/// <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;
}
public Uri BuildUri()
{
NodeToStringBuilder nodeToStringBuilder = new NodeToStringBuilder();
SelectExpandClauseToStringBuilder selectExpandClauseToStringBuilder = new SelectExpandClauseToStringBuilder();
String queryOptions = String.Empty;
bool writeQueryPrefix = true;
if (this.odataUri.Filter != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$filter", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateFilterClause(this.odataUri.Filter)));
}
if (this.odataUri.SelectAndExpand != null)
{
string result = selectExpandClauseToStringBuilder.TranslateSelectExpandClause(this.odataUri.SelectAndExpand, true);
if (!string.IsNullOrEmpty(result))
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, result);
}
}
if (this.odataUri.OrderBy != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$orderby", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateOrderByClause(this.odataUri.OrderBy)));
}
if (this.odataUri.Top != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$top", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(this.odataUri.Top.ToString()));
}
if (this.odataUri.Skip != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$skip", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(this.odataUri.Skip.ToString()));
}
if (this.odataUri.QueryCount != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$count", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(this.odataUri.QueryCount == true ? ExpressionConstants.KeywordTrue : ExpressionConstants.KeywordFalse));
}
if (this.odataUri.Search != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$search", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateSearchClause(this.odataUri.Search)));
}
if (this.odataUri.ParameterAliasNodes != null && this.odataUri.ParameterAliasNodes.Count > 0)
{
string aliasNode = nodeToStringBuilder.TranslateParameterAliasNodes(this.odataUri.ParameterAliasNodes);
queryOptions = String.IsNullOrEmpty(aliasNode) ? queryOptions : String.Concat(WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions), aliasNode);
writeQueryPrefix = false;
}
string res = String.Concat(this.odataUri.Path.ToResourcePathString(urlConventions), queryOptions);
return this.odataUri.ServiceRoot == null ? new Uri(res, UriKind.Relative) : new Uri(this.odataUri.ServiceRoot, new Uri(res, UriKind.Relative));
}
