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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.Tracking
{
using System;
using System.Runtime;
using System.Runtime.Serialization;
using System.Diagnostics;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Globalization;
using System.Runtime.Diagnostics;
[Fx.Tag.XamlVisible(false)]
[DataContract]
public abstract class TrackingRecord
{
IDictionary<string, string> annotations;
DateTime eventTime;
TraceLevel level;
EventTraceActivity eventTraceActivity;
static ReadOnlyDictionaryInternal<string, string> readonlyEmptyAnnotations;
protected TrackingRecord(Guid instanceId)
{
this.InstanceId = instanceId;
this.EventTime = DateTime.UtcNow;
this.Level = TraceLevel.Info;
this.eventTraceActivity = new EventTraceActivity(instanceId);
}
protected TrackingRecord(Guid instanceId, long recordNumber)
: this(instanceId)
{
this.RecordNumber = recordNumber;
}
protected TrackingRecord(TrackingRecord record)
{
this.InstanceId = record.InstanceId;
this.RecordNumber = record.RecordNumber;
this.EventTime = record.EventTime;
this.Level = record.Level;
if (record.HasAnnotations)
{
Dictionary<string, string> copy = new Dictionary<string, string>(record.annotations);
this.annotations = new ReadOnlyDictionaryInternal<string, string>(copy);
}
}
[DataMember]
public Guid InstanceId
{
get;
internal set;
}
[DataMember]
public long RecordNumber
{
get;
internal set;
}
public DateTime EventTime
{
get
{
return this.eventTime;
}
private set
{
this.eventTime = value;
}
}
public TraceLevel Level
{
get
{
return this.level;
}
protected set
{
this.level = value;
}
}
public IDictionary<string, string> Annotations
{
get
{
if (this.annotations == null)
{
this.annotations = ReadOnlyEmptyAnnotations;
}
return this.annotations;
}
internal set
{
Fx.Assert(value.IsReadOnly, "only readonly dictionary can be set for annotations");
this.annotations = value;
}
}
[DataMember(EmitDefaultValue = false, Name = "annotations")]
internal IDictionary<string, string> SerializedAnnotations
{
get { return this.annotations; }
set { this.annotations = value; }
}
[DataMember(Name = "EventTime")]
internal DateTime SerializedEventTime
{
get { return this.EventTime; }
set { this.EventTime = value; }
}
[DataMember(Name = "Level")]
internal TraceLevel SerializedLevel
{
get { return this.Level; }
set { this.Level = value; }
}
internal EventTraceActivity EventTraceActivity
{
get
{
if (this.eventTraceActivity == null)
{
this.eventTraceActivity = new EventTraceActivity(this.InstanceId);
}
return this.eventTraceActivity;
}
}
static ReadOnlyDictionaryInternal<string, string> ReadOnlyEmptyAnnotations
{
get
{
if (readonlyEmptyAnnotations == null)
{
readonlyEmptyAnnotations = new ReadOnlyDictionaryInternal<string, string>(new Dictionary<string, string>(0));
}
return readonlyEmptyAnnotations;
}
}
internal bool HasAnnotations
{
get
{
return (this.annotations != null && this.annotations.Count > 0);
}
}
protected abstract internal TrackingRecord Clone();
public override string ToString()
{
return string.Format(CultureInfo.CurrentCulture,
"InstanceId = {0}, RecordNumber = {1}, EventTime = {2}",
this.InstanceId,
this.RecordNumber,
this.EventTime);
}
}
}
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