/// <summary>
/// TODO: I don't like how this is public.
/// </summary>
public void ProcessDelayedActions()
{
if (InProcessNode != null)
{
TransactionFramework.TransactionChain chain = new TransactionFramework.TransactionChain();
InProcessNode.DelayedActions.CreateTransactions(ref chain);
foreach (IMetadataSet metadataSet in Metadata)
{
FacadeMetadataSet facadeMetadataSet = metadataSet as FacadeMetadataSet;
if (facadeMetadataSet != null)
{
SoapMetadataSet soapMetadataSet = facadeMetadataSet.BaseMetadata as SoapMetadataSet;
if (soapMetadataSet != null)
{
soapMetadataSet.ProcessDelayedActions(ref chain);
}
}
}
MapManager.ExecuteTransaction(chain);
}
}
public void ProcessDelayedActions(ref TransactionFramework.TransactionChain chain)
{
if (InProcessMetadata != null)
{
InProcessMetadata.DelayedActions.CreateTransactions(ref chain);
}
}
public void ExecuteTransaction(TransactionFramework.TransactionChain transactionChain)
{
/// TODO: Need to figure why this is happening for the re-alignment code.
/// TODO: Probably should add a warning in the debugger to indicate there is a potential performance problem if there are too many chains with empty transactions.
if (transactionChain.NumOfTransactions <= 0)
{
return;
}
TransactionFramework.ISoapTransactionLinkExecutor executor = transactionChain;
if (executor == null)
{
throw new NotSupportedException("This is not a supported type of link. This link does not implement ISoapTransactionLinkExecutor.");
}
lock (_executionThreadsLock)
{
ExecutionThreads.AddTransactionChain(transactionChain);
if (_isInProcess)
{
executor = null;
}
else
{
ExecutionThreads.MoveToNextChain();
_isInProcess = true;
}
}
if (MapManagerActivityStatusUpdated != null)
{
MapManagerActivityEventArgs status = new MapManagerActivityEventArgs();
status.TransactionsLeft = ExecutionThreads.Count + 1;
status.Status = ActivityStatusEnum.Busy;
MapManagerActivityStatusUpdated.Invoke(this, status);
}
if (executor != null)
{
/// TODO: Remove the following
TransactionFramework.TransactionChain chain = executor as TransactionFramework.TransactionChain;
if (chain != null)
{
System.Diagnostics.Debug.WriteLine(chain.ChainId);
}
///
executor.TransactionFailed += OnTransactionFailed;
executor.TransactionCompleted += OnTransactionCompleted;
executor.ExecuteTransaction(Guid.Empty, ServiceProxy);
}
}
/// <summary>
/// TODO: I don't like how this is public.
/// </summary>
public void ProcessDelayedActions()
{
if (InProcessRelationship != null)
{
TransactionFramework.TransactionChain chain = new TransactionFramework.TransactionChain();
InProcessRelationship.DelayedActions.CreateTransactions(ref chain);
MapManager.ExecuteTransaction(chain);
}
}
public override void Delete(ref TransactionFramework.TransactionChain chain)
{
MapManager.RelationshipFactory.DeleteRelationship(this);
TransactionFramework.DeleteRelationshipTransactionLink deleteRelationship = new TransactionFramework.DeleteRelationshipTransactionLink();
deleteRelationship.DomainId = DomainId;
deleteRelationship.MapManager = MapManager;
deleteRelationship.Relationship = this;
chain.AddTransaction(deleteRelationship);
}
public override void Delete(ref TransactionFramework.TransactionChain chain)
{
MapManager.NodeFactory.DeleteNode(this);
TransactionFramework.DeleteNodeTransactionLink deleteNode = new TransactionFramework.DeleteNodeTransactionLink();
deleteNode.DomainId = DomainId;
deleteNode.MapManager = MapManager;
deleteNode.Node = this;
chain.AddTransaction(deleteNode);
}
public override void Update(NodeType nodeType, ref TransactionFramework.TransactionChain chain)
{
NodeType = nodeType;
if (LastUpdateNode != null && LastUpdateNode.TransactionStatus == TransactionFramework.ServerStatus.ProcessingClient)
{
LastUpdateNode.NodeType = nodeType;
}
else
{
LastUpdateNode = CreateNewUpdateNode(nodeType);
chain.AddTransaction(LastUpdateNode);
}
chain.TransactionExecuting += OnTransactionExecuting;
}
public void ExecuteTransactions(Queue <TransactionFramework.TransactionChain> chains)
{
TransactionFramework.TransactionChain firstChain = null;
lock (_executionThreadsLock)
{
while (chains.Count > 0)
{
TransactionFramework.TransactionChain chain = chains.Dequeue();
/// TODO: Need to figure why this is happening for the re-alignment code.
/// TODO: Probably should add a warning in the debugger to indicate there is a potential performance problem if there are too many chains with empty transactions.
if (chain.NumOfTransactions <= 0)
{
continue;
}
if (firstChain == null)
{
firstChain = chain;
ExecutionThreads.AddTransactionChain(firstChain);
if (_isInProcess)
{
firstChain = null;
}
else
{
ExecutionThreads.MoveToNextChain();
_isInProcess = true;
}
}
else
{
ExecutionThreads.AddTransactionChain(chain);
}
}
}
if (firstChain != null)
{
firstChain.TransactionFailed += OnTransactionFailed;
firstChain.TransactionCompleted += OnTransactionCompleted;
firstChain.ExecuteTransaction(Guid.Empty, ServiceProxy);
}
}
public override void ConnectNode(ConnectionType connectionType, INode node, ref TransactionFramework.TransactionChain chain)
{
base.ConnectNode(connectionType, node, ref chain);
if (LastUpdateRelationship != null && LastUpdateRelationship.TransactionStatus == TransactionFramework.ServerStatus.ProcessingClient)
{
LastUpdateRelationship.AddNode(connectionType, node);
}
else
{
LastUpdateRelationship = CreateNewUpdateRelationship();
LastUpdateRelationship.AddNode(connectionType, node);
chain.AddTransaction(LastUpdateRelationship);
}
chain.TransactionExecuting += OnTransactionExecuting;
}
public override void Update(RelationshipType relationshipType, ref TransactionFramework.TransactionChain chain)
{
RelationshipType = relationshipType;
if (LastUpdateRelationship != null && LastUpdateRelationship.TransactionStatus == TransactionFramework.ServerStatus.ProcessingClient)
{
LastUpdateRelationship.RelationshipType = relationshipType;
}
else
{
LastUpdateRelationship = CreateNewUpdateRelationship();
LastUpdateRelationship.RelationshipType = relationshipType;
chain.AddTransaction(LastUpdateRelationship);
}
chain.TransactionExecuting += OnTransactionExecuting;
}
private void OnTransactionChainFacadesCompleted(object sender, System.EventArgs e)
{
TransactionFramework.DependencyCollection dependencies = sender as TransactionFramework.DependencyCollection;
if (dependencies == null)
{
return;
}
TransactionFramework.TransactionChain chain = dependencies.State as TransactionFramework.TransactionChain;
if (chain == null)
{
return;
}
IncompleteExecutionThreads.Remove(chain);
ExecuteTransaction(chain);
}
public void ForceTransactionReExecution()
{
TransactionFramework.ISoapTransactionLinkExecutor executor = null;
if (_executionThreadsLock == null || ExecutionThreads == null || ExecutionThreads.CurrentChain == null || ExecutionThreads.CurrentChain.End == null)
{
return;
}
TransactionFramework.TransactionChain transactionChain = ExecutionThreads.CurrentChain;
transactionChain.Reset();
/// If the last transaction is in one of the post execution states and the user has requested to force the commit,
/// then it means we should attempt to do the current transaction again as something appears to have happened to
/// cause the previous attempt to hang.
if (transactionChain.End.TransactionStatus == TransactionFramework.ServerStatus.TransactionCompleted || transactionChain.End.TransactionStatus == TransactionFramework.ServerStatus.TransactionReceived || transactionChain.End.TransactionStatus == TransactionFramework.ServerStatus.TransactionFailed)
{
executor = ExecutionThreads.CurrentChain;
/// Debug lines
/// TODO: Remove the following
if (transactionChain != null)
{
System.Diagnostics.Debug.WriteLine(transactionChain.ChainId);
}
///
if (MapManagerActivityStatusUpdated != null)
{
MapManagerActivityEventArgs status = new MapManagerActivityEventArgs();
status.TransactionsLeft = ExecutionThreads.Count + 1;
status.Status = ActivityStatusEnum.Busy;
MapManagerActivityStatusUpdated.Invoke(this, status);
}
executor.ExecuteTransaction(Guid.Empty, ServiceProxy);
}
}
public virtual void ConnectNode(ConnectionType connectionType, INode node, ref Soap.TransactionFramework.TransactionChain chain)
{
InProcess.InProcessRelationship inProcessRelationship = this as InProcess.InProcessRelationship;
ConnectionSet connectionSet;
if (inProcessRelationship != null)
{
connectionSet = ConnectionSetFactory.Instance.GetConnection(node, inProcessRelationship.Facade, connectionType);
}
else
{
connectionSet = ConnectionSetFactory.Instance.GetConnection(node, this, connectionType);
}
INodeManager nodes = Nodes;
nodes.Load(connectionSet);
IRelationshipManager relationships = node.Relationships;
relationships.Load(connectionSet);
}
public override void Delete(ref TransactionFramework.TransactionChain chain)
{
base.Delete(ref chain);
TransactionFramework.DeleteMetadataTransactionLink deleteMetadataTransction = new TransactionFramework.DeleteMetadataTransactionLink();
if (Node != null)
{
deleteMetadataTransction.DomainId = Node.DomainId;
}
else if (Relationship != null)
{
deleteMetadataTransction.DomainId = Relationship.DomainId;
}
deleteMetadataTransction.MapManager = MapManager;
deleteMetadataTransction.Metadata = this;
chain.AddTransaction(deleteMetadataTransction);
/// TODO: Need to consider whether the following should be done here. It was originally done in the base but this really shouldn't happen for an InProcessMetadata as when add transaction
/// returns (for the InProcessMetadata transaction link) the delete transaction still needs to occur.
MetadataSetFactory.GetInstance(MapManager).Remove(this);
}
public override void Update(string name, string value, INode node, IRelationship relationship, ConnectionType connectionType, ref TransactionFramework.TransactionChain chain)
{
base.Update(name, value, node, relationship, connectionType, ref chain);
TransactionFramework.UpdateMetadataTransactionLink updateMetadataTransaction = new TransactionFramework.UpdateMetadataTransactionLink();
if (Node != null)
{
updateMetadataTransaction.DomainId = Node.DomainId;
}
else if (Relationship != null)
{
updateMetadataTransaction.DomainId = Relationship.DomainId;
}
updateMetadataTransaction.MapManager = MapManager;
updateMetadataTransaction.Metadata = this;
updateMetadataTransaction.Name = name;
updateMetadataTransaction.Value = value;
chain.AddTransaction(updateMetadataTransaction);
}
private void OnTransactionCompleted(object sender, Service.CompleteTransactionCompletedEventArgs e)
{
TransactionFramework.ISoapTransactionLinkExecutor executor = null;
lock (_executionThreadsLock)
{
if (e.Error != null)
{
/// An error occurred so let's retry the transaction.
executor = ExecutionThreads.CurrentChain;
}
while (executor == null && ExecutionThreads.Count > 0)
{
_isInProcess = true;
executor = ExecutionThreads.MoveToNextChain();
executor.UpdateDependencies();
if (executor.Dependencies.IsCompleted)
{
executor.TransactionFailed += OnTransactionFailed;
executor.TransactionCompleted += OnTransactionCompleted;
}
else
{
IncompleteExecutionThreads.Add(executor);
executor.Dependencies.FacadesCompleted += OnTransactionChainFacadesCompleted;
executor = null;
}
}
}
if (executor != null)
{
/// TODO: Remove the following
TransactionFramework.TransactionChain chain = executor as TransactionFramework.TransactionChain;
if (chain != null)
{
System.Diagnostics.Debug.WriteLine(chain.ChainId);
}
///
if (MapManagerActivityStatusUpdated != null)
{
MapManagerActivityEventArgs status = new MapManagerActivityEventArgs();
status.TransactionsLeft = ExecutionThreads.Count + 1;
status.Status = ActivityStatusEnum.Busy;
MapManagerActivityStatusUpdated.Invoke(this, status);
}
executor.ExecuteTransaction(Guid.Empty, ServiceProxy);
}
else
{
_isInProcess = false;
if (MapManagerActivityStatusUpdated != null)
{
MapManagerActivityEventArgs status = new MapManagerActivityEventArgs();
status.TransactionsLeft = 0;
status.Status = ActivityStatusEnum.Idle;
MapManagerActivityStatusUpdated.Invoke(this, status);
}
}
}
public abstract void Delete(ref Soap.TransactionFramework.TransactionChain chain);
public INode CreateNode(Guid domainId, Guid rootMapId, NodeType nodeType, string originalId, ref TransactionFramework.TransactionChain chain)
{
TransactionFramework.AddNodeTransactionLink createNodeTransaction = new TransactionFramework.AddNodeTransactionLink();
createNodeTransaction.MapManager = this;
createNodeTransaction.DomainId = domainId;
createNodeTransaction.RootMapId = rootMapId;
createNodeTransaction.NodeType = nodeType;
createNodeTransaction.OriginalId = originalId;
chain.AddTransaction(createNodeTransaction);
INode node = createNodeTransaction.CreateInProcessObjects();
return(node);
}
public abstract void Update(NodeType nodeType, ref Soap.TransactionFramework.TransactionChain chain);
public void ConnectNode(ConnectionType connectionType, INode node, ref TransactionFramework.TransactionChain chain)
{
BaseRelationship.ConnectNode(connectionType, node, ref chain);
}
public IRelationship CreateRelationship(Guid domainId, Guid rootMapId, RelationshipType relationshipType, string originalId, ref TransactionFramework.TransactionChain chain)
{
TransactionFramework.AddRelationshipTransactionLink createRelationshipTransaction = new TransactionFramework.AddRelationshipTransactionLink();
createRelationshipTransaction.MapManager = this;
createRelationshipTransaction.DomainId = domainId;
createRelationshipTransaction.RootMapId = rootMapId;
createRelationshipTransaction.RelationshipType = relationshipType;
createRelationshipTransaction.OriginalId = originalId;
chain.AddTransaction(createRelationshipTransaction);
IRelationship relationship = createRelationshipTransaction.CreateInProcessObjects();
return(relationship);
}
public void Update(RelationshipType relationshipType, ref TransactionFramework.TransactionChain chain)
{
BaseRelationship.Update(relationshipType, ref chain);
}
public void Delete(ref TransactionFramework.TransactionChain chain)
{
BaseNode.Delete(ref chain);
}
public void Update(NodeType nodeType, ref TransactionFramework.TransactionChain chain)
{
BaseNode.Update(nodeType, ref chain);
}
public abstract void Update(RelationshipType relationshipType, ref Soap.TransactionFramework.TransactionChain chain);
public void Delete(ref TransactionFramework.TransactionChain chain)
{
BaseRelationship.Delete(ref chain);
}