Examples of com.fasterxml.jackson.core.JsonGenerator.writeStartObject()

Class com.fasterxml.jackson.core.JsonGenerator

Examples of com.fasterxml.jackson.core.JsonGenerator.writeStartObject()

com.fasterxml.jackson.core.JsonGenerator.writeStartObject()
Method for writing starting marker of a JSON Object value (character '{'; plus possible white space decoration if pretty-printing is enabled).
Object values can be written in any context where values are allowed: meaning everywhere except for when a field name is expected.

                    }
                }
                json.writeEndObject();


                json.writeFieldName("rate");
                json.writeStartObject();
                {
                    writeMeteredFields(timer, json);
                }
                json.writeEndObject();
            }

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        }


        @Override
        public void processGauge(MetricName name, Gauge<?> gauge, Context context) throws Exception {
            final JsonGenerator json = context.json;
            json.writeStartObject();
            {
                json.writeStringField("type", "gauge");
                json.writeObjectField("value", evaluateGauge(gauge));
            }
            json.writeEndObject();

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        JsonFactory factory = new JsonFactory(new ObjectMapper());
        final JsonGenerator json = factory.createGenerator(writer);
        if (pretty) {
            json.useDefaultPrettyPrinter();
        }
        json.writeStartObject();
        {
            if (("jvm".equals(classPrefix) || Strings.isNullOrEmpty(classPrefix))) {
                writeVmMetrics(json);
            }

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    public static class ServerMetrics implements MetricProcessor<Context> {
        @Override
        public void processMeter(MetricName name, Metered meter, Context context) throws Exception {
            final JsonGenerator json = context.json;
            json.writeStartObject();
            {
                json.writeStringField("type", "meter");
                json.writeStringField("event_type", meter.eventType());
                writeMeteredFields(meter, json);
            }

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        }


        @Override
        public void processCounter(MetricName name, Counter counter, Context context) throws Exception {
            final JsonGenerator json = context.json;
            json.writeStartObject();
            {
                json.writeStringField("type", "counter");
                json.writeNumberField("count", counter.count());
            }
            json.writeEndObject();

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        }


        @Override
        public void processHistogram(MetricName name, Histogram histogram, Context context) throws Exception {
            final JsonGenerator json = context.json;
            json.writeStartObject();
            {
                json.writeStringField("type", "histogram");
                json.writeNumberField("count", histogram.count());
                writeSummarizable(histogram, json);
                writeSampling(histogram, json);

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        }


        @Override
        public void processTimer(MetricName name, Timer timer, Context context) throws Exception {
            final JsonGenerator json = context.json;
            json.writeStartObject();
            {
                json.writeStringField("type", "timer");
                json.writeFieldName("duration");
                json.writeStartObject();
                {

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            final JsonGenerator json = context.json;
            json.writeStartObject();
            {
                json.writeStringField("type", "timer");
                json.writeFieldName("duration");
                json.writeStartObject();
                {
                    json.writeStringField("unit", timer.durationUnit().toString().toLowerCase());
                    writeSummarizable(timer, json);
                    writeSampling(timer, json);
                    if (context.showFullSamples) {

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      @Override
      public void visit(MetricTreeObject o) {
        try {
          writeKey(o);
          jsonGenerator.writeStartObject();
          o.visitChildren(this);
          jsonGenerator.writeEndObject();
        } catch (IOException e) {
          throw new IllegalStateException("Error serializing to JSON", e);
        }

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  private String generateJson(Map<String, Object> map) throws IOException {
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createGenerator(writer);
    // wrap in an object to form proper json
    generator.writeStartObject();


    hstore.jsonWrite(generator, "key", map);


    generator.writeEndObject();
    generator.flush();

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