private string GetMemberName(IDatumConverterFactory datumConverterFactory)
{
var datumConverter = datumConverterFactory.Get <TObject>();
var fieldConverter = datumConverter as IObjectDatumConverter;
if (fieldConverter == null)
{
throw new NotSupportedException("Cannot map member access into ReQL without implementing IObjectDatumConverter");
}
if (numericMemberReference.NodeType != ExpressionType.Lambda)
{
throw new NotSupportedException("Unsupported expression type " + numericMemberReference.Type + "; expected Lambda");
}
var body = ((LambdaExpression)numericMemberReference).Body;
MemberExpression memberExpr;
if (body.NodeType == ExpressionType.MemberAccess)
{
memberExpr = (MemberExpression)body;
}
else
{
throw new NotSupportedException("Unsupported expression type " + body.NodeType + "; expected MemberAccess");
}
if (memberExpr.Expression.NodeType != ExpressionType.Parameter)
{
throw new NotSupportedException("Unrecognized member access pattern");
}
return(fieldConverter.GetDatumFieldName(memberExpr.Member));
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var getAllTerm = new Term()
{
type = Term.TermType.GET_ALL,
};
getAllTerm.args.Add(tableTerm.GenerateTerm(datumConverterFactory));
getAllTerm.args.Add(new Term()
{
type = Term.TermType.DATUM,
datum = datumConverterFactory.Get <TKey>().ConvertObject(key)
});
if (!String.IsNullOrEmpty(indexName))
{
getAllTerm.optargs.Add(new Term.AssocPair()
{
key = "index",
val = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = indexName
},
}
});
}
return(getAllTerm);
}
private Datum GetMemberName(Expression memberReference, IDatumConverterFactory datumConverterFactory)
{
var datumConverter = datumConverterFactory.Get <TObject>();
var fieldConverter = datumConverter as IObjectDatumConverter;
if (fieldConverter == null)
{
throw new NotSupportedException("Cannot map member access into ReQL without implementing IObjectDatumConverter");
}
MemberExpression memberExpr;
if (memberReference.NodeType == ExpressionType.MemberAccess)
{
memberExpr = (MemberExpression)memberReference;
}
else
{
throw new NotSupportedException("Unsupported expression type " + memberReference.NodeType + "; expected MemberAccess");
}
if (memberExpr.Expression.NodeType != ExpressionType.Parameter)
{
throw new NotSupportedException("Unrecognized member access pattern");
}
return(new Datum()
{
type = Datum.DatumType.R_STR,
r_str = fieldConverter.GetDatumFieldName(memberExpr.Member)
});
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var retval = new Term()
{
type = Term.TermType.GROUPED_MAP_REDUCE,
};
retval.args.Add(sequenceQuery.GenerateTerm(datumConverterFactory));
retval.args.Add(ExpressionUtils.CreateFunctionTerm(datumConverterFactory, grouping));
retval.args.Add(ExpressionUtils.CreateFunctionTerm(datumConverterFactory, mapping));
retval.args.Add(ExpressionUtils.CreateFunctionTerm(datumConverterFactory, reduction));
if (this.baseProvided)
{
retval.optargs.Add(new Term.AssocPair()
{
key = "base",
val = new Term()
{
type = Term.TermType.DATUM,
datum = datumConverterFactory.Get <TMap>().ConvertObject(@base)
}
});
}
return(retval);
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var reduceTerm = new Term()
{
type = Term.TermType.REDUCE,
};
reduceTerm.args.Add(sequenceQuery.GenerateTerm(datumConverterFactory));
reduceTerm.args.Add(ExpressionUtils.CreateFunctionTerm <T, T, T>(datumConverterFactory, reduceFunction));
if (this.baseProvided)
{
reduceTerm.optargs.Add(new Term.AssocPair()
{
key = "base",
val = new Term()
{
type = Term.TermType.DATUM,
datum = datumConverterFactory.Get <T>().ConvertObject(@base)
}
});
}
return(reduceTerm);
}
public async Task <T> RunAsync <T>(IDatumConverterFactory datumConverterFactory, IScalarQuery <T> queryObject, CancellationToken cancellationToken)
{
var query = new Spec.Query();
query.token = GetNextToken();
query.type = Spec.Query.QueryType.START;
query.query = queryObject.GenerateTerm(datumConverterFactory);
var response = await InternalRunQuery(query, cancellationToken);
switch (response.type)
{
case Response.ResponseType.SUCCESS_SEQUENCE:
case Response.ResponseType.SUCCESS_ATOM:
if (response.response.Count != 1)
{
throw new RethinkDbRuntimeException(String.Format("Expected 1 object, received {0}", response.response.Count));
}
return(datumConverterFactory.Get <T>().ConvertDatum(response.response[0]));
case Response.ResponseType.CLIENT_ERROR:
case Response.ResponseType.COMPILE_ERROR:
throw new RethinkDbInternalErrorException("Client error: " + response.response[0].r_str);
case Response.ResponseType.RUNTIME_ERROR:
throw new RethinkDbRuntimeException("Runtime error: " + response.response[0].r_str);
default:
throw new RethinkDbInternalErrorException("Unhandled response type: " + response.type);
}
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var replaceTerm = new Term()
{
type = Term.TermType.REPLACE,
};
replaceTerm.args.Add(getTerm.GenerateTerm(datumConverterFactory));
replaceTerm.args.Add(new Term()
{
type = Term.TermType.DATUM,
datum = datumConverterFactory.Get <T>().ConvertObject(newObject)
});
AddOptionalArguments(replaceTerm);
if (nonAtomic)
{
replaceTerm.optargs.Add(new Term.AssocPair()
{
key = "non_atomic",
val = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_BOOL,
r_bool = nonAtomic
}
}
});
}
return(replaceTerm);
}
public static IDatumConverter Get(this IDatumConverterFactory datumConverterFactory, Type datumType)
{
if (datumConverterFactory == null)
{
throw new ArgumentNullException("datumConverterFactory");
}
return(datumConverterFactory.Get(datumType, datumConverterFactory));
}
public static IDatumConverter <T> Get <T>(this IDatumConverterFactory datumConverterFactory)
{
if (datumConverterFactory == null)
{
throw new ArgumentNullException("datumConverterFactory");
}
return(datumConverterFactory.Get <T>(datumConverterFactory));
}
private Term.AssocPair MapMemberAssignmentToMakeObjArg(MemberAssignment memberAssignment)
{
var retval = new Term.AssocPair();
var datumConverter = datumConverterFactory.Get <TReturn>();
var fieldConverter = datumConverter as IObjectDatumConverter;
if (fieldConverter == null)
{
throw new NotSupportedException("Cannot map member assignments into ReQL without implementing IObjectDatumConverter");
}
retval.key = fieldConverter.GetDatumFieldName(memberAssignment.Member);
retval.val = MapExpressionToTerm(memberAssignment.Expression);
return(retval);
}
public QueryEnumerator(Connection connection, IDatumConverterFactory datumConverterFactory, ISequenceQuery <T> queryObject)
{
this.connection = connection;
this.datumConverterFactory = datumConverterFactory;
this.datumConverter = datumConverterFactory.Get <T>();
this.queryObject = queryObject;
this.stackTrace = new StackTrace(true);
}
public TupleConverter(IDatumConverterFactory rootDatumConverterFactory)
{
var typeArguments = typeof(T).GetGenericArguments();
tupleConstructor = typeof(T).GetConstructor(typeArguments);
itemConverters = new IDatumConverter[typeArguments.Length];
for (int i = 0; i < typeArguments.Length; i++)
{
itemConverters[i] = rootDatumConverterFactory.Get(typeArguments[i]);
}
}
public override Object ConvertDatum(Spec.Datum datum)
{
if (datum.type == Datum.DatumType.R_NULL)
{
return(null);
}
Type valueType = rootDatumConverterFactory.GetBestNativeTypeForDatum(datum);
var valueConverter = rootDatumConverterFactory.Get(valueType);
return(valueConverter.ConvertDatum(datum));
}
public AnonymousTypeConverter(IDatumConverterFactory innerTypeConverterFactory)
{
typeConstructor = typeof(T).GetConstructors()[0];
properties = new List <PropertyInfo>();
foreach (var property in typeof(T).GetProperties())
{
var pi = new PropertyInfo();
pi.Name = property.Name;
pi.Index = properties.Count;
pi.DatumConverter = innerTypeConverterFactory.Get(property.PropertyType);
pi.GetMethod = property.GetGetMethod();
properties.Add(pi);
}
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
if (objectExpr != null)
{
return(ExpressionUtils.CreateValueTerm <T>(datumConverterFactory, objectExpr));
}
else
{
var datumTerm = new Term()
{
type = Term.TermType.DATUM,
datum = datumConverterFactory.Get <T>().ConvertObject(@object)
};
return(datumTerm);
}
}
private IEnumerable <Term> GetMembers(IDatumConverterFactory datumConverterFactory)
{
var datumConverter = datumConverterFactory.Get <T>();
var fieldConverter = datumConverter as IObjectDatumConverter;
if (fieldConverter == null)
{
throw new NotSupportedException("Cannot map member access into ReQL without implementing IObjectDatumConverter");
}
foreach (var memberReferenceExpression in fields)
{
if (memberReferenceExpression.NodeType != ExpressionType.Lambda)
{
throw new NotSupportedException("Unsupported expression type " + memberReferenceExpression.Type + "; expected Lambda");
}
var body = memberReferenceExpression.Body;
MemberExpression memberExpr;
if (body.NodeType == ExpressionType.MemberAccess)
{
memberExpr = (MemberExpression)body;
}
else
{
throw new NotSupportedException("Unsupported expression type " + body.NodeType + "; expected MemberAccess or Call");
}
if (memberExpr.Expression.NodeType != ExpressionType.Parameter)
{
throw new NotSupportedException("Unrecognized member access pattern");
}
var fieldReference = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = fieldConverter.GetDatumFieldName(memberExpr.Member)
}
};
yield return(fieldReference);
}
}
private Term AttemptClientSideConversion(IDatumConverterFactory datumConverterFactory, Expression expr)
{
try
{
var converter = datumConverterFactory.Get(expr.Type);
var clientSideFunc = Expression.Lambda(expr).Compile();
return(new Term()
{
type = Term.TermType.DATUM,
datum = converter.ConvertObject(clientSideFunc.DynamicInvoke())
});
}
catch (InvalidOperationException ex)
{
throw new InvalidOperationException("Failed to perform client-side evaluation of expression tree node; often this is caused by refering to a server-side variable in a node that is only supported w/ client-side evaluation", ex);
}
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var insertTerm = new Term()
{
type = Term.TermType.INSERT,
};
insertTerm.args.Add(tableTerm.GenerateTerm(datumConverterFactory));
var objectArray = new Datum()
{
type = Datum.DatumType.R_ARRAY,
};
var converter = datumConverterFactory.Get <T>();
foreach (var obj in objects)
{
objectArray.r_array.Add(converter.ConvertObject(obj));
}
insertTerm.args.Add(new Term()
{
type = Term.TermType.DATUM,
datum = objectArray,
});
if (upsert)
{
insertTerm.optargs.Add(new Term.AssocPair()
{
key = "upsert",
val = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_BOOL,
r_bool = upsert,
}
}
});
}
return(insertTerm);
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var sequenceTerm = new Term()
{
type = Term.TermType.MAKE_ARRAY,
};
foreach (var obj in enumerable)
{
var datumTerm = new Term()
{
type = Term.TermType.DATUM,
datum = datumConverterFactory.Get <T>().ConvertObject(obj)
};
sequenceTerm.args.Add(datumTerm);
}
return(sequenceTerm);
}
public override Datum ConvertObject(CompoundIndexKey compoundIndexKey)
{
if (compoundIndexKey == null)
{
return new Datum {
type = Datum.DatumType.R_NULL
}
}
;
var retval = new Datum {
type = Datum.DatumType.R_ARRAY
};
foreach (var key in compoundIndexKey.KeyValues)
{
var converter = rootDatumConverterFactory.Get(key.GetType());
retval.r_array.Add(converter.ConvertObject(key));
}
return(retval);
}
}
protected Term SimpleMap(IDatumConverterFactory datumConverterFactory, Expression expr)
{
switch (expr.NodeType)
{
case ExpressionType.Constant:
{
var constantExpression = (ConstantExpression)expr;
var datumConverter = datumConverterFactory.Get(constantExpression.Type);
var datum = datumConverter.ConvertObject(constantExpression.Value);
return(new Term()
{
type = Term.TermType.DATUM,
datum = datum
});
}
case ExpressionType.Add:
case ExpressionType.Modulo:
case ExpressionType.Divide:
case ExpressionType.Multiply:
case ExpressionType.Subtract:
case ExpressionType.Equal:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
case ExpressionType.NotEqual:
case ExpressionType.ArrayIndex:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, datumConverterFactory));
case ExpressionType.Not:
case ExpressionType.ArrayLength:
return(ConvertUnaryExpressionToTerm((UnaryExpression)expr, datumConverterFactory));
case ExpressionType.New:
{
var newExpression = (NewExpression)expr;
if (AnonymousTypeDatumConverterFactory.Instance.IsTypeSupported(newExpression.Type))
{
var retval = new Term()
{
type = Term.TermType.MAKE_OBJ,
};
foreach (var property in newExpression.Type.GetProperties().Select((p, i) => new { Property = p, Index = i }))
{
var key = property.Property.Name;
var value = RecursiveMap(newExpression.Arguments[property.Index]);
retval.optargs.Add(new Term.AssocPair()
{
key = key, val = value
});
}
return(retval);
}
DefaultExpressionConverterFactory.ExpressionMappingDelegate <NewExpression> newExpressionMapping;
if (expressionConverterFactory.TryGetNewExpressionMapping(newExpression.Constructor, out newExpressionMapping))
{
return(newExpressionMapping(newExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory));
}
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
case ExpressionType.Call:
{
var callExpression = (MethodCallExpression)expr;
var method = callExpression.Method;
DefaultExpressionConverterFactory.ExpressionMappingDelegate <MethodCallExpression> methodCallMapping;
if (expressionConverterFactory.TryGetMethodCallMapping(method, out methodCallMapping))
{
return(methodCallMapping(callExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory));
}
else
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
case ExpressionType.MemberAccess:
{
var memberExpression = (MemberExpression)expr;
var member = memberExpression.Member;
DefaultExpressionConverterFactory.ExpressionMappingDelegate <MemberExpression> memberAccessMapping;
if (expressionConverterFactory.TryGetMemberAccessMapping(member, out memberAccessMapping))
{
return(memberAccessMapping(memberExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory));
}
else
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
case ExpressionType.Conditional:
{
var conditionalExpression = (ConditionalExpression)expr;
return(new Term()
{
type = Term.TermType.BRANCH,
args =
{
RecursiveMap(conditionalExpression.Test),
RecursiveMap(conditionalExpression.IfTrue),
RecursiveMap(conditionalExpression.IfFalse)
}
});
}
default:
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
}
protected Term SimpleMap(IDatumConverterFactory datumConverterFactory, Expression expr)
{
switch (expr.NodeType)
{
case ExpressionType.Constant:
{
var constantExpression = (ConstantExpression)expr;
var datumConverter = datumConverterFactory.Get(constantExpression.Type);
var datum = datumConverter.ConvertObject(constantExpression.Value);
return(new Term()
{
type = Term.TermType.DATUM,
datum = datum
});
}
case ExpressionType.Add:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.ADD));
case ExpressionType.Modulo:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.MOD));
case ExpressionType.Divide:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.DIV));
case ExpressionType.Multiply:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.MUL));
case ExpressionType.Subtract:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.SUB));
case ExpressionType.Equal:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.EQ));
case ExpressionType.LessThan:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.LT));
case ExpressionType.LessThanOrEqual:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.LE));
case ExpressionType.GreaterThan:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.GT));
case ExpressionType.GreaterThanOrEqual:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.GE));
case ExpressionType.AndAlso:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.ALL));
case ExpressionType.OrElse:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.ANY));
case ExpressionType.NotEqual:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, Term.TermType.NE));
case ExpressionType.Not:
return(ConvertUnaryExpressionToTerm((UnaryExpression)expr, Term.TermType.NOT));
case ExpressionType.ArrayLength:
return(ConvertUnaryExpressionToTerm((UnaryExpression)expr, Term.TermType.COUNT));
case ExpressionType.New:
{
var newExpression = (NewExpression)expr;
if (!AnonymousTypeDatumConverterFactory.Instance.IsTypeSupported(newExpression.Type))
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
var retval = new Term()
{
type = Term.TermType.MAKE_OBJ,
};
foreach (var property in newExpression.Type.GetProperties().Select((p, i) => new { Property = p, Index = i }))
{
var key = property.Property.Name;
var value = RecursiveMap(newExpression.Arguments[property.Index]);
retval.optargs.Add(new Term.AssocPair()
{
key = key, val = value
});
}
return(retval);
}
case ExpressionType.Call:
{
var callExpression = (MethodCallExpression)expr;
var method = callExpression.Method;
if (method.IsGenericMethod && method.GetGenericMethodDefinition() == ReQLAppend.Value)
{
var target = callExpression.Arguments[0];
var appendArray = callExpression.Arguments[1];
if (appendArray.NodeType != ExpressionType.NewArrayInit)
{
throw new NotSupportedException(String.Format("Expected second arg to ReQLExpression.Append to be NewArrayInit, but was: {0}", appendArray.NodeType));
}
var newArrayExpression = (NewArrayExpression)appendArray;
var term = RecursiveMap(target);
foreach (var datumExpression in newArrayExpression.Expressions)
{
var newTerm = new Term()
{
type = Term.TermType.APPEND
};
newTerm.args.Add(term);
if (datumExpression.NodeType == ExpressionType.MemberInit)
{
var memberInit = (MemberInitExpression)datumExpression;
var recursiveMapMethod = typeof(BaseExpression).GetMethod("RecursiveMapMemberInit", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
recursiveMapMethod = recursiveMapMethod.MakeGenericMethod(new Type[] { memberInit.Type });
newTerm.args.Add((Term)recursiveMapMethod.Invoke(this, new object[] { memberInit }));
}
else
{
throw new NotSupportedException(String.Format("Expected ReQLExpression.Append to contain MemberInit additions, but was: {0}", datumExpression.NodeType));
}
term = newTerm;
}
return(term);
}
else if (method.IsGenericMethod && method.GetGenericMethodDefinition() == EnumerableWhereWithSimplePredicate.Value)
{
var target = callExpression.Arguments[0];
var predicate = callExpression.Arguments[1];
var filterTerm = new Term()
{
type = Term.TermType.FILTER
};
filterTerm.args.Add(RecursiveMap(target));
var enumerableElementType = method.ReturnType.GetGenericArguments()[0];
var createFunctionTermMethod = typeof(ExpressionUtils)
.GetMethods(BindingFlags.Public | BindingFlags.Static)
.Single(m => m.Name == "CreateFunctionTerm" &&
m.GetGenericArguments().Length == 2);
createFunctionTermMethod = createFunctionTermMethod.MakeGenericMethod(enumerableElementType, typeof(bool));
var functionTerm = (Term)createFunctionTermMethod.Invoke(null, new object[] { datumConverterFactory, predicate });
filterTerm.args.Add(functionTerm);
return(filterTerm);
}
else if (method.IsGenericMethod && method.GetGenericMethodDefinition() == EnumerableCountWithNoPredicate.Value)
{
var target = callExpression.Arguments[0];
var countTerm = new Term()
{
type = Term.TermType.COUNT,
};
countTerm.args.Add(RecursiveMap(target));
return(countTerm);
}
else if (method == DateTimeAddTimeSpan.Value)
{
var addTerm = new Term()
{
type = Term.TermType.ADD,
};
addTerm.args.Add(RecursiveMap(callExpression.Object));
addTerm.args.Add(RecursiveMap(callExpression.Arguments[0]));
return(addTerm);
}
else if (method == DateTimeAddMinutes.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, TimeSpan.TicksPerMinute / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeAddHours.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, TimeSpan.TicksPerHour / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeAddMilliseconds.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, (double)TimeSpan.TicksPerMillisecond / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeAddSeconds.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, 1));
}
else if (method == DateTimeAddTicks.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, 1.0 / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeAddDays.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, TimeSpan.TicksPerDay / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeOffsetAddTimeSpan.Value)
{
var addTerm = new Term()
{
type = Term.TermType.ADD,
};
addTerm.args.Add(RecursiveMap(callExpression.Object));
addTerm.args.Add(RecursiveMap(callExpression.Arguments[0]));
return(addTerm);
}
else if (method == DateTimeOffsetAddMinutes.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, TimeSpan.TicksPerMinute / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeOffsetAddHours.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, TimeSpan.TicksPerHour / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeOffsetAddMilliseconds.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, (double)TimeSpan.TicksPerMillisecond / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeOffsetAddSeconds.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, 1));
}
else if (method == DateTimeOffsetAddTicks.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, 1.0 / TimeSpan.TicksPerSecond));
}
else if (method == DateTimeOffsetAddDays.Value)
{
return(ConvertDateTimeAddFunctionToTerm(callExpression, TimeSpan.TicksPerDay / TimeSpan.TicksPerSecond));
}
else
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
case ExpressionType.MemberAccess:
{
var memberExpression = (MemberExpression)expr;
var member = memberExpression.Member;
if (member.DeclaringType.IsGenericType &&
(
member.DeclaringType.GetGenericTypeDefinition() == typeof(List <>) ||
member.DeclaringType.GetGenericTypeDefinition() == typeof(ICollection <>) ||
member.DeclaringType.GetGenericTypeDefinition() == typeof(Microsoft.FSharp.Collections.FSharpList <>)
) &&
(member.Name == "Count" || member.Name == "Length"))
{
var countTerm = new Term()
{
type = Term.TermType.COUNT,
};
countTerm.args.Add(RecursiveMap(memberExpression.Expression));
return(countTerm);
}
else
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
default:
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
}
protected Term SimpleMap(IDatumConverterFactory datumConverterFactory, Expression expr)
{
switch (expr.NodeType)
{
case ExpressionType.Constant:
{
var constantExpression = (ConstantExpression)expr;
var datumConverter = datumConverterFactory.Get(constantExpression.Type);
var datum = datumConverter.ConvertObject(constantExpression.Value);
return new Term() {
type = Term.TermType.DATUM,
datum = datum
};
}
case ExpressionType.Add:
case ExpressionType.Modulo:
case ExpressionType.Divide:
case ExpressionType.Multiply:
case ExpressionType.Subtract:
case ExpressionType.Equal:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
case ExpressionType.NotEqual:
case ExpressionType.ArrayIndex:
return ConvertBinaryExpressionToTerm((BinaryExpression)expr, datumConverterFactory);
case ExpressionType.Not:
case ExpressionType.ArrayLength:
return ConvertUnaryExpressionToTerm((UnaryExpression)expr, datumConverterFactory);
case ExpressionType.New:
{
var newExpression = (NewExpression)expr;
if (AnonymousTypeDatumConverterFactory.Instance.IsTypeSupported(newExpression.Type))
{
var retval = new Term() {
type = Term.TermType.MAKE_OBJ,
};
foreach (var property in newExpression.Type.GetProperties().Select((p, i) => new { Property = p, Index = i }))
{
var key = property.Property.Name;
var value = RecursiveMap(newExpression.Arguments[property.Index]);
retval.optargs.Add(new Term.AssocPair() {
key = key, val = value
});
}
return retval;
}
DefaultExpressionConverterFactory.ExpressionMappingDelegate<NewExpression> newExpressionMapping;
if (expressionConverterFactory.TryGetNewExpressionMapping(newExpression.Constructor, out newExpressionMapping))
return newExpressionMapping(newExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.Call:
{
var callExpression = (MethodCallExpression)expr;
var method = callExpression.Method;
DefaultExpressionConverterFactory.ExpressionMappingDelegate<MethodCallExpression> methodCallMapping;
if (expressionConverterFactory.TryGetMethodCallMapping(method, out methodCallMapping))
return methodCallMapping(callExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
else
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.MemberAccess:
{
var memberExpression = (MemberExpression)expr;
var member = memberExpression.Member;
DefaultExpressionConverterFactory.ExpressionMappingDelegate<MemberExpression> memberAccessMapping;
if (expressionConverterFactory.TryGetMemberAccessMapping(member, out memberAccessMapping))
return memberAccessMapping(memberExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
Term serverSideTerm;
if (ServerSideMemberAccess(datumConverterFactory, memberExpression, out serverSideTerm))
return serverSideTerm;
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.Conditional:
{
var conditionalExpression = (ConditionalExpression)expr;
return new Term()
{
type = Term.TermType.BRANCH,
args = {
RecursiveMap(conditionalExpression.Test),
RecursiveMap(conditionalExpression.IfTrue),
RecursiveMap(conditionalExpression.IfFalse)
}
};
}
case ExpressionType.Convert:
{
// The use-case for this right now is automatic boxing that occurs when setting a Dictionary<string,object>'s value
// to a primitive. In that particular case, we don't actually need to generate any ReQL for the conversion, so we're
// just ignoring the Convert and mapping the expression inside. Might need other behavior here in the future...
return RecursiveMap(((UnaryExpression)expr).Operand);
}
default:
{
return AttemptClientSideConversion(datumConverterFactory, expr);
}
}
}
private Term AttemptClientSideConversion(IDatumConverterFactory datumConverterFactory, Expression expr)
{
try
{
var converter = datumConverterFactory.Get(expr.Type);
var clientSideFunc = Expression.Lambda(expr).Compile();
return new Term() {
type = Term.TermType.DATUM,
datum = converter.ConvertObject(clientSideFunc.DynamicInvoke())
};
}
catch (InvalidOperationException ex)
{
throw new InvalidOperationException(
String.Format(
"Failed to perform client-side evaluation of expression tree node '{0}'; this is caused by refering to a server-side variable in an expression tree that isn't convertible to ReQL logic",
expr),
ex);
}
}
protected Term SimpleMap(IDatumConverterFactory datumConverterFactory, Expression expr)
{
switch (expr.NodeType)
{
case ExpressionType.Constant:
{
var constantExpression = (ConstantExpression)expr;
var datumConverter = datumConverterFactory.Get(constantExpression.Type);
var datum = datumConverter.ConvertObject(constantExpression.Value);
return new Term() {
type = Term.TermType.DATUM,
datum = datum
};
}
case ExpressionType.Add:
case ExpressionType.Modulo:
case ExpressionType.Divide:
case ExpressionType.Multiply:
case ExpressionType.Subtract:
case ExpressionType.Equal:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
case ExpressionType.NotEqual:
case ExpressionType.ArrayIndex:
return ConvertBinaryExpressionToTerm((BinaryExpression)expr, datumConverterFactory);
case ExpressionType.Not:
case ExpressionType.ArrayLength:
return ConvertUnaryExpressionToTerm((UnaryExpression)expr, datumConverterFactory);
case ExpressionType.New:
{
var newExpression = (NewExpression)expr;
if (AnonymousTypeDatumConverterFactory.Instance.IsTypeSupported(newExpression.Type))
{
var retval = new Term() {
type = Term.TermType.MAKE_OBJ,
};
foreach (var property in newExpression.Type.GetProperties().Select((p, i) => new { Property = p, Index = i }))
{
var key = property.Property.Name;
var value = RecursiveMap(newExpression.Arguments[property.Index]);
retval.optargs.Add(new Term.AssocPair() {
key = key, val = value
});
}
return retval;
}
DefaultExpressionConverterFactory.ExpressionMappingDelegate<NewExpression> newExpressionMapping;
if (expressionConverterFactory.TryGetNewExpressionMapping(newExpression.Constructor, out newExpressionMapping))
return newExpressionMapping(newExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.NewArrayInit:
var arrayExpression = (NewArrayExpression)expr;
var array = new Term {type = Term.TermType.MAKE_ARRAY};
foreach (var expression in arrayExpression.Expressions)
{
array.args.Add(RecursiveMap(expression));
}
return array;
case ExpressionType.Call:
{
var callExpression = (MethodCallExpression)expr;
var method = callExpression.Method;
DefaultExpressionConverterFactory.ExpressionMappingDelegate<MethodCallExpression> methodCallMapping;
if (expressionConverterFactory.TryGetMethodCallMapping(method, out methodCallMapping))
return methodCallMapping(callExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
else
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.MemberAccess:
{
var memberExpression = (MemberExpression)expr;
var member = memberExpression.Member;
DefaultExpressionConverterFactory.ExpressionMappingDelegate<MemberExpression> memberAccessMapping;
if (expressionConverterFactory.TryGetMemberAccessMapping(member, out memberAccessMapping))
return memberAccessMapping(memberExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
Term serverSideTerm;
if (ServerSideMemberAccess(datumConverterFactory, memberExpression, out serverSideTerm))
return serverSideTerm;
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.Conditional:
{
var conditionalExpression = (ConditionalExpression)expr;
return new Term()
{
type = Term.TermType.BRANCH,
args = {
RecursiveMap(conditionalExpression.Test),
RecursiveMap(conditionalExpression.IfTrue),
RecursiveMap(conditionalExpression.IfFalse)
}
};
}
case ExpressionType.Convert:
{
// The use-case for this right now is automatic boxing that occurs when setting a Dictionary<string,object>'s value
// to a primitive. In that particular case, we don't actually need to generate any ReQL for the conversion, so we're
// just ignoring the Convert and mapping the expression inside. Might need other behavior here in the future...
return RecursiveMap(((UnaryExpression)expr).Operand);
}
case ExpressionType.MemberInit:
{
var memberInit = (MemberInitExpression)expr;
var memberType = memberInit.Type;
IDatumConverter datumConverter;
if (!datumConverterFactory.TryGet(memberType, out datumConverter))
return AttemptClientSideConversion(datumConverterFactory, expr);
var fieldConverter = datumConverter as IObjectDatumConverter;
if (fieldConverter == null)
return AttemptClientSideConversion(datumConverterFactory, expr);
var makeObjTerm = new Term() {
type = Term.TermType.MAKE_OBJ,
};
foreach (var binding in memberInit.Bindings)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
{
var memberAssignment = (MemberAssignment)binding;
var pair = new Term.AssocPair();
pair.key = fieldConverter.GetDatumFieldName(memberAssignment.Member);
pair.val = RecursiveMap(memberAssignment.Expression);
if (pair.key == null)
throw new NotSupportedException("Cannot map member assignments into ReQL without implementing IObjectDatumConverter");
makeObjTerm.optargs.Add(pair);
break;
}
case MemberBindingType.ListBinding:
case MemberBindingType.MemberBinding:
throw new NotSupportedException("Binding type not currently supported");
}
}
return makeObjTerm;
}
default:
{
return AttemptClientSideConversion(datumConverterFactory, expr);
}
}
}
public NullableDatumConverter(IDatumConverterFactory rootDatumConverterFactory)
{
this.innerConverter = rootDatumConverterFactory.Get <T>(rootDatumConverterFactory);
}
protected Term SimpleMap(IDatumConverterFactory datumConverterFactory, Expression expr)
{
switch (expr.NodeType)
{
case ExpressionType.Constant:
{
var constantExpression = (ConstantExpression)expr;
var datumConverter = datumConverterFactory.Get(constantExpression.Type);
var datum = datumConverter.ConvertObject(constantExpression.Value);
return(new Term()
{
type = Term.TermType.DATUM,
datum = datum
});
}
case ExpressionType.Add:
case ExpressionType.Modulo:
case ExpressionType.Divide:
case ExpressionType.Multiply:
case ExpressionType.Subtract:
case ExpressionType.Equal:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
case ExpressionType.NotEqual:
case ExpressionType.ArrayIndex:
return(ConvertBinaryExpressionToTerm((BinaryExpression)expr, datumConverterFactory));
case ExpressionType.Not:
case ExpressionType.ArrayLength:
return(ConvertUnaryExpressionToTerm((UnaryExpression)expr, datumConverterFactory));
case ExpressionType.New:
{
var newExpression = (NewExpression)expr;
if (AnonymousTypeDatumConverterFactory.Instance.IsTypeSupported(newExpression.Type))
{
var retval = new Term()
{
type = Term.TermType.MAKE_OBJ,
};
foreach (var property in newExpression.Type.GetProperties().Select((p, i) => new { Property = p, Index = i }))
{
var key = property.Property.Name;
var value = RecursiveMap(newExpression.Arguments[property.Index]);
retval.optargs.Add(new Term.AssocPair()
{
key = key, val = value
});
}
return(retval);
}
DefaultExpressionConverterFactory.ExpressionMappingDelegate <NewExpression> newExpressionMapping;
if (expressionConverterFactory.TryGetNewExpressionMapping(newExpression.Constructor, out newExpressionMapping))
{
return(newExpressionMapping(newExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory));
}
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
case ExpressionType.Call:
{
var callExpression = (MethodCallExpression)expr;
var method = callExpression.Method;
DefaultExpressionConverterFactory.ExpressionMappingDelegate <MethodCallExpression> methodCallMapping;
if (expressionConverterFactory.TryGetMethodCallMapping(method, out methodCallMapping))
{
return(methodCallMapping(callExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory));
}
else
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
case ExpressionType.MemberAccess:
{
var memberExpression = (MemberExpression)expr;
var member = memberExpression.Member;
DefaultExpressionConverterFactory.ExpressionMappingDelegate <MemberExpression> memberAccessMapping;
if (expressionConverterFactory.TryGetMemberAccessMapping(member, out memberAccessMapping))
{
return(memberAccessMapping(memberExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory));
}
Term serverSideTerm;
if (ServerSideMemberAccess(datumConverterFactory, memberExpression, out serverSideTerm))
{
return(serverSideTerm);
}
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
case ExpressionType.Conditional:
{
var conditionalExpression = (ConditionalExpression)expr;
return(new Term()
{
type = Term.TermType.BRANCH,
args =
{
RecursiveMap(conditionalExpression.Test),
RecursiveMap(conditionalExpression.IfTrue),
RecursiveMap(conditionalExpression.IfFalse)
}
});
}
case ExpressionType.Convert:
{
// The use-case for this right now is automatic boxing that occurs when setting a Dictionary<string,object>'s value
// to a primitive. In that particular case, we don't actually need to generate any ReQL for the conversion, so we're
// just ignoring the Convert and mapping the expression inside. Might need other behavior here in the future...
return(RecursiveMap(((UnaryExpression)expr).Operand));
}
default:
{
return(AttemptClientSideConversion(datumConverterFactory, expr));
}
}
}
public Term GenerateTerm(IDatumConverterFactory datumConverterFactory)
{
var datumConverter = datumConverterFactory.Get <TKey>();
var betweenTerm = new Term()
{
type = Term.TermType.BETWEEN,
};
betweenTerm.args.Add(tableTerm.GenerateTerm(datumConverterFactory));
betweenTerm.args.Add(new Term()
{
type = Term.TermType.DATUM,
datum = datumConverter.ConvertObject(leftKey)
});
betweenTerm.args.Add(new Term()
{
type = Term.TermType.DATUM,
datum = datumConverter.ConvertObject(rightKey)
});
if (!String.IsNullOrEmpty(indexName))
{
betweenTerm.optargs.Add(new Term.AssocPair()
{
key = "index",
val = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = indexName
},
}
});
}
if (leftBound != Bound.Closed)
{
betweenTerm.optargs.Add(new Term.AssocPair()
{
key = "left_bound",
val = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = "open"
},
}
});
}
if (rightBound != Bound.Open)
{
betweenTerm.optargs.Add(new Term.AssocPair()
{
key = "right_bound",
val = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = "closed"
},
}
});
}
return(betweenTerm);
}
public NamedValueDictionaryKeysDatumConverter(IDatumConverterFactory rootDatumConverterFactory)
{
arrayDatumConverter = rootDatumConverterFactory.Get <string[]>();
}
private IEnumerable <Term> GetMembers(IDatumConverterFactory datumConverterFactory, out Term indexOrderBy)
{
var datumConverter = datumConverterFactory.Get <T>();
var fieldConverter = datumConverter as IObjectDatumConverter;
if (fieldConverter == null)
{
throw new NotSupportedException("Cannot map member access into ReQL without implementing IObjectDatumConverter");
}
indexOrderBy = null;
List <Term> retval = new List <Term>(orderByMembers.Length);
foreach (var orderByMember in orderByMembers)
{
var memberReferenceExpression = orderByMember.Expression;
var direction = orderByMember.Direction;
if (!String.IsNullOrEmpty(orderByMember.IndexName))
{
if (indexOrderBy != null)
{
throw new InvalidOperationException("Sorting by multiple indexes is not supported");
}
var indexReference = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = orderByMember.IndexName
}
};
if (direction == OrderByDirection.Ascending)
{
var newFieldRef = new Term()
{
type = Term.TermType.ASC,
};
newFieldRef.args.Add(indexReference);
indexOrderBy = newFieldRef;
}
else if (direction == OrderByDirection.Descending)
{
var newFieldRef = new Term()
{
type = Term.TermType.DESC,
};
newFieldRef.args.Add(indexReference);
indexOrderBy = newFieldRef;
}
else
{
throw new NotSupportedException();
}
}
else
{
if (memberReferenceExpression.NodeType != ExpressionType.Lambda)
{
throw new NotSupportedException("Unsupported expression type " + memberReferenceExpression.Type + "; expected Lambda");
}
var body = memberReferenceExpression.Body;
MemberExpression memberExpr;
if (body.NodeType == ExpressionType.Convert)
{
// If we're order-bying a primitive, the expr will be a cast to object for the Asc/Desc method call
if (body.Type == typeof(object))
{
body = ((UnaryExpression)body).Operand;
}
}
if (body.NodeType == ExpressionType.MemberAccess)
{
memberExpr = (MemberExpression)body;
}
else
{
throw new NotSupportedException("Unsupported expression type " + body.NodeType + "; expected MemberAccess or Call");
}
if (memberExpr.Expression.NodeType != ExpressionType.Parameter)
{
throw new NotSupportedException("Unrecognized member access pattern");
}
var fieldReference = new Term()
{
type = Term.TermType.DATUM,
datum = new Datum()
{
type = Datum.DatumType.R_STR,
r_str = fieldConverter.GetDatumFieldName(memberExpr.Member)
}
};
if (direction == OrderByDirection.Ascending)
{
var newFieldRef = new Term()
{
type = Term.TermType.ASC,
};
newFieldRef.args.Add(fieldReference);
fieldReference = newFieldRef;
}
else if (direction == OrderByDirection.Descending)
{
var newFieldRef = new Term()
{
type = Term.TermType.DESC,
};
newFieldRef.args.Add(fieldReference);
fieldReference = newFieldRef;
}
else
{
throw new NotSupportedException();
}
retval.Add(fieldReference);
}
}
return(retval);
}
protected Term SimpleMap(IDatumConverterFactory datumConverterFactory, Expression expr)
{
switch (expr.NodeType)
{
case ExpressionType.Constant:
{
var constantExpression = (ConstantExpression)expr;
var datumConverter = datumConverterFactory.Get(constantExpression.Type);
var datum = datumConverter.ConvertObject(constantExpression.Value);
return new Term() {
type = Term.TermType.DATUM,
datum = datum
};
}
case ExpressionType.Add:
case ExpressionType.Modulo:
case ExpressionType.Divide:
case ExpressionType.Multiply:
case ExpressionType.Subtract:
case ExpressionType.Equal:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
case ExpressionType.NotEqual:
case ExpressionType.ArrayIndex:
return ConvertBinaryExpressionToTerm((BinaryExpression)expr, datumConverterFactory);
case ExpressionType.Not:
case ExpressionType.ArrayLength:
return ConvertUnaryExpressionToTerm((UnaryExpression)expr, datumConverterFactory);
case ExpressionType.New:
{
var newExpression = (NewExpression)expr;
if (AnonymousTypeDatumConverterFactory.Instance.IsTypeSupported(newExpression.Type))
{
var retval = new Term() {
type = Term.TermType.MAKE_OBJ,
};
foreach (var property in newExpression.Type.GetProperties().Select((p, i) => new { Property = p, Index = i }))
{
var key = property.Property.Name;
var value = RecursiveMap(newExpression.Arguments[property.Index]);
retval.optargs.Add(new Term.AssocPair() {
key = key, val = value
});
}
return retval;
}
DefaultExpressionConverterFactory.ExpressionMappingDelegate<NewExpression> newExpressionMapping;
if (expressionConverterFactory.TryGetNewExpressionMapping(newExpression.Constructor, out newExpressionMapping))
return newExpressionMapping(newExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.Call:
{
var callExpression = (MethodCallExpression)expr;
var method = callExpression.Method;
DefaultExpressionConverterFactory.ExpressionMappingDelegate<MethodCallExpression> methodCallMapping;
if (expressionConverterFactory.TryGetMethodCallMapping(method, out methodCallMapping))
return methodCallMapping(callExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
else
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.MemberAccess:
{
var memberExpression = (MemberExpression)expr;
var member = memberExpression.Member;
DefaultExpressionConverterFactory.ExpressionMappingDelegate<MemberExpression> memberAccessMapping;
if (expressionConverterFactory.TryGetMemberAccessMapping(member, out memberAccessMapping))
return memberAccessMapping(memberExpression, RecursiveMap, datumConverterFactory, expressionConverterFactory);
else
return AttemptClientSideConversion(datumConverterFactory, expr);
}
case ExpressionType.Conditional:
{
var conditionalExpression = (ConditionalExpression)expr;
return new Term()
{
type = Term.TermType.BRANCH,
args = {
RecursiveMap(conditionalExpression.Test),
RecursiveMap(conditionalExpression.IfTrue),
RecursiveMap(conditionalExpression.IfFalse)
}
};
}
default:
{
return AttemptClientSideConversion(datumConverterFactory, expr);
}
}
}
public ArrayDatumConverter(IDatumConverterFactory rootDatumConverterFactory)
{
this.arrayTypeConverter = rootDatumConverterFactory.Get(typeof(T).GetElementType());
}
public GroupingDictionaryDatumConverter(IDatumConverterFactory rootDatumConverterFactory)
{
this.keyTypeConverter = rootDatumConverterFactory.Get <TKey>();
this.valueTypeConverter = rootDatumConverterFactory.Get <TValue>();
}