public CollectionNotEmptyExpression(ResourceFieldChainExpression targetCollection, FilterExpression filter)
{
ArgumentGuard.NotNull(targetCollection, nameof(targetCollection));
TargetCollection = targetCollection;
Filter = filter;
}
public SortElementExpression(ResourceFieldChainExpression targetAttribute, bool isAscending)
{
ArgumentGuard.NotNull(targetAttribute, nameof(targetAttribute));
TargetAttribute = targetAttribute;
IsAscending = isAscending;
}
public MatchTextExpression(ResourceFieldChainExpression targetAttribute, LiteralConstantExpression textValue,
TextMatchKind matchKind)
{
TargetAttribute = targetAttribute ?? throw new ArgumentNullException(nameof(targetAttribute));
TextValue = textValue ?? throw new ArgumentNullException(nameof(textValue));
MatchKind = matchKind;
}
public QueryStringParameterScopeExpression(LiteralConstantExpression parameterName, ResourceFieldChainExpression scope)
{
ArgumentGuard.NotNull(parameterName, nameof(parameterName));
ParameterName = parameterName;
Scope = scope;
}
public MatchTextExpression(ResourceFieldChainExpression targetAttribute, LiteralConstantExpression textValue, TextMatchKind matchKind)
{
ArgumentGuard.NotNull(targetAttribute, nameof(targetAttribute));
ArgumentGuard.NotNull(textValue, nameof(textValue));
TargetAttribute = targetAttribute;
TextValue = textValue;
MatchKind = matchKind;
}
public EqualsAnyOfExpression(ResourceFieldChainExpression targetAttribute,
IReadOnlyCollection <LiteralConstantExpression> constants)
{
TargetAttribute = targetAttribute ?? throw new ArgumentNullException(nameof(targetAttribute));
Constants = constants ?? throw new ArgumentNullException(nameof(constants));
if (constants.Count < 2)
{
throw new ArgumentException("At least two constants are required.", nameof(constants));
}
}
public override QueryExpression PaginationElementQueryStringValue(PaginationElementQueryStringValueExpression expression, TArgument argument)
{
if (expression != null)
{
ResourceFieldChainExpression newScope = expression.Scope != null?Visit(expression.Scope, argument) as ResourceFieldChainExpression : null;
var newExpression = new PaginationElementQueryStringValueExpression(newScope, expression.Value);
return(newExpression.Equals(expression) ? expression : newExpression);
}
return(null);
}
private static void ConvertChainToElement(ResourceFieldChainExpression chain, MutableIncludeNode rootNode)
{
MutableIncludeNode currentNode = rootNode;
foreach (var relationship in chain.Fields.OfType <RelationshipAttribute>())
{
if (!currentNode.Children.ContainsKey(relationship))
{
currentNode.Children[relationship] = new MutableIncludeNode(relationship);
}
currentNode = currentNode.Children[relationship];
}
}
public override QueryExpression VisitQueryStringParameterScope(QueryStringParameterScopeExpression expression, TArgument argument)
{
if (expression != null)
{
var newParameterName = Visit(expression.ParameterName, argument) as LiteralConstantExpression;
ResourceFieldChainExpression newScope = expression.Scope != null?Visit(expression.Scope, argument) as ResourceFieldChainExpression : null;
var newExpression = new QueryStringParameterScopeExpression(newParameterName, newScope);
return(newExpression.Equals(expression) ? expression : newExpression);
}
return(null);
}
public override QueryExpression VisitResourceFieldChain(ResourceFieldChainExpression expression, TArgument argument)
{
return(expression);
}
public QueryStringParameterScopeExpression(LiteralConstantExpression parameterName, ResourceFieldChainExpression scope)
{
ParameterName = parameterName ?? throw new ArgumentNullException(nameof(parameterName));
Scope = scope;
}
public CountExpression(ResourceFieldChainExpression targetCollection)
{
TargetCollection = targetCollection ?? throw new ArgumentNullException(nameof(targetCollection));
}
public PaginationElementQueryStringValueExpression(ResourceFieldChainExpression scope, int value)
{
Scope = scope;
Value = value;
}
public EqualsAnyOfExpression(ResourceFieldChainExpression targetAttribute,
IReadOnlyCollection <LiteralConstantExpression> constants)
{
TargetAttribute = targetAttribute ?? throw new ArgumentNullException(nameof(targetAttribute));
Constants = constants ?? throw new ArgumentNullException(nameof(constants));
}
public SortElementExpression(ResourceFieldChainExpression targetAttribute, bool isAscending)
{
TargetAttribute = targetAttribute ?? throw new ArgumentNullException(nameof(targetAttribute));
IsAscending = isAscending;
}
public CountExpression(ResourceFieldChainExpression targetCollection)
{
ArgumentGuard.NotNull(targetCollection, nameof(targetCollection));
TargetCollection = targetCollection;
}