reset
Reset datastore to initial state
Syntax
Description
Examples
Reset Datastore to Initial State
Create a datastore from the sample file, mapredout.mat
, which is the output file of the mapreduce
function.
ds = datastore('mapredout.mat');
Read the first key-value pair.
T = read(ds);
Reset the datastore to the state where no data has been read from it.
reset(ds)
Input Arguments
ds
— Input datastore
datastore
Input datastore. You can use these datastores as input to the
reset
method.
MATLAB® datastores — Datastores created using MATLAB
datastore
functions. For example, create a datastore for a collection of images usingImageDatastore
. For a complete list of datastores, see Select Datastore for File Format or Application.Combined or transformed datastores — Datastores created using the
combine
andtransform
functions.Custom datastores — Datastores created using the custom datastore framework. See Develop Custom Datastore.
Extended Capabilities
Thread-Based Environment
Run code in the background using MATLAB® backgroundPool
or accelerate code with Parallel Computing Toolbox™ ThreadPool
.
Usage notes and limitations:
In a thread-based environment, you can use
reset
only with the following datastores:ImageDatastore
objectsCombinedDatastore
,SequentialDatastore
, orTransformedDatastore
objects you create fromImageDatastore
objects by usingcombine
ortransform
You can use
reset
with other datastores if you have Parallel Computing Toolbox™. To do so, run the function using a process-backed parallel pool instead of usingbackgroundPool
orThreadPool
(use eitherProcessPool
orClusterPool
).
For more information, see Run MATLAB Functions in Thread-Based Environment.
Version History
Introduced in R2014b
See Also
MATLAB Command
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