public ReflectedMember(MemberInfo member, SolrFieldAttribute solrAttr)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
if (member is PropertyInfo || member is FieldInfo)
{
MemberName = member.Name;
Type = GetMemberType(member);
Get = GetGetter(member);
Set = GetSetter(member);
}
else
{
throw new ArgumentException("Invalid member type, only Properties and Fields are supported", "member");
}
if (solrAttr == null)
{
throw new ArgumentNullException("solrAttr");
}
SolrField = solrAttr.Field ?? MemberName;
SolrFieldBoost = solrAttr.Boost;
ReadOnly = solrAttr.ReadOnly;
}
void IExpressionBuilder <TDocument> .GetInfosFromExpression(Expression <Func <TDocument, object> > expression, out PropertyInfo propertyInfo, out SolrFieldAttribute solrFieldAttribute)
{
if (this._expressionCache.Get(expression, out propertyInfo, out solrFieldAttribute))
{
return;
}
var lambda = (LambdaExpression)expression;
MemberExpression memberExpression;
switch (lambda.Body.NodeType)
{
case ExpressionType.Convert:
var unaryExpression = (UnaryExpression)lambda.Body;
memberExpression = (MemberExpression)unaryExpression.Operand;
propertyInfo = memberExpression.Member as PropertyInfo;
Checker.IsNull(propertyInfo, Resource.ExpressionMustBePropertyException);
break;
case ExpressionType.MemberAccess:
memberExpression = (MemberExpression)lambda.Body;
propertyInfo = memberExpression.Member as PropertyInfo;
Checker.IsNull(propertyInfo, Resource.ExpressionMustBePropertyException);
break;
}
if (propertyInfo != null)
{
var attrs = propertyInfo.GetCustomAttributes(true);
solrFieldAttribute = (SolrFieldAttribute)attrs.FirstOrDefault(q => q is SolrFieldAttribute);
this._expressionCache.Set(expression, propertyInfo, solrFieldAttribute);
}
else
{
throw new InvalidOperationException(Resource.UnknownToResolveExpressionException);
}
}
void IExpressionCache <TDocument> .Set(Expression <Func <TDocument, object> > expression, PropertyInfo propertyInfo, SolrFieldAttribute solrFieldAttribute)
{
var key = GetKeyFromExpression(expression);
var cache = new Tuple <PropertyInfo, SolrFieldAttribute>(propertyInfo, solrFieldAttribute);
if (this._internalCache.ContainsKey(key))
{
this._internalCache[key] = cache;
}
else
{
this._internalCache.Add(key, cache);
}
}
bool IExpressionCache <TDocument> .Get(Expression <Func <TDocument, object> > expression, out PropertyInfo propertyInfo, out SolrFieldAttribute solrFieldAttribute)
{
var key = GetKeyFromExpression(expression);
if (this._internalCache.ContainsKey(key))
{
var cache = this._internalCache[key];
propertyInfo = cache.Item1;
solrFieldAttribute = cache.Item2;
return(true);
}
propertyInfo = null;
solrFieldAttribute = null;
return(false);
}
