/// <summary>
/// index the current document
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public bool Index(IndexContext context)
{
var doc = this.InitDocument(context);
if (!this.Processor.AddDocument(doc))
throw new Exception("index current archive failed");
// do something after index current document
if (this.IndexEvent != null)
{
this.IndexEvent(context);
}
return true;
}
/// <summary>
/// initialize the current document's index info
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
private Document InitDocument(IndexContext context)
{
if (context == null || context.Document == null)
throw new ArgumentNullException("context");
Document doc = new Document();
var properties = Property.GetProperties(context.Document.GetType());
foreach (var property in properties)
{
// get all the attribute witch add for build index info
var attributes = UtilityLib.Reflection.Attribute.GetAttributes<BaseAttribute>(context.Document, property);
if (attributes == null) // means this property no need to be index
continue;
// TODO: 将 FieldInfo 改成缓存
context.CurrentFieldInfo = new FieldAnalyseInfo
{
FieldName = property.Name,
FieldValue = UtilityLib.Reflection.Property.GetValue(context.Document, property)
};
// fill the property info, order by attribute's priority before fill
foreach (var attribute in attributes.OrderByPriority())
{
attribute.Execute(context);
}
// save the property witch was processed
doc.SetField(context.CurrentFieldInfo);
}
return doc;
}