/**
     * Create RDMA provider based on preference string
     *
     * @param preference provider preference ("auto", "disni", "tcp", etc.)
     * @return best available RDMA provider, or null if none available
     */
    public static RdmaProvider createProvider(String preference) {
        if ("auto".equalsIgnoreCase(preference)) {
            return selectBestProvider();
        }

            if (session != null) {
                return session.getId();
            }
            final String preference = r.getParameter("preference");
            if (preference != null) {
                return Integer.toString(preference.hashCode());
            }
            final Object accessType = r.getAttribute(Constants.SEARCH_LOG_ACCESS_TYPE);

     * Defines the sorting order if redirection fails.
     */
    public String sort;

    /**
     * Language parameter for error page fallback.
     * Specifies the language preference if redirection fails.
     */
    public String lang;

    /**
     * Additional fields map for error page fallback.
     * Contains extra search parameters as key-value pairs if redirection fails.
     */

     */
    public void setConnTimeout(final long connTimeout) {
        this.connTimeout = connTimeout;
    }

    /**
     * Sets the search preference for search requests.
     *
     * @param searchPreference The search preference.
     */
    public void setSearchPreference(final String searchPreference) {
        this.searchPreference = searchPreference;
    }

    @Override

        if (rssCapable)
            score += 1000; // Prefer RSS-capable
        if (rdmaCapable)
            score += 2000; // Prefer RDMA-capable
        // Note: No IPv4 preference bonus to keep base score equal to link speed

        return score;
    }

    /**
     * Encode this interface info for FSCTL_QUERY_NETWORK_INTERFACE_INFO response
     *
     * @return encoded bytes

     *
     * If enabled, SmbFile instances starting with their first use will hold a reference to their tree.
     * This means that trees/sessions/connections won't be idle-disconnected even if there are no other active
     * references (currently executing code, file descriptors).
     *

    public static Path getEnvPath(final String envName, final String... names) {
        return getPath("WEB-INF/", "env/" + envName, names);
    }

    /**
     * Gets the path by trying multiple locations in order of preference.
     * First tries to get the real path from servlet context, then checks various
     * fallback locations including source and target directories.
     *
     * @param root the root directory (e.g., "WEB-INF/")

    .setTags(new String[]{"category"})      // filter by tags
    .setRoles(new String[]{"user"})         // filter by roles  
    .setLanguages(new String[]{"en", "ja"}) // language preference
    .setFields(new String[]{"title"})       // search specific fields
    .execute()
    .getResponse();
```

## Project Structure

```
src/
├── main/java/org/codelibs/fess/suggest/

        }
    }
    
    // Fall back to TCP
    return new SmbTransport(context, address.getAddress(), address.getPort());
}

private RdmaProvider selectRdmaProvider() {
    // Try providers in order of preference
    List<RdmaProvider> providers = Arrays.asList(
        new DisniRdmaProvider(),      // InfiniBand/RoCE
        new JxioRdmaProvider(),       // Alternative RDMA library

  - [Apache Solr](#apache-solr)
  - [Other Search Systems](#other-search-systems)
- [Data Import Methods](#data-import-methods)
- [Configuration Migration](#configuration-migration)
- [API Reference](#api-reference)
- [Troubleshooting](#troubleshooting)
- [Migration Checklist](#migration-checklist)

---

## Supported Migration Sources

Fess provides built-in support and compatibility layers for: