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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.Runtime
{
using System.Activities.Hosting;
using System.Collections.Generic;
using System.Globalization;
using System.Runtime;
using System.Runtime.Serialization;
using System.Xml.Linq;
[DataContract]
class MappableObjectManager
{
List<MappableLocation> mappableLocations;
public MappableObjectManager()
{
}
public int Count
{
get
{
int result = 0;
if (this.mappableLocations != null)
{
result += this.mappableLocations.Count;
}
return result;
}
}
[DataMember(EmitDefaultValue = false, Name = "mappableLocations")]
internal List<MappableLocation> SerializedMappableLocations
{
get { return this.mappableLocations; }
set { this.mappableLocations = value; }
}
public IDictionary<string, LocationInfo> GatherMappableVariables()
{
Dictionary<string, LocationInfo> result = null;
if (this.mappableLocations != null && this.mappableLocations.Count > 0)
{
result = new Dictionary<string, LocationInfo>(this.mappableLocations.Count);
for (int locationIndex = 0; locationIndex < this.mappableLocations.Count; locationIndex++)
{
MappableLocation mappableLocation = this.mappableLocations[locationIndex];
result.Add(mappableLocation.MappingKeyName, new LocationInfo(mappableLocation.Name, mappableLocation.OwnerDisplayName, mappableLocation.Location.Value));
}
}
return result;
}
public void Register(Location location, Activity activity, LocationReference locationOwner, ActivityInstance activityInstance)
{
Fx.Assert(location.CanBeMapped, "should only register mappable locations");
if (this.mappableLocations == null)
{
this.mappableLocations = new List<MappableLocation>();
}
this.mappableLocations.Add(new MappableLocation(locationOwner, activity, activityInstance, location));
}
public void Unregister(Location location)
{
Fx.Assert(location.CanBeMapped, "should only register mappable locations");
int mappedLocationsCount = this.mappableLocations.Count;
for (int i = 0; i < mappedLocationsCount; i++)
{
if (object.ReferenceEquals(this.mappableLocations[i].Location, location))
{
this.mappableLocations.RemoveAt(i);
break;
}
}
Fx.Assert(this.mappableLocations.Count == mappedLocationsCount - 1, "can only unregister locations that have been registered");
}
[DataContract]
internal class MappableLocation
{
string mappingKeyName;
string name;
string ownerDisplayName;
Location location;
public MappableLocation(LocationReference locationOwner, Activity activity, ActivityInstance activityInstance, Location location)
{
this.Name = locationOwner.Name;
this.OwnerDisplayName = activity.DisplayName;
this.Location = location;
this.MappingKeyName = string.Format(CultureInfo.InvariantCulture, "activity.{0}-{1}_{2}", activity.Id, locationOwner.Id, activityInstance.Id);
}
internal string MappingKeyName
{
get
{
return this.mappingKeyName;
}
private set
{
this.mappingKeyName = value;
}
}
public string Name
{
get
{
return this.name;
}
private set
{
this.name = value;
}
}
public string OwnerDisplayName
{
get
{
return this.ownerDisplayName;
}
private set
{
this.ownerDisplayName = value;
}
}
internal Location Location
{
get
{
return this.location;
}
private set
{
this.location = value;
}
}
[DataMember(Name = "MappingKeyName")]
internal string SerializedMappingKeyName
{
get { return this.MappingKeyName; }
set { this.MappingKeyName = value; }
}
[DataMember(Name = "Name")]
internal string SerializedName
{
get { return this.Name; }
set { this.Name = value; }
}
[DataMember(EmitDefaultValue = false, Name = "OwnerDisplayName")]
internal string SerializedOwnerDisplayName
{
get { return this.OwnerDisplayName; }
set { this.OwnerDisplayName = value; }
}
[DataMember(Name = "Location")]
internal Location SerializedLocation
{
get { return this.Location; }
set { this.Location = value; }
}
}
}
}
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