Version: 2022.3
LanguageEnglish
  • C#

SearchIndexer.Start

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Declaration

public void Start(bool clear);

Parameters

clear True if the the current index should be cleared.

Description

Starts indexing entries.

using System.Linq;
using UnityEditor;
using UnityEditor.Search;
using UnityEngine;

/// <summary>
/// SearchIndexer.Finish is always a threaded operation, meaning that all indexes
/// will be computed in a thread and Search will callback when the index is ready
/// to be used.
/// </summary>
static class Example_SearchIndexer_Finish
{
    [MenuItem("Examples/SearchIndexer/Finish")]
    public static void Run()
    {
        // Create an indexer and wait for indexing to complete in the current thread.
        var si = new SearchIndexer();
        si.Start();
        si.AddProperty("wait", "yes", si.AddDocument("Wait"));
        si.Finish();
        while (!si.IsReady())
            return;
        Debug.Assert(si.IsReady());

        // Reset the indexer and receive a callback when the indexing is completed.
        si.Start(clear: true);
        si.AddProperty("wait", "callback", si.AddDocument("Callback"));
        si.Finish(() => Debug.Log("Indexing is ready."));
        while (!si.IsReady())
            return;

        // Reset the indexer and receive a callback when the indexing is completed and backup the index.
        // With that override you can also indicate if you want any documents to be deleted
        si.Start(clear: false);
        si.AddProperty("wait", "callback", si.AddDocument("CallbackBytes"));
        si.AddProperty("wait", "callback", si.AddDocument("DeleteMe"));
        si.Finish((bytes) => Debug.Log($"Indexing is ready and its size is {bytes.Length}."), new string[] { "Callback", "DeleteMe" });
    }
}