matlab.io.datastore.FoldersPropertyProvider.populateFoldersFromLocation - Populate Folders property from datastore location argument - MATLAB (original) (raw)

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Class: matlab.io.datastore.FoldersPropertyProvider
Namespace: matlab.io.datastore

Populate Folders property from datastore location argument

Syntax

populateFoldersFromLocation(ds,location)

Description

populateFoldersFromLocation([ds](#mw%5F65400bc6-f5ba-4624-a75a-a735782dfc57),[location](#mw%5Fc73b4359-531f-4ab7-aa51-d80fdcfda6bc)) populates the Folders property of the datastore ds using the location input to the datastore.

If your custom datastore class inherits from matlab.io.datastore.FoldersPropertyProvider, then you can callpopulateFoldersFromLocation in the datastore constructor of the class to populate the Folders property.

Input Arguments

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Location of files or folders in datastore, specified as one of these values:

• A character vector listing a valid folder, file, or wildcard name.
• A string array or cell array of character vectors containing valid folder, file, or wildcard names.
• A matlab.io.datastore.DsFileSet object

Examples

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If your custom datastore class inherits frommatlab.io.datastore.FoldersPropertyProvider to add support for aFolders property, then you can use thepopulateFoldersFromLocation method in the datastore constructor to populate the Folders property.

For example, the datastore constructor used in the example Develop Custom Datastore for DICOM Data uses thepopulateFoldersFromLocation method to populate theFolders property:

    function myds = DICOMDatastore(location)
        % The class constructor to set properties of the datastore. 
        myds.Files = matlab.io.datastore.FileSet(location, ...
            "IncludeSubfolders", true);
        populateFoldersFromLocation(myds,location);
        reset(myds);
    end

Version History

Introduced in R2020a