SearchIndexer.Read

Parameters

Returns

bool Returns false if the version of the index is not supported.

Description

Reads a stream and populates the index from it.

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

static class Example_SearchIndexer_Read
{
    [MenuItem("Examples/SearchIndexer/Read")]
    public static void Run()
    {
        var si = new SearchIndexer();
        si.Start();
        si.AddDocument("document 1");
        si.AddDocument("document 2");
        si.Finish();
        while (!si.IsReady())
            return;

        File.WriteAllBytes("Temp/Read.index", si.SaveBytes());

        // Stream the index from disk but only check if the stream is valid.
        using (var fileStream = new FileStream("Temp/Read.index", FileMode.Open, FileAccess.Read, FileShare.Read))
        {
            var copyIndex = new SearchIndexer();
            Debug.Assert(copyIndex.Read(fileStream, checkVersionOnly: true));
        }

        // Completely stream the index from disk.
        using (var fileStream = new FileStream("Temp/Read.index", FileMode.Open, FileAccess.Read, FileShare.Read))
        {
            var copyIndex = new SearchIndexer();
            Debug.Assert(copyIndex.Read(fileStream, checkVersionOnly: false));
            Debug.Assert(copyIndex.GetDocument(0).id == "document 1");
        }
    }
}