List of usage examples for com.fasterxml.jackson.core JsonGenerator writeNumberField
public final void writeNumberField(String fieldName, BigDecimal value) throws IOException, JsonGenerationException
From source file:org.apache.olingo.commons.core.serialization.JsonEntitySetSerializer.java
protected void doContainerSerialize(final ResWrap<EntitySet> container, final JsonGenerator jgen) throws IOException, EdmPrimitiveTypeException { final EntitySet entitySet = container.getPayload(); jgen.writeStartObject();//from w ww . ja v a 2 s. c o m if (serverMode) { if (container.getContextURL() != null) { jgen.writeStringField(version.compareTo(ODataServiceVersion.V40) >= 0 ? Constants.JSON_CONTEXT : Constants.JSON_METADATA, container.getContextURL().toASCIIString()); } if (version.compareTo(ODataServiceVersion.V40) >= 0 && StringUtils.isNotBlank(container.getMetadataETag())) { jgen.writeStringField(Constants.JSON_METADATA_ETAG, container.getMetadataETag()); } } if (entitySet.getId() != null) { jgen.writeStringField(version.getJsonName(ODataServiceVersion.JsonKey.ID), entitySet.getId().toASCIIString()); } jgen.writeNumberField(version.getJsonName(ODataServiceVersion.JsonKey.COUNT), entitySet.getCount() == null ? entitySet.getEntities().size() : entitySet.getCount()); if (serverMode) { if (entitySet.getNext() != null) { jgen.writeStringField(version.getJsonName(ODataServiceVersion.JsonKey.NEXT_LINK), entitySet.getNext().toASCIIString()); } if (entitySet.getDeltaLink() != null) { jgen.writeStringField(version.getJsonName(ODataServiceVersion.JsonKey.DELTA_LINK), entitySet.getDeltaLink().toASCIIString()); } } for (Annotation annotation : entitySet.getAnnotations()) { valuable(jgen, annotation, "@" + annotation.getTerm()); } jgen.writeArrayFieldStart(Constants.VALUE); final JsonEntitySerializer entitySerializer = new JsonEntitySerializer(version, serverMode); for (Entity entity : entitySet.getEntities()) { entitySerializer.doSerialize(entity, jgen); } jgen.writeEndArray(); jgen.writeEndObject(); }
From source file:com.github.lynxdb.server.api.http.handlers.EpQuery.java
private void saveResponse(OutputStream _output, List<Query> _queries) throws IOException { JsonFactory jFactory = new JsonFactory(); JsonGenerator jGenerator; jGenerator = jFactory.createGenerator(_output, JsonEncoding.UTF8); jGenerator.writeStartArray();// w w w.j av a2s . co m for (Query q : _queries) { TimeSerie ts; ts = engine.query(q); jGenerator.writeStartObject(); jGenerator.writeStringField("metric", q.getName()); //tags jGenerator.writeObjectFieldStart("tags"); if (q.getTags() != null) { for (String tagk : q.getTags().keySet()) { jGenerator.writeStringField(tagk, q.getTags().get(tagk)); } } jGenerator.writeEndObject(); //dps jGenerator.writeObjectFieldStart("dps"); while (ts.hasNext()) { Entry e = ts.next(); jGenerator.writeNumberField(String.valueOf(e.getTime()), e.getValue()); } jGenerator.writeEndObject(); //endQuery jGenerator.writeEndObject(); } jGenerator.writeEndArray(); jGenerator.close(); _output.flush(); _output.close(); }
From source file:org.graylog.plugins.nats.output.AbstractGelfNatsOutput.java
protected byte[] toGELFMessage(final Message message) throws IOException { final HashMap<String, Object> fields = new HashMap<>(message.getFields()); final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(512); final JsonFactory jsonFactory = new JsonFactory(); final JsonGenerator generator = jsonFactory.createGenerator(outputStream); generator.writeStartObject();//from ww w .j av a 2s. c om generator.writeStringField("version", "1.1"); generator.writeStringField("host", (String) fields.remove(Message.FIELD_SOURCE)); generator.writeStringField("short_message", (String) fields.remove(Message.FIELD_MESSAGE)); final String fullMessage = (String) fields.remove(Message.FIELD_FULL_MESSAGE); if (fullMessage != null) { generator.writeStringField("full_message", fullMessage); } final Object fieldTimeStamp = fields.remove(Message.FIELD_TIMESTAMP); final DateTime timestamp; if (fieldTimeStamp instanceof DateTime) { timestamp = (DateTime) fieldTimeStamp; } else { timestamp = Tools.nowUTC(); } generator.writeNumberField("timestamp", timestamp.getMillis() / 1000d); final Object fieldLevel = fields.remove(Message.FIELD_TIMESTAMP); final Integer level = extractLevel(fieldLevel); if (level != null) { generator.writeNumberField("level", level); } for (Map.Entry<String, Object> field : fields.entrySet()) { final String key = field.getKey(); final Object value = field.getValue(); if (value instanceof String) { generator.writeStringField(key, (String) value); } else if (value instanceof Boolean) { generator.writeBooleanField(key, (Boolean) value); } else if (value instanceof Integer) { generator.writeNumberField(key, (Integer) value); } else if (value instanceof Long) { generator.writeNumberField(key, (Long) value); } else if (value instanceof Float) { generator.writeNumberField(key, (Float) value); } else if (value instanceof Double) { generator.writeNumberField(key, (Double) value); } else if (value instanceof BigDecimal) { generator.writeNumberField(key, (BigDecimal) value); } else if (value == null) { generator.writeNullField(key); } } generator.writeStringField("_forwarder_cluster_id", clusterId); generator.writeStringField("_forwarder_node_id", nodeId); generator.writeEndObject(); generator.flush(); return outputStream.toByteArray(); }
From source file:eu.project.ttc.engines.exporter.JsonCasExporter.java
@Override public void process(JCas aJCas) throws AnalysisEngineProcessException { /*// w ww . j a v a2s . c o m * Cette mthode est appele par le framework UIMA * pour chaque document de ta collection (corpus). * * Tu peux gnrer ton fichier compagnon dans cette mthode. * (Je te donne l'astuce pour retrouver le nom et le chemin du fichier * de ton corpus correspondant au CAS pass en paramtre de cette * mthode plus tard) */ FSIterator<Annotation> it = aJCas.getAnnotationIndex().iterator(); Annotation a; JsonFactory jsonFactory = new JsonFactory(); String name = this.getExportFilePath(aJCas, "json"); File file = new File(this.directoryFile, name); FileWriter writer = null; try { writer = new FileWriter(file); LOGGER.debug("Writing " + file.getPath()); JsonGenerator jg = jsonFactory.createGenerator(writer); jg.useDefaultPrettyPrinter(); jg.writeStartObject(); jg.writeStringField("file", name); jg.writeArrayFieldStart("tag"); while (it.hasNext()) { a = it.next(); if (a instanceof WordAnnotation) { jg.writeStartObject(); WordAnnotation wordAnno = (WordAnnotation) a; for (Feature feat : wordAnno.getType().getFeatures()) { FeatureStructure featureValue = wordAnno.getFeatureValue(feat); if (featureValue != null) { jg.writeFieldName(feat.getName()); jg.writeObject(featureValue); } } jg.writeStringField("tag", wordAnno.getTag()); jg.writeStringField("lemma", wordAnno.getLemma()); jg.writeNumberField("begin", wordAnno.getBegin()); jg.writeNumberField("end", wordAnno.getEnd()); jg.writeEndObject(); } } jg.writeEndArray(); jg.writeEndObject(); jg.flush(); writer.close(); } catch (IOException e) { LOGGER.error("Failure while serializing " + name + "\nCaused by" + e.getClass().getCanonicalName() + ":" + e.getMessage(), e); } }
From source file:org.springframework.cloud.netflix.hystrix.amqp.HystrixStreamTask.java
@Scheduled(fixedRateString = "${hystrix.stream.amqp.gatherRate:500}") public void gatherMetrics() { try {/*from www. j a v a2s .c o m*/ // command metrics Collection<HystrixCommandMetrics> instances = HystrixCommandMetrics.getInstances(); if (!instances.isEmpty()) { log.trace("gathering metrics size: " + instances.size()); } ServiceInstance localService = this.discoveryClient.getLocalServiceInstance(); for (HystrixCommandMetrics commandMetrics : instances) { HystrixCommandKey key = commandMetrics.getCommandKey(); HystrixCircuitBreaker circuitBreaker = HystrixCircuitBreaker.Factory.getInstance(key); StringWriter jsonString = new StringWriter(); JsonGenerator json = this.jsonFactory.createGenerator(jsonString); json.writeStartObject(); addServiceData(json, localService); json.writeObjectFieldStart("data"); json.writeStringField("type", "HystrixCommand"); String name = key.name(); if (this.properties.isPrefixMetricName()) { name = localService.getServiceId() + "." + name; } json.writeStringField("name", name); json.writeStringField("group", commandMetrics.getCommandGroup().name()); json.writeNumberField("currentTime", System.currentTimeMillis()); // circuit breaker if (circuitBreaker == null) { // circuit breaker is disabled and thus never open json.writeBooleanField("isCircuitBreakerOpen", false); } else { json.writeBooleanField("isCircuitBreakerOpen", circuitBreaker.isOpen()); } HystrixCommandMetrics.HealthCounts healthCounts = commandMetrics.getHealthCounts(); json.writeNumberField("errorPercentage", healthCounts.getErrorPercentage()); json.writeNumberField("errorCount", healthCounts.getErrorCount()); json.writeNumberField("requestCount", healthCounts.getTotalRequests()); // rolling counters json.writeNumberField("rollingCountCollapsedRequests", commandMetrics.getRollingCount(HystrixRollingNumberEvent.COLLAPSED)); json.writeNumberField("rollingCountExceptionsThrown", commandMetrics.getRollingCount(HystrixRollingNumberEvent.EXCEPTION_THROWN)); json.writeNumberField("rollingCountFailure", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FAILURE)); json.writeNumberField("rollingCountFallbackFailure", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FALLBACK_FAILURE)); json.writeNumberField("rollingCountFallbackRejection", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FALLBACK_REJECTION)); json.writeNumberField("rollingCountFallbackSuccess", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FALLBACK_SUCCESS)); json.writeNumberField("rollingCountResponsesFromCache", commandMetrics.getRollingCount(HystrixRollingNumberEvent.RESPONSE_FROM_CACHE)); json.writeNumberField("rollingCountSemaphoreRejected", commandMetrics.getRollingCount(HystrixRollingNumberEvent.SEMAPHORE_REJECTED)); json.writeNumberField("rollingCountShortCircuited", commandMetrics.getRollingCount(HystrixRollingNumberEvent.SHORT_CIRCUITED)); json.writeNumberField("rollingCountSuccess", commandMetrics.getRollingCount(HystrixRollingNumberEvent.SUCCESS)); json.writeNumberField("rollingCountThreadPoolRejected", commandMetrics.getRollingCount(HystrixRollingNumberEvent.THREAD_POOL_REJECTED)); json.writeNumberField("rollingCountTimeout", commandMetrics.getRollingCount(HystrixRollingNumberEvent.TIMEOUT)); json.writeNumberField("currentConcurrentExecutionCount", commandMetrics.getCurrentConcurrentExecutionCount()); // latency percentiles json.writeNumberField("latencyExecute_mean", commandMetrics.getExecutionTimeMean()); json.writeObjectFieldStart("latencyExecute"); json.writeNumberField("0", commandMetrics.getExecutionTimePercentile(0)); json.writeNumberField("25", commandMetrics.getExecutionTimePercentile(25)); json.writeNumberField("50", commandMetrics.getExecutionTimePercentile(50)); json.writeNumberField("75", commandMetrics.getExecutionTimePercentile(75)); json.writeNumberField("90", commandMetrics.getExecutionTimePercentile(90)); json.writeNumberField("95", commandMetrics.getExecutionTimePercentile(95)); json.writeNumberField("99", commandMetrics.getExecutionTimePercentile(99)); json.writeNumberField("99.5", commandMetrics.getExecutionTimePercentile(99.5)); json.writeNumberField("100", commandMetrics.getExecutionTimePercentile(100)); json.writeEndObject(); // json.writeNumberField("latencyTotal_mean", commandMetrics.getTotalTimeMean()); json.writeObjectFieldStart("latencyTotal"); json.writeNumberField("0", commandMetrics.getTotalTimePercentile(0)); json.writeNumberField("25", commandMetrics.getTotalTimePercentile(25)); json.writeNumberField("50", commandMetrics.getTotalTimePercentile(50)); json.writeNumberField("75", commandMetrics.getTotalTimePercentile(75)); json.writeNumberField("90", commandMetrics.getTotalTimePercentile(90)); json.writeNumberField("95", commandMetrics.getTotalTimePercentile(95)); json.writeNumberField("99", commandMetrics.getTotalTimePercentile(99)); json.writeNumberField("99.5", commandMetrics.getTotalTimePercentile(99.5)); json.writeNumberField("100", commandMetrics.getTotalTimePercentile(100)); json.writeEndObject(); // property values for reporting what is actually seen by the command // rather than what was set somewhere HystrixCommandProperties commandProperties = commandMetrics.getProperties(); json.writeNumberField("propertyValue_circuitBreakerRequestVolumeThreshold", commandProperties.circuitBreakerRequestVolumeThreshold().get()); json.writeNumberField("propertyValue_circuitBreakerSleepWindowInMilliseconds", commandProperties.circuitBreakerSleepWindowInMilliseconds().get()); json.writeNumberField("propertyValue_circuitBreakerErrorThresholdPercentage", commandProperties.circuitBreakerErrorThresholdPercentage().get()); json.writeBooleanField("propertyValue_circuitBreakerForceOpen", commandProperties.circuitBreakerForceOpen().get()); json.writeBooleanField("propertyValue_circuitBreakerForceClosed", commandProperties.circuitBreakerForceClosed().get()); json.writeBooleanField("propertyValue_circuitBreakerEnabled", commandProperties.circuitBreakerEnabled().get()); json.writeStringField("propertyValue_executionIsolationStrategy", commandProperties.executionIsolationStrategy().get().name()); json.writeNumberField("propertyValue_executionIsolationThreadTimeoutInMilliseconds", commandProperties.executionIsolationThreadTimeoutInMilliseconds().get()); json.writeBooleanField("propertyValue_executionIsolationThreadInterruptOnTimeout", commandProperties.executionIsolationThreadInterruptOnTimeout().get()); json.writeStringField("propertyValue_executionIsolationThreadPoolKeyOverride", commandProperties.executionIsolationThreadPoolKeyOverride().get()); json.writeNumberField("propertyValue_executionIsolationSemaphoreMaxConcurrentRequests", commandProperties.executionIsolationSemaphoreMaxConcurrentRequests().get()); json.writeNumberField("propertyValue_fallbackIsolationSemaphoreMaxConcurrentRequests", commandProperties.fallbackIsolationSemaphoreMaxConcurrentRequests().get()); // TODO /* * The following are commented out as these rarely change and are verbose * for streaming for something people don't change. We could perhaps allow * a property or request argument to include these. */ // json.put("propertyValue_metricsRollingPercentileEnabled", // commandProperties.metricsRollingPercentileEnabled().get()); // json.put("propertyValue_metricsRollingPercentileBucketSize", // commandProperties.metricsRollingPercentileBucketSize().get()); // json.put("propertyValue_metricsRollingPercentileWindow", // commandProperties.metricsRollingPercentileWindowInMilliseconds().get()); // json.put("propertyValue_metricsRollingPercentileWindowBuckets", // commandProperties.metricsRollingPercentileWindowBuckets().get()); // json.put("propertyValue_metricsRollingStatisticalWindowBuckets", // commandProperties.metricsRollingStatisticalWindowBuckets().get()); json.writeNumberField("propertyValue_metricsRollingStatisticalWindowInMilliseconds", commandProperties.metricsRollingStatisticalWindowInMilliseconds().get()); json.writeBooleanField("propertyValue_requestCacheEnabled", commandProperties.requestCacheEnabled().get()); json.writeBooleanField("propertyValue_requestLogEnabled", commandProperties.requestLogEnabled().get()); json.writeNumberField("reportingHosts", 1); // this will get summed across // all instances in a cluster json.writeEndObject(); // end data attribute json.writeEndObject(); json.close(); // output this.jsonMetrics.add(jsonString.getBuffer().toString()); } // thread pool metrics for (HystrixThreadPoolMetrics threadPoolMetrics : HystrixThreadPoolMetrics.getInstances()) { HystrixThreadPoolKey key = threadPoolMetrics.getThreadPoolKey(); StringWriter jsonString = new StringWriter(); JsonGenerator json = this.jsonFactory.createGenerator(jsonString); json.writeStartObject(); addServiceData(json, localService); json.writeObjectFieldStart("data"); json.writeStringField("type", "HystrixThreadPool"); json.writeStringField("name", key.name()); json.writeNumberField("currentTime", System.currentTimeMillis()); json.writeNumberField("currentActiveCount", threadPoolMetrics.getCurrentActiveCount().intValue()); json.writeNumberField("currentCompletedTaskCount", threadPoolMetrics.getCurrentCompletedTaskCount().longValue()); json.writeNumberField("currentCorePoolSize", threadPoolMetrics.getCurrentCorePoolSize().intValue()); json.writeNumberField("currentLargestPoolSize", threadPoolMetrics.getCurrentLargestPoolSize().intValue()); json.writeNumberField("currentMaximumPoolSize", threadPoolMetrics.getCurrentMaximumPoolSize().intValue()); json.writeNumberField("currentPoolSize", threadPoolMetrics.getCurrentPoolSize().intValue()); json.writeNumberField("currentQueueSize", threadPoolMetrics.getCurrentQueueSize().intValue()); json.writeNumberField("currentTaskCount", threadPoolMetrics.getCurrentTaskCount().longValue()); json.writeNumberField("rollingCountThreadsExecuted", threadPoolMetrics.getRollingCountThreadsExecuted()); json.writeNumberField("rollingMaxActiveThreads", threadPoolMetrics.getRollingMaxActiveThreads()); json.writeNumberField("propertyValue_queueSizeRejectionThreshold", threadPoolMetrics.getProperties().queueSizeRejectionThreshold().get()); json.writeNumberField("propertyValue_metricsRollingStatisticalWindowInMilliseconds", threadPoolMetrics.getProperties().metricsRollingStatisticalWindowInMilliseconds().get()); json.writeNumberField("reportingHosts", 1); // this will get summed across // all instances in a cluster json.writeEndObject(); // end of data object json.writeEndObject(); json.close(); // output to stream this.jsonMetrics.add(jsonString.getBuffer().toString()); } } catch (Exception ex) { log.error("Error adding metrics to queue", ex); } }
From source file:io.mesosphere.mesos.frameworks.cassandra.scheduler.api.NodeController.java
/** * Retrieve a list of all nodes including their status. * * <pre>{@code {//from w w w . j ava2s. co m * "replaceNodes" : [ ], * "nodesToAcquire" : 0, * "nodes" : [ { * "tasks" : { * "METADATA" : { * "cpuCores" : 0.1, * "diskMb" : 16, * "memMb" : 16, * "taskId" : "cassandra.node.0.executor" * }, * "SERVER" : { * "cpuCores" : 2.0, * "diskMb" : 2048, * "memMb" : 2048, * "taskId" : "cassandra.node.0.executor.server" * } * }, * "executorId" : "cassandra.node.0.executor", * "ip" : "127.0.0.2", * "hostname" : "127.0.0.2", * "targetRunState" : "RUN", * "jmxPort" : 64112, * "seedNode" : true, * "cassandraDaemonPid" : 6104, * "lastHealthCheck" : 1426686217128, * "healthCheckDetails" : { * "healthy" : true, * "msg" : "", * "version" : "2.1.4", * "operationMode" : "NORMAL", * "clusterName" : "cassandra", * "dataCenter" : "DC1", * "rack" : "RAC1", * "endpoint" : "127.0.0.2", * "hostId" : "4207396e-6aa0-432e-97d9-1a4df3c1057f", * "joined" : true, * "gossipInitialized" : true, * "gossipRunning" : true, * "nativeTransportRunning" : true, * "rpcServerRunning" : true, * "tokenCount" : 256, * "uptimeMillis" : 29072 * } * }, { * "tasks" : { * "METADATA" : { * "cpuCores" : 0.1, * "diskMb" : 16, * "memMb" : 16, * "taskId" : "cassandra.node.1.executor" * }, * "SERVER" : { * "cpuCores" : 2.0, * "diskMb" : 2048, * "memMb" : 2048, * "taskId" : "cassandra.node.1.executor.server" * } * }, * "executorId" : "cassandra.node.1.executor", * "ip" : "127.0.0.1", * "hostname" : "localhost", * "targetRunState" : "RUN", * "jmxPort" : 64113, * "seedNode" : false, * "cassandraDaemonPid" : 6127, * "lastHealthCheck" : 1426686217095, * "healthCheckDetails" : { * "healthy" : true, * "msg" : "", * "version" : "2.1.4", * "operationMode" : "JOINING", * "clusterName" : "cassandra", * "dataCenter" : "", * "rack" : "", * "endpoint" : "", * "hostId" : "", * "joined" : true, * "gossipInitialized" : true, * "gossipRunning" : true, * "nativeTransportRunning" : false, * "rpcServerRunning" : false, * "tokenCount" : 0, * "uptimeMillis" : 16936 * } * } ] * }}</pre> */ @GET @Path("/all") public Response nodes() { return JaxRsUtils.buildStreamingResponse(factory, new StreamingJsonResponse() { @Override public void write(final JsonGenerator json) throws IOException { final CassandraFrameworkProtos.CassandraClusterState clusterState = cluster.getClusterState().get(); json.writeArrayFieldStart("replaceNodes"); for (final String ip : clusterState.getReplaceNodeIpsList()) { json.writeString(ip); } json.writeEndArray(); final NodeCounts nodeCounts = cluster.getClusterState().nodeCounts(); json.writeNumberField("nodesToAcquire", CassandraCluster.numberOfNodesToAcquire(nodeCounts, cluster.getConfiguration())); json.writeArrayFieldStart("nodes"); for (final CassandraFrameworkProtos.CassandraNode cassandraNode : clusterState.getNodesList()) { json.writeStartObject(); if (cassandraNode.hasReplacementForIp()) { json.writeStringField("replacementForIp", cassandraNode.getReplacementForIp()); } json.writeObjectFieldStart("tasks"); for (final CassandraFrameworkProtos.CassandraNodeTask cassandraNodeTask : cassandraNode .getTasksList()) { JaxRsUtils.writeTask(json, cassandraNodeTask); } json.writeEndObject(); // TODO cassandraNode.getDataVolumesList(); if (!cassandraNode.hasCassandraNodeExecutor()) { json.writeNullField("executorId"); json.writeNullField("workdir"); } else { json.writeStringField("executorId", cassandraNode.getCassandraNodeExecutor().getExecutorId()); final CassandraFrameworkProtos.ExecutorMetadata executorMetadata = cluster .metadataForExecutor(cassandraNode.getCassandraNodeExecutor().getExecutorId()); if (executorMetadata != null) { json.writeStringField("workdir", executorMetadata.getWorkdir()); } else { json.writeNullField("workdir"); } } json.writeStringField("ip", cassandraNode.getIp()); json.writeStringField("hostname", cassandraNode.getHostname()); json.writeStringField("targetRunState", cassandraNode.getTargetRunState().name()); json.writeNumberField("jmxPort", cassandraNode.getJmxConnect().getJmxPort()); json.writeBooleanField("seedNode", cassandraNode.getSeed()); CassandraFrameworkProtos.RackDc rackDc = cassandraNode.getRackDc(); json.writeObjectFieldStart("rackDc"); json.writeStringField("rack", rackDc.getRack()); json.writeStringField("dc", rackDc.getDc()); json.writeEndObject(); if (!cassandraNode.hasCassandraDaemonPid()) { json.writeNullField("cassandraDaemonPid"); } else { json.writeNumberField("cassandraDaemonPid", cassandraNode.getCassandraDaemonPid()); } final CassandraFrameworkProtos.HealthCheckHistoryEntry lastHealthCheck = cassandraNode .hasCassandraNodeExecutor() ? cluster.lastHealthCheck( cassandraNode.getCassandraNodeExecutor().getExecutorId()) : null; if (lastHealthCheck != null) { json.writeNumberField("lastHealthCheck", lastHealthCheck.getTimestampEnd()); } else { json.writeNullField("lastHealthCheck"); } if (lastHealthCheck != null) { json.writeObjectFieldStart("healthCheckDetails"); final CassandraFrameworkProtos.HealthCheckDetails hcd = lastHealthCheck.getDetails(); json.writeBooleanField("healthy", hcd.getHealthy()); json.writeStringField("msg", hcd.getMsg()); json.writeStringField("version", hcd.getInfo().getVersion()); json.writeStringField("operationMode", hcd.getInfo().getOperationMode()); json.writeStringField("clusterName", hcd.getInfo().getClusterName()); json.writeStringField("dataCenter", hcd.getInfo().getDataCenter()); json.writeStringField("rack", hcd.getInfo().getRack()); json.writeStringField("endpoint", hcd.getInfo().getEndpoint()); json.writeStringField("hostId", hcd.getInfo().getHostId()); json.writeBooleanField("joined", hcd.getInfo().getJoined()); json.writeBooleanField("gossipInitialized", hcd.getInfo().getGossipInitialized()); json.writeBooleanField("gossipRunning", hcd.getInfo().getGossipRunning()); json.writeBooleanField("nativeTransportRunning", hcd.getInfo().getNativeTransportRunning()); json.writeBooleanField("rpcServerRunning", hcd.getInfo().getRpcServerRunning()); json.writeNumberField("tokenCount", hcd.getInfo().getTokenCount()); json.writeNumberField("uptimeMillis", hcd.getInfo().getUptimeMillis()); json.writeEndObject(); } else { json.writeNullField("healthCheckDetails"); } final List<CassandraFrameworkProtos.DataVolume> dataVolumes = cassandraNode .getDataVolumesList(); json.writeArrayFieldStart("dataVolumes"); for (final CassandraFrameworkProtos.DataVolume volume : dataVolumes) { json.writeStartObject(); json.writeStringField("path", volume.getPath()); if (volume.hasSizeMb()) { json.writeNumberField("size", volume.getSizeMb()); } json.writeEndObject(); } json.writeEndArray(); json.writeEndObject(); } json.writeEndArray(); } }); }
From source file:com.googlecode.jmxtrans.model.output.LibratoWriter.java
private void serialize(Server server, Query query, List<Result> results, OutputStream outputStream) throws IOException { JsonGenerator g = jsonFactory.createGenerator(outputStream, JsonEncoding.UTF8); g.writeStartObject();//ww w . j ava 2s.c o m g.writeArrayFieldStart("counters"); g.writeEndArray(); String source = getSource(server); g.writeArrayFieldStart("gauges"); List<String> typeNames = getTypeNames(); for (Result result : results) { Map<String, Object> resultValues = result.getValues(); for (Map.Entry<String, Object> values : resultValues.entrySet()) { if (isNumeric(values.getValue())) { g.writeStartObject(); g.writeStringField("name", KeyUtils.getKeyString(query, result, values, typeNames)); if (source != null && !source.isEmpty()) { g.writeStringField("source", source); } g.writeNumberField("measure_time", TimeUnit.SECONDS.convert(result.getEpoch(), TimeUnit.MILLISECONDS)); Object value = values.getValue(); if (value instanceof Integer) { g.writeNumberField("value", (Integer) value); } else if (value instanceof Long) { g.writeNumberField("value", (Long) value); } else if (value instanceof Float) { g.writeNumberField("value", (Float) value); } else if (value instanceof Double) { g.writeNumberField("value", (Double) value); } g.writeEndObject(); } } } g.writeEndArray(); g.writeEndObject(); g.flush(); g.close(); }
From source file:org.sfs.nodes.compute.container.GetContainer.java
@Override public void handle(final SfsRequest httpServerRequest) { VertxContext<Server> vertxContext = httpServerRequest.vertxContext(); aVoid().flatMap(new Authenticate(httpServerRequest)) .flatMap(new ValidateActionAuthenticated(httpServerRequest)) .map(aVoid -> fromSfsRequest(httpServerRequest)).map(new ValidateContainerPath()) .flatMap(new LoadAccountAndContainer(vertxContext)) .flatMap(new ValidateActionContainerListObjects(httpServerRequest)).flatMap(persistentContainer -> { HttpServerResponse httpServerResponse = httpServerRequest.response(); MultiMap queryParams = httpServerRequest.params(); MultiMap headerParams = httpServerRequest.headers(); String format = queryParams.get(FORMAT); String accept = headerParams.get(ACCEPT); MediaType parsedAccept = null; if (equalsIgnoreCase("xml", format)) { parsedAccept = APPLICATION_XML_UTF_8; } else if (equalsIgnoreCase("json", format)) { parsedAccept = JSON_UTF_8; }// w ww . java 2 s . c o m if (parsedAccept == null) { if (!isNullOrEmpty(accept)) { parsedAccept = parse(accept); } } if (parsedAccept == null || (!PLAIN_TEXT_UTF_8.is(parsedAccept) && !APPLICATION_XML_UTF_8.is(parsedAccept) && !JSON_UTF_8.equals(parsedAccept))) { parsedAccept = PLAIN_TEXT_UTF_8; } Observable<Optional<ContainerStats>> oContainerStats; boolean hasPrefix = !Strings.isNullOrEmpty(queryParams.get(SfsHttpQueryParams.PREFIX)); if (hasPrefix) { oContainerStats = just(persistentContainer) .flatMap(new LoadContainerStats(httpServerRequest.vertxContext())) .map(Optional::of); } else { oContainerStats = Defer.just(Optional.<ContainerStats>absent()); } Observable<ObjectList> oObjectListing = just(persistentContainer) .flatMap(new ListObjects(httpServerRequest)); MediaType finalParsedAccept = parsedAccept; return combineSinglesDelayError(oContainerStats, oObjectListing, (containerStats, objectList) -> { if (containerStats.isPresent()) { Metadata metadata = persistentContainer.getMetadata(); for (String key : metadata.keySet()) { SortedSet<String> values = metadata.get(key); if (values != null && !values.isEmpty()) { httpServerResponse.putHeader( format("%s%s", X_ADD_CONTAINER_META_PREFIX, key), values); } } httpServerResponse.putHeader(X_CONTAINER_OBJECT_COUNT, valueOf(containerStats.get().getObjectCount())); httpServerResponse.putHeader(X_CONTAINER_BYTES_USED, BigDecimal.valueOf(containerStats.get().getBytesUsed()) .setScale(0, ROUND_HALF_UP).toString()); } BufferOutputStream bufferOutputStream = new BufferOutputStream(); if (JSON_UTF_8.is(finalParsedAccept)) { try { JsonFactory jsonFactory = vertxContext.verticle().jsonFactory(); JsonGenerator jg = jsonFactory.createGenerator(bufferOutputStream, UTF8); jg.writeStartArray(); for (ListedObject listedObject : ordered(objectList.getObjects())) { jg.writeStartObject(); jg.writeStringField("hash", base16().lowerCase().encode(listedObject.getEtag())); jg.writeStringField("last_modified", toDateTimeString(listedObject.getLastModified())); jg.writeNumberField("bytes", listedObject.getLength()); jg.writeStringField("content_type", listedObject.getContentType()); jg.writeStringField("name", listedObject.getName()); jg.writeEndObject(); } jg.writeEndArray(); jg.close(); } catch (IOException e) { throw new RuntimeException(e); } } else if (APPLICATION_XML_UTF_8.is(finalParsedAccept)) { String charset = UTF_8.toString(); XMLStreamWriter writer = null; try { writer = newFactory().createXMLStreamWriter(bufferOutputStream, charset); writer.writeStartDocument(charset, "1.0"); writer.writeStartElement("container"); writer.writeAttribute("name", fromPaths(persistentContainer.getId()).containerName().get()); for (ListedObject listedObject : ordered(objectList.getObjects())) { writer.writeStartElement("object"); writer.writeStartElement("name"); writer.writeCharacters(listedObject.getName()); writer.writeEndElement(); writer.writeStartElement("hash"); writer.writeCharacters( base16().lowerCase().encode(listedObject.getEtag())); writer.writeEndElement(); writer.writeStartElement("bytes"); writer.writeCharacters(valueOf(listedObject.getLength())); writer.writeEndElement(); writer.writeStartElement("content_type"); writer.writeCharacters(listedObject.getContentType()); writer.writeEndElement(); writer.writeStartElement("last_modified"); writer.writeCharacters( toDateTimeString(listedObject.getLastModified())); writer.writeEndElement(); writer.writeEndElement(); } writer.writeEndElement(); writer.writeEndDocument(); } catch (XMLStreamException e) { throw new RuntimeException(e); } finally { try { if (writer != null) { writer.close(); } } catch (XMLStreamException e) { LOGGER.warn(e.getLocalizedMessage(), e); } } } else { String charset = UTF_8.toString(); try (OutputStreamWriter outputStreamWriter = new OutputStreamWriter( bufferOutputStream, charset)) { for (ListedObject listedObject : ordered(objectList.getObjects())) { outputStreamWriter.write(listedObject.getName()); outputStreamWriter.write("\n"); } } catch (IOException e) { throw new RuntimeException(e); } } objectList.clear(); return bufferOutputStream; }).flatMap(bufferOutputStream -> { Buffer buffer = bufferOutputStream.toBuffer(); httpServerResponse.putHeader(HttpHeaders.CONTENT_TYPE, finalParsedAccept.toString()) .putHeader(HttpHeaders.CONTENT_LENGTH, String.valueOf(buffer.length())); return AsyncIO.append(buffer, httpServerRequest.response()); }); }).single().subscribe(new ConnectionCloseTerminus<Void>(httpServerRequest) { @Override public void onNext(Void aVoid) { } } ); }
From source file:org.springframework.cloud.netflix.hystrix.stream.HystrixStreamTask.java
@Scheduled(fixedRateString = "${hystrix.stream.queue.gatherRate:500}") public void gatherMetrics() { try {//from www . ja v a2 s. c o m // command metrics Collection<HystrixCommandMetrics> instances = HystrixCommandMetrics.getInstances(); if (!instances.isEmpty()) { log.trace("gathering metrics size: " + instances.size()); } for (HystrixCommandMetrics commandMetrics : instances) { HystrixCommandKey key = commandMetrics.getCommandKey(); HystrixCircuitBreaker circuitBreaker = HystrixCircuitBreaker.Factory.getInstance(key); StringWriter jsonString = new StringWriter(); JsonGenerator json = this.jsonFactory.createGenerator(jsonString); json.writeStartObject(); addServiceData(json, registration); json.writeObjectFieldStart("data"); json.writeStringField("type", "HystrixCommand"); String name = key.name(); if (this.properties.isPrefixMetricName() && registration != null) { name = registration.getServiceId() + "." + name; } json.writeStringField("name", name); json.writeStringField("group", commandMetrics.getCommandGroup().name()); json.writeNumberField("currentTime", System.currentTimeMillis()); // circuit breaker if (circuitBreaker == null) { // circuit breaker is disabled and thus never open json.writeBooleanField("isCircuitBreakerOpen", false); } else { json.writeBooleanField("isCircuitBreakerOpen", circuitBreaker.isOpen()); } HystrixCommandMetrics.HealthCounts healthCounts = commandMetrics.getHealthCounts(); json.writeNumberField("errorPercentage", healthCounts.getErrorPercentage()); json.writeNumberField("errorCount", healthCounts.getErrorCount()); json.writeNumberField("requestCount", healthCounts.getTotalRequests()); // rolling counters json.writeNumberField("rollingCountCollapsedRequests", commandMetrics.getRollingCount(HystrixRollingNumberEvent.COLLAPSED)); json.writeNumberField("rollingCountExceptionsThrown", commandMetrics.getRollingCount(HystrixRollingNumberEvent.EXCEPTION_THROWN)); json.writeNumberField("rollingCountFailure", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FAILURE)); json.writeNumberField("rollingCountFallbackFailure", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FALLBACK_FAILURE)); json.writeNumberField("rollingCountFallbackRejection", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FALLBACK_REJECTION)); json.writeNumberField("rollingCountFallbackSuccess", commandMetrics.getRollingCount(HystrixRollingNumberEvent.FALLBACK_SUCCESS)); json.writeNumberField("rollingCountResponsesFromCache", commandMetrics.getRollingCount(HystrixRollingNumberEvent.RESPONSE_FROM_CACHE)); json.writeNumberField("rollingCountSemaphoreRejected", commandMetrics.getRollingCount(HystrixRollingNumberEvent.SEMAPHORE_REJECTED)); json.writeNumberField("rollingCountShortCircuited", commandMetrics.getRollingCount(HystrixRollingNumberEvent.SHORT_CIRCUITED)); json.writeNumberField("rollingCountSuccess", commandMetrics.getRollingCount(HystrixRollingNumberEvent.SUCCESS)); json.writeNumberField("rollingCountThreadPoolRejected", commandMetrics.getRollingCount(HystrixRollingNumberEvent.THREAD_POOL_REJECTED)); json.writeNumberField("rollingCountTimeout", commandMetrics.getRollingCount(HystrixRollingNumberEvent.TIMEOUT)); json.writeNumberField("currentConcurrentExecutionCount", commandMetrics.getCurrentConcurrentExecutionCount()); // latency percentiles json.writeNumberField("latencyExecute_mean", commandMetrics.getExecutionTimeMean()); json.writeObjectFieldStart("latencyExecute"); json.writeNumberField("0", commandMetrics.getExecutionTimePercentile(0)); json.writeNumberField("25", commandMetrics.getExecutionTimePercentile(25)); json.writeNumberField("50", commandMetrics.getExecutionTimePercentile(50)); json.writeNumberField("75", commandMetrics.getExecutionTimePercentile(75)); json.writeNumberField("90", commandMetrics.getExecutionTimePercentile(90)); json.writeNumberField("95", commandMetrics.getExecutionTimePercentile(95)); json.writeNumberField("99", commandMetrics.getExecutionTimePercentile(99)); json.writeNumberField("99.5", commandMetrics.getExecutionTimePercentile(99.5)); json.writeNumberField("100", commandMetrics.getExecutionTimePercentile(100)); json.writeEndObject(); // json.writeNumberField("latencyTotal_mean", commandMetrics.getTotalTimeMean()); json.writeObjectFieldStart("latencyTotal"); json.writeNumberField("0", commandMetrics.getTotalTimePercentile(0)); json.writeNumberField("25", commandMetrics.getTotalTimePercentile(25)); json.writeNumberField("50", commandMetrics.getTotalTimePercentile(50)); json.writeNumberField("75", commandMetrics.getTotalTimePercentile(75)); json.writeNumberField("90", commandMetrics.getTotalTimePercentile(90)); json.writeNumberField("95", commandMetrics.getTotalTimePercentile(95)); json.writeNumberField("99", commandMetrics.getTotalTimePercentile(99)); json.writeNumberField("99.5", commandMetrics.getTotalTimePercentile(99.5)); json.writeNumberField("100", commandMetrics.getTotalTimePercentile(100)); json.writeEndObject(); // property values for reporting what is actually seen by the command // rather than what was set somewhere HystrixCommandProperties commandProperties = commandMetrics.getProperties(); json.writeNumberField("propertyValue_circuitBreakerRequestVolumeThreshold", commandProperties.circuitBreakerRequestVolumeThreshold().get()); json.writeNumberField("propertyValue_circuitBreakerSleepWindowInMilliseconds", commandProperties.circuitBreakerSleepWindowInMilliseconds().get()); json.writeNumberField("propertyValue_circuitBreakerErrorThresholdPercentage", commandProperties.circuitBreakerErrorThresholdPercentage().get()); json.writeBooleanField("propertyValue_circuitBreakerForceOpen", commandProperties.circuitBreakerForceOpen().get()); json.writeBooleanField("propertyValue_circuitBreakerForceClosed", commandProperties.circuitBreakerForceClosed().get()); json.writeBooleanField("propertyValue_circuitBreakerEnabled", commandProperties.circuitBreakerEnabled().get()); json.writeStringField("propertyValue_executionIsolationStrategy", commandProperties.executionIsolationStrategy().get().name()); json.writeNumberField("propertyValue_executionIsolationThreadTimeoutInMilliseconds", commandProperties.executionIsolationThreadTimeoutInMilliseconds().get()); json.writeBooleanField("propertyValue_executionIsolationThreadInterruptOnTimeout", commandProperties.executionIsolationThreadInterruptOnTimeout().get()); json.writeStringField("propertyValue_executionIsolationThreadPoolKeyOverride", commandProperties.executionIsolationThreadPoolKeyOverride().get()); json.writeNumberField("propertyValue_executionIsolationSemaphoreMaxConcurrentRequests", commandProperties.executionIsolationSemaphoreMaxConcurrentRequests().get()); json.writeNumberField("propertyValue_fallbackIsolationSemaphoreMaxConcurrentRequests", commandProperties.fallbackIsolationSemaphoreMaxConcurrentRequests().get()); // TODO /* * The following are commented out as these rarely change and are verbose * for streaming for something people don't change. We could perhaps allow * a property or request argument to include these. */ // json.put("propertyValue_metricsRollingPercentileEnabled", // commandProperties.metricsRollingPercentileEnabled().get()); // json.put("propertyValue_metricsRollingPercentileBucketSize", // commandProperties.metricsRollingPercentileBucketSize().get()); // json.put("propertyValue_metricsRollingPercentileWindow", // commandProperties.metricsRollingPercentileWindowInMilliseconds().get()); // json.put("propertyValue_metricsRollingPercentileWindowBuckets", // commandProperties.metricsRollingPercentileWindowBuckets().get()); // json.put("propertyValue_metricsRollingStatisticalWindowBuckets", // commandProperties.metricsRollingStatisticalWindowBuckets().get()); json.writeNumberField("propertyValue_metricsRollingStatisticalWindowInMilliseconds", commandProperties.metricsRollingStatisticalWindowInMilliseconds().get()); json.writeBooleanField("propertyValue_requestCacheEnabled", commandProperties.requestCacheEnabled().get()); json.writeBooleanField("propertyValue_requestLogEnabled", commandProperties.requestLogEnabled().get()); json.writeNumberField("reportingHosts", 1); // this will get summed across // all instances in a cluster json.writeEndObject(); // end data attribute json.writeEndObject(); json.close(); // output this.jsonMetrics.add(jsonString.getBuffer().toString()); } // thread pool metrics for (HystrixThreadPoolMetrics threadPoolMetrics : HystrixThreadPoolMetrics.getInstances()) { HystrixThreadPoolKey key = threadPoolMetrics.getThreadPoolKey(); StringWriter jsonString = new StringWriter(); JsonGenerator json = this.jsonFactory.createGenerator(jsonString); json.writeStartObject(); addServiceData(json, this.registration); json.writeObjectFieldStart("data"); json.writeStringField("type", "HystrixThreadPool"); json.writeStringField("name", key.name()); json.writeNumberField("currentTime", System.currentTimeMillis()); json.writeNumberField("currentActiveCount", threadPoolMetrics.getCurrentActiveCount().intValue()); json.writeNumberField("currentCompletedTaskCount", threadPoolMetrics.getCurrentCompletedTaskCount().longValue()); json.writeNumberField("currentCorePoolSize", threadPoolMetrics.getCurrentCorePoolSize().intValue()); json.writeNumberField("currentLargestPoolSize", threadPoolMetrics.getCurrentLargestPoolSize().intValue()); json.writeNumberField("currentMaximumPoolSize", threadPoolMetrics.getCurrentMaximumPoolSize().intValue()); json.writeNumberField("currentPoolSize", threadPoolMetrics.getCurrentPoolSize().intValue()); json.writeNumberField("currentQueueSize", threadPoolMetrics.getCurrentQueueSize().intValue()); json.writeNumberField("currentTaskCount", threadPoolMetrics.getCurrentTaskCount().longValue()); json.writeNumberField("rollingCountThreadsExecuted", threadPoolMetrics.getRollingCountThreadsExecuted()); json.writeNumberField("rollingMaxActiveThreads", threadPoolMetrics.getRollingMaxActiveThreads()); json.writeNumberField("propertyValue_queueSizeRejectionThreshold", threadPoolMetrics.getProperties().queueSizeRejectionThreshold().get()); json.writeNumberField("propertyValue_metricsRollingStatisticalWindowInMilliseconds", threadPoolMetrics.getProperties().metricsRollingStatisticalWindowInMilliseconds().get()); json.writeNumberField("reportingHosts", 1); // this will get summed across // all instances in a cluster json.writeEndObject(); // end of data object json.writeEndObject(); json.close(); // output to stream this.jsonMetrics.add(jsonString.getBuffer().toString()); } } catch (Exception ex) { log.error("Error adding metrics to queue", ex); } }
From source file:io.swagger.inflector.processors.JsonNodeExampleSerializer.java
public void writeValue(JsonGenerator jgen, String field, Example o) throws IOException { if (o instanceof ArrayExample) { ArrayExample obj = (ArrayExample) o; jgen.writeArrayFieldStart(field); for (Example item : obj.getItems()) { if (item.getName() != null) { jgen.writeStartObject(); writeTo(jgen, item);/*w ww. j a va2s . c o m*/ jgen.writeEndObject(); } else { writeTo(jgen, item); } } jgen.writeEndArray(); } else if (o instanceof BooleanExample) { BooleanExample obj = (BooleanExample) o; if (field != null) { jgen.writeBooleanField(field, obj.getValue()); } else { jgen.writeBoolean(obj.getValue()); } } else if (o instanceof DecimalExample) { DecimalExample obj = (DecimalExample) o; if (field != null) { jgen.writeNumberField(field, obj.getValue()); } else { jgen.writeNumber(obj.getValue()); } } else if (o instanceof DoubleExample) { DoubleExample obj = (DoubleExample) o; if (field != null) { jgen.writeNumberField(field, obj.getValue()); } else { jgen.writeNumber(obj.getValue()); } } else if (o instanceof FloatExample) { FloatExample obj = (FloatExample) o; if (field != null) { jgen.writeNumberField(field, obj.getValue()); } else { jgen.writeNumber(obj.getValue()); } } else if (o instanceof IntegerExample) { IntegerExample obj = (IntegerExample) o; if (field != null) { jgen.writeNumberField(field, obj.getValue()); } else { jgen.writeNumber(obj.getValue()); } } else if (o instanceof LongExample) { LongExample obj = (LongExample) o; if (field != null) { jgen.writeNumberField(field, obj.getValue()); } else { jgen.writeNumber(obj.getValue()); } } else if (o instanceof ObjectExample) { ObjectExample obj = (ObjectExample) o; if (field != null) { jgen.writeObjectField(field, obj); } } else if (o instanceof StringExample) { StringExample obj = (StringExample) o; if (field != null) { jgen.writeStringField(field, obj.getValue()); } else { jgen.writeString(obj.getValue()); } } }