}