@Override
public void initialize() throws Exception {
String pathName = config.get().directory().get();
if (pathName == null) {
if (fileConfiguration != null) {
pathName =
new File(fileConfiguration.dataDirectory(), config.get().identity().get())
.getAbsolutePath();
} else {
pathName = System.getProperty("user.dir") + "/qi4j/filestore/";
}
}
File rootDirectory = new File(pathName).getAbsoluteFile();
dataDirectory = new File(rootDirectory, "data");
if (!dataDirectory.exists()) {
if (!dataDirectory.mkdirs()) {
throw new IOException("Unable to create directory " + dataDirectory);
}
}
File slicesFile = new File(dataDirectory, "slices");
if (slicesFile.exists()) {
slices = readIntegerInFile(slicesFile);
}
if (slices < 1) {
Integer slicesConf = config.get().slices().get();
if (slicesConf == null) {
slices = 10;
} else {
slices = slicesConf;
}
writeIntegerToFile(slicesFile, slices);
}
}
// START SNIPPET: refresh
public void doSomething() {
// Refresh Configuration before reading it.
config.refresh();
TravelPlanConfiguration tpConf = config.get();
// ...
}
@Override
public void activateService() throws Exception {
configuration.refresh();
RiakHttpEntityStoreConfiguration config = configuration.get();
int maxConnections =
config.maxConnections().get() == null
? DEFAULT_MAX_CONNECTIONS
: config.maxConnections().get();
int timeoutMillis = config.timeout().get();
List<String> urls = config.urls().get();
if (urls.isEmpty()) {
urls.add(DEFAULT_URL);
}
bucketKey = config.bucket().get() == null ? DEFAULT_BUCKET_KEY : config.bucket().get();
HTTPClusterConfig httpClusterConfig = new HTTPClusterConfig(maxConnections);
for (String url : urls) {
HTTPClientConfig clientConfig =
new HTTPClientConfig.Builder().withTimeout(timeoutMillis).withUrl(url).build();
httpClusterConfig.addClient(clientConfig);
}
riakClient = RiakFactory.newClient(httpClusterConfig);
if (!riakClient.listBuckets().contains(bucketKey)) {
riakClient.createBucket(bucketKey).execute();
}
}
@Override
public void activateService() throws Exception {
// Handle configuration defaults
SchedulerConfiguration configuration = config.get();
Integer workersCount = configuration.workersCount().get();
Integer workQueueSize = configuration.workQueueSize().get();
if (workersCount == null) {
workersCount = DEFAULT_WORKERS_COUNT;
LOGGER.debug(
"Workers count absent from configuration, falled back to default: {} workers",
DEFAULT_WORKERS_COUNT);
}
if (workQueueSize == null) {
workQueueSize = DEFAULT_WORKQUEUE_SIZE;
LOGGER.debug(
"WorkQueue size absent from configuration, falled back to default: {}",
DEFAULT_WORKQUEUE_SIZE);
}
int corePoolSize = 2;
if (workersCount > 4) {
corePoolSize = workersCount / 4;
}
// Throws IllegalArgument if corePoolSize or keepAliveTime less than zero, or if workersCount
// less than or equal to zero, or if corePoolSize greater than workersCount.
taskExecutor =
new ThreadPoolExecutor(
corePoolSize,
workersCount,
0,
TimeUnit.MILLISECONDS,
new LinkedBlockingQueue<Runnable>(workQueueSize),
threadFactory,
rejectionHandler);
taskExecutor.prestartAllCoreThreads();
managementExecutor = new ScheduledThreadPoolExecutor(2, threadFactory, rejectionHandler);
loadSchedules();
LOGGER.debug("Activated");
}
private void foo() {
TravelPlanConfiguration tpConf = config.get();
String hostName = tpConf.hostName().get();
// ...
}