FetchPool class
Class used to fetch a list of URLs in parallel, only using a set number of operations in parallel.
Constructors
-
FetchPool({required int maxConcurrent, required List<
String> urls, required String destinationDirectory, FetchPoolFileNamingStrategy fileNamingStrategy = FetchPoolFileNamingStrategy.basename, FetchPoolFileOverwritingStrategy fileOverwritingStrategy = FetchPoolFileOverwritingStrategy.overwrite}) - Creates a new instance allowing maxConcurrent parallel downloads
Properties
- client ↔ Client
-
The HTTP client to use
getter/setter pair
- destinationDirectory → String
-
Destination download directory
final
- fileNamingStrategy → FetchPoolFileNamingStrategy
-
Indicates how the local filename should be named. Defaults to
basename.final - fileOverwritingStrategy → FetchPoolFileOverwritingStrategy
-
Indicates how to handle files of the same name that already exist in the
target directory. Defaults to
overwrite.final - hashCode → int
-
The hash code for this object.
no setterinherited
- maxConcurrent → int
-
Max number of concurrent operations (downloads)
final
-
resultsByUrl
→ Map<
String, FetchPoolResult> -
Results keyed by the URL string
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
urls
→ List<
String> -
List of URLs to download
final
Methods
-
fetch(
{dynamic progressCallback(double)?}) → Future< Map< String, FetchPoolResult> > - Starts fetching the list of URLs
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
filenameFromUrl(
String urlString, [FetchPoolFileNamingStrategy fileNamingStrategy = FetchPoolFileNamingStrategy.basename]) → String - Convert the given Url string to a local filename, applying the given naming strategy