Esempio n. 1
0
        internal void UpdateCompleteObject(DataServiceQueryProvider.ResultSetCollection resultSets)
        {
            DataServiceQueryProvider.ResultSet resultSet = null;
            Tracer tracer = new Tracer();

            if (resultSets == null || !resultSets.TryGetValue(this.ResourceType.Name, out resultSet))
            {
                tracer.DebugMessage(string.Concat("UpdateCompleteObject: result set ", this.ResourceType.Name, " not found"));
                throw new PowerShellWebServiceException(string.Concat("no result set named ", this.ResourceType.Name));
            }
            else
            {
                this.completeObject = resultSet.FirstOrDefault <DSResource>((DSResource item) => this.MatchKeyProperties(item));
                if (this.completeObject != null)
                {
                    tracer.DebugMessage("UpdateCompleteObject: found complete object");
                    return;
                }
                else
                {
                    tracer.DebugMessage("UpdateCompleteObject: no match for key properties of this object");
                    throw new PowerShellWebServiceException(string.Concat("no matching instance in result set named", this.ResourceType.Name));
                }
            }
        }
Esempio n. 2
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        internal Expression ProcessNestedWhereOfResourceRoot(Expression rootExpression, MethodCallExpression whereExpression, bool insideNavPropertyWithGetReferenceCmdlet = false)
        {
            ICommand       referenceInstanceBuilderCommand;
            ResourceType   initialResourceType = this.GetInitialResourceType();
            EntityMetadata item = this.schema.EntityMetadataDictionary[initialResourceType.FullName];

            DataServiceQueryProvider.ResultSet resultSet = new DataServiceQueryProvider.ResultSet(initialResourceType);
            Expression expression = null;

            if (insideNavPropertyWithGetReferenceCmdlet)
            {
                referenceInstanceBuilderCommand = new ReferenceInstanceBuilderCommand(initialResourceType, item);
            }
            else
            {
                referenceInstanceBuilderCommand = DataServiceController.Current.GetCommand(CommandType.Read, this.userContext, initialResourceType, item, this.membershipId);
            }
            using (referenceInstanceBuilderCommand)
            {
                UriParametersHelper.AddParametersToCommand(referenceInstanceBuilderCommand, DataServiceController.Current.GetCurrentResourceUri());
                this.TryAddingAllExpressions(rootExpression, whereExpression, referenceInstanceBuilderCommand, resultSet, out expression);
                this.InvokeCommandWithQuota(referenceInstanceBuilderCommand, resultSet);
            }
            IQueryable <DSResource> dSResources            = resultSet.AsQueryable <DSResource>();
            ExpressionNodeReplacer  expressionNodeReplacer = new ExpressionNodeReplacer(expression, Expression.Constant(dSResources));
            Expression expression1 = expressionNodeReplacer.Visit(rootExpression);

            return(expression1);
        }
Esempio n. 3
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        internal Expression ProcessSelectExpansion(Expression rootExpression, MethodCallExpression selectExpression)
        {
            LambdaExpression operand = (LambdaExpression)((UnaryExpression)selectExpression.Arguments[1]).Operand;

            operand = (LambdaExpression)PartialEvaluator.Eval(operand);
            List <ResourceProperty> refPropertiesUsed = GetRefPropertiesUsed(operand);
            IQueryable <DSResource> source            = this.EvaluateByLinqToObjects(selectExpression.Arguments[0]) as IQueryable <DSResource>;

            foreach (ResourceProperty property in refPropertiesUsed)
            {
                ResourceType resourceType = property.ResourceType;
                DataServiceQueryProvider.ResultSet associatedInstances = this.GetAssociatedInstances(source, property);
                DataServiceQueryProvider.ResultSet set2 = null;
                if (this.resultSets.TryGetValue(resourceType.Name, out set2))
                {
                    set2.Concat <DSResource>(associatedInstances);
                }
                else
                {
                    this.resultSets[resourceType.Name] = associatedInstances;
                }
            }
            MethodCallExpression expression = new DSMethodTranslatingVisitor(this.resultSets).VisitAndConvert <MethodCallExpression>(selectExpression, "ProcessSelectExpansion");
            object obj2     = source.Provider.CreateQuery(expression);
            var    ___Site4 = CallSite <Func <CallSite, Type, MethodCallExpression, object, ExpressionNodeReplacer> > .Create(Microsoft.CSharp.RuntimeBinder.Binder.InvokeConstructor(CSharpBinderFlags.None, typeof(DSLinqQueryProvider), new CSharpArgumentInfo[] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.IsStaticType | CSharpArgumentInfoFlags.UseCompileTimeType, null), CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.UseCompileTimeType, null), CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) }));

            return(___Site4.Target(___Site4, typeof(ExpressionNodeReplacer), selectExpression, Expression.Constant((dynamic)obj2)).Visit(rootExpression));
        }
Esempio n. 4
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        internal Expression ProcessWhereWithResourceRoot(Expression rootExpression, MethodCallExpression whereExpression, bool insideNavPropertyWithGetReferenceCmdlet = false)
        {
            ICommand         command;
            LambdaExpression operand = (LambdaExpression)((UnaryExpression)whereExpression.Arguments[1]).Operand;

            operand = (LambdaExpression)PartialEvaluator.Eval(operand);
            ResourceType   initialResourceType = this.GetInitialResourceType();
            EntityMetadata entityMetadatum     = this.schema.EntityMetadataDictionary[initialResourceType.FullName];

            if (!insideNavPropertyWithGetReferenceCmdlet)
            {
                command = DataServiceController.Current.GetCommand(CommandType.Read, this.userContext, initialResourceType, entityMetadatum, this.membershipId);
            }
            else
            {
                command = new ReferenceInstanceBuilderCommand(initialResourceType, entityMetadatum);
            }
            DataServiceQueryProvider.ResultSet resultSet = null;
            using (command)
            {
                operand = this.InvokeFilteredGet(command, initialResourceType, operand, out resultSet);
            }
            DSMethodTranslatingVisitor dSMethodTranslatingVisitor = new DSMethodTranslatingVisitor(this.resultSets);

            operand = dSMethodTranslatingVisitor.VisitAndConvert <LambdaExpression>(operand, "ProcessWhereWithResourceRoot");
            Func <DSResource, bool> func                   = (Func <DSResource, bool>)operand.Compile();
            IQueryable <DSResource> dSResources            = resultSet.Where <DSResource>((DSResource item) => func(item)).AsQueryable <DSResource>();
            ExpressionNodeReplacer  expressionNodeReplacer = new ExpressionNodeReplacer(whereExpression, Expression.Constant(dSResources));
            Expression expression = expressionNodeReplacer.Visit(rootExpression);

            return(expression);
        }
Esempio n. 5
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 private DSLinqQueryProvider(Microsoft.Management.Odata.Schema.Schema schema, ResourceType root, UserContext userContext, string membershipId, DataServiceQueryProvider.ResultSetCollection resultSets)
 {
     this.schema = schema;
     this.initialResourceRoot = new DataServiceQueryProvider.ResultSet(root);
     this.initialQueryable    = this.initialResourceRoot.AsQueryable <DSResource>();
     this.resultSets          = resultSets;
     this.userContext         = userContext;
     this.membershipId        = membershipId;
 }
Esempio n. 6
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        internal Expression ProcessResourceRoot(Expression rootExpression, ConstantExpression whereExpression)
        {
            ResourceType resourceType = this.initialResourceRoot.ResourceType;

            DataServiceQueryProvider.ResultSet resultSet = null;
            EntityMetadata item    = this.schema.EntityMetadataDictionary[resourceType.FullName];
            ICommand       command = DataServiceController.Current.GetCommand(CommandType.Read, this.userContext, resourceType, item, this.membershipId);

            using (command)
            {
                this.InvokeFilteredGet(command, resourceType, null, out resultSet);
            }
            IQueryable <DSResource> dSResources            = resultSet.AsQueryable <DSResource>();
            ExpressionNodeReplacer  expressionNodeReplacer = new ExpressionNodeReplacer(whereExpression, Expression.Constant(dSResources));
            Expression expression = expressionNodeReplacer.Visit(rootExpression);

            return(expression);
        }
Esempio n. 7
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        internal LambdaExpression InvokeFilteredGet(ICommand command, ResourceType originType, LambdaExpression filter, out DataServiceQueryProvider.ResultSet resultSet)
        {
            LambdaExpression lambdaExpression;

            using (OperationTracer operationTracer = new OperationTracer("ProcessExpression"))
            {
                LambdaExpression lambdaExpression1 = null;
                //this.schema.EntityMetadataDictionary[originType.FullName];
                resultSet = new DataServiceQueryProvider.ResultSet(originType);
                UriParametersHelper.AddParametersToCommand(command, DataServiceController.Current.GetCurrentResourceUri());
                if (filter != null)
                {
                    CommandArgumentVisitor commandArgumentVisitor = new CommandArgumentVisitor(command);
                    lambdaExpression1 = commandArgumentVisitor.VisitAndConvert <LambdaExpression>(filter, "InvokeFilteredGet");
                }
                this.InvokeCommandWithQuota(command, resultSet);
                lambdaExpression = lambdaExpression1;
            }
            return(lambdaExpression);
        }
Esempio n. 8
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 private void InvokeCommandWithQuota(ICommand command, DataServiceQueryProvider.ResultSet resultSet)
 {
     try
     {
         if (command.GetType() != typeof(ReferenceInstanceBuilderCommand))
         {
             DataServiceController.Current.QuotaSystem.CheckCmdletExecutionQuota(this.userContext);
         }
         IEnumerator <DSResource> enumerator = command.InvokeAsync(new List <DSResource>().AsQueryable <DSResource>().Expression, true);
         while (enumerator.MoveNext())
         {
             resultSet.Add(enumerator.Current);
         }
     }
     catch (Exception exception1)
     {
         Exception exception = exception1;
         Tracer    tracer    = new Tracer();
         tracer.ExceptionMessage(exception.Message);
         throw;
     }
 }
Esempio n. 9
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 internal bool TryAddingAllExpressions(Expression rootExpression, Expression baseExpression, ICommand command, DataServiceQueryProvider.ResultSet resultSet, out Expression nodeToReplace)
 {
     if (!ExpressionHelper.IsResourceRoot(baseExpression, this.initialQueryable))
     {
         MethodCallExpression methodCallExpression = baseExpression as MethodCallExpression;
         bool flag = this.TryAddingAllExpressions(rootExpression, methodCallExpression.Arguments[0], command, resultSet, out nodeToReplace);
         if (!flag)
         {
             return(false);
         }
         else
         {
             LambdaExpression operand = (LambdaExpression)((UnaryExpression)methodCallExpression.Arguments[1]).Operand;
             operand = (LambdaExpression)PartialEvaluator.Eval(operand);
             CommandArgumentVisitor commandArgumentVisitor = new CommandArgumentVisitor(command);
             operand = commandArgumentVisitor.VisitAndConvert <LambdaExpression>(operand, "TryAddingAllExpressions");
             if (!ExpressionHelper.IsConstantTrue(operand.Body))
             {
                 return(false);
             }
             else
             {
                 nodeToReplace = methodCallExpression;
                 return(true);
             }
         }
     }
     else
     {
         nodeToReplace = baseExpression;
         return(true);
     }
 }
Esempio n. 10
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        internal DataServiceQueryProvider.ResultSet GetAssociatedInstances(IQueryable <DSResource> source, ResourceProperty property)
        {
            EntityMetadata entityMetadatum = null;

            DataServiceQueryProvider.ResultSet resultSet;
            using (OperationTracer operationTracer = new OperationTracer("ProcessExpression"))
            {
                if (this.schema.EntityMetadataDictionary.TryGetValue(property.ResourceType.FullName, out entityMetadatum))
                {
                    DataServiceQueryProvider.ResultSet resultSet1 = new DataServiceQueryProvider.ResultSet(property.ResourceType);
                    IEnumerable <DSResource>           uniqueKeys = this.GetUniqueKeys(source, property);
                    foreach (DSResource uniqueKey in uniqueKeys)
                    {
                        if (!uniqueKey.ContainsNonKeyProperties)
                        {
                            ICommand command = DataServiceController.Current.GetCommand(CommandType.Read, this.userContext, property.ResourceType, entityMetadatum, this.membershipId);
                            using (command)
                            {
                                UriParametersHelper.AddParametersToCommand(command, DataServiceController.Current.GetCurrentResourceUri());
                                foreach (ResourceProperty keyProperty in property.ResourceType.KeyProperties)
                                {
                                    if (command.AddFieldParameter(keyProperty.Name, uniqueKey.GetValue(keyProperty.Name, null)))
                                    {
                                        continue;
                                    }
                                    object[] name = new object[2];
                                    name[0] = property.ResourceType.Name;
                                    name[1] = keyProperty.Name;
                                    string str = string.Format(CultureInfo.CurrentCulture, Resources.KeyParameterFailed, name);
                                    throw new NotImplementedException(str);
                                }
                                try
                                {
                                    DataServiceController.Current.QuotaSystem.CheckCmdletExecutionQuota(this.userContext);
                                    IEnumerator <DSResource> enumerator = command.InvokeAsync(new List <DSResource>().AsQueryable <DSResource>().Expression, true);
                                    while (enumerator.MoveNext())
                                    {
                                        resultSet1.Add(enumerator.Current);
                                    }
                                }
                                catch (Exception exception1)
                                {
                                    Exception exception = exception1;
                                    Tracer    tracer    = new Tracer();
                                    tracer.ExceptionMessage(exception.Message);
                                    throw;
                                }
                            }
                        }
                        else
                        {
                            resultSet1.Add(uniqueKey);
                        }
                    }
                    resultSet = resultSet1;
                }
                else
                {
                    object[] objArray = new object[1];
                    objArray[0] = property.Name;
                    throw new UnauthorizedAccessException(ExceptionHelpers.GetExceptionMessage(Resources.NoAccessToNavProperty, objArray));
                }
            }
            return(resultSet);
        }