Examples with TagKey io.opencensus.tags.TagKey used on opensource projects

Example 1 with TagKey

use of io.opencensus.tags.TagKey in project instrumentation-java by census-instrumentation.

the class StatszZPageHandlerTest method assertContainsViewData.

private static void assertContainsViewData(OutputStream output, ViewData viewData) {
    View view = viewData.getView();
    assertThat(output.toString()).contains(view.getName().asString());
    assertThat(output.toString()).contains(view.getDescription());
    assertThat(output.toString()).contains(view.getMeasure().getName());
    for (TagKey tagKey : view.getColumns()) {
        assertThat(output.toString()).contains(tagKey.getName());
    }
    String aggregationType = view.getAggregation().match(Functions.returnConstant("Sum"), Functions.returnConstant("Count"), Functions.returnConstant("Distribution"), Functions.returnConstant("Last Value"), new Function<Aggregation, String>() {

        @Override
        public String apply(Aggregation arg) {
            if (arg instanceof Aggregation.Mean) {
                return "Mean";
            }
            throw new AssertionError();
        }
    });
    assertThat(output.toString()).contains(aggregationType);
    for (Map.Entry<List<TagValue>, AggregationData> /*@Nullable*/
    entry : viewData.getAggregationMap().entrySet()) {
        List<TagValue> tagValues = entry.getKey();
        for (TagValue tagValue : tagValues) {
            String tagValueStr = tagValue == null ? "" : tagValue.asString();
            assertThat(output.toString()).contains(tagValueStr);
        }
        entry.getValue().match(Functions.</*@Nullable*/
        Void>throwAssertionError(), Functions.</*@Nullable*/
        Void>throwAssertionError(), Functions.</*@Nullable*/
        Void>throwAssertionError(), new Function<AggregationData.DistributionData, Void>() {

            @Override
            public Void apply(AggregationData.DistributionData arg) {
                assertThat(output.toString()).contains(String.valueOf(arg.getCount()));
                assertThat(output.toString()).contains(String.valueOf(arg.getMax()));
                assertThat(output.toString()).contains(String.valueOf(arg.getMin()));
                assertThat(output.toString()).contains(String.valueOf(arg.getMean()));
                assertThat(output.toString()).contains(String.valueOf(arg.getSumOfSquaredDeviations()));
                return null;
            }
        }, Functions.</*@Nullable*/
        Void>throwAssertionError(), Functions.</*@Nullable*/
        Void>throwAssertionError(), new Function<AggregationData, Void>() {

            @Override
            public Void apply(AggregationData arg) {
                if (arg instanceof MeanData) {
                    MeanData meanData = (MeanData) arg;
                    assertThat(output.toString()).contains(String.valueOf(meanData.getCount()));
                    assertThat(output.toString()).contains(String.valueOf(meanData.getMean()));
                    return null;
                }
                throw new AssertionError();
            }
        });
    }
}

Example 2 with TagKey

use of io.opencensus.tags.TagKey in project instrumentation-java by census-instrumentation.

the class ViewTest method preventDuplicateColumns.

@Test
public void preventDuplicateColumns() {
    TagKey key1 = TagKey.create("duplicate");
    TagKey key2 = TagKey.create("duplicate");
    thrown.expect(IllegalArgumentException.class);
    thrown.expectMessage("Columns have duplicate.");
    View.create(NAME, DESCRIPTION, MEASURE, MEAN, Arrays.asList(key1, key2));
}

Example 3 with TagKey

use of io.opencensus.tags.TagKey in project instrumentation-java by census-instrumentation.

the class StatszZPageHandler method emitViewDataTableHeader.

private static void emitViewDataTableHeader(View view, PrintWriter out, Formatter formatter) {
    out.write("<thead>");
    out.write("<tr>");
    for (TagKey tagKey : view.getColumns()) {
        formatter.format("<th class=\"borderRL\">TagKey: %s (string)</th>", tagKey.getName());
    }
    String unit = view.getMeasure().getUnit();
    view.getAggregation().match(new Function<Sum, Void>() {

        @Override
        public Void apply(Sum arg) {
            formatter.format("<th class=\"borderL\">%s, %s</th>", TABLE_HEADER_SUM, unit);
            return null;
        }
    }, new Function<Count, Void>() {

        @Override
        public Void apply(Count arg) {
            formatter.format("<th class=\"borderL\">%s</th>", TABLE_HEADER_COUNT);
            return null;
        }
    }, new Function<Distribution, Void>() {

        @Override
        public Void apply(Distribution arg) {
            formatter.format("<th>%s, %s</th>", TABLE_HEADER_MEAN, unit);
            formatter.format("<th class=\"borderL\">%s</th>", TABLE_HEADER_COUNT);
            formatter.format("<th class=\"borderL\">%s, %s</th>", TABLE_HEADER_MAX, unit);
            formatter.format("<th class=\"borderL\">%s, %s</th>", TABLE_HEADER_MIN, unit);
            formatter.format("<th class=\"borderL\">%s</th>", TABLE_HEADER_DEV);
            formatter.format("<th class=\"borderL\">%s</th>", TABLE_HEADER_HISTOGRAM);
            return null;
        }
    }, new Function<LastValue, Void>() {

        @Override
        public Void apply(LastValue arg) {
            formatter.format("<th class=\"borderL\">%s, %s</th>", TABLE_HEADER_LAST_VALUE, unit);
            return null;
        }
    }, new Function<Aggregation, Void>() {

        @Override
        public Void apply(Aggregation arg) {
            // deprecated RPC views.
            if (arg instanceof Aggregation.Mean) {
                formatter.format("<th>%s, %s</th>", TABLE_HEADER_MEAN, unit);
                formatter.format("<th class=\"borderL\">%s</th>", TABLE_HEADER_COUNT);
                return null;
            }
            throw new IllegalArgumentException("Unknown Aggregation.");
        }
    });
    out.write("</tr>");
    out.write("</thead>");
}

Example 4 with TagKey

use of io.opencensus.tags.TagKey in project instrumentation-java by census-instrumentation.

the class MetricUtils method viewToMetricDescriptor.

@javax.annotation.Nullable
static MetricDescriptor viewToMetricDescriptor(View view) {
    if (view.getWindow() instanceof View.AggregationWindow.Interval) {
        // Only creates Metric for cumulative stats.
        return null;
    }
    List<LabelKey> labelKeys = new ArrayList<LabelKey>();
    for (TagKey tagKey : view.getColumns()) {
        // TODO: add description
        labelKeys.add(LabelKey.create(tagKey.getName(), ""));
    }
    Measure measure = view.getMeasure();
    Aggregation aggregation = view.getAggregation();
    return MetricDescriptor.create(view.getName().asString(), view.getDescription(), getUnit(measure, aggregation), getType(measure, aggregation), labelKeys);
}

Example 5 with TagKey

use of io.opencensus.tags.TagKey in project instrumentation-java by census-instrumentation.

the class RecordUtils method getTagMap.

static Map<TagKey, TagValueWithMetadata> getTagMap(TagContext ctx) {
    if (ctx instanceof TagMapImpl) {
        return ((TagMapImpl) ctx).getTags();
    }
    Map<TagKey, TagValueWithMetadata> tags = Maps.newHashMap();
    for (Iterator<Tag> i = InternalUtils.getTags(ctx); i.hasNext(); ) {
        Tag tag = i.next();
        tags.put(tag.getKey(), TagValueWithMetadata.create(tag.getValue(), tag.getTagMetadata()));
    }
    return tags;
}