org.apache.flink.tests.util.cache

Class TravisDownloadCache

java.lang.Object

org.apache.flink.tests.util.cache.TravisDownloadCache

All Implemented Interfaces:

DownloadCache, ExternalResource, org.junit.rules.TestRule

public final class TravisDownloadCache
extends Object

Travis-specific DownloadCache implementation that caches downloaded files in a configured directory. Cached files that are older than the configured number of builds will be removed.

See Also:

TravisDownloadCacheFactory, TravisDownloadCacheFactory.TMP_DIR, TravisDownloadCacheFactory.BUILDS_TO_LIVE

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor and Description
TravisDownloadCache(Path path, int ttl, int buildNumber)

Method Summary

Modifier and Type	Method and Description
void	afterTestSuccess()
void	before()
Path	getOrDownload(String url, Path targetDir) Returns either a cached or newly downloaded version of the given file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.flink.tests.util.cache.DownloadCache

get

Methods inherited from interface org.apache.flink.util.ExternalResource

afterTestFailure, apply

Field Detail

log

protected final org.slf4j.Logger log

Constructor Detail

TravisDownloadCache

public TravisDownloadCache(Path path,
                           int ttl,
                           int buildNumber)

Method Detail

before

public void before()
            throws IOException

Specified by:

before in interface ExternalResource

Throws:

IOException

afterTestSuccess

public void afterTestSuccess()

Specified by:

afterTestSuccess in interface ExternalResource

getOrDownload

public Path getOrDownload(String url,
                          Path targetDir)
                   throws IOException

Description copied from interface: DownloadCache

Returns either a cached or newly downloaded version of the given file. The returned file path is guaranteed to be located in the given target directory.

Specified by:

getOrDownload in interface DownloadCache

Parameters:

url - File/directory to download

targetDir - directory to place file in

Returns:

downloaded or cached file

Throws:

IOException - if any IO operation fails