method2testcases
stringlengths
118
3.08k
### Question: TemplateOptions extends RunScriptOptions implements Cloneable { public int[] getInboundPorts() { return Ints.toArray(inboundPorts); } @Override TemplateOptions clone(); void copyTo(TemplateOptions to); boolean equals(Object o); @Override int hashCode(); @Override ToStringHelper string(); int[] getInbound...
### Question: TemplateOptions extends RunScriptOptions implements Cloneable { public boolean shouldBlockUntilRunning() { return blockUntilRunning; } @Override TemplateOptions clone(); void copyTo(TemplateOptions to); boolean equals(Object o); @Override int hashCode(); @Override ToStringHelper string(); int[] getInboun...
### Question: JschSshClient implements SshClient { SshException propagate(Exception e, String message) { message += ": " + e.getMessage(); if (e.getMessage() != null && e.getMessage().indexOf("Auth fail") != -1) throw new AuthorizationException("(" + toString() + ") " + message, e); throw e instanceof SshException ? Ss...
### Question: DelegatingImageExtension implements ImageExtension { public boolean deleteImage(String id) { boolean success = delegate.deleteImage(id); if (success) { imageCache.removeImage(id); } return success; } @Inject DelegatingImageExtension(@Assisted ImageCacheSupplier imageCache, @Assisted ImageExtension delega...
### Question: ProfitBricksSoapMessageEnvelope implements HttpRequestFilter { @Override public HttpRequest filter(HttpRequest request) throws HttpException { checkNotNull(request.getPayload(), "HTTP Request must contain payload message."); return createSoapRequest(request); } @Override HttpRequest filter(HttpRequest re...
### Question: MacAddresses { public static boolean isMacAddress(String in) { return MAC_ADDR_PATTERN.matcher(in).matches(); } static boolean isMacAddress(String in); }### Answer: @Test public void testIsMacAddress() { for (String addr : expectedValidAddresses) assertTrue(isMacAddress(addr)); for (String addr : expect...
### Question: DeregisterLoadBalancerRequestBinder extends BaseProfitBricksRequestBinder<LoadBalancer.Request.DeregisterPayload> { @Override protected String createPayload(LoadBalancer.Request.DeregisterPayload payload) { requestBuilder.append("<ws:deregisterServersOnLoadBalancer>"); for (String s : payload.serverIds())...
### Question: BackoffOnNotFoundWhenGetBucketACL extends CacheLoader<String, AccessControlList> { @Override public AccessControlList load(String bucketName) { ResourceNotFoundException last = null; for (int currentTries = 0; currentTries < maxTries; currentTries++) { try { return client.getBucketACL(bucketName); } catch...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public CopyObjectOptions overrideMetadataWith(Map<String, String> metadata) { checkNotNull(metadata, "metadata"); this.metadata = metadata; return this; } @Inject void setMetadataPrefix(@Named(PROPERTY_USER_METADATA_PREFIX) String metadataPrefix); @Injec...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public String getIfModifiedSince() { return getFirstHeaderOrNull(COPY_SOURCE_IF_MODIFIED_SINCE); } @Inject void setMetadataPrefix(@Named(PROPERTY_USER_METADATA_PREFIX) String metadataPrefix); @Inject void setHeaderTag(@Named(PROPERTY_HEADER_TAG) String h...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public CopyObjectOptions ifSourceModifiedSince(Date ifModifiedSince) { checkState(getIfMatch() == null, "ifETagMatches() is not compatible with ifModifiedSince()"); checkState(getIfUnmodifiedSince() == null, "ifUnmodifiedSince() is not compatible with ifM...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public CopyObjectOptions ifSourceUnmodifiedSince(Date ifUnmodifiedSince) { checkState(getIfNoneMatch() == null, "ifETagDoesntMatch() is not compatible with ifUnmodifiedSince()"); checkState(getIfModifiedSince() == null, "ifModifiedSince() is not compatibl...
### Question: CreateLoadBalancerRequestBinder extends BaseProfitBricksRequestBinder<LoadBalancer.Request.CreatePayload> { @Override protected String createPayload(LoadBalancer.Request.CreatePayload payload) { requestBuilder.append("<ws:createLoadBalancer>") .append("<request>") .append(format("<dataCenterId>%s</dataCen...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public String getIfUnmodifiedSince() { return getFirstHeaderOrNull(COPY_SOURCE_IF_UNMODIFIED_SINCE); } @Inject void setMetadataPrefix(@Named(PROPERTY_USER_METADATA_PREFIX) String metadataPrefix); @Inject void setHeaderTag(@Named(PROPERTY_HEADER_TAG) Stri...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public String getIfMatch() { return getFirstHeaderOrNull(COPY_SOURCE_IF_MATCH); } @Inject void setMetadataPrefix(@Named(PROPERTY_USER_METADATA_PREFIX) String metadataPrefix); @Inject void setHeaderTag(@Named(PROPERTY_HEADER_TAG) String headerTag); CopyOb...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public CopyObjectOptions ifSourceETagMatches(String eTag) { checkState(getIfNoneMatch() == null, "ifETagDoesntMatch() is not compatible with ifETagMatches()"); checkState(getIfModifiedSince() == null, "ifModifiedSince() is not compatible with ifETagMatche...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public String getIfNoneMatch() { return getFirstHeaderOrNull(COPY_SOURCE_IF_NO_MATCH); } @Inject void setMetadataPrefix(@Named(PROPERTY_USER_METADATA_PREFIX) String metadataPrefix); @Inject void setHeaderTag(@Named(PROPERTY_HEADER_TAG) String headerTag);...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public CopyObjectOptions ifSourceETagDoesntMatch(String eTag) { checkState(getIfMatch() == null, "ifETagMatches() is not compatible with ifETagDoesntMatch()"); Preconditions.checkState(getIfUnmodifiedSince() == null, "ifUnmodifiedSince() is not compatible...
### Question: CopyObjectOptions extends BaseHttpRequestOptions { public CannedAccessPolicy getAcl() { return acl; } @Inject void setMetadataPrefix(@Named(PROPERTY_USER_METADATA_PREFIX) String metadataPrefix); @Inject void setHeaderTag(@Named(PROPERTY_HEADER_TAG) String headerTag); CopyObjectOptions overrideAcl(CannedA...
### Question: UpdateLoadBalancerRequestBinder extends BaseProfitBricksRequestBinder<LoadBalancer.Request.UpdatePayload> { @Override protected String createPayload(LoadBalancer.Request.UpdatePayload payload) { return requestBuilder.append("<ws:updateLoadBalancer>") .append("<request>") .append(format("<loadBalancerId>%s...
### Question: RegisterLoadBalancerRequestBinder extends BaseProfitBricksRequestBinder<LoadBalancer.Request.RegisterPayload> { @Override protected String createPayload(LoadBalancer.Request.RegisterPayload payload) { requestBuilder .append("<ws:registerServersOnLoadBalancer>") .append(format("<loadBalancerId>%s</loadBala...
### Question: AddRomDriveToServerRequestBinder extends BaseProfitBricksRequestBinder<Drive.Request.AddRomDriveToServerPayload> { @Override protected String createPayload(Drive.Request.AddRomDriveToServerPayload payload) { requestBuilder.append("<ws:addRomDriveToServer>") .append("<request>") .append(format("<imageId>%s...
### Question: ConnectStorageToServerRequestBinder extends BaseProfitBricksRequestBinder<Storage.Request.ConnectPayload> { @Override protected String createPayload(Storage.Request.ConnectPayload payload) { requestBuilder.append("<ws:connectStorageToServer>") .append("<request>") .append(format("<storageId>%s</storageId>...
### Question: BindAsHostPrefixIfConfigured implements Binder { @SuppressWarnings("unchecked") @Override public <R extends HttpRequest> R bindToRequest(R request, Object payload) { String payloadAsString = payload.toString(); if (isVhostStyle && payloadAsString.equals(payloadAsString.toLowerCase())) { request = bindAsHo...
### Question: FalseIfBucketAlreadyOwnedByYouOrOperationAbortedWhenBucketExists implements Fallback<Boolean>, InvocationContext<FalseIfBucketAlreadyOwnedByYouOrOperationAbortedWhenBucketExists> { @Override public Boolean createOrPropagate(Throwable t) throws Exception { AWSResponseException exception = getFirstThr...
### Question: ETagFromHttpResponseViaRegex implements Function<HttpResponse, String> { @Override public String apply(HttpResponse response) { String value = null; String content = returnStringIf200.apply(response); if (content != null) { Matcher matcher = PATTERN.matcher(content); if (matcher.find()) { value = matcher....
### Question: CreateNicRequestBinder extends BaseProfitBricksRequestBinder<Nic.Request.CreatePayload> { @Override protected String createPayload(Nic.Request.CreatePayload payload) { requestBuilder.append("<ws:createNic>") .append("<request>") .append(formatIfNotEmpty("<ip>%s</ip>", payload.ip())) .append(formatIfNotEmp...
### Question: DefaultEndpointThenInvalidateRegion implements Function<Object, URI> { @Override public URI apply(@Nullable Object from) { try { return delegate.apply(from); } finally { bucketToRegionCache.invalidate(from.toString()); } } @Inject DefaultEndpointThenInvalidateRegion(AssignCorrectHostnameForBucket delegat...
### Question: RequestAuthorizeSignatureV2 implements RequestAuthorizeSignature, RequestSigner { @VisibleForTesting void appendBucketName(HttpRequest req, StringBuilder toSign) { String bucketName = S3Utils.getBucketName(req); if (isVhostStyle && bucketName != null && bucketName.equals(bucketName.toLowerCase())) { toSig...
### Question: RequestAuthorizeSignatureV2 implements RequestAuthorizeSignature, RequestSigner { @VisibleForTesting void appendUriPath(HttpRequest request, StringBuilder toSign) { toSign.append(request.getEndpoint().getRawPath()); if (request.getEndpoint().getQuery() != null) { Multimap<String, String> params = queryPar...
### Question: AwsHostNameUtils { public static String parseRegionName(final String host, final String serviceHint) { String regionNameInInternalConfig = parseRegionNameByInternalConfig(host); if (regionNameInInternalConfig != null) { return regionNameInInternalConfig; } if (host.endsWith(".amazonaws.com")) { int index ...
### Question: AwsHostNameUtils { public static String parseServiceName(URI endpoint) { String host = endpoint.getHost(); if (!host.endsWith(".amazonaws.com") && !host.endsWith(".amazonaws.com.cn")) { return "s3"; } String serviceAndRegion = host.substring(0, host.indexOf(".amazonaws.com")); if (serviceAndRegion.endsWit...
### Question: SetInternetAccessBinder extends BaseProfitBricksRequestBinder<Nic.Request.SetInternetAccessPayload> { @Override protected String createPayload(Nic.Request.SetInternetAccessPayload payload) { requestBuilder.append("<ws:setInternetAccess>") .append(format("<dataCenterId>%s</dataCenterId>", payload.dataCente...
### Question: InvalidateSessionAndRetryOn401AndLogoutOnClose extends BackoffLimitedRetryHandler { @Override public boolean shouldRetryRequest(HttpCommand command, HttpResponse response) { try { switch (response.getStatusCode()) { case 401: authenticationResponseCache.invalidateAll(); return super.shouldRetryRequest(com...
### Question: UpdateNicRequestBinder extends BaseProfitBricksRequestBinder<Nic.Request.UpdatePayload> { @Override protected String createPayload(Nic.Request.UpdatePayload payload) { requestBuilder.append("<ws:updateNic>") .append("<request>") .append(format("<nicId>%s</nicId>", payload.id())) .append(formatIfNotEmpty("...
### Question: WindowsLoginCredentialsFromEncryptedData implements Function<EncryptedPasswordAndPrivateKey, LoginCredentials> { @Override public LoginCredentials apply(@Nullable EncryptedPasswordAndPrivateKey dataAndKey) { if (dataAndKey == null) return null; try { KeySpec keySpec = Pems.privateKeySpec(dataAndKey.getPri...
### Question: VirtualMachineDestroyed implements Predicate<VirtualMachine> { public boolean apply(VirtualMachine virtualMachine) { logger.trace("looking for state on virtualMachine %s", checkNotNull(virtualMachine, "virtualMachine")); virtualMachine = refresh(virtualMachine); if (virtualMachine == null) return true; lo...
### Question: VirtualMachineExpunged implements Predicate<VirtualMachine> { public boolean apply(VirtualMachine virtualMachine) { logger.trace("looking for state on virtualMachine %s", checkNotNull(virtualMachine, "virtualMachine")); return refresh(virtualMachine) == null; } @Inject VirtualMachineExpunged(CloudStackAp...
### Question: JobComplete implements Predicate<String> { @Inject public JobComplete(CloudStackApi client) { this.client = client; } @Inject JobComplete(CloudStackApi client); boolean apply(String jobId); }### Answer: @Test public void testJobComplete() { AsyncJob<?> job = AsyncJob.builder().id("100") .status(Status.S...
### Question: JobComplete implements Predicate<String> { public boolean apply(String jobId) { logger.trace(">> looking for status on job %s", checkNotNull(jobId, "jobId")); AsyncJob<?> job = refresh(jobId); if (job == null) { return false; } logger.trace("%s: looking for job status %s: currently: %s", job.getId(), 1, j...
### Question: OSCategoryIn implements Function<Set<String>, Predicate<Template>> { @Override public Predicate<Template> apply(final Set<String> acceptableCategories) { final Map<String, String> categories = categoriesSupplier.get(); final Set<String> acceptableOSTypeIds = Maps.filterValues( Maps.transformValues(Maps.un...
### Question: CloudStackSecurityGroupToSecurityGroup implements Function<org.jclouds.cloudstack.domain.SecurityGroup, SecurityGroup> { @Override public SecurityGroup apply(org.jclouds.cloudstack.domain.SecurityGroup group) { SecurityGroupBuilder builder = new SecurityGroupBuilder(); builder.id(group.getId()); builder.p...
### Question: IngressRuleToIpPermission implements Function<IngressRule, IpPermission> { @Override public IpPermission apply(IngressRule rule) { IpPermission.Builder builder = IpPermission.builder(); builder.ipProtocol(IpProtocol.fromValue(rule.getProtocol())); builder.fromPort(rule.getStartPort()); builder.toPort(rule...
### Question: CreateUniqueKeyPair extends CacheLoader<String, SshKeyPair> { @Override public SshKeyPair load(String input) { SshKeyPair keyPair = null; while (keyPair == null) { try { keyPair = client.getSSHKeyPairApi().createSSHKeyPair(input); logger.debug(">> creating SSH key pair with name %s", input); } catch (Ille...
### Question: CreateSnapshotRequestBinder extends BaseProfitBricksRequestBinder<Snapshot.Request.CreatePayload> { @Override protected String createPayload(Snapshot.Request.CreatePayload payload) { requestBuilder.append("<ws:createSnapshot>") .append("<request>") .append(format("<storageId>%s</storageId>", payload.stora...
### Question: NodesParsedFromSupplier implements Supplier<LoadingCache<String, Node>> { @Override public LoadingCache<String, Node> get() { LoadingCache<String, Node> nodes = parser.apply(supplier); checkState(nodes != null && nodes.size() > 0, "no nodes parsed from supplier: %s", supplier); return nodes; } @Inject No...
### Question: RollbackSnapshotRequestBinder extends BaseProfitBricksRequestBinder<Snapshot.Request.RollbackPayload> { @Override protected String createPayload(Snapshot.Request.RollbackPayload payload) { requestBuilder.append("<ws:rollbackSnapshot>") .append("<request>") .append(format("<snapshotId>%s</snapshotId>", pay...
### Question: CreateDataCenterRequestBinder extends BaseProfitBricksRequestBinder<DataCenter.Request.CreatePayload> { @Override protected String createPayload(DataCenter.Request.CreatePayload payload) { requestBuilder.append("<ws:createDataCenter>") .append("<request>") .append(format("<dataCenterName>%s</dataCenterNam...
### Question: UpdateDataCenterRequestBinder extends BaseProfitBricksRequestBinder<DataCenter.Request.UpdatePayload> { @Override protected String createPayload(DataCenter.Request.UpdatePayload payload) { requestBuilder.append("<ws:updateDataCenter>") .append("<request>") .append(format("<dataCenterId>%s</dataCenterId>",...
### Question: ProvisioningManager implements Closeable { public Object provision(ProvisioningJob job) { if (terminated.get()) { logger.warn("Job(%s) submitted but the provisioning manager is already closed", job); return null; } logger.debug("Job(%s) submitted to group '%s'", job, job.getGroup()); ListeningExecutorServ...
### Question: StorageToVolume implements Function<Storage, Volume> { @Override public Volume apply(Storage storage) { checkNotNull(storage, "Null storage"); String device = ""; if (storage.deviceNumber() != null) device = storage.deviceNumber().toString(); return new VolumeBuilder() .id(storage.id()) .size(storage.size...
### Question: CreateVolumeOptions extends BaseEC2RequestOptions { public CreateVolumeOptions volumeType(String volumeType) { formParameters.put("VolumeType", checkNotNull(volumeType, "volumeType")); return this; } CreateVolumeOptions withSize(int size); int getSize(); CreateVolumeOptions fromSnapshotId(String snapshot...
### Question: CreateVolumeOptions extends BaseEC2RequestOptions { public CreateVolumeOptions fromSnapshotId(String snapshotId) { formParameters.put("SnapshotId", checkNotNull(snapshotId, "snapshotId")); return this; } CreateVolumeOptions withSize(int size); int getSize(); CreateVolumeOptions fromSnapshotId(String snap...
### Question: CreateVolumeOptions extends BaseEC2RequestOptions { public CreateVolumeOptions withIops(Integer iops) { formParameters.put("Iops", checkNotNull(iops, "iops").toString()); return this; } CreateVolumeOptions withSize(int size); int getSize(); CreateVolumeOptions fromSnapshotId(String snapshotId); String ge...
### Question: CreateVolumeOptions extends BaseEC2RequestOptions { public CreateVolumeOptions withSize(int size) { formParameters.put("Size", Integer.toString(size)); return this; } CreateVolumeOptions withSize(int size); int getSize(); CreateVolumeOptions fromSnapshotId(String snapshotId); String getSnapshotId(); Crea...
### Question: CreateVolumeOptions extends BaseEC2RequestOptions { public CreateVolumeOptions isEncrypted(boolean encrypted) { if (encrypted) formParameters.put("Encrypted", "true"); return this; } CreateVolumeOptions withSize(int size); int getSize(); CreateVolumeOptions fromSnapshotId(String snapshotId); String getSn...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions withKeyName(String keyName) { formParameters.put("KeyName", checkNotNull(keyName, "keyName")); return this; } RunInstancesOptions withKeyName(String keyName); RunInstancesOptions withSecurityGroups(String... securityGroups); R...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions withSecurityGroup(String securityGroup) { return withSecurityGroups(securityGroup); } RunInstancesOptions withKeyName(String keyName); RunInstancesOptions withSecurityGroups(String... securityGroups); RunInstancesOptions withS...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions withUserData(byte[] unencodedData) { int length = checkNotNull(unencodedData, "unencodedData").length; checkArgument(length > 0, "userData cannot be empty"); checkArgument(length <= 16 * 1024, "userData cannot be larger than 16...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions asType(String type) { formParameters.put("InstanceType", checkNotNull(type, "type")); return this; } RunInstancesOptions withKeyName(String keyName); RunInstancesOptions withSecurityGroups(String... securityGroups); RunInstanc...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions withKernelId(String kernelId) { formParameters.put("KernelId", checkNotNull(kernelId, "kernelId")); return this; } RunInstancesOptions withKeyName(String keyName); RunInstancesOptions withSecurityGroups(String... securityGroup...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions withRamdisk(String ramDiskId) { formParameters.put("RamdiskId", checkNotNull(ramDiskId, "ramDiskId")); return this; } RunInstancesOptions withKeyName(String keyName); RunInstancesOptions withSecurityGroups(String... securityGr...
### Question: DigitalOcean2TemplateOptions extends TemplateOptions implements Cloneable { public DigitalOcean2TemplateOptions sshKeyIds(Iterable<Integer> sshKeyIds) { this.sshKeyIds = ImmutableSet.copyOf(checkNotNull(sshKeyIds, "sshKeyIds cannot be null")); return this; } DigitalOcean2TemplateOptions privateNetworking...
### Question: RunInstancesOptions extends BaseEC2RequestOptions { public RunInstancesOptions withClientToken(String clientToken) { formParameters.put("ClientToken", checkNotNull(clientToken, "clientToken")); return this; } RunInstancesOptions withKeyName(String keyName); RunInstancesOptions withSecurityGroups(String.....
### Question: DigitalOcean2TemplateOptions extends TemplateOptions implements Cloneable { public DigitalOcean2TemplateOptions privateNetworking(boolean privateNetworking) { this.privateNetworking = privateNetworking; return this; } DigitalOcean2TemplateOptions privateNetworking(boolean privateNetworking); DigitalOcean...
### Question: Car { private Car() { if (servoCommand == null) { Environment env = Config.getEnvironment(); String servo_CommandConfig="servoblaster"; try { servo_CommandConfig = env.getString(Config.SERVO_COMMAND); } catch (Exception e) { ErrorHandler.getInstance().handle(e); } switch (servo_CommandConfig) { case "adaf...
### Question: Configuration { public Configuration(String graphFilePath, boolean readInis) { this.graphFilePath = graphFilePath; setGraph(TinkerGraph.open()); File graphFile = getGraphFile(); if (readInis) { fromIni(); write(); } else { if (graphFile.exists()) { read(graphFile); } } } Configuration(String graphFilePath...
### Question: Environment { private Environment() { runningOnRaspberryPi = isPi(); } private Environment(); Environment(String propFilePath); static String readFirstLine(File file); static String osRelease(); boolean isPi(); static Environment getInstance(); boolean runningOnRaspberryPi(); Properties getProperties();...
### Question: Environment { public List<String> getMyIpAddresses() { try { return Collections.list(NetworkInterface.getNetworkInterfaces()).stream() .map(iface -> Collections.list(iface.getInetAddresses())) .flatMap(Collection::stream).map(InetAddress::getHostAddress) .collect(Collectors.toList()); } catch (SocketExcep...
### Question: Environment { public static void mock() { Environment.from("../rc-drivecontrol/src/test/resources/dukes/dukes.ini"); } private Environment(); Environment(String propFilePath); static String readFirstLine(File file); static String osRelease(); boolean isPi(); static Environment getInstance(); boolean run...
### Question: ClusterStarter { public void deployVerticles(AbstractVerticle... verticles) throws Exception { DeploymentOptions deploymentOptions = this.getDeployMentOptions(true); if (vertx == null) { this.clusteredVertx(resultHandler -> { vertx = resultHandler.result(); if (vertx == null) { ErrorHandler.getInstance()....
### Question: ErrorHandler { public static String getStackTraceText(Throwable th) { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); th.printStackTrace(pw); String exceptionText = sw.toString(); return exceptionText; } static String getStackTraceText(Throwable th); }### Answer: @Test public...
### Question: ROI { public ROI(String name,double rx, double ry, double rw, double rh) { this.name=name; this.rx = rx; this.ry = ry; this.rw = rw; this.rh = rh; } ROI(String name,double rx, double ry, double rw, double rh); Rect roiRect(Size base); Mat region(Mat image); String toString(); }### Answer: @Test public vo...
### Question: StraightLaneNavigator extends TinkerPopDatabase implements Navigator { public StraightLaneNavigator() { this(DEFAULT_TIME_WINDOW); } StraightLaneNavigator(); StraightLaneNavigator(int timeWindow); DukesVerticle getSender(); void setSender(DukesVerticle sender); Vertex addToGraph(LaneDetectionResult ldr);...
### Question: WatchDog extends DukesVerticle { public WatchDog(Car car) throws Exception { super(Characters.FLASH); this.car = car; Environment env = Config.getEnvironment(); HEARTBEAT_INTERVAL_MS=env.getInteger(Config.WATCHDOG_HEARTBEAT_INTERVAL_MS); MAX_MISSED_BEATS=env.getInteger(Config.WATCHDOG_MAX_MISSED_BEATS); }...
### Question: Car { public Steering getSteering() { return steering; } private Car(); void configure(Engine engine, Steering steering, Led led); void setPowerOn(); void setPowerOff(); boolean powerIsOn(); void stop(); void turn(ServoPosition position); void drive(ServoPosition speed); Engine getEngine(); Steering getS...
### Question: Car { public Led getLed() { return led; } private Car(); void configure(Engine engine, Steering steering, Led led); void setPowerOn(); void setPowerOff(); boolean powerIsOn(); void stop(); void turn(ServoPosition position); void drive(ServoPosition speed); Engine getEngine(); Steering getSteering(); Led ...
### Question: ImageFetcher { public ImageFetcher(String source) { this.source = source; } ImageFetcher(String source); double getFps(); void setFps(double fps); int getFrameIndex(); boolean isStaticImage(); void setStaticImage(boolean staticImage); boolean open(); void close(); long waitForNextFrame(); Image fetch(); I...
### Question: ImageFetcher { public Observable<Image> toObservable() { Observable<Image> observable = Observable .create(new ObservableOnSubscribe<Image>() { @Override public void subscribe(ObservableEmitter<Image> observableEmitter) throws Exception { hasNext=true; while (hasNext && !isClosed()) { final Image image = ...
### Question: RemoteCar extends DukesVerticle { public RemoteCar() { super(Characters.GENERAL_LEE); } RemoteCar(); @Override void start(); void parseArguments(String[] args); void mainInstance(String... args); static void main(String... args); @Option(name = "-ph", aliases = { "--publichost" }, usage = "hostname") Stri...
### Question: RemoteCar extends DukesVerticle { public static void main(String... args) { RemoteCar remoteCar = new RemoteCar(); remoteCar.mainInstance(args); } RemoteCar(); @Override void start(); void parseArguments(String[] args); void mainInstance(String... args); static void main(String... args); @Option(name = "-...
### Question: ItemCache { final void cleanUp() { Instant now = Instant.now(); records.values().forEach(r->r.checkExpiration(now)); } ItemCache(Duration maxAge); void shutdown(); @Nullable Approvable get(HashId itemId); @Nullable ItemResult getResult(HashId itemId); void put(Approvable item, ItemResult result); void upd...
### Question: ConsoleInterceptor { public static String copyOut(Block block) throws Exception { final ByteArrayOutputStream bos = new ByteArrayOutputStream(); final PrintStream printStream = new PrintStream(bos, true); PrintStream oldStream = System.out; PrintStream oldErr = System.err; System.setOut(printStream); Syst...
### Question: AbstractKey implements Bindable, KeyMatcher { public byte[] fingerprint() { throw new RuntimeException("this key does not support fingerprints"); } byte[] encrypt(byte[] plain); byte[] decrypt(byte[] plain); byte[] sign(InputStream input, HashType hashType); byte[] sign(byte[] input, HashType hashType); ...
### Question: Average { public double average() { if (n < 1) throw new IllegalStateException("too few samples"); return sum / n; } synchronized long update(double value); double average(); double stdev2(); double stdev(); long length(); double correctedStdev(); @Override String toString(); double variation(); }### An...
### Question: RunnableWithDynamicPeriod implements Runnable { public void cancel(boolean b) { synchronized (cancelled) { cancelled.set(true); } } RunnableWithDynamicPeriod(Runnable lambda, List<Integer> periods, ScheduledExecutorService es); @Override void run(); void cancel(boolean b); void restart(); }### Answer: @T...
### Question: BufferedLogger implements AutoCloseable { public @NonNull Entry log(String message) { Entry entry = new Entry(message); queue.add(entry); return entry; } BufferedLogger(int maxEntries); void e(String s); void flush(); boolean flush(long millis); PrintStream printTo(PrintStream ps, boolean printTimestamp);...
### Question: Do { public static String snakeToCamelCase(String snakeString) { StringBuilder b = new StringBuilder(); for(String s: snakeString.split("_") ) { if(s.length() > 0 ) { b.append(Character.toUpperCase(s.charAt(0))); b.append(s.substring(1, s.length()).toLowerCase()); } } return b.toString(); } static byte[]...
### Question: Do { public static <T> T sample(Collection source) { int size = source.size(); if (size <= 0) return null; int i = Do.randomInt(size); if (source instanceof List && source instanceof RandomAccess) return (T) ((List) source).get(i); else return (T) source.toArray()[i]; } static byte[] read(String fileName...
### Question: Do { public static int randomInt(int max) { return getRng().nextInt(max); } static byte[] read(String fileName); static byte[] read(InputStream inputStream); static String readToString(InputStream inputStream); static A checkSame(A oldValue, B newValue, Runnable onChanged); static T sample(Collection sou...
### Question: DeferredResult { public DeferredResult success(Handler handler) { synchronized (successHandlers) { successHandlers.add(handler); } if (done && success) invokeSuccess(); return this; } DeferredResult success(Handler handler); DeferredResult failure(Handler handler); DeferredResult done(Handler handler); v...
### Question: AsyncEvent { public void fire(T result) { synchronized (mutex) { this.result = result; fired = true; for (Consumer<T> consumer : consumers) pool.execute(() -> consumer.accept(result)); consumers.clear(); mutex.notifyAll(); } } AsyncEvent<T> addConsumer(Consumer<T> consumer); void fire(T result); boolean ...
### Question: JsonConnector extends BasicConnector implements Connector { @Override public void send(Map<String, Object> data) throws IOException { if (closed.get()) throw new IOException("connection closed"); out.write((toJsonString(data) + "\n").getBytes()); } JsonConnector(InputStream in, OutputStream out); @Overrid...
### Question: Informer { public void post(Object event) { int result; int processedCount = invokeCollection(weakInvocations, event); processedCount += invokeCollection(strongInvocations, event); if (processedCount == 0 && !(event instanceof LostEvent)) { post(new LostEvent(event)); } } Informer(); Informer(ExceptionLi...
### Question: Informer { public void postAfter(final Object event, final long millis) { new Thread(new Runnable() { @Override public void run() { try { Thread.currentThread().sleep(millis); post(event); } catch (InterruptedException e) { } } }).start(); } Informer(); Informer(ExceptionListener listener); void post(Obj...
### Question: Informer { public void registerWeak(Object subscriber) { register(subscriber, true); } Informer(); Informer(ExceptionListener listener); void post(Object event); void postAfter(final Object event, final long millis); void registerWeak(Object subscriber); void registerStrong(Object subscriber); boolean un...
### Question: Informer { public void registerStrong(Object subscriber) { register(subscriber, false); } Informer(); Informer(ExceptionListener listener); void post(Object event); void postAfter(final Object event, final long millis); void registerWeak(Object subscriber); void registerStrong(Object subscriber); boolean...
### Question: Informer { public boolean unregister(Object subscriber) { boolean found = (weakInvocations.remove(subscriber) != null); found = found || (strongInvocations.remove(subscriber) != null); return found; } Informer(); Informer(ExceptionListener listener); void post(Object event); void postAfter(final Object e...
### Question: Safe58 { public static String encode(byte[] input) { if (input.length == 0) { return ""; } input = copyOfRange(input, 0, input.length); int zeroCount = 0; while (zeroCount < input.length && input[zeroCount] == 0) { ++zeroCount; } byte[] temp = new byte[input.length * 2]; int j = temp.length; int startAt =...
### Question: KeyAddress implements KeyMatcher { @Override public boolean isMatchingKey(AbstractKey key) { KeyAddress other = new KeyAddress(key, 0, _isLong); if (other.keyMask != keyMask) return false; if (!Arrays.equals(keyDigest, other.keyDigest)) return false; return true; } KeyAddress(); KeyAddress(AbstractKey ke...