/// <summary>
/// Translate a OperationImportSegment
/// </summary>
/// <param name="segment">the segment to Translate</param>
/// <returns>Defined by the implementer.</returns>
public override string Translate(OperationImportSegment segment)
{
Debug.Assert(segment != null, "segment != null");
NodeToStringBuilder nodeToStringBuilder = new NodeToStringBuilder();
string res = null;
foreach (OperationSegmentParameter operationSegmentParameter in segment.Parameters)
{
string tmp = nodeToStringBuilder.TranslateNode((QueryNode)operationSegmentParameter.Value);
res = String.Concat(res, String.IsNullOrEmpty(res) ? null : ExpressionConstants.SymbolComma, operationSegmentParameter.Name, ExpressionConstants.SymbolEqual, tmp);
}
return(String.IsNullOrEmpty(res) ? String.Concat("/", segment.Identifier) : String.Concat("/", segment.Identifier, ExpressionConstants.SymbolOpenParen, res, ExpressionConstants.SymbolClosedParen));
}
/// <summary>
/// Build a segment representing $filter.
/// </summary>
/// <param name="expression">The filter expression - this should evaluate to a single boolean value.</param>
/// <param name="rangeVariable">An expression that represents a single value from the collection.</param>
/// <param name="navigationSource">The navigation source that this filter applies to.</param>
/// <exception cref="System.ArgumentNullException">Throws if any input parameter is null.</exception>
/// <remarks>$filter should not be applied on singletons or single entities.</remarks>
public FilterSegment(SingleValueNode expression, RangeVariable rangeVariable, IEdmNavigationSource navigationSource)
{
ExceptionUtils.CheckArgumentNotNull(expression, "expression");
ExceptionUtils.CheckArgumentNotNull(rangeVariable, "rangeVariable");
ExceptionUtils.CheckArgumentNotNull(navigationSource, "navigationSource");
this.Identifier = UriQueryConstants.FilterSegment;
this.SingleResult = false;
this.TargetEdmNavigationSource = navigationSource;
this.TargetKind = RequestTargetKind.Resource;
this.TargetEdmType = rangeVariable.TypeReference.Definition;
this.expression = expression;
this.rangeVariable = rangeVariable;
this.bindingType = navigationSource.Type;
NodeToStringBuilder nodeToStringBuilder = new NodeToStringBuilder();
string expressionString = nodeToStringBuilder.TranslateNode(expression);
this.literalText = UriQueryConstants.FilterSegment + ExpressionConstants.SymbolOpenParen + expressionString
+ ExpressionConstants.SymbolClosedParen;
}
