C# Class Microsoft.Data.Services.Toolkit.QueryModel.ODataExpressionVisitor

Parses the OData query expression tree and generates the proper ODataQueryOperation.

Inheritance: System.Linq.Expressions.ExpressionVisitor

Public Methods

Method	Description
Eval ( ) : ODataQueryOperation	Evaluates the OData query Expression.
ODataExpressionVisitor ( Expression expression ) : System	Initializes a new instance of the ODataExpressionVisitor class.

Method	Description
HandleCount ( ) : void	Enqueue a new operation tuple with the 'Count' value name.
HandleOrder ( Expression node, string methodName ) : void	Enqueue a new operation tuple with the 'Order' value name, the given expression and the method name.
HandleSelect ( Expression node ) : void	Enqueue a new operation tuple with the 'SelectMany' or 'Select' value name and the given expression.
HandleSelectMany ( Expression node ) : void	Enqueue a new operation tuple with the 'SelectMany' value name and the given expression.
HandleSkip ( Expression node ) : void	Enqueue a new operation tuple with the 'Skip' value name and the given expression.
HandleTop ( Expression node ) : void	Enqueue a new operation tuple with the 'Take' value name and the given expression.
HandleWhere ( Expression node ) : void	Enqueue a new operation tuple with the 'Where' value name and the given expression.
VisitConstant ( ConstantExpression node ) : Expression	Enqueue a new operation tuple with the 'Root' value name and the given expression.
VisitMethodCall ( MethodCallExpression node ) : Expression	Parses the MethodCallExpression to enqueue a new operation tuple based on the expression method name.

Method	Description
CreateGetOneQuery ( Queue operations, OperationTuple item, LambdaExpression projectionExpression, Type projectionType, PropertyDetails>.IDictionary projectedProperties ) : Microsoft.Data.Services.Toolkit.QueryModel.ODataSelectOneQueryOperation
EvalForQueue ( Queue tuples ) : ODataQueryOperation	Evaluates the OperationTuple queue to return a proper ODataQueryOperation.

Evaluates the OData query Expression.

public Eval ( ) : ODataQueryOperation
return	ODataQueryOperation

Enqueue a new operation tuple with the 'Count' value name.

protected HandleCount ( ) : void
return	void

Enqueue a new operation tuple with the 'Order' value name, the given expression and the method name.

protected HandleOrder ( Expression node, string methodName ) : void
node	System.Linq.Expressions.Expression	The operation tuple .
methodName	string	The method name.
return	void

Enqueue a new operation tuple with the 'SelectMany' or 'Select' value name and the given expression.

protected HandleSelect ( Expression node ) : void
node	System.Linq.Expressions.Expression	The operation tuple .
return	void

Enqueue a new operation tuple with the 'SelectMany' value name and the given expression.

protected HandleSelectMany ( Expression node ) : void
node	System.Linq.Expressions.Expression	The operation tuple .
return	void

Enqueue a new operation tuple with the 'Skip' value name and the given expression.

protected HandleSkip ( Expression node ) : void
node	System.Linq.Expressions.Expression	The operation tuple .
return	void

Enqueue a new operation tuple with the 'Take' value name and the given expression.

protected HandleTop ( Expression node ) : void
node	System.Linq.Expressions.Expression	The operation tuple .
return	void

Enqueue a new operation tuple with the 'Where' value name and the given expression.

protected HandleWhere ( Expression node ) : void
node	System.Linq.Expressions.Expression	The operation tuple .
return	void

Initializes a new instance of the ODataExpressionVisitor class.

public ODataExpressionVisitor ( Expression expression ) : System
expression	System.Linq.Expressions.Expression	The initial to be parsed.
return	System

Enqueue a new operation tuple with the 'Root' value name and the given expression.

protected VisitConstant ( ConstantExpression node ) : Expression
node	System.Linq.Expressions.ConstantExpression	The operation tuple .
return	System.Linq.Expressions.Expression

Parses the MethodCallExpression to enqueue a new operation tuple based on the expression method name.

protected VisitMethodCall ( MethodCallExpression node ) : Expression
node	System.Linq.Expressions.MethodCallExpression	The node to be parsed.
return	System.Linq.Expressions.Expression