List of usage examples for com.fasterxml.jackson.core JsonGenerator writeObjectFieldStart
public final void writeObjectFieldStart(String fieldName) throws IOException, JsonGenerationException
From source file:de.escalon.hypermedia.hydra.serialize.JacksonHydraSerializer.java
private void serializeContext(Object bean, JsonGenerator jgen, SerializerProvider serializerProvider, Deque<String> deque) throws IOException { try {//from w w w .j a v a 2 s . c o m // TODO use serializerProvider.getAttributes to hold a stack of contexts // and check if we need to write a context for the current bean at all // If it is in the same vocab: no context // If the terms are already defined in the context: no context SerializationConfig config = serializerProvider.getConfig(); final Class<?> mixInClass = config.findMixInClassFor(bean.getClass()); String vocab = getVocab(bean, mixInClass); Map<String, Object> terms = getTerms(bean, mixInClass); final String currentVocab = deque.peek(); deque.push(vocab); boolean mustWriteContext; if (currentVocab == null || !vocab.equals(currentVocab)) { mustWriteContext = true; } else { // only write if bean has terms if (terms.isEmpty()) { mustWriteContext = false; } else { // TODO actually, need not repeat vocab in context if same mustWriteContext = true; } } if (mustWriteContext) { // begin context // default context: schema.org vocab or vocab package annotation jgen.writeObjectFieldStart("@context"); // TODO do not repeat vocab if already defined in current context if (currentVocab == null || !vocab.equals(currentVocab)) { jgen.writeStringField(AT_VOCAB, vocab); } for (Map.Entry<String, Object> termEntry : terms.entrySet()) { if (termEntry.getValue() instanceof String) { jgen.writeStringField(termEntry.getKey(), termEntry.getValue().toString()); } else { jgen.writeObjectField(termEntry.getKey(), termEntry.getValue()); } } jgen.writeEndObject(); } // end context // TODO build the context from @Vocab and @Term and @Expose and write it as local or external context with // TODO jsonld extension (using apt?) // TODO also allow manually created jsonld contexts // TODO how to define a context containing several context objects? @context is then an array of // TODO external context strings pointing to json-ld, and json objects containing terms // TODO another option: create custom vocabulary without reference to public vocabs // TODO support additionalType from goodrelations } catch (Exception e) { throw new RuntimeException(e); } }
From source file:de.escalon.hypermedia.spring.de.escalon.hypermedia.spring.jackson.LinkListSerializer.java
@Override public void serialize(List<Link> links, JsonGenerator jgen, SerializerProvider serializerProvider) throws IOException { try {//from ww w .ja v a2s . c o m Collection<Link> simpleLinks = new ArrayList<Link>(); Collection<Affordance> affordances = new ArrayList<Affordance>(); Collection<Link> templatedLinks = new ArrayList<Link>(); Collection<Affordance> templatedAffordances = new ArrayList<Affordance>(); for (Link link : links) { if (link instanceof Affordance) { final Affordance affordance = (Affordance) link; final List<ActionDescriptor> actionDescriptors = affordance.getActionDescriptors(); if (!actionDescriptors.isEmpty()) { if (affordance.isTemplated()) { templatedAffordances.add(affordance); } else { affordances.add(affordance); } } else { if (affordance.isTemplated()) { templatedLinks.add(affordance); } else { simpleLinks.add(affordance); } } } else if (link.isTemplated()) { templatedLinks.add(link); } else { simpleLinks.add(link); } } for (Affordance templatedAffordance : templatedAffordances) { jgen.writeObjectFieldStart(templatedAffordance.getRel()); jgen.writeStringField("@type", "hydra:IriTemplate"); jgen.writeStringField("hydra:template", templatedAffordance.getHref()); final List<ActionDescriptor> actionDescriptors = templatedAffordance.getActionDescriptors(); ActionDescriptor actionDescriptor = actionDescriptors.get(0); jgen.writeArrayFieldStart("hydra:mapping"); writeHydraVariableMapping(jgen, actionDescriptor, actionDescriptor.getPathVariableNames()); writeHydraVariableMapping(jgen, actionDescriptor, actionDescriptor.getRequestParamNames()); jgen.writeEndArray(); jgen.writeEndObject(); } for (Link templatedLink : templatedLinks) { // we only have the template, no access to method params jgen.writeObjectFieldStart(templatedLink.getRel()); jgen.writeStringField("@type", "hydra:IriTemplate"); jgen.writeStringField("hydra:template", templatedLink.getHref()); jgen.writeArrayFieldStart("hydra:mapping"); writeHydraVariableMapping(jgen, null, templatedLink.getVariableNames()); jgen.writeEndArray(); jgen.writeEndObject(); } Deque<String> vocabStack = (Deque<String>) serializerProvider .getAttribute(JacksonHydraSerializer.KEY_LD_CONTEXT); String currentVocab = vocabStack != null ? vocabStack.peek() : null; for (Affordance affordance : affordances) { final String rel = affordance.getRel(); List<ActionDescriptor> actionDescriptors = affordance.getActionDescriptors(); if (!actionDescriptors.isEmpty()) { if (!Link.REL_SELF.equals(rel)) { jgen.writeObjectFieldStart(rel); // begin rel } jgen.writeStringField(JacksonHydraSerializer.AT_ID, affordance.getHref()); jgen.writeArrayFieldStart("hydra:operation"); } for (ActionDescriptor actionDescriptor : actionDescriptors) { jgen.writeStartObject(); // begin a hydra:Operation final String semanticActionType = actionDescriptor.getSemanticActionType(); if (semanticActionType != null) { jgen.writeStringField("@type", semanticActionType); } jgen.writeStringField("hydra:method", actionDescriptor.getHttpMethod().name()); final ActionInputParameter requestBodyInputParameter = actionDescriptor.getRequestBody(); if (requestBodyInputParameter != null) { jgen.writeObjectFieldStart("hydra:expects"); // begin hydra:expects final Class<?> clazz = requestBodyInputParameter.getNestedParameterType(); final Expose classExpose = clazz.getAnnotation(Expose.class); final String typeName; if (classExpose != null) { typeName = classExpose.value(); } else { typeName = requestBodyInputParameter.getNestedParameterType().getSimpleName(); } jgen.writeStringField("@type", typeName); jgen.writeArrayFieldStart("hydra:supportedProperty"); // begin hydra:supportedProperty // TODO check need for actionDescriptor and requestBodyInputParameter here: recurseSupportedProperties(jgen, currentVocab, clazz, actionDescriptor, requestBodyInputParameter, requestBodyInputParameter.getCallValue()); jgen.writeEndArray(); // end hydra:supportedProperty jgen.writeEndObject(); // end hydra:expects } jgen.writeEndObject(); // end hydra:Operation } if (!actionDescriptors.isEmpty()) { jgen.writeEndArray(); // end hydra:operation if (!Link.REL_SELF.equals(rel)) { jgen.writeEndObject(); // end rel } } } for (Link simpleLink : simpleLinks) { final String rel = simpleLink.getRel(); if (Link.REL_SELF.equals(rel)) { jgen.writeStringField("@id", simpleLink.getHref()); } else { String linkAttributeName = IanaRels.isIanaRel(rel) ? IANA_REL_PREFIX + rel : rel; jgen.writeObjectFieldStart(linkAttributeName); jgen.writeStringField("@id", simpleLink.getHref()); jgen.writeEndObject(); } } } catch (IntrospectionException e) { throw new RuntimeException(e); } }
From source file:de.escalon.hypermedia.spring.hydra.PagedResourcesSerializer.java
@Override public void serialize(PagedResources pagedResources, JsonGenerator jgen, SerializerProvider serializerProvider) throws IOException { final SerializationConfig config = serializerProvider.getConfig(); JavaType javaType = config.constructType(pagedResources.getClass()); JsonSerializer<Object> serializer = BeanSerializerFactory.instance.createSerializer(serializerProvider, javaType);/* w ww . j a v a 2s . co m*/ // replicate pretty much everything from JacksonHydraSerializer // since we must reorganize the internals of pagedResources to get a hydra collection // with partial page view, we have to serialize pagedResources with an // unwrapping serializer Deque<LdContext> contextStack = (Deque<LdContext>) serializerProvider.getAttribute(KEY_LD_CONTEXT); if (contextStack == null) { contextStack = new ArrayDeque<LdContext>(); serializerProvider.setAttribute(KEY_LD_CONTEXT, contextStack); } // TODO: filter next/previous/first/last from link list - maybe create new PagedResources without them? List<Link> links = pagedResources.getLinks(); List<Link> filteredLinks = new ArrayList<Link>(); for (Link link : links) { String rel = link.getRel(); if (navigationRels.contains(rel)) { continue; } else { filteredLinks.add(link); } } PagedResources toRender = new PagedResources(pagedResources.getContent(), pagedResources.getMetadata(), filteredLinks); jgen.writeStartObject(); serializeContext(toRender, jgen, serializerProvider, contextStack); jgen.writeStringField(JsonLdKeywords.AT_TYPE, "hydra:Collection"); // serialize with PagedResourcesMixin serializer.unwrappingSerializer(NameTransformer.NOP).serialize(toRender, jgen, serializerProvider); PagedResources.PageMetadata metadata = pagedResources.getMetadata(); jgen.writeNumberField("hydra:totalItems", metadata.getTotalElements()); // begin hydra:view jgen.writeObjectFieldStart("hydra:view"); jgen.writeStringField(JsonLdKeywords.AT_TYPE, "hydra:PartialCollectionView"); writeRelLink(pagedResources, jgen, Link.REL_NEXT); writeRelLink(pagedResources, jgen, "previous"); // must also translate prev to its synonym previous writeRelLink(pagedResources, jgen, Link.REL_PREVIOUS, "previous"); writeRelLink(pagedResources, jgen, Link.REL_FIRST); writeRelLink(pagedResources, jgen, Link.REL_LAST); jgen.writeEndObject(); // end hydra:view jgen.writeEndObject(); contextStack = (Deque<LdContext>) serializerProvider.getAttribute(KEY_LD_CONTEXT); if (!contextStack.isEmpty()) { contextStack.pop(); } }
From source file:com.baidubce.services.bmr.BmrClient.java
/** * Create a cluster with the specified options. * * @param request The request containing all options for creating a BMR cluster. * @return The response containing the ID of the newly created cluster. *//*from w w w .java2 s . c o m*/ public CreateClusterResponse createCluster(CreateClusterRequest request) { checkNotNull(request, "request should not be null."); checkStringNotEmpty(request.getImageType(), "The imageType should not be null or empty string."); checkStringNotEmpty(request.getImageVersion(), "The imageVersion should not be null or empty string."); checkNotNull(request.getInstanceGroups(), "The instanceGroups should not be null."); StringWriter writer = new StringWriter(); try { JsonGenerator jsonGenerator = JsonUtils.jsonGeneratorOf(writer); jsonGenerator.writeStartObject(); jsonGenerator.writeStringField("imageType", request.getImageType()); jsonGenerator.writeStringField("imageVersion", request.getImageVersion()); jsonGenerator.writeArrayFieldStart("instanceGroups"); for (InstanceGroupConfig instanceGroup : request.getInstanceGroups()) { jsonGenerator.writeStartObject(); if (instanceGroup.getName() != null) { jsonGenerator.writeStringField("name", instanceGroup.getName()); } jsonGenerator.writeStringField("type", instanceGroup.getType()); jsonGenerator.writeStringField("instanceType", instanceGroup.getInstanceType()); jsonGenerator.writeNumberField("instanceCount", instanceGroup.getInstanceCount()); jsonGenerator.writeEndObject(); } jsonGenerator.writeEndArray(); if (request.getName() != null) { jsonGenerator.writeStringField("name", request.getName()); } if (request.getLogUri() != null) { jsonGenerator.writeStringField("logUri", request.getLogUri()); } jsonGenerator.writeBooleanField("autoTerminate", request.getAutoTerminate()); if (request.getApplications() != null) { jsonGenerator.writeArrayFieldStart("applications"); for (ApplicationConfig application : request.getApplications()) { jsonGenerator.writeStartObject(); jsonGenerator.writeStringField("name", application.getName()); jsonGenerator.writeStringField("version", application.getVersion()); if (application.getProperties() != null) { jsonGenerator.writeObjectFieldStart("properties"); for (Map.Entry<String, Object> entry : application.getProperties().entrySet()) { jsonGenerator.writeObjectField(entry.getKey(), entry.getValue()); } jsonGenerator.writeEndObject(); } jsonGenerator.writeEndObject(); } jsonGenerator.writeEndArray(); } if (request.getSteps() != null) { jsonGenerator.writeArrayFieldStart("steps"); for (StepConfig step : request.getSteps()) { jsonGenerator.writeStartObject(); if (step.getName() != null) { jsonGenerator.writeStringField("name", step.getName()); } jsonGenerator.writeStringField("type", step.getType()); jsonGenerator.writeStringField("actionOnFailure", step.getActionOnFailure()); jsonGenerator.writeObjectFieldStart("properties"); for (Map.Entry<String, String> entry : step.getProperties().entrySet()) { jsonGenerator.writeStringField(entry.getKey(), entry.getValue()); } jsonGenerator.writeEndObject(); jsonGenerator.writeEndObject(); } jsonGenerator.writeEndArray(); } jsonGenerator.writeEndObject(); jsonGenerator.close(); } catch (IOException e) { throw new BceClientException("Fail to generate json", e); } byte[] json = null; try { json = writer.toString().getBytes(DEFAULT_ENCODING); } catch (UnsupportedEncodingException e) { throw new BceClientException("Fail to get UTF-8 bytes", e); } InternalRequest internalRequest = this.createRequest(request, HttpMethodName.POST, CLUSTER); internalRequest.addHeader(Headers.CONTENT_LENGTH, String.valueOf(json.length)); internalRequest.addHeader(Headers.CONTENT_TYPE, "application/json"); internalRequest.setContent(RestartableInputStream.wrap(json)); if (request.getClientToken() != null) { internalRequest.addParameter("clientToken", request.getClientToken()); } return this.invokeHttpClient(internalRequest, CreateClusterResponse.class); }
From source file:de.escalon.hypermedia.spring.de.escalon.hypermedia.spring.jackson.LinkListSerializer.java
private void recurseSupportedProperties(JsonGenerator jgen, String currentVocab, Class<?> beanType, ActionDescriptor actionDescriptor, ActionInputParameter actionInputParameter, Object currentCallValue) throws IntrospectionException, IOException { // TODO support Option provider by other method args? final BeanInfo beanInfo = Introspector.getBeanInfo(beanType); final PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors(); // TODO collection and map for (PropertyDescriptor propertyDescriptor : propertyDescriptors) { final Method writeMethod = propertyDescriptor.getWriteMethod(); if (writeMethod == null) { continue; }//from w ww. j a v a 2 s . com final Class<?> propertyType = propertyDescriptor.getPropertyType(); // TODO: the property name must be a valid URI - need to check context for terms? String propertyName = getWritableExposedPropertyOrPropertyName(propertyDescriptor); if (DataType.isScalar(propertyType)) { final Property property = new Property(beanType, propertyDescriptor.getReadMethod(), propertyDescriptor.getWriteMethod(), propertyDescriptor.getName()); Object propertyValue = getPropertyValue(currentCallValue, propertyDescriptor); ActionInputParameter propertySetterInputParameter = new ActionInputParameter( new MethodParameter(propertyDescriptor.getWriteMethod(), 0), propertyValue); final Object[] possiblePropertyValues = actionInputParameter.getPossibleValues(property, actionDescriptor); writeSupportedProperty(jgen, currentVocab, propertySetterInputParameter, propertyName, property, possiblePropertyValues); } else { jgen.writeStartObject(); jgen.writeStringField("hydra:property", propertyName); // TODO: is the property required -> for bean props we need the Access annotation to express that jgen.writeObjectFieldStart(getPropertyOrClassNameInVocab(currentVocab, "rangeIncludes", JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:")); Expose expose = AnnotationUtils.getAnnotation(propertyType, Expose.class); String subClass; if (expose != null) { subClass = expose.value(); } else { subClass = propertyType.getSimpleName(); } jgen.writeStringField(getPropertyOrClassNameInVocab(currentVocab, "subClassOf", "http://www.w3.org/2000/01/rdf-schema#", "rdfs:"), subClass); jgen.writeArrayFieldStart("hydra:supportedProperty"); Object propertyValue = getPropertyValue(currentCallValue, propertyDescriptor); recurseSupportedProperties(jgen, currentVocab, propertyType, actionDescriptor, actionInputParameter, propertyValue); jgen.writeEndArray(); jgen.writeEndObject(); jgen.writeEndObject(); } } }
From source file:org.n52.tamis.core.json.serialize.processes.execute.ExtendedExecuteHttpPostBodySerializer.java
@Override public void serialize(Execute_HttpPostBody executeBody_short, JsonGenerator jsonGenerator, SerializerProvider serProvider) throws IOException, JsonProcessingException { logger.info("Start serialization of execute HTTP POST input body \"{}\"", executeBody_short); /*//ww w . java 2s. c o m * the structure of the target JSON body looks like: * * { "Execute": { "Identifier": "org.n52.tamis.algorithm.interpolation", "Input": [ { "Input": [ { "Reference": { "_href": "http://fluggs.wupperverband.de/sos2/service?service=SOS&request=GetObservation&version=2.0.0&offering=Zeitreihen_2m_Tiefe&observedProperty=Grundwasserstand&responseFormat=http%3A//www.opengis.net/om/2.0", "_mimeType": "application/om+xml; version=2.0", "_schema": "http://schemas.opengis.net/om/2.0/observation.xsd" }, "_id": "gw1" }, { "Reference": { "_href": "http://fluggs.wupperverband.de/sos2/service?service=SOS&request=GetObservation&version=2.0.0&offering=Zeitreihen_2m_Tiefe&observedProperty=Sohlenwasserdruck&responseFormat=http%3A//www.opengis.net/om/2.0", "_mimeType": "application/om+xml; version=2.0", "_schema": "http://schemas.opengis.net/om/2.0/observation.xsd" }, "_id": "swd1" } ], "_id": "input-variables" }, { "Data": { "_mimeType": "text/xml", "_schema": "http://schemas.opengis.net/gml/3.2.1/base/feature.xsd", "__text": "<wfs:FeatureCollection xmlns:testbed11="http://opengeospatial.org" xmlns:wfs="http://www.opengis.net/wfs" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xmlns:ows="http://www.opengis.net/ows" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:wml2="http://www.opengis.net/waterml/2.0" xmlns:sf="http://www.opengis.net/sampling/2.0" xmlns:sams="http://www.opengis.net/samplingSpatial/2.0" numberOfFeatures="1" timeStamp="2016-02-15T16:24:55.640Z" xsi:schemaLocation="http://www.opengis.net/wfs http://geoprocessing.demo.52north.org:8080/geoserver/schemas/wfs/1.1.0/wfs.xsd"> <gml:featureMembers> <wml2:MonitoringPoint gml:id="xyz.1"> <gml:identifier codeSpace="http://www.opengis.net/def/nil/OGC/0/unknown">xyz</gml:identifier> <gml:name codeSpace="http://www.opengis.net/def/nil/OGC/0/unknown">xyz</gml:name> <sf:sampledFeature xlink:href="urn:ogc:def:nil:OGC:unknown" /> <sams:shape> <ns:Point xmlns:ns="http://www.opengis.net/gml/3.2" ns:id="point_xyz"> <ns:pos srsName="http://www.opengis.net/def/crs/EPSG/0/31466">5668202.8356 2595842.8958</ns:pos> </ns:Point> </sams:shape> </wml2:MonitoringPoint> </gml:featureMembers> </wfs:FeatureCollection>" }, "_id": "target-variable-point" } ], "output": { "_mimeType": "application/om+xml; version=2.0", "_schema": "http://schemas.opengis.net/om/2.0/observation.xsd", "_id": "estimated-values", "_transmission": "value" }, "_service": "WPS", "_version": "2.0.0"} } */ jsonGenerator.writeStartObject(); jsonGenerator.writeObjectFieldStart("Execute"); jsonGenerator.writeStringField("Identifier", executeBody_short.getProcessId()); jsonGenerator.writeArrayFieldStart("Input"); List<ExecuteInput> inputs = executeBody_short.getInputs(); for (ExecuteInput executeInput : inputs) { jsonGenerator.writeObject(executeInput); } jsonGenerator.writeEndArray(); /** * TODO is it really correct, that "output" starts with a small "o"? */ jsonGenerator.writeArrayFieldStart("output"); List<ExecuteOutput> outputs = executeBody_short.getOutputs(); for (ExecuteOutput executeOutput : outputs) { jsonGenerator.writeObject(executeOutput); } jsonGenerator.writeEndArray(); jsonGenerator.writeStringField("_service", Execute_HttpPostBody.service); jsonGenerator.writeStringField("_version", executeBody_short.getVersion()); jsonGenerator.writeEndObject(); jsonGenerator.writeEndObject(); logger.info("Serialization of execute HTTP POST input body ended."); }
From source file:com.netflix.hystrix.serial.SerialHystrixDashboardData.java
private static void writeCommandMetrics(final HystrixCommandMetrics commandMetrics, JsonGenerator json) throws IOException { HystrixCommandKey key = commandMetrics.getCommandKey(); HystrixCircuitBreaker circuitBreaker = HystrixCircuitBreaker.Factory.getInstance(key); json.writeStartObject();/*from ww w . ja v a 2 s .co m*/ json.writeStringField("type", "HystrixCommand"); json.writeStringField("name", key.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 safelyWriteNumberField(json, "rollingCountBadRequests", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.BAD_REQUEST); } }); safelyWriteNumberField(json, "rollingCountCollapsedRequests", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.COLLAPSED); } }); safelyWriteNumberField(json, "rollingCountEmit", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.EMIT); } }); safelyWriteNumberField(json, "rollingCountExceptionsThrown", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.EXCEPTION_THROWN); } }); safelyWriteNumberField(json, "rollingCountFailure", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.FAILURE); } }); safelyWriteNumberField(json, "rollingCountFallbackEmit", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_EMIT); } }); safelyWriteNumberField(json, "rollingCountFallbackFailure", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_FAILURE); } }); safelyWriteNumberField(json, "rollingCountFallbackMissing", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_MISSING); } }); safelyWriteNumberField(json, "rollingCountFallbackRejection", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_REJECTION); } }); safelyWriteNumberField(json, "rollingCountFallbackSuccess", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_SUCCESS); } }); safelyWriteNumberField(json, "rollingCountResponsesFromCache", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.RESPONSE_FROM_CACHE); } }); safelyWriteNumberField(json, "rollingCountSemaphoreRejected", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.SEMAPHORE_REJECTED); } }); safelyWriteNumberField(json, "rollingCountShortCircuited", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.SHORT_CIRCUITED); } }); safelyWriteNumberField(json, "rollingCountSuccess", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.SUCCESS); } }); safelyWriteNumberField(json, "rollingCountThreadPoolRejected", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.THREAD_POOL_REJECTED); } }); safelyWriteNumberField(json, "rollingCountTimeout", new Func0<Long>() { @Override public Long call() { return commandMetrics.getRollingCount(HystrixEventType.TIMEOUT); } }); json.writeNumberField("currentConcurrentExecutionCount", commandMetrics.getCurrentConcurrentExecutionCount()); json.writeNumberField("rollingMaxConcurrentExecutionCount", commandMetrics.getRollingMaxConcurrentExecutions()); // 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.executionTimeoutInMilliseconds().get()); json.writeNumberField("propertyValue_executionTimeoutInMilliseconds", commandProperties.executionTimeoutInMilliseconds().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()); /* * 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.writeStringField("threadPool", commandMetrics.getThreadPoolKey().name()); json.writeEndObject(); }
From source file:de.escalon.hypermedia.spring.hydra.LinkListSerializer.java
@Override public void serialize(List<Link> links, JsonGenerator jgen, SerializerProvider serializerProvider) throws IOException { try {/* www. j a v a 2 s .c o m*/ Collection<Link> simpleLinks = new ArrayList<Link>(); Collection<Affordance> affordances = new ArrayList<Affordance>(); Collection<Link> templatedLinks = new ArrayList<Link>(); Collection<Affordance> collectionAffordances = new ArrayList<Affordance>(); Link selfRel = null; for (Link link : links) { if (link instanceof Affordance) { final Affordance affordance = (Affordance) link; final List<ActionDescriptor> actionDescriptors = affordance.getActionDescriptors(); if (!actionDescriptors.isEmpty()) { // TODO: consider to use Link href for template even if it is not compatible if (affordance.getUriTemplateComponents().hasVariables()) { // TODO resolve rel against context if ("hydra:search".equals(affordance.getRel()) || Cardinality.SINGLE == affordance.getCardinality()) { templatedLinks.add(affordance); } else { collectionAffordances.add(affordance); } } else { // if all required variables are satisfied, the url can be used as identifier // by stripping optional variables if (!affordance.isSelfRel() && Cardinality.COLLECTION == affordance.getCardinality()) { collectionAffordances.add(affordance); } else { affordances.add(affordance); } } } else { if (affordance.isTemplated()) { templatedLinks.add(affordance); } else { simpleLinks.add(affordance); } } } else if (link.isTemplated()) { templatedLinks.add(link); } else { simpleLinks.add(link); } if ("self".equals(link.getRel())) { selfRel = link; } } for (Link templatedLink : templatedLinks) { // templated affordance might turn out to have all variables satisfied or // only optional unsatisfied variables ActionDescriptor actionDescriptorForHttpGet = getActionDescriptorForHttpGet(templatedLink); // TODO handle rev here String rel = templatedLink.getRel(); writeIriTemplate(rel, templatedLink.getHref(), templatedLink.getVariableNames(), actionDescriptorForHttpGet, jgen); } @SuppressWarnings("unchecked") Deque<LdContext> contextStack = (Deque<LdContext>) serializerProvider .getAttribute(JacksonHydraSerializer.KEY_LD_CONTEXT); String currentVocab = (contextStack != null && !contextStack.isEmpty()) ? contextStack.peek().vocab : null; // related collections if (!collectionAffordances.isEmpty()) { jgen.writeArrayFieldStart("hydra:collection"); for (Affordance collectionAffordance : collectionAffordances) { jgen.writeStartObject(); jgen.writeStringField(JsonLdKeywords.AT_TYPE, "hydra:Collection"); PartialUriTemplateComponents templateComponents = collectionAffordance .getUriTemplateComponents(); if (!collectionAffordance.isBaseUriTemplated() && !collectionAffordance.hasUnsatisfiedRequiredVariables()) { String collectionUri = templateComponents.getBaseUri() + templateComponents.getQueryHead(); jgen.writeStringField(JsonLdKeywords.AT_ID, collectionUri); } if (templateComponents.hasVariables()) { ActionDescriptor actionDescriptorForHttpGet = getActionDescriptorForHttpGet( collectionAffordance); writeIriTemplate("hydra:search", templateComponents.toString(), templateComponents.getVariableNames(), actionDescriptorForHttpGet, jgen); } jgen.writeObjectFieldStart("hydra:manages"); // do we have a collection holder which is not owner of the affordance? TypedResource collectionHolder = collectionAffordance.getCollectionHolder(); if (collectionAffordance.getRev() != null) { jgen.writeStringField("hydra:property", collectionAffordance.getRev()); if (collectionHolder != null) { // can't use writeObjectField, it won't inherit the context stack writeCollectionHolder("hydra:object", collectionHolder, jgen); } else if (selfRel != null) { jgen.writeStringField("hydra:object", selfRel.getHref()); } } else if (collectionAffordance.getRel() != null) { jgen.writeStringField("hydra:property", collectionAffordance.getRel()); if (collectionHolder != null) { // can't use writeObjectField, it won't inherit the context stack writeCollectionHolder("hydra:subject", collectionHolder, jgen); } else if (selfRel != null) { jgen.writeStringField("hydra:subject", selfRel.getHref()); } } jgen.writeEndObject(); // end manages List<ActionDescriptor> actionDescriptors = collectionAffordance.getActionDescriptors(); if (!actionDescriptors.isEmpty()) { jgen.writeArrayFieldStart("hydra:operation"); } writeActionDescriptors(jgen, currentVocab, actionDescriptors); if (!actionDescriptors.isEmpty()) { jgen.writeEndArray(); // end hydra:operation } jgen.writeEndObject(); // end collection } jgen.writeEndArray(); } for (Affordance affordance : affordances) { final String rel = affordance.getRel(); List<ActionDescriptor> actionDescriptors = affordance.getActionDescriptors(); if (!actionDescriptors.isEmpty()) { if (!Link.REL_SELF.equals(rel)) { jgen.writeObjectFieldStart(rel); // begin rel } jgen.writeStringField(JsonLdKeywords.AT_ID, affordance.getHref()); jgen.writeArrayFieldStart("hydra:operation"); } writeActionDescriptors(jgen, currentVocab, actionDescriptors); if (!actionDescriptors.isEmpty()) { jgen.writeEndArray(); // end hydra:operation if (!Link.REL_SELF.equals(rel)) { jgen.writeEndObject(); // end rel } } } for (Link simpleLink : simpleLinks) { final String rel = simpleLink.getRel(); if (Link.REL_SELF.equals(rel)) { jgen.writeStringField("@id", simpleLink.getHref()); } else { String linkAttributeName = IanaRels.isIanaRel(rel) ? IANA_REL_PREFIX + rel : rel; jgen.writeObjectFieldStart(linkAttributeName); jgen.writeStringField("@id", simpleLink.getHref()); jgen.writeEndObject(); } } } catch (IntrospectionException e) { throw new RuntimeException(e); } }