/**
* Finds the multichunks that need to be downloaded to apply the given file system actions. The
* method looks at all {@link FileCreatingFileSystemAction}s and returns their multichunks.
*/
private Set<MultiChunkId> determineRequiredMultiChunks(
List<FileSystemAction> actions, MemoryDatabase winnersDatabase) {
Set<MultiChunkId> multiChunksToDownload = new HashSet<MultiChunkId>();
for (FileSystemAction action : actions) {
if (action
instanceof
FileCreatingFileSystemAction) { // TODO [low] This adds ALL multichunks even though some
// might be available locally
multiChunksToDownload.addAll(
determineMultiChunksToDownload(action.getFile2(), winnersDatabase));
}
}
return multiChunksToDownload;
}
