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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 LoadWorkflowByInstanceKeyCommand : InstancePersistenceCommand
{
Dictionary<Guid, IDictionary<XName, InstanceValue>> keysToAssociate;
public LoadWorkflowByInstanceKeyCommand()
: base(InstancePersistence.ActivitiesCommandNamespace.GetName("LoadWorkflowByInstanceKey"))
{
}
public bool AcceptUninitializedInstance { get; set; }
public Guid LookupInstanceKey { get; set; }
public Guid AssociateInstanceKeyToInstanceId { 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;
}
}
protected internal override bool IsTransactionEnlistmentOptional
{
get
{
return (this.keysToAssociate == null || this.keysToAssociate.Count == 0) && AssociateInstanceKeyToInstanceId == Guid.Empty;
}
}
protected internal override bool AutomaticallyAcquiringLock
{
get
{
return true;
}
}
protected internal override void Validate(InstanceView view)
{
if (!view.IsBoundToInstanceOwner)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.OwnerRequired));
}
if (view.IsBoundToInstance)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.AlreadyBoundToInstance));
}
if (LookupInstanceKey == Guid.Empty)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.LoadOpKeyMustBeValid));
}
if (AssociateInstanceKeyToInstanceId == Guid.Empty)
{
if (InstanceKeysToAssociate.ContainsKey(LookupInstanceKey))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.LoadOpAssociateKeysCannotContainLookupKey));
}
}
else
{
if (!AcceptUninitializedInstance)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SRCore.LoadOpFreeKeyRequiresAcceptUninitialized));
}
}
if (this.keysToAssociate != null)
{
foreach (KeyValuePair<Guid, IDictionary<XName, InstanceValue>> key in this.keysToAssociate)
{
InstancePersistence.ValidatePropertyBag(key.Value);
}
}
}
}
}
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