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Adds SpanStore adapter and spec from the Scala project
Eventhough the conversion is arduous, there's at least temporary value in running the authoritative tests from the scala side of OpenZipkin.
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Adrian Cole
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Sep 23, 2015
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29 changes: 29 additions & 0 deletions
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zipkin-java-query/src/test/java/io/zipkin/query/InMemoryZipkinQuerySpanStoreTest.java
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| /** | ||
| * Copyright 2015 The OpenZipkin Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | ||
| * in compliance with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License | ||
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | ||
| * or implied. See the License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
| package io.zipkin.query; | ||
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| import com.twitter.zipkin.storage.SpanStore; | ||
| import com.twitter.zipkin.storage.SpanStoreSpec; | ||
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| public class InMemoryZipkinQuerySpanStoreTest extends SpanStoreSpec { | ||
| private ZipkinQuerySpanStoreAdapter<InMemoryZipkinQuery> mem; | ||
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| public SpanStore store() { | ||
| return mem; | ||
| } | ||
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| public void clear() { | ||
| mem = new ZipkinQuerySpanStoreAdapter<>(new InMemoryZipkinQuery()); | ||
| } | ||
| } |
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zipkin-java-query/src/test/java/io/zipkin/query/ZipkinQuerySpanStoreAdapter.java
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| /** | ||
| * Copyright 2015 The OpenZipkin Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | ||
| * in compliance with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License | ||
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | ||
| * or implied. See the License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
| package io.zipkin.query; | ||
|
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| import com.facebook.swift.codec.ThriftCodec; | ||
| import com.facebook.swift.codec.ThriftCodecManager; | ||
| import com.twitter.util.Future; | ||
| import com.twitter.zipkin.common.Span; | ||
| import com.twitter.zipkin.conversions.thrift; | ||
| import com.twitter.zipkin.storage.IndexedTraceId; | ||
| import com.twitter.zipkin.storage.SpanStore; | ||
| import com.twitter.zipkin.thriftscala.Span$; | ||
| import io.zipkin.Annotation; | ||
| import io.zipkin.Trace; | ||
| import io.zipkin.internal.Nullable; | ||
| import java.nio.ByteBuffer; | ||
| import java.nio.charset.Charset; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.function.Consumer; | ||
| import java.util.stream.Collectors; | ||
| import org.apache.thrift.protocol.TBinaryProtocol; | ||
| import org.apache.thrift.transport.TMemoryBuffer; | ||
| import scala.Option; | ||
| import scala.collection.Iterator; | ||
| import scala.collection.JavaConversions; | ||
| import scala.collection.Seq; | ||
| import scala.collection.immutable.Set; | ||
| import scala.runtime.BoxedUnit; | ||
|
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| import static java.util.Collections.emptyList; | ||
| import static java.util.Collections.emptyMap; | ||
| import static java.util.Collections.singletonList; | ||
| import static java.util.Collections.singletonMap; | ||
|
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| /** | ||
| * Adapts {@link ZipkinQuery} to a scala/scrooge {@link com.twitter.zipkin.storage.SpanStore} in | ||
| * order to test against its {@link com.twitter.zipkin.storage.SpanStoreSpec} for interoperability | ||
| * reasons. | ||
| */ | ||
| public final class ZipkinQuerySpanStoreAdapter<T extends ZipkinQuery & Consumer<List<io.zipkin.Span>>> extends SpanStore { | ||
| private static final ThriftCodec<io.zipkin.Span> spanCodec = new ThriftCodecManager().getCodec(io.zipkin.Span.class); | ||
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| private final T spanStore; | ||
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| public ZipkinQuerySpanStoreAdapter(T spanStore) { | ||
| this.spanStore = spanStore; | ||
| } | ||
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| @Override | ||
| public Future<Seq<Seq<Span>>> getSpansByTraceIds(Seq<Object> traceIds) { | ||
| final List<Long> input = new ArrayList<>(traceIds.size()); | ||
| for (Iterator<Object> i = traceIds.iterator(); i.hasNext(); input.add((Long) i.next())) ; | ||
| return Future.value( | ||
| JavaConversions.asScalaBuffer(spanStore.getTracesByIds(input, false).stream() | ||
| .map(t -> JavaConversions.asScalaBuffer( | ||
| t.spans().stream() | ||
| .map(ZipkinQuerySpanStoreAdapter::convert) | ||
| .filter(s -> s != null) | ||
| .collect(Collectors.toList())) | ||
| ).collect(Collectors.toList()))); | ||
| } | ||
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| @Override | ||
| public Future<Seq<IndexedTraceId>> getTraceIdsByName(String serviceName, Option<String> spanName, long endTs, int limit) { | ||
| QueryRequest request = QueryRequest.builder() | ||
| .serviceName(serviceName) | ||
| .spanName(spanName.isDefined() ? spanName.get() : null) | ||
| .endTs(endTs) | ||
| .limit(limit) | ||
| .build(); | ||
| return indexedTraceIdFuture(spanStore.getTraces(request)); | ||
| } | ||
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| @Override | ||
| public Future<Seq<IndexedTraceId>> getTraceIdsByAnnotation(String serviceName, String annotation, Option<ByteBuffer> value, long endTs, int limit) { | ||
| QueryRequest request = QueryRequest.builder() | ||
| .serviceName(serviceName) | ||
| .annotations(value.isEmpty() ? singletonList(annotation) : emptyList()) | ||
| .binaryAnnotations(value.isDefined() ? singletonMap(annotation, new String(value.get().array(), Charset.forName("UTF-8"))) : emptyMap()) | ||
| .endTs(endTs) | ||
| .limit(limit) | ||
| .build(); | ||
| return indexedTraceIdFuture(spanStore.getTraces(request)); | ||
| } | ||
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| @Override | ||
| public Future<Set<String>> getAllServiceNames() { | ||
| return Future.value(JavaConversions.asScalaSet(spanStore.getServiceNames()).toSet()); | ||
| } | ||
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| @Override | ||
| public Future<Set<String>> getSpanNames(String service) { | ||
| return Future.value(JavaConversions.asScalaSet(spanStore.getSpanNames(service)).toSet()); | ||
| } | ||
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| @Override | ||
| public Future<BoxedUnit> apply(Seq<Span> input) { | ||
| List<io.zipkin.Span> spans = JavaConversions.asJavaCollection(input).stream() | ||
| .map(ZipkinQuerySpanStoreAdapter::invert) | ||
| .filter(s -> s != null) | ||
| .collect(Collectors.toList()); | ||
| spanStore.accept(spans); | ||
| return Future.Unit(); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| } | ||
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| static Future<Seq<IndexedTraceId>> indexedTraceIdFuture(List<Trace> matchingSpans) { | ||
| return Future.value(JavaConversions.asScalaBuffer(matchingSpans.stream().map(trace -> { | ||
| long traceId = trace.spans().get(0).traceId(); | ||
| long maxTimestamp = trace.spans().stream() | ||
| .map(io.zipkin.Span::annotations).flatMap(List::stream) | ||
| .mapToLong(Annotation::timestamp).max().getAsLong(); | ||
| return IndexedTraceId.apply(traceId, maxTimestamp); | ||
| }).collect(Collectors.toList()))); | ||
| } | ||
|
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| @Nullable | ||
| static Span convert(io.zipkin.Span input) { | ||
| try { | ||
| TMemoryBuffer transport = new TMemoryBuffer(0); | ||
| TBinaryProtocol protocol = new TBinaryProtocol(transport); | ||
| spanCodec.write(input, protocol); | ||
| com.twitter.zipkin.thriftscala.Span scroogeThrift = Span$.MODULE$.decode(protocol); | ||
| return new thrift.WrappedSpan(scroogeThrift).toSpan(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| return null; | ||
| } | ||
| } | ||
|
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| @Nullable | ||
| static io.zipkin.Span invert(Span input) { | ||
| try { | ||
| TMemoryBuffer transport = new TMemoryBuffer(0); | ||
| TBinaryProtocol protocol = new TBinaryProtocol(transport); | ||
| Span$.MODULE$.encode(new thrift.ThriftSpan(input).toThrift(), protocol); | ||
| return spanCodec.read(protocol); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| return null; | ||
| } | ||
| } | ||
| } |