/** * Loads all spans which are related to the set trace. * * @return a {@link List} containing {@link Span}s */ private List<Span> loadSpans() { if (spanService == null) { return Collections.emptyList(); } return new ArrayList<>(spanService.getSpans(traceId)); }
/** * {@inheritDoc} */ @Override public Collection<? extends Span> getSpans(long traceId) { // call service // note we can not go via the cache here as we are not sure that cache holds all spans // belonging to the trace (due to eviction and/or spans coming to the server from several // agents in different time) Collection<? extends Span> spans = service.getSpans(traceId); // cache results for (Span span : spans) { cache.put(span.getSpanIdent(), span); } // then return return spans; }
@Override public Span load(SpanIdent ident) throws Exception { // collect all from same trace as we expect them to be asked in same point of time // this way we don't do round-trips to only get one span // example: // - you ask for span id 1 and trace id 2 // - I load all spans with trace id 2, which might be few of them // - the spans not having id 1 I add to the cache manually // - i "load" the one with id 1, which will effectively add it also to the cache.. Collection<? extends Span> spans = service.getSpans(ident.getTraceId()); // add other spans from the trace to the cache and returned the one we tried to load if (CollectionUtils.isNotEmpty(spans)) { Span value = null; for (Span span : spans) { if (Objects.equals(ident, span.getSpanIdent())) { value = span; } else { cache.put(span.getSpanIdent(), span); } } // return asked one if (null != value) { return value; } } // if we can not locate, throw exception as per loading cache api throw new Exception("Span with ident " + ident + " can not be found."); } });
@Test public void buildTraceWithoutSdkSpans() { Span span01 = createServerSpan(null); Span span02 = createServerSpan(span01); Span span03 = createSdkSpan(span01); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(span02); invoc01.getNestedSequences().add(_invoc02); doReturn(Arrays.asList(span01, span02, span03)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(4)); assertThat(tree.getDataElement(), is(span01)); for (Object data : new Object[] { span01, span02, invoc01, _invoc02 }) { assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, data), is(not(nullValue()))); } assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, span03), is(nullValue())); verify(spanService).getSpans(1337L); verify(invocationService).getInvocationSequenceDetail(1337L); verifyNoMoreInteractions(spanService, invocationService); }
@Test public void buildWithNestedExceptions() { Span span01 = createServerSpan(null); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(null); invoc01.getNestedSequences().add(_invoc02); invoc01.setNestedExceptions(true); doReturn(Arrays.asList(span01)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(3)); assertThat(tree.hasNestedExceptions(), is(true)); assertThat(tree.hasNestedSqls(), is(false)); }
@Test public void buildWithNestedSQLs() { Span span01 = createServerSpan(null); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(null); invoc01.getNestedSequences().add(_invoc02); invoc01.setNestedSqlStatements(true); doReturn(Arrays.asList(span01)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(3)); assertThat(tree.hasNestedExceptions(), is(false)); assertThat(tree.hasNestedSqls(), is(true)); } }
@Test public void buildTraceManyMissingSpans() { Span span01 = createServerSpan(null); Span span02 = createServerSpan(span01); Span span03 = createClientSpan(span01); Span span04 = createServerSpan(span01); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(span02); InvocationSequenceData _invoc03 = createSequence(span03); InvocationSequenceData _invoc04 = createSequence(span04); invoc01.getNestedSequences().addAll(Arrays.asList(_invoc02, _invoc03, _invoc04)); doReturn(Arrays.asList(span01)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(8)); assertThat(tree.getDataElement(), is(span01)); for (Object data : new Object[] { span01, span02, span03, span04, invoc01, _invoc02, _invoc03, _invoc04 }) { assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, data), is(not(nullValue()))); } verify(spanService).getSpans(1337L); verify(invocationService).getInvocationSequenceDetail(1337L); verifyNoMoreInteractions(spanService, invocationService); }
@Test public void buildTraceWithMissingInvocationSequence() { Span span01 = createServerSpan(null); Span span02 = createServerSpan(span01); Span span03 = createClientSpan(span02); Span span04 = createServerSpan(span03); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(span02); InvocationSequenceData invoc03 = createSequence(span02); InvocationSequenceData _invoc04 = createSequence(span03); invoc01.getNestedSequences().add(_invoc02); invoc03.getNestedSequences().add(_invoc04); doReturn(Arrays.asList(span01, span02, span03, span04)).when(spanService).getSpans(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(4)); assertThat(tree.getDataElement(), is(span01)); assertThat(tree.getChildren(), contains(hasProperty("dataElement", is(span02)))); assertThat(tree.getChildren().get(0).getChildren(), contains(hasProperty("dataElement", is(span03)))); assertThat(tree.getChildren().get(0).getChildren().get(0).getChildren(), contains(hasProperty("dataElement", is(span04)))); assertThat(tree.getChildren().get(0).getChildren().get(0).getChildren().get(0).getChildren(), is(empty())); verify(spanService).getSpans(1337L); verify(invocationService).getInvocationSequenceDetail(1337L); verifyNoMoreInteractions(spanService, invocationService); }
@Test public void buildTrace() { Span span01 = createServerSpan(null); Span span02 = createServerSpan(span01); Span span03 = createClientSpan(span02); Span span04 = createServerSpan(span03); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(span02); InvocationSequenceData invoc03 = createSequence(span02); InvocationSequenceData _invoc04 = createSequence(span03); invoc01.getNestedSequences().add(_invoc02); invoc03.getNestedSequences().add(_invoc04); doReturn(Arrays.asList(span01, span02, span03, span04)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01, invoc03)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(8)); assertThat(tree.getDataElement(), is(span01)); for (Object data : new Object[] { span01, span02, span03, span04, invoc01, _invoc02, invoc03, _invoc04 }) { assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, data), is(not(nullValue()))); } verify(spanService).getSpans(1337L); verify(invocationService).getInvocationSequenceDetail(1337L); verifyNoMoreInteractions(spanService, invocationService); }
@Test(invocationCount = 5) public void buildWideTreeShuffeledSpanProvision() { Span span01 = createServerSpan(null); Span span02 = createServerSpan(span01); InvocationSequenceData invoc03 = createSequence(span01); // between span02 and span03 Span span03 = createClientSpan(span01); Span span04 = createServerSpan(span03); InvocationSequenceData invoc01 = createSequence(span02); InvocationSequenceData invoc02 = createSequence(span04); List<Span> list = Arrays.asList(span01, span02, span03, span04); Collections.shuffle(list); doReturn(list).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01, invoc02, invoc03)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(7)); assertThat(tree.getDataElement(), is(span01)); assertThat(tree.getChildren(), contains(hasProperty("dataElement", is(span02)), hasProperty("dataElement", is(invoc03)), hasProperty("dataElement", is(span03)))); assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, span02).getChildren(), contains(hasProperty("dataElement", is(invoc01)))); assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, span03).getChildren(), contains(hasProperty("dataElement", is(span04)))); assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, span04).getChildren(), contains(hasProperty("dataElement", is(invoc02)))); verify(spanService).getSpans(1337L); verify(invocationService).getInvocationSequenceDetail(1337L); verifyNoMoreInteractions(spanService, invocationService); }
@Test public void buildTraceOnlySpans() { Span span01 = createServerSpan(null); Span span02 = createServerSpan(span01); Span span03 = createClientSpan(span02); Span span04 = createServerSpan(span03); Span span05 = createSdkSpan(span02); InvocationSequenceData invoc01 = createSequence(span01); InvocationSequenceData _invoc02 = createSequence(span02); InvocationSequenceData invoc03 = createSequence(span02); InvocationSequenceData _invoc04 = createSequence(span03); invoc01.getNestedSequences().add(_invoc02); invoc03.getNestedSequences().add(_invoc04); doReturn(Arrays.asList(span01, span02, span03, span04, span05)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01, invoc03)).when(invocationService).getInvocationSequenceDetail(1337L); builder.setSpanService(spanService).setInvocationService(invocationService).setTraceId(1337L).setMode(Mode.ONLY_SPANS_WITH_SDK); InvocationTreeElement tree = builder.build(); Map<Object, InvocationTreeElement> lookupMap = InvocationTreeUtil.buildLookupMap(tree); assertThat(lookupMap.size(), is(5)); assertThat(tree.getDataElement(), is(span01)); for (Object data : new Object[] { span01, span02, span03, span04, span05 }) { assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, data), is(not(nullValue()))); } for (Object data : new Object[] { invoc01, _invoc02, invoc03, _invoc04 }) { assertThat(InvocationTreeUtil.lookupTreeElement(lookupMap, data), is(nullValue())); } verify(spanService).getSpans(1337L); verify(invocationService).getInvocationSequenceDetail(1337L); verifyNoMoreInteractions(spanService, invocationService); }
doReturn(Arrays.asList(span01, span02, span03, span04, span05)).when(spanService).getSpans(1337L); doReturn(Arrays.asList(invoc01, invoc03)).when(invocationService).getInvocationSequenceDetail(1337L);