zipkin2.v1.V1Span Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 zipkin2.v1;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import zipkin2.Endpoint;
import zipkin2.Span;
import zipkin2.internal.Nullable;
import static java.util.Collections.unmodifiableList;
import static zipkin2.internal.HexCodec.lowerHexToUnsignedLong;
/**
* V1 spans are different than v2 especially as annotations repeat. Support is available to help
* migrate old code or allow for parsing older data formats.
*
* @deprecated new code should use {@link Span}.
*/
@Deprecated
public final class V1Span {
static final Endpoint EMPTY_ENDPOINT = Endpoint.newBuilder().build();
/** When non-zero, the trace containing this span uses 128-bit trace identifiers. */
public long traceIdHigh() {
return traceIdHigh;
}
/** lower 64-bits of the {@link Span#traceId()} */
public long traceId() {
return traceId;
}
/** Same as {@link zipkin2.Span#id()} except packed into a long. Zero means root span. */
public long id() {
return id;
}
/** Same as {@link zipkin2.Span#name()} */
public String name() {
return name;
}
/** The parent's {@link #id()} or zero if this the root span in a trace. */
public long parentId() {
return parentId;
}
/** Same as {@link Span#timestampAsLong()} */
public long timestamp() {
return timestamp;
}
/** Same as {@link Span#durationAsLong()} */
public long duration() {
return duration;
}
/**
* Same as {@link Span#annotations()}, except each may be associated with {@link
* Span#localEndpoint()}
*/
public List annotations() {
return annotations;
}
/**
* {@link Span#tags()} are allocated to binary annotations with a {@link
* V1BinaryAnnotation#stringValue()}. {@link Span#remoteEndpoint()} to those without.
*/
public List binaryAnnotations() {
return binaryAnnotations;
}
/** Same as {@link Span#debug()} */
public Boolean debug() {
return debug;
}
/** Returns the distinct {@link Endpoint#serviceName() service names} that logged to this span. */
public Set serviceNames() {
Set result = new LinkedHashSet<>();
for (V1Annotation a : annotations) {
if (a.endpoint == null) continue;
if (a.endpoint.serviceName() == null) continue;
result.add(a.endpoint.serviceName());
}
for (V1BinaryAnnotation a : binaryAnnotations) {
if (a.endpoint == null) continue;
if (a.endpoint.serviceName() == null) continue;
result.add(a.endpoint.serviceName());
}
return result;
}
final long traceIdHigh, traceId, id;
final String name;
final long parentId, timestamp, duration;
final List annotations;
final List binaryAnnotations;
final Boolean debug;
V1Span(Builder builder) {
if (builder.traceId == 0L) throw new IllegalArgumentException("traceId == 0");
if (builder.id == 0L) throw new IllegalArgumentException("id == 0");
this.traceId = builder.traceId;
this.traceIdHigh = builder.traceIdHigh;
this.name = builder.name;
this.id = builder.id;
this.parentId = builder.parentId;
this.timestamp = builder.timestamp;
this.duration = builder.duration;
this.annotations = sortedList(builder.annotations);
this.binaryAnnotations = sortedList(builder.binaryAnnotations);
this.debug = builder.debug;
}
public static Builder newBuilder() {
return new Builder();
}
public static final class Builder {
// ID accessors are here to help organize builders by their identifiers
/** @see V1Span#traceIdHigh() */
public long traceIdHigh() {
return traceIdHigh;
}
/** @see V1Span#traceId() */
public long traceId() {
return traceId;
}
/** @see V1Span#id() */
public long id() {
return id;
}
long traceIdHigh, traceId, parentId, id;
String name;
long timestamp, duration;
ArrayList annotations;
ArrayList binaryAnnotations;
Boolean debug;
Builder() {
}
public Builder clear() {
traceId = traceIdHigh = id = 0;
name = null;
parentId = timestamp = duration = 0;
if (annotations != null) annotations.clear();
if (binaryAnnotations != null) binaryAnnotations.clear();
debug = null;
return this;
}
/** Same as {@link Span.Builder#traceId(String)} */
public Builder traceId(String traceId) {
if (traceId == null) throw new NullPointerException("traceId == null");
if (traceId.length() == 32) {
traceIdHigh = lowerHexToUnsignedLong(traceId, 0);
}
this.traceId = lowerHexToUnsignedLong(traceId);
return this;
}
/** @see V1Span#traceId() */
public Builder traceId(long traceId) {
this.traceId = traceId;
return this;
}
/** @see V1Span#traceIdHigh() */
public Builder traceIdHigh(long traceIdHigh) {
this.traceIdHigh = traceIdHigh;
return this;
}
/** @see V1Span#id() */
public Builder id(long id) {
this.id = id;
return this;
}
/** Same as {@link Span.Builder#id(String)} */
public Builder id(String id) {
if (id == null) throw new NullPointerException("id == null");
this.id = lowerHexToUnsignedLong(id);
return this;
}
/** Same as {@link Span.Builder#parentId(String)} */
public Builder parentId(String parentId) {
this.parentId = parentId != null ? lowerHexToUnsignedLong(parentId) : 0L;
return this;
}
/** @see V1Span#parentId() */
public Builder parentId(long parentId) {
this.parentId = parentId;
return this;
}
/** @see V1Span#name() */
public Builder name(String name) {
this.name = name == null || name.isEmpty() ? null : name.toLowerCase(Locale.ROOT);
return this;
}
/** @see V1Span#timestamp() */
public Builder timestamp(long timestamp) {
this.timestamp = timestamp;
return this;
}
/** @see V1Span#duration() */
public Builder duration(long duration) {
this.duration = duration;
return this;
}
/** @see V1Span#annotations() */
public Builder addAnnotation(long timestamp, String value, @Nullable Endpoint endpoint) {
if (annotations == null) annotations = new ArrayList<>(4);
if (EMPTY_ENDPOINT.equals(endpoint)) endpoint = null;
annotations.add(new V1Annotation(timestamp, value, endpoint));
return this;
}
/** Creates an address annotation, which is the same as {@link Span#remoteEndpoint()} */
public Builder addBinaryAnnotation(String address, Endpoint endpoint) {
// Ignore empty endpoints rather than crashing v1 parsers on bad address data
if (endpoint == null || EMPTY_ENDPOINT.equals(endpoint)) return this;
if (binaryAnnotations == null) binaryAnnotations = new ArrayList<>(4);
binaryAnnotations.add(new V1BinaryAnnotation(address, null, endpoint));
return this;
}
/**
* Creates a tag annotation, which is the same as {@link Span#tags()} except duplicating the
* endpoint.
*
* A key of "lc" and empty value substitutes for {@link Span#localEndpoint()}.
*/
public Builder addBinaryAnnotation(String key, String value, Endpoint endpoint) {
if (value == null) throw new NullPointerException("value == null");
if (EMPTY_ENDPOINT.equals(endpoint)) endpoint = null;
if (binaryAnnotations == null) binaryAnnotations = new ArrayList<>(4);
binaryAnnotations.add(new V1BinaryAnnotation(key, value, endpoint));
return this;
}
/** @see V1Span#debug() */
public Builder debug(@Nullable Boolean debug) {
this.debug = debug;
return this;
}
public V1Span build() {
return new V1Span(this);
}
}
@Override
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof V1Span)) return false;
V1Span that = (V1Span) o;
return traceIdHigh == that.traceIdHigh
&& traceId == that.traceId
&& ((name == null) ? (that.name == null) : name.equals(that.name))
&& id == that.id
&& parentId == that.parentId
&& timestamp == that.timestamp
&& duration == that.duration
&& annotations.equals(that.annotations)
&& binaryAnnotations.equals(that.binaryAnnotations)
&& ((debug == null) ? (that.debug == null) : debug.equals(that.debug));
}
@Override
public int hashCode() {
int h = 1;
h *= 1000003;
h ^= (int) (h ^ ((traceIdHigh >>> 32) ^ traceIdHigh));
h *= 1000003;
h ^= (int) (h ^ ((traceId >>> 32) ^ traceId));
h *= 1000003;
h ^= name == null ? 0 : name.hashCode();
h *= 1000003;
h ^= (int) (h ^ ((id >>> 32) ^ id));
h *= 1000003;
h ^= (int) (h ^ ((parentId >>> 32) ^ parentId));
h *= 1000003;
h ^= (int) (h ^ ((timestamp >>> 32) ^ timestamp));
h *= 1000003;
h ^= (int) (h ^ ((duration >>> 32) ^ duration));
h *= 1000003;
h ^= annotations.hashCode();
h *= 1000003;
h ^= binaryAnnotations.hashCode();
h *= 1000003;
h ^= debug == null ? 0 : debug.hashCode();
return h;
}
static > List sortedList(List input) {
if (input == null) return Collections.emptyList();
Collections.sort(input);
return unmodifiableList(new ArrayList<>(input));
}
}