SaveWorkflowCommand.cs source code in C# .NET

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                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.Activities / System / Activities / DurableInstancing / SaveWorkflowCommand.cs / 1305376 / SaveWorkflowCommand.cs
                        
                        
                            //---------------------------------------------------------------- 
// 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> keysToAssociate; 
        Collection keysToComplete;
        Collection keysToFree; 

        Dictionary instanceData;

        Dictionary instanceMetadataChanges; 
        Dictionary> keyMetadataChanges;
 
        public SaveWorkflowCommand() 
            : base(InstancePersistence.ActivitiesCommandNamespace.GetName("SaveWorkflow"))
        { 
        }

        public bool UnlockInstance { get; set; }
        public bool CompleteInstance { get; set; } 

        public IDictionary> InstanceKeysToAssociate 
        { 
            get
            { 
                if (this.keysToAssociate == null)
                {
                    this.keysToAssociate = new Dictionary>();
                } 
                return this.keysToAssociate;
            } 
        } 

        public ICollection InstanceKeysToComplete 
        {
            get
            {
                if (this.keysToComplete == null) 
                {
                    this.keysToComplete = new Collection(); 
                } 
                return this.keysToComplete;
            } 
        }

        public ICollection InstanceKeysToFree
        { 
            get
            { 
                if (this.keysToFree == null) 
                {
                    this.keysToFree = new Collection(); 
                }
                return this.keysToFree;
            }
        } 

        public IDictionary InstanceMetadataChanges 
        { 
            get
            { 
                if (this.instanceMetadataChanges == null)
                {
                    this.instanceMetadataChanges = new Dictionary();
                } 
                return this.instanceMetadataChanges;
            } 
        } 

        public IDictionary> InstanceKeyMetadataChanges 
        {
            get
            {
                if (this.keyMetadataChanges == null) 
                {
                    this.keyMetadataChanges = new Dictionary>(); 
                } 
                return this.keyMetadataChanges;
            } 
        }

        public IDictionary InstanceData
        { 
            get
            { 
                if (this.instanceData == null) 
                {
                    this.instanceData = new Dictionary(); 
                }
                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> key in this.keysToAssociate) 
                { 
                    InstancePersistence.ValidatePropertyBag(key.Value);
                } 
            }

            if (this.keyMetadataChanges != null)
            { 
                foreach (KeyValuePair> 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);
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SaveWorkflowCommand.cs source code in C# .NET

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