public FileBasedCloudKeeperEnvironment() throws IOException {
temporaryDirectory = Files.createTempDirectory(getClass().getSimpleName());
cloudKeeper =
new SingleVMCloudKeeper.Builder().setWorkspaceBasePath(temporaryDirectory).build();
delegate =
cloudKeeper
.newCloudKeeperEnvironmentBuilder()
.setCleaningRequested(false)
.setStagingAreaProvider(
(runtimeContext, executionTrace, instanceProvider) -> {
Path basePath;
try {
basePath = Files.createTempDirectory(temporaryDirectory, "StagingArea");
return new FileStagingArea.Builder(
runtimeContext, executionTrace, basePath, executorService)
.build();
} catch (IOException exception) {
throw new InstanceProvisionException(
"Failed to provide file-based staging area because temporary directory could not be created.",
exception);
}
})
.build();
}
@Override
public void close() throws IOException {
cloudKeeper.shutdown();
executorService.shutdown();
Files.walkFileTree(temporaryDirectory, RecursiveDeleteVisitor.getInstance());
}