/// <summary>
/// Updates the specified object in the IndexWriter.
/// </summary>
/// <typeparam name="T">
/// The type of the object to update.
/// </typeparam>
/// <param name="writer">
/// The IndexWriter to update the object in.
/// </param>
/// <param name="obj">
/// The new object to write.
/// </param>
/// <param name="settings">
/// The MappingSettings to use when creating the Document to add to the index.
/// </param>
/// <param name="predicate">
/// The predicate for selecting the item to update.
/// </param>
/// <param name="analyzer">
/// The Analyzer to use.
/// </param>
public static void Update <T>(this IndexWriter writer, T obj, MappingSettings settings, Expression <Func <T, bool> > predicate, Analyzer analyzer)
{
if (null == writer)
{
throw new ArgumentNullException("writer");
}
else if (null == obj)
{
throw new ArgumentNullException("obj");
}
else if (null == settings)
{
throw new ArgumentNullException("settings");
}
else if (null == predicate)
{
throw new ArgumentNullException("predicate");
}
else if (null == analyzer)
{
throw new ArgumentNullException("analyzer");
}
MappedFieldResolver resolver = settings.ObjectMapper.GetMappedFieldResolver();
Query query = resolver.GetQuery(predicate);
Update <T>(writer, obj, settings, query, analyzer);
}
/// <summary>
/// Deletes the matching objects in the IndexWriter.
/// </summary>
/// <typeparam name="T">
/// The type of the object to update.
/// </typeparam>
/// <param name="writer">
/// The IndexWriter to update the object in.
/// </param>
/// <param name="predicate">
/// The predicate for selecting the item to update.
/// </param>
public static void Delete <T>(this IndexWriter writer, Expression <Func <T, bool> > predicate)
{
if (null == writer)
{
throw new ArgumentNullException("writer");
}
else if (null == predicate)
{
throw new ArgumentNullException("predicate");
}
MappingSettings settings = MappingSettings.Default;
MappedFieldResolver resolver = settings.ObjectMapper.GetMappedFieldResolver();
Query query = resolver.GetQuery(predicate);
DeleteDocuments <T>(writer, query);
}
