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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Http.Properties;
namespace System.Web.Http.Query
{
/// <summary>
/// Represents a single query operator to be applied to a query
/// </summary>
internal class ServiceQueryPart
{
/// <summary>
/// Public constructor
/// </summary>
public ServiceQueryPart()
{
}
/// <summary>
/// Public constructor
/// </summary>
/// <param name="queryOperator">The query operator</param>
/// <param name="expression">The query expression</param>
public ServiceQueryPart(string queryOperator, string expression)
{
if (queryOperator == null)
{
throw Error.ArgumentNull("queryOperator");
}
if (expression == null)
{
throw Error.ArgumentNull("expression");
}
if (!ServiceQuery.IsSupportedQueryOperator(queryOperator))
{
throw Error.Argument("queryOperator", SRResources.InvalidQueryOperator, queryOperator);
}
QueryOperator = queryOperator;
Expression = expression;
}
/// <summary>
/// Gets or sets the query operator. Must be one of the supported operators : "where", "orderby", "skip", or "take".
/// </summary>
public string QueryOperator { get; set; }
/// <summary>
/// Gets or sets the query expression.
/// </summary>
public string Expression { get; set; }
/// <summary>
/// Returns a string representation of this <see cref="ServiceQueryPart"/>
/// </summary>
/// <returns>The string representation of this <see cref="ServiceQueryPart"/></returns>
public override string ToString()
{
return String.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}", QueryOperator, Expression);
}
}
}
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