DotLucene 1.4 API Documentation |

# Filter Class

Abstract base class providing a mechanism to restrict searches to a subset of an index.

For a list of all members of this type, see Filter Members.

System.Object
Lucene.Net.Search.Filter
Lucene.Net.Search.CachingWrapperFilter
Lucene.Net.Search.DateFilter
Lucene.Net.Search.QueryFilter

public abstract class Filter

#### Thread Safety

Public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Instance members are not guaranteed to be thread-safe.

#### Requirements

Namespace: Lucene.Net.Search

Assembly: Lucene.Net (in Lucene.Net.dll)

#### See Also

Filter Members | Lucene.Net.Search Namespace