public void Initialize(PropertyMapperConfig config)
{
Config = config;
// Create accessor for the column property
var columnProp = typeof(IGenericColumns).GetProperty(config.Column);
if (columnProp == null || columnProp.PropertyType != typeof(TColumn))
{
throw new ArgumentException($"Column not found or type mismatch {config.PropertyName}");
}
ColumnAccessor = ReflectionTool.PropertyAccessor <IGenericColumns, TColumn>(columnProp);
// Retrieve and validate properties
var objectProp = TargetType.GetProperty(config.PropertyName);
if (objectProp == null)
{
throw new ArgumentException($"Target type {TargetType.Name} does not have a property {config.PropertyName}");
}
// Create delegates for the object property as well
ObjectAccessor = CreatePropertyAccessor(objectProp);
}
public void Initialize(Type concreteType, IGenericMapperConfiguration config)
{
// Get JSON accessor
var jsonColumn = typeof(IGenericColumns).GetProperty(config.JsonColumn);
_jsonAccessor = ReflectionTool.PropertyAccessor <IGenericColumns, string>(jsonColumn);
var baseProperties = typeof(TBase).GetProperties().Select(p => p.Name).ToArray();
var configuredProperties = config.PropertyConfigs.Select(cm => cm.PropertyName);
var readOnlyProperties = concreteType.GetProperties()
.Where(p => p.GetSetMethod() == null).Select(p => p.Name).ToArray();
// The json should not contain base, configured nor readonly properties
var jsonIgnoredProperties = baseProperties
.Concat(configuredProperties)
.Concat(readOnlyProperties).ToArray();
_jsonSettings = JsonSettings.Minimal
.Overwrite(j => j.ContractResolver = new DifferentialContractResolver <TReference>(jsonIgnoredProperties));
// Properties where no mapper should be created for: base and read only properties
var mapperIgnoredProperties = baseProperties
.Concat(readOnlyProperties).ToArray();
_configuredMappers = config.PropertyConfigs.Where(pc => !mapperIgnoredProperties.Contains(pc.PropertyName))
.Select(pc => MapperFactory.Create(pc, concreteType)).ToArray();
}
public void Initialize(Type concreteType, IGenericMapperConfiguration config)
{
// Get JSON accessor
var jsonColumn = typeof(IGenericColumns).GetProperty(config.JsonColumn);
JsonAccessor = ReflectionTool.PropertyAccessor <IGenericColumns, string>(jsonColumn);
var baseProperties = typeof(TBase).GetProperties()
.Select(p => p.Name);
var configuredProperties = config.PropertyConfigs.Select(cm => cm.PropertyName);
var ignoredProperties = baseProperties.Concat(configuredProperties).ToArray();
_jsonSettings = JsonSettings.Minimal
.Overwrite(j => j.ContractResolver = new DifferentialContractResolver <TReference>(ignoredProperties));
_configuredMappers = config.PropertyConfigs.Select(pc => MapperFactory.Create(pc, concreteType)).ToArray();
}
//[Test]
public void PropertyAccessorIsFaster()
{
// Arrange
var childType = typeof(ChildClass1);
var child1 = new ChildClass1();
var child2 = new ChildClass1();
var prop = childType.GetProperty(nameof(ChildClass1.Foo));
var accessor = ReflectionTool.PropertyAccessor <BaseClass, int>(prop);
// Run once for JIT
var value = prop.GetValue(new ChildClass1());
prop.SetValue(new ChildClass1(), 1);
accessor.ReadProperty(new ChildClass1());
accessor.WriteProperty(new ChildClass1(), 1);
// Act
var stopWatch = new Stopwatch();
stopWatch.Start();
for (int i = 0; i < 100; i++)
{
var next = (int)prop.GetValue(child1) + i;
prop.SetValue(child1, next);
}
stopWatch.Stop();
var reflection = stopWatch.ElapsedTicks;
stopWatch.Restart();
for (int i = 0; i < 100; i++)
{
var next = accessor.ReadProperty(child2) + i;
accessor.WriteProperty(child2, next);
}
stopWatch.Stop();
var accesor = stopWatch.ElapsedTicks;
// Asser
Assert.AreEqual(child1.Foo, child2.Foo);
Assert.Less(accesor, reflection, "Accessor should be faster");
}
public void PropertyAccessor()
{
// Arrange
var childType = typeof(ChildClass1);
var prop = childType.GetProperty(nameof(ChildClass1.Foo));
// Act
var accessor0 = ReflectionTool.PropertyAccessor(prop);
var child0 = new ChildClass1();
accessor0.WriteProperty(child0, 42);
var accessor1 = ReflectionTool.PropertyAccessor <IBaseInterface>(prop);
var child1 = new ChildClass1();
accessor1.WriteProperty(child1, 42);
var child2 = new ChildClass1();
accessor1.WriteProperty(child2, 42L);
var accessor2 = ReflectionTool.PropertyAccessor <BaseClass, long>(prop);
var child3 = new ChildClass1();
accessor2.WriteProperty(child3, 42L);
var accessor3 = ReflectionTool.PropertyAccessor <BaseClass, short>(prop);
var child4 = new ChildClass1();
accessor3.WriteProperty(child4, 42);
var accessor4 = ReflectionTool.PropertyAccessor <ChildClass1, int>(prop);
var child5 = new ChildClass1();
accessor4.WriteProperty(child5, 42);
// Assert
Assert.AreEqual(42, child0.Foo);
Assert.AreEqual(42, child1.Foo);
Assert.AreEqual(42, child2.Foo);
Assert.AreEqual(42, child3.Foo);
Assert.AreEqual(42, child4.Foo);
Assert.AreEqual(42, child5.Foo);
}
protected ConversionAccessor(PropertyInfo property)
{
Target = ReflectionTool.PropertyAccessor <object, TProperty>(property);
}
protected virtual IPropertyAccessor <object, TColumn> CreatePropertyAccessor(PropertyInfo objectProp)
{
// Default conversions
return(ReflectionTool.PropertyAccessor <object, TColumn>(objectProp));
}
public ConversionAccessor(PropertyInfo property, Func <TProperty, TColumn> toColumn, Func <TColumn, TProperty> toProperty)
{
ToColumn = toColumn;
ToProperty = toProperty;
Target = ReflectionTool.PropertyAccessor <object, TProperty>(property);
}