Examples with TracerProvider io.opentelemetry.api.trace.TracerProvider used on opensource projects

Example 1 with TracerProvider

use of io.opentelemetry.api.trace.TracerProvider in project opentelemetry-java by open-telemetry.

the class SdkSpanBuilderTest method addAttributes_OnlyViaSampler.

@Test
void addAttributes_OnlyViaSampler() {
    Sampler sampler = new Sampler() {

        @Override
        public SamplingResult shouldSample(Context parentContext, String traceId, String name, SpanKind spanKind, Attributes attributes, List<LinkData> parentLinks) {
            return SamplingResult.create(SamplingDecision.RECORD_AND_SAMPLE, Attributes.builder().put("cat", "meow").build());
        }

        @Override
        public String getDescription() {
            return "test";
        }
    };
    TracerProvider tracerProvider = SdkTracerProvider.builder().setSampler(sampler).build();
    // Verify methods do not crash.
    SpanBuilder spanBuilder = tracerProvider.get("test").spanBuilder(SPAN_NAME);
    SdkSpan span = (SdkSpan) spanBuilder.startSpan();
    span.end();
    assertThat(span.toSpanData().getAttributes().size()).isEqualTo(1);
    assertThat(span.toSpanData().getAttributes().get(stringKey("cat"))).isEqualTo("meow");
}

Example 2 with TracerProvider

use of io.opentelemetry.api.trace.TracerProvider in project opentelemetry-java by open-telemetry.

the class SdkSpanBuilderTest method droppingAttributes.

@Test
void droppingAttributes() {
    int maxNumberOfAttrs = 8;
    SpanLimits spanLimits = SpanLimits.builder().setMaxNumberOfAttributes(maxNumberOfAttrs).build();
    TracerProvider tracerProvider = SdkTracerProvider.builder().setSpanLimits(spanLimits).build();
    // Verify methods do not crash.
    SpanBuilder spanBuilder = tracerProvider.get("test").spanBuilder(SPAN_NAME);
    for (int i = 0; i < 2 * maxNumberOfAttrs; i++) {
        spanBuilder.setAttribute("key" + i, i);
    }
    SdkSpan span = (SdkSpan) spanBuilder.startSpan();
    try {
        Attributes attrs = span.toSpanData().getAttributes();
        assertThat(attrs.size()).isEqualTo(maxNumberOfAttrs);
        for (int i = 0; i < maxNumberOfAttrs; i++) {
            assertThat(attrs.get(longKey("key" + i))).isEqualTo(i);
        }
    } finally {
        span.end();
    }
}

Example 3 with TracerProvider

use of io.opentelemetry.api.trace.TracerProvider in project opentelemetry-java by open-telemetry.

the class SdkSpanBuilderTest method linkAttributeLength.

@Test
void linkAttributeLength() {
    int maxLength = 25;
    TracerProvider tracerProvider = SdkTracerProvider.builder().setSpanLimits(SpanLimits.builder().setMaxAttributeValueLength(maxLength).build()).build();
    SpanBuilder spanBuilder = tracerProvider.get("test").spanBuilder(SPAN_NAME);
    String strVal = IntStream.range(0, maxLength).mapToObj(i -> "a").collect(joining());
    String tooLongStrVal = strVal + strVal;
    Attributes attributes = Attributes.builder().put("string", tooLongStrVal).put("boolean", true).put("long", 1L).put("double", 1.0).put(stringArrayKey("stringArray"), Arrays.asList(strVal, tooLongStrVal)).put(booleanArrayKey("booleanArray"), Arrays.asList(true, false)).put(longArrayKey("longArray"), Arrays.asList(1L, 2L)).put(doubleArrayKey("doubleArray"), Arrays.asList(1.0, 2.0)).build();
    spanBuilder.addLink(sampledSpanContext, attributes);
    SdkSpan span = (SdkSpan) spanBuilder.startSpan();
    try {
        attributes = span.toSpanData().getLinks().get(0).getAttributes();
        assertThat(attributes.get(stringKey("string"))).isEqualTo(strVal);
        assertThat(attributes.get(booleanKey("boolean"))).isEqualTo(true);
        assertThat(attributes.get(longKey("long"))).isEqualTo(1L);
        assertThat(attributes.get(doubleKey("double"))).isEqualTo(1.0);
        assertThat(attributes.get(stringArrayKey("stringArray"))).isEqualTo(Arrays.asList(strVal, strVal));
        assertThat(attributes.get(booleanArrayKey("booleanArray"))).isEqualTo(Arrays.asList(true, false));
        assertThat(attributes.get(longArrayKey("longArray"))).isEqualTo(Arrays.asList(1L, 2L));
        assertThat(attributes.get(doubleArrayKey("doubleArray"))).isEqualTo(Arrays.asList(1.0, 2.0));
    } finally {
        span.end();
    }
}

Example 4 with TracerProvider

use of io.opentelemetry.api.trace.TracerProvider in project opentelemetry-java by open-telemetry.

the class SdkSpanBuilderTest method truncateLinkAttributes.

@Test
void truncateLinkAttributes() {
    SpanLimits spanLimits = SpanLimits.builder().setMaxNumberOfAttributesPerLink(1).build();
    TracerProvider tracerProvider = SdkTracerProvider.builder().setSpanLimits(spanLimits).build();
    // Verify methods do not crash.
    SpanBuilder spanBuilder = tracerProvider.get("test").spanBuilder(SPAN_NAME);
    Attributes attributes = Attributes.of(stringKey("key0"), "str", stringKey("key1"), "str", stringKey("key2"), "str");
    spanBuilder.addLink(sampledSpanContext, attributes);
    SdkSpan span = (SdkSpan) spanBuilder.startSpan();
    try {
        assertThat(span.toSpanData().getLinks()).containsExactly(LinkData.create(sampledSpanContext, Attributes.of(stringKey("key0"), "str"), 3));
    } finally {
        span.end();
    }
}

Example 5 with TracerProvider

use of io.opentelemetry.api.trace.TracerProvider in project opentelemetry-java by open-telemetry.

the class SdkSpanBuilderTest method truncateLink.

@Test
void truncateLink() {
    int maxNumberOfLinks = 8;
    SpanLimits spanLimits = SpanLimits.builder().setMaxNumberOfLinks(maxNumberOfLinks).build();
    TracerProvider tracerProvider = SdkTracerProvider.builder().setSpanLimits(spanLimits).build();
    // Verify methods do not crash.
    SpanBuilder spanBuilder = tracerProvider.get("test").spanBuilder(SPAN_NAME);
    for (int i = 0; i < 2 * maxNumberOfLinks; i++) {
        spanBuilder.addLink(sampledSpanContext);
    }
    SdkSpan span = (SdkSpan) spanBuilder.startSpan();
    try {
        SpanData spanData = span.toSpanData();
        List<LinkData> links = spanData.getLinks();
        assertThat(links).hasSize(maxNumberOfLinks);
        for (int i = 0; i < maxNumberOfLinks; i++) {
            assertThat(links.get(i)).isEqualTo(LinkData.create(sampledSpanContext));
            assertThat(spanData.getTotalRecordedLinks()).isEqualTo(2 * maxNumberOfLinks);
        }
    } finally {
        span.end();
    }
}