/**
* Sets up all dependencies before a test runs.
*
* @throws Exception if setting up the meta manager, the lock manager or the evictor fails
*/
@Before
public final void before() throws Exception {
File tempFolder = mTestFolder.newFolder();
mMetaManager = TieredBlockStoreTestUtils.defaultMetadataManager(tempFolder.getAbsolutePath());
mManagerView =
new BlockMetadataManagerView(
mMetaManager, Collections.<Long>emptySet(), Collections.<Long>emptySet());
TachyonConf conf = WorkerContext.getConf();
conf.set(Constants.WORKER_EVICTOR_CLASS, LRFUEvictor.class.getName());
conf.set(Constants.WORKER_ALLOCATOR_CLASS, MaxFreeAllocator.class.getName());
mAllocator = Allocator.Factory.create(conf, mManagerView);
mStepFactor = conf.getDouble(Constants.WORKER_EVICTOR_LRFU_STEP_FACTOR);
mAttenuationFactor = conf.getDouble(Constants.WORKER_EVICTOR_LRFU_ATTENUATION_FACTOR);
mEvictor = Evictor.Factory.create(conf, mManagerView, mAllocator);
}
private void cache(long sessionId, long blockId, long bytes, int tierLevel, int dirIdx)
throws Exception {
StorageDir dir = mMetaManager.getTiers().get(tierLevel).getDir(dirIdx);
TieredBlockStoreTestUtils.cache(sessionId, blockId, bytes, dir, mMetaManager, mEvictor);
}