public bool TrySet <TProperty>(TInstance instance, string propertyName, TProperty value)
{
var cache = _genericInstanceSettersCache;
var setter = cache[propertyName] as Action <TInstance, TProperty>;
if (setter is null)
{
if (!Properties.TryGetValue(propertyName, out var prop))
{
return(false);
}
lock (cache)
{
setter = cache[propertyName] as Action <TInstance, TProperty>;
if (setter is null)
{
try
{
setter = AccessorBuilder.BuildSetter <TInstance, TProperty>(
prop.Name, IncludesNonPublic);
cache[prop.Name] = setter;
} catch (ArgumentException)
{
return(false);
}
}
}
}
setter(instance, value);
return(true);
}
internal GenericAccessor(bool ignoreCase, bool includeNonPublic)
: base(typeof(TInstance), ignoreCase, includeNonPublic)
{
_genericPropertiesGettersCache = new Hashtable(Properties.Count, Comparer);
_genericPropertiesSettersCache = new Hashtable(Properties.Count, Comparer);
_genericInstanceGettersCache = new Hashtable(Properties.Count, Comparer);
_genericInstanceSettersCache = new Hashtable(Properties.Count, Comparer);
foreach (var pair in Properties)
{
var propName = pair.Key;
var prop = pair.Value;
if (prop.CanRead)
{
_genericPropertiesGettersCache[propName] =
AccessorBuilder.BuildGetter <TInstance>(prop, IncludesNonPublic);
}
if (prop.CanWrite)
{
_genericPropertiesSettersCache[propName] =
AccessorBuilder.BuildSetter <TInstance>(prop, IncludesNonPublic);
}
}
}
internal Accessor(IReflect type, bool ignoreCase, bool includeNonPublic)
{
Type = type;
IgnoreCase = ignoreCase;
IncludesNonPublic = includeNonPublic;
Comparer = IgnoreCase ? StringComparer.OrdinalIgnoreCase : StringComparer.Ordinal;
var flags = BindingFlags.Public | BindingFlags.Instance;
if (IncludesNonPublic)
{
flags = flags | BindingFlags.NonPublic;
}
Properties = Type.GetProperties(flags);
_objectGettersCache = new Dictionary <string, Func <object, object> >(Properties.Length, Comparer);
_objectSettersCache = new Dictionary <string, Action <object, object> >(Properties.Length, Comparer);
foreach (var prop in Properties)
{
var propName = prop.Name;
_objectGettersCache[propName] = AccessorBuilder.BuildGetter(prop, IncludesNonPublic);
_objectSettersCache[propName] = AccessorBuilder.BuildSetter(prop, IncludesNonPublic);
}
}
/// <summary>
/// Attempts to set the value of the given <paramref name="propertyName"/> for the given <paramref name="instance"/>.
/// </summary>
public bool TrySet <TProperty>(TInstance instance, string propertyName, TProperty value)
{
var cache = _genericInstanceSettersCache;
Action <TInstance, TProperty> setter;
if (!cache.TryGetValue(propertyName, out object tmpSetter))
{
lock (cache)
{
if (!cache.TryGetValue(propertyName, out object tmp))
{
try
{
setter = AccessorBuilder.BuildSetter <TInstance, TProperty>(propertyName, IncludesNonPublic);
cache[propertyName] = setter;
} catch (ArgumentException)
{
return(false);
}
}
else
{
setter = (Action <TInstance, TProperty>)tmp;
}
}
}
else
{
setter = (Action <TInstance, TProperty>)tmpSetter;
}
setter(instance, value);
return(true);
}
internal ObjectAccessor(IReflect type, bool ignoreCase, bool includeNonPublic)
: base(type, ignoreCase, includeNonPublic)
{
_objectGettersCache = new Dictionary <string, Func <object, object> >(Properties.Length, Comparer);
_objectSettersCache = new Dictionary <string, Action <object, object> >(Properties.Length, Comparer);
foreach (var prop in Properties)
{
var propName = prop.Name;
if (prop.CanRead)
{
_objectGettersCache[propName] = AccessorBuilder.BuildGetter(prop, IncludesNonPublic);
}
if (prop.CanWrite)
{
_objectSettersCache[propName] = AccessorBuilder.BuildSetter(prop, IncludesNonPublic);
}
}
}
internal GenericAccessor(bool ignoreCase, bool includeNonPublic) : base(typeof(TInstance), ignoreCase, includeNonPublic)
{
_genericPropertiesGettersCache = new Dictionary <string, Func <TInstance, object> >(Comparer);
_genericPropertiesSettersCache = new Dictionary <string, Action <TInstance, object> >(Comparer);
_genericInstanceGettersCache = new Dictionary <string, object>(Comparer);
_genericInstanceSettersCache = new Dictionary <string, object>(Comparer);
foreach (var prop in Properties)
{
var propName = prop.Name;
if (prop.CanRead)
{
_genericPropertiesGettersCache[propName] = AccessorBuilder.BuildGetter <TInstance>(prop, IncludesNonPublic);
}
if (prop.CanWrite)
{
_genericPropertiesSettersCache[propName] = AccessorBuilder.BuildSetter <TInstance>(prop, IncludesNonPublic);
}
}
}
internal ObjectAccessor(IReflect type, bool ignoreCase, bool includeNonPublic)
: base(type, ignoreCase, includeNonPublic)
{
_objectGettersCache = new Hashtable(Properties.Count, Comparer);
_objectSettersCache = new Hashtable(Properties.Count, Comparer);
foreach (var pair in Properties)
{
var propName = pair.Key;
var prop = pair.Value;
if (prop.CanRead)
{
_objectGettersCache[propName] = AccessorBuilder.BuildGetter(prop, IncludesNonPublic);
}
if (prop.CanWrite)
{
_objectSettersCache[propName] = AccessorBuilder.BuildSetter(prop, IncludesNonPublic);
}
}
}
public bool TryGet <TProperty>(TInstance instance, string propertyName, out TProperty value)
{
var cache = _genericInstanceGettersCache;
var getter = cache[propertyName] as Func <TInstance, TProperty>;
if (getter is null)
{
if (!Properties.TryGetValue(propertyName, out var prop))
{
value = default(TProperty);
return(false);
}
lock (cache)
{
getter = cache[propertyName] as Func <TInstance, TProperty>;
if (getter is null)
{
try
{
getter = AccessorBuilder.BuildGetter <TInstance, TProperty>(
prop.Name, IncludesNonPublic);
cache[prop.Name] = getter;
} catch (ArgumentException)
{
value = default(TProperty);
return(false);
}
}
}
}
value = getter(instance);
return(true);
}
/// <summary>
/// Attempts to get the value of a property selected by the given <paramref name="propertyName"/>
/// for the given <paramref name="instance"/>.
/// </summary>
public bool TryGet <TProperty>(TInstance instance, string propertyName, out TProperty value)
{
var cache = _genericInstanceGettersCache;
Func <TInstance, TProperty> getter;
if (!cache.TryGetValue(propertyName, out object tmpGetter))
{
lock (cache)
{
if (!cache.TryGetValue(propertyName, out object tmp))
{
try
{
getter = AccessorBuilder.BuildGetter <TInstance, TProperty>(propertyName, IncludesNonPublic);
cache[propertyName] = getter;
} catch (ArgumentException)
{
value = default(TProperty);
return(false);
}
}
else
{
getter = (Func <TInstance, TProperty>)tmp;
}
}
}
else
{
getter = (Func <TInstance, TProperty>)tmpGetter;
}
value = getter(instance);
return(true);
}
