private static Func <string, string[], string> GetCompilerForCtor(
IMemberCompilerProvider <string> provider, Type source)
{
if (source.IsGenericTypeDefinition)
{
source = source.MakeGenericType(typeof(object));
}
var ci = source.GetConstructors().First();
var result = provider.GetCompiler(ci);
Assert.IsNotNull(result);
return(result);
}
private static Func <string, string[], string> GetCompilerForField(
IMemberCompilerProvider <string> provider, Type source, string fieldName)
{
if (source.IsGenericTypeDefinition)
{
source = source.MakeGenericType(typeof(object));
}
var fi = source.GetField(fieldName);
Assert.IsNotNull(fi);
var result = provider.GetCompiler(fi);
Assert.IsNotNull(result);
return(result);
}
private static Func <string, string[], string> GetCompilerForMethod(
IMemberCompilerProvider <string> provider, Type source, string methodName)
{
if (source.IsGenericTypeDefinition)
{
source = source.MakeGenericType(typeof(object));
}
var mi = source.GetMethod(methodName);
Assert.IsNotNull(mi);
if (mi.IsGenericMethodDefinition)
{
mi = mi.MakeGenericMethod(typeof(object));
}
var result = provider.GetCompiler(mi);
Assert.IsNotNull(result);
return(result);
}
// Constructors
public ExpressionProcessor(
LambdaExpression lambda, HandlerAccessor handlers, SqlCompiler compiler, params IReadOnlyList <SqlExpression>[] sourceColumns)
{
ArgumentValidator.EnsureArgumentNotNull(lambda, "lambda");
ArgumentValidator.EnsureArgumentNotNull(handlers, "handlers");
ArgumentValidator.EnsureArgumentNotNull(sourceColumns, "sourceColumns");
this.compiler = compiler; // This might be null, check before use!
this.lambda = lambda;
this.sourceColumns = sourceColumns;
providerInfo = handlers.ProviderInfo;
driver = handlers.StorageDriver;
fixBooleanExpressions = !providerInfo.Supports(ProviderFeatures.FullFeaturedBooleanExpressions);
emptyStringIsNull = providerInfo.Supports(ProviderFeatures.TreatEmptyStringAsNull);
dateTimeEmulation = providerInfo.Supports(ProviderFeatures.DateTimeEmulation);
dateTimeOffsetEmulation = providerInfo.Supports(ProviderFeatures.DateTimeOffsetEmulation);
memberCompilerProvider = handlers.DomainHandler.GetMemberCompilerProvider <SqlExpression>();
specialByteArrayComparison = providerInfo.ProviderName.Equals(WellKnown.Provider.Oracle);
bindings = new HashSet <QueryParameterBinding>();
activeParameters = new List <ParameterExpression>();
evaluator = new ExpressionEvaluator(lambda);
parameterExtractor = new ParameterExtractor(evaluator);
if (fixBooleanExpressions)
{
booleanExpressionConverter = new BooleanExpressionConverter(driver);
}
if (lambda.Parameters.Count != sourceColumns.Length)
{
throw Exceptions.InternalError(Strings.ExParametersCountIsNotSameAsSourceColumnListsCount, OrmLog.Instance);
}
if (sourceColumns.Any(list => list.Any(c => c.IsNullReference())))
{
throw Exceptions.InternalError(Strings.ExSourceColumnListContainsNullValues, OrmLog.Instance);
}
sourceMapping = new Dictionary <ParameterExpression, IReadOnlyList <SqlExpression> >();
}
