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//----------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------
namespace System.Activities.DurableInstancing
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Runtime;
using System.Runtime.DurableInstancing;
using System.Xml.Linq;
[Fx.Tag.XamlVisible(false)]
public sealed class SaveWorkflowCommand : InstancePersistenceCommand
{
Dictionary<Guid, IDictionary<XName, InstanceValue>> keysToAssociate;
Collection<Guid> keysToComplete;
Collection<Guid> keysToFree;
Dictionary<XName, InstanceValue> instanceData;
Dictionary<XName, InstanceValue> instanceMetadataChanges;
Dictionary<Guid, IDictionary<XName, InstanceValue>> keyMetadataChanges;
public SaveWorkflowCommand()
: base(InstancePersistence.ActivitiesCommandNamespace.GetName("SaveWorkflow"))
{
}
public bool UnlockInstance { get; set; }
public bool CompleteInstance { get; set; }
public IDictionary<Guid, IDictionary<XName, InstanceValue>> InstanceKeysToAssociate
{
get
{
if (this.keysToAssociate == null)
{
this.keysToAssociate = new Dictionary<Guid, IDictionary<XName, InstanceValue>>();
}
return this.keysToAssociate;
}
}
public ICollection<Guid> InstanceKeysToComplete
{
get
{
if (this.keysToComplete == null)
{
this.keysToComplete = new Collection<Guid>();
}
return this.keysToComplete;
}
}
public ICollection<Guid> InstanceKeysToFree
{
get
{
if (this.keysToFree == null)
{
this.keysToFree = new Collection<Guid>();
}
return this.keysToFree;
}
}
public IDictionary<XName, InstanceValue> InstanceMetadataChanges
{
get
{
if (this.instanceMetadataChanges == null)
{
this.instanceMetadataChanges = new Dictionary<XName, InstanceValue>();
}
return this.instanceMetadataChanges;
}
}
public IDictionary<Guid, IDictionary<XName, InstanceValue>> InstanceKeyMetadataChanges
{
get
{
if (this.keyMetadataChanges == null)
{
this.keyMetadataChanges = new Dictionary<Guid, IDictionary<XName, InstanceValue>>();
}
return this.keyMetadataChanges;
}
}
public IDictionary<XName, InstanceValue> InstanceData
{
get
{
if (this.instanceData == null)
{
this.instanceData = new Dictionary<XName, InstanceValue>();
}
return this.instanceData;
}
}
protected internal override bool IsTransactionEnlistmentOptional
{
get
{
return !CompleteInstance &&
(this.instanceData == null || this.instanceData.Count == 0) &&
(this.keyMetadataChanges == null || this.keyMetadataChanges.Count == 0) &&
(this.instanceMetadataChanges == null || this.instanceMetadataChanges.Count == 0) &&
(this.keysToFree == null || this.keysToFree.Count == 0) &&
(this.keysToComplete == null || this.keysToComplete.Count == 0) &&
(this.keysToAssociate == null || this.keysToAssociate.Count == 0);
}
}
protected internal override bool AutomaticallyAcquiringLock
{
get
{
return true;
}
}
protected internal override void Validate(InstanceView view)
{
if (!view.IsBoundToInstance)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.InstanceRequired));
}
if (!view.IsBoundToInstanceOwner)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.OwnerRequired));
}
if (this.keysToAssociate != null)
{
foreach (KeyValuePair<Guid, IDictionary<XName, InstanceValue>> key in this.keysToAssociate)
{
InstancePersistence.ValidatePropertyBag(key.Value);
}
}
if (this.keyMetadataChanges != null)
{
foreach (KeyValuePair<Guid, IDictionary<XName, InstanceValue>> key in this.keyMetadataChanges)
{
InstancePersistence.ValidatePropertyBag(key.Value, true);
}
}
if (this.CompleteInstance && !this.UnlockInstance)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.ValidateUnlockInstance));
}
InstancePersistence.ValidatePropertyBag(this.instanceMetadataChanges, true);
InstancePersistence.ValidatePropertyBag(this.instanceData);
}
}
}
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