public string GenerateQuery(QueryModel queryModel, out ScalarResultBehavior scalarResultBehavior)
{
// If ITypeSerializer is an IExtendedTypeSerializer, use it as the member name resolver
// Otherwise fallback to the legacy behavior which assumes we're using Newtonsoft.Json
// Note that DefaultSerializer implements IExtendedTypeSerializer, but has the same logic as JsonNetMemberNameResolver
var serializer = Serializer as IExtendedTypeSerializer;
#pragma warning disable CS0618 // Type or member is obsolete
var memberNameResolver = serializer != null ?
(IMemberNameResolver) new ExtendedTypeSerializerMemberNameResolver(serializer) :
(IMemberNameResolver) new JsonNetMemberNameResolver(JsonConvert.DefaultSettings().ContractResolver);
#pragma warning restore CS0618 // Type or member is obsolete
var methodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider();
var queryGenerationContext = new N1QlQueryGenerationContext
{
MemberNameResolver = memberNameResolver,
MethodCallTranslatorProvider = methodCallTranslatorProvider,
Serializer = serializer,
// TODO: Don't use .Result
ClusterVersion = _clusterVersionProvider.GetVersionAsync().Result ?? FeatureVersions.DefaultVersion,
LoggerFactory = _cluster.ClusterServices.GetRequiredService <ILoggerFactory>()
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
var query = visitor.GetQuery();
_logger.LogDebug("Generated query: {0}", query);
scalarResultBehavior = visitor.ScalarResultBehavior;
return(query);
}
public string GenerateQuery(QueryModel queryModel, bool selectDocumentMetadata, out ScalarResultBehavior scalarResultBehavior)
{
// If ITypeSerializer is an IExtendedTypeSerializer, use it as the member name resolver
// Otherwise fallback to the legacy behavior which assumes we're using Newtonsoft.Json
// Note that DefaultSerializer implements IExtendedTypeSerializer, but has the same logic as JsonNetMemberNameResolver
var serializer = Serializer as IExtendedTypeSerializer;
#pragma warning disable CS0618 // Type or member is obsolete
var memberNameResolver = serializer != null ?
(IMemberNameResolver) new ExtendedTypeSerializerMemberNameResolver(serializer) :
(IMemberNameResolver) new JsonNetMemberNameResolver(_configuration.SerializationSettings.ContractResolver);
#pragma warning restore CS0618 // Type or member is obsolete
var methodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider();
var queryGenerationContext = new N1QlQueryGenerationContext
{
MemberNameResolver = memberNameResolver,
MethodCallTranslatorProvider = methodCallTranslatorProvider,
Serializer = serializer,
SelectDocumentMetadata = selectDocumentMetadata,
ClusterVersion = VersionProvider.Current.GetVersion(_bucket)
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
var query = visitor.GetQuery();
_log.Debug("Generated query: {0}", query);
scalarResultBehavior = visitor.ScalarResultBehavior;
return(query);
}
public void StringCompare_EqualToNeg1_ReturnsLessThan()
{
var queryGenerationContext = new N1QlQueryGenerationContext()
{
MemberNameResolver =
new JsonNetMemberNameResolver(new Newtonsoft.Json.Serialization.DefaultContractResolver()),
MethodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider(),
Serializer = new Core.Serialization.DefaultSerializer()
};
var visitor = new Mock <N1QlExpressionTreeVisitor>(queryGenerationContext)
{
CallBase = true
};
var string1 = Expression.Constant("A");
var string2 = Expression.Constant("B");
BinaryExpression expression = Expression.Equal(
Expression.Call(
typeof(string).GetMethod("Compare", new[] { typeof(string), typeof(string) }),
string1,
string2
),
Expression.Constant(-1));
var newExpression = visitor.Object.ConvertStringCompareExpression(expression) as StringComparisonExpression;
Assert.NotNull(newExpression);
Assert.AreEqual(ExpressionType.LessThan, newExpression.Operation);
Assert.AreEqual(string1, newExpression.Left);
Assert.AreEqual(string2, newExpression.Right);
}
internal string CreateN1QlQuery(IBucket bucket, Expression expression, ClusterVersion clusterVersion,
bool selectDocumentMetadata, out ScalarResultBehavior resultBehavior)
{
var serializer = new Core.Serialization.DefaultSerializer();
var bucketContext = new Mock <IBucketContext>();
bucketContext.SetupGet(p => p.Bucket).Returns(bucket);
bucketContext.SetupGet(p => p.Configuration).Returns(new ClientConfiguration
{
Serializer = () => serializer
});
var queryModel = QueryParserHelper.CreateQueryParser(bucketContext.Object).GetParsedQuery(expression);
var queryGenerationContext = new N1QlQueryGenerationContext()
{
MemberNameResolver = MemberNameResolver,
MethodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider(),
Serializer = serializer,
SelectDocumentMetadata = selectDocumentMetadata,
ClusterVersion = clusterVersion
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
resultBehavior = visitor.ScalarResultBehavior;
return(visitor.GetQuery());
}
internal string CreateN1QlQuery(IBucket bucket, Expression expression, ClusterVersion clusterVersion,
bool selectDocumentMetadata, out ScalarResultBehavior resultBehavior)
{
var mockCluster = new Mock <ICluster>();
mockCluster
.Setup(p => p.ClusterServices)
.Returns(ServiceProvider);
var queryModel = QueryParserHelper.CreateQueryParser(mockCluster.Object).GetParsedQuery(expression);
var queryGenerationContext = new N1QlQueryGenerationContext()
{
MemberNameResolver = MemberNameResolver,
MethodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider(),
Serializer = ServiceProvider.GetRequiredService <ITypeSerializer>(),
SelectDocumentMetadata = selectDocumentMetadata,
ClusterVersion = clusterVersion,
LoggerFactory = LoggerFactory
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
resultBehavior = visitor.ScalarResultBehavior;
return(visitor.GetQuery());
}
/// <summary>
/// Tests an <see cref="Expression"/> returning a DateTime to see if it is serialized as
/// Unix milliseconds using the <see cref="N1QlQueryGenerationContext.DateTimeSerializationFormatProvider"/>.
/// </summary>
/// <param name="context">The <see cref="N1QlQueryGenerationContext"/>.</param>
/// <param name="expression">Expression which returns a DateTime.</param>
/// <returns>True if the member is serialized as Unix milliseconds.</returns>
public static bool IsUnixMillisecondsMember(this N1QlQueryGenerationContext context, Expression expression)
{
var memberInfo = ExtractMemberInfo(expression);
if (memberInfo != null)
{
return(context.DateTimeSerializationFormatProvider.GetDateTimeSerializationFormat(memberInfo) ==
DateTimeSerializationFormat.UnixMilliseconds);
}
return(false);
}
public string ExecuteCollection(QueryModel queryModel)
{
var queryGenerationContext = new N1QlQueryGenerationContext()
{
MemberNameResolver = Test.MemberNameResolver,
MethodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider(),
Serializer = new Core.Serialization.DefaultSerializer()
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
return(visitor.GetQuery());
}
protected string CreateN1QlQuery(IBucket bucket, Expression expression)
{
var queryModel = QueryParserHelper.CreateQueryParser().GetParsedQuery(expression);
var queryGenerationContext = new N1QlQueryGenerationContext()
{
MemberNameResolver = new JsonNetMemberNameResolver(_contractResolver),
MethodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider(),
Serializer = new Core.Serialization.DefaultSerializer()
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
return(visitor.GetQuery());
}
protected string CreateN1QlQuery(IBucket bucket, Expression expression, Version clusterVersion, bool selectDocumentMetadata)
{
var queryModel = QueryParserHelper.CreateQueryParser().GetParsedQuery(expression);
var queryGenerationContext = new N1QlQueryGenerationContext()
{
MemberNameResolver = MemberNameResolver,
MethodCallTranslatorProvider = new DefaultMethodCallTranslatorProvider(),
Serializer = new Core.Serialization.DefaultSerializer(),
SelectDocumentMetadata = selectDocumentMetadata,
ClusterVersion = clusterVersion
};
var visitor = new N1QlQueryModelVisitor(queryGenerationContext);
visitor.VisitQueryModel(queryModel);
return(visitor.GetQuery());
}