Create your own search provider

public abstract class SearchProvider : ProviderBase
{
    /// <summary>
    /// Gets the class type of the query builder. This class will be used to dynamically
    /// convert SearchCriteria to the query that the Search Provider can understand.
    /// </summary>
    /// <example>
    /// // The following type will build queries for the SOLR server:
    /// "Mediachase.Search.Providers.Solr.SolrSearchQueryBuilder, Mediachase.Search.SolrSearchProvider"
    /// </example>
    public abstract string QueryBuilderType { get; }

    /// <summary>
    /// Searches the datasource using the specified criteria. Criteria is parsed by the
    /// query builder specified by <typeparamref name="QueryBuilderType"/>.
    /// </summary>
    /// <param name="applicationName">Name of the application.</param>
    /// <param name="criteria">The criteria.</param>
    public abstract ISearchResults Search(string applicationName, ISearchCriteria criteria);

    /// <summary>
    /// Adds the document to the index. Depending on the provider, the document will be
    /// committed only after <see cref="Commit"/> is called.
    /// </summary>
    /// <param name="applicationName">Name of the application.</param>
    /// <param name="scope">The scope.</param>
    /// <param name="document">The document.</param>
    public abstract void Index(string applicationName, string scope, ISearchDocument document);

    /// <summary>
    /// Removes the document by specifying scope (core in SOLR), key (a field used to
    /// look up a document), and the value of the key.
    /// </summary>
    /// <param name="applicationName">Name of the application.</param>
    /// <param name="scope">The scope.</param>
    /// <param name="key">The key.</param>
    /// <param name="value">The value.</param>
    public abstract int Remove(string applicationName, string scope, string key, string value);

    /// <summary>
    /// Removes all documents in the specified scope.
    /// </summary>
    /// <param name="applicationName">Name of the application.</param>
    /// <param name="scope">The scope.</param>
    public abstract void RemoveAll(string applicationName, string scope);

    /// <summary>
    /// Closes the specified provider.
    /// </summary>
    /// <param name="applicationName">Name of the application.</param>
    /// <param name="scope">The scope.</param>
    public abstract void Close(string applicationName, string scope);

    /// <summary>
    /// Commits changes made to this instance.
    /// </summary>
    /// <param name="applicationName">Name of the application.</param>
    public abstract void Commit(string applicationName);
}