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added a binding queue for oe to force one operation on a node at a time (#441)

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* added a binding queue for oe to force one operation on a node at a time

* setting node subtype to temporal for temporal tables

* disposing oe service on shutdown
This commit is contained in:
Leila Lali
2017-08-22 15:15:01 -07:00
committed by GitHub
parent d94dda4282
commit eb61423f89
9 changed files with 156 additions and 38 deletions
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12
src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/Nodes/TreeNode.cs
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@@ -46,7 +46,17 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Nodes
// some nodes may need to set it
NodeValue = value;
}
private object buildingMetadataLock = new object();
/// <summary>
/// Event which tells if MetadataProvider is built fully or not
/// </summary>
public object BuildingMetadataLock
{
get { return this.buildingMetadataLock; }
}
/// <summary>
/// Value describing this node
/// </summary>

85
src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/ObjectExplorerService.cs
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@@ -17,6 +17,7 @@ using Microsoft.SqlTools.Hosting;
using Microsoft.SqlTools.Hosting.Protocol;
using Microsoft.SqlTools.ServiceLayer.Connection;
using Microsoft.SqlTools.ServiceLayer.Connection.Contracts;
using Microsoft.SqlTools.ServiceLayer.LanguageServices;
using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Contracts;
using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Nodes;
using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel;
@@ -32,16 +33,19 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
/// The APIs used for this are modeled closely on the VSCode TreeExplorerNodeProvider API.
/// </summary>
[Export(typeof(IHostedService))]
public class ObjectExplorerService : HostedService<ObjectExplorerService>, IComposableService, IHostedService
public class ObjectExplorerService : HostedService<ObjectExplorerService>, IComposableService, IHostedService, IDisposable
{
internal const string uriPrefix = "objectexplorer://";
// Instance of the connection service, used to get the connection info for a given owner URI
private ConnectionService connectionService;
private IProtocolEndpoint serviceHost;
private ConcurrentDictionary<string, ObjectExplorerSession> sessionMap;
private readonly Lazy<Dictionary<string, HashSet<ChildFactory>>> applicableNodeChildFactories;
private IMultiServiceProvider serviceProvider;
private ConnectedBindingQueue bindingQueue = new ConnectedBindingQueue();
private const int PrepopulateBindTimeout = 10000;
/// <summary>
/// This timeout limits the amount of time that object explorer tasks can take to complete
@@ -83,8 +87,8 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
{
return new ReadOnlyCollection<string>(sessionMap.Keys.ToList());
}
}
}
/// <summary>
/// As an <see cref="IComposableService"/>, this will be set whenever the service is initialized
/// via an <see cref="IMultiServiceProvider"/>
@@ -198,7 +202,7 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
return true;
}
};
await HandleRequestAsync(expandNode, context, "HandleExpandRequest");
await HandleRequestAsync(expandNode, context, "HandleExpandRequest");
}
internal async Task HandleRefreshRequest(RefreshParams refreshParams, RequestContext<bool> context)
@@ -280,7 +284,7 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
}
}
private void RunCreateSessionTask(ConnectionDetails connectionDetails, string uri)
private void RunCreateSessionTask(ConnectionDetails connectionDetails, string uri)
{
Logger.Write(LogLevel.Normal, "Creating OE session");
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
@@ -288,9 +292,9 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
{
Task task = CreateSessionAsync(connectionDetails, uri, cancellationTokenSource.Token);
CreateSessionTask = task;
Task.Run(async () =>
Task.Run(async () =>
{
ObjectExplorerTaskResult result = await RunTaskWithTimeout(task,
ObjectExplorerTaskResult result = await RunTaskWithTimeout(task,
settings?.CreateSessionTimeout ?? ObjectExplorerSettings.DefaultCreateSessionTimeout);
if (result != null && !result.IsCompleted)
@@ -338,7 +342,7 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
RootNode = session.Root.ToNodeInfo(),
SessionId = uri,
ErrorMessage = session.ErrorMessage
};
await serviceHost.SendEvent(CreateSessionCompleteNotification.Type, response);
return response;
@@ -351,21 +355,54 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
{
return await Task.Factory.StartNew(() =>
{
NodeInfo[] nodes = null;
TreeNode node = session.Root.FindNodeByPath(nodePath);
if(node != null)
return QueueExpandNodeRequest(session, nodePath, forceRefresh);
});
}
internal ExpandResponse QueueExpandNodeRequest(ObjectExplorerSession session, string nodePath, bool forceRefresh = false)
{
NodeInfo[] nodes = null;
TreeNode node = session.Root.FindNodeByPath(nodePath);
ExpandResponse response = new ExpandResponse { Nodes = new NodeInfo[] { }, ErrorMessage = node.ErrorMessage, SessionId = session.Uri, NodePath = nodePath };
if (node != null && Monitor.TryEnter(node.BuildingMetadataLock, LanguageService.OnConnectionWaitTimeout))
{
try
{
if (forceRefresh)
QueueItem queueItem = bindingQueue.QueueBindingOperation(
key: session.Uri,
bindingTimeout: PrepopulateBindTimeout,
waitForLockTimeout: PrepopulateBindTimeout,
bindOperation: (bindingContext, cancelToken) =>
{
if (forceRefresh)
{
nodes = node.Refresh().Select(x => x.ToNodeInfo()).ToArray();
}
else
{
nodes = node.Expand().Select(x => x.ToNodeInfo()).ToArray();
}
response.Nodes = nodes;
response.ErrorMessage = node.ErrorMessage;
return response;
});
queueItem.ItemProcessed.WaitOne();
if (queueItem.GetResultAsT<ExpandResponse>() != null)
{
nodes = node.Refresh().Select(x => x.ToNodeInfo()).ToArray();
}
else
{
nodes = node.Expand().Select(x => x.ToNodeInfo()).ToArray();
response = queueItem.GetResultAsT<ExpandResponse>();
}
}
return new ExpandResponse { Nodes = nodes, ErrorMessage = node.ErrorMessage, SessionId = session.Uri, NodePath = nodePath };
});
catch
{
}
finally
{
Monitor.Exit(node.BuildingMetadataLock);
}
}
return response;
}
/// <summary>
@@ -590,6 +627,14 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer
public Exception Exception { get; set; }
}
public void Dispose()
{
if (bindingQueue != null)
{
bindingQueue.Dispose();
}
}
internal class ObjectExplorerSession
{
private ConnectionService connectionService;

9
src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/SmoModel/SmoColumnCustomNode.cs
View File

@@ -128,6 +128,15 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel
}
typeName += ")";
break;
case SqlDataType.Numeric:
case SqlDataType.Decimal:
typeName += $"({dataType.NumericPrecision},{dataType.NumericScale})";
break;
case SqlDataType.DateTime2:
case SqlDataType.Time:
case SqlDataType.DateTimeOffset:
typeName += $"({dataType.NumericScale})";
break;
}
}
return typeName;

20
src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/SmoModel/SmoTableCustomNode.cs
View File

@@ -29,6 +29,26 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel
return string.Empty;
}
public override string GetNodeSubType(object context)
{
try
{
Table table = context as Table;
if (table != null && table.TemporalType != TableTemporalType.None)
{
return "Temporal";
}
// return string.Empty;
}
catch
{
//Ignore the exception and just not change create custom name
}
return string.Empty;
}
}
/// <summary>

2
src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/SmoModel/TreeNodeDefinition.xml
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@@ -77,6 +77,7 @@
</Filters>
<Properties>
<Property Name="IsSystemVersioned" ValidFor="Sql2016|Sql2017|AzureV12"/>
<Property Name="TemporalType" ValidFor="Sql2016|Sql2017|AzureV12"/>
</Properties>
<Child Name="SystemTables" IsSystemObject="1"/>
<!--
@@ -201,6 +202,7 @@
<Value>IndexKeyType.DriUniqueKey</Value>
</Filter>
</Filters>
</Node>
<Node Name="Constraints" LocLabel="SR.SchemaHierarchy_Constraints" BaseClass="ModelBased" NodeType="Constraint" Strategy="ElementsInRelationship" ChildQuerierTypes="SqlDefaultConstraint;SqlCheck"/>
<Node Name="Triggers" LocLabel="SR.SchemaHierarchy_Triggers" BaseClass="ModelBased" Strategy="ElementsInRelationship" NodeType="Trigger" ChildQuerierTypes="SqlDmlTrigger" ValidFor="Sql2005|Sql2008|Sql2012|Sql2014|Sql2016|Sql2017|AzureV12"/>

29
src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/SmoModel/TreeNodeGenerator.cs
View File

@@ -1,13 +1,13 @@
using System;
using System.Collections.Generic;
using System.Composition;
using Microsoft.SqlServer.Management.Smo;
using Microsoft.SqlTools.ServiceLayer;
using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Nodes;
namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel
{
using System;
using System.Collections.Generic;
using System.Composition;
using Microsoft.SqlServer.Management.Smo;
using Microsoft.SqlTools.ServiceLayer;
using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Nodes;
namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel
{
internal sealed partial class DatabaseTreeNode : SmoTreeNode
{
public DatabaseTreeNode() : base()
@@ -775,6 +775,11 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel
Name = "IsSystemVersioned",
ValidFor = ValidForFlag.Sql2016|ValidForFlag.Sql2017|ValidForFlag.AzureV12
});
properties.Add(new NodeSmoProperty
{
Name = "TemporalType",
ValidFor = ValidForFlag.Sql2016|ValidForFlag.Sql2017|ValidForFlag.AzureV12
});
return properties;
}
}
@@ -3965,5 +3970,5 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel
}
}
}
}