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Schema Class

Provides access to the property metadata management system for Enterprise Search.

System.Object
  Microsoft.Office.Server.Search.Administration.Schema

Namespace:  Microsoft.Office.Server.Search.Administration
Assembly:  Microsoft.Office.Server.Search (in Microsoft.Office.Server.Search.dll)
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
public sealed class Schema

The Schema class is the entry point for managing the Enterprise Search metadata schema for a Shared Service Provider's search service. To use the Schema object, you must do the following:

  1. Add references to your application for the following dlls:

    • Microsoft.SharePoint.dll

    • Microsoft.Office.Server.dll

    • Microsoft.Office.Server.Search.dll

  2. Specify the Shared Service Provider for the search service using the SearchContext object. For more information about ways to retrieve the search context, see How to: Return the Search Context for the Search Service Provider.

The following topics contain code samples demonstrating how to use the Schema object model to perform various metadata management tasks programmatically:

How to: Retrieve the Managed Properties for a Shared Services Provider

How to: Create a Managed Property

How to: Delete a Managed Property

How to: Retrieve the Crawled Properties for a Category in the Search Schema

How to: Retrieve the Crawled Properties Mapped to a Managed Property

How to: Map a Crawled Property to a Managed Property

The following code example writes out the full list of managed properties to the console window. For a complete, step-by-step walkthrough of this sample code, see How to: Retrieve the Managed Properties for a Shared Services Provider.

Prerequisites

Ensure a Shared Service Provider is already created.

Project References

Add the following Project References in your console application code project before running this sample:

  • Microsoft.SharePoint

  • Microsoft.Office.Server

  • Microsoft.Office.Server.Search

using System;
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Office.Server.Search.Administration;
using Microsoft.SharePoint;

namespace ManagedPropertiesSample
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                //Replace <SiteName> with the name of a site using the Shared Service Provider.
                string strURL = "http://<SiteName>";
                Schema sspSchema = new Schema(SearchContext.GetContext(new SPSite(strURL)));
                ManagedPropertyCollection properties = sspSchema.AllManagedProperties;
                foreach (ManagedProperty property in properties)
                {
                    Console.WriteLine(property.Name);
                }
            }
            catch(Exception ex)
            {
                 Console.WriteLine(ex.ToString());
            }
        }
    }
}
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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