zipkin2.v1.V1Annotation 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 zipkin2.Annotation;
import zipkin2.Endpoint;
import zipkin2.Span;
import zipkin2.internal.Nullable;
/**
* Like {@link zipkin2.Annotation}, except in v1 format the {@link Span#localEndpoint()} was
* repeated for each annotation.
*
* @deprecated new code should use {@link Annotation}.
*/
@Deprecated
public final class V1Annotation implements Comparable {
// exposed for conversion
public static V1Annotation create(long timestamp, String value, @Nullable Endpoint endpoint) {
return new V1Annotation(timestamp, value, endpoint);
}
/** @see Annotation#timestamp() */
public long timestamp() {
return timestamp;
}
/** @see Annotation#value() */
public String value() {
return value;
}
/**
* The host that reported this annotation or null if unknown.
*
* In v2 format, this is analogous to {@link Span#localEndpoint()}.
*/
@Nullable
public Endpoint endpoint() {
return endpoint;
}
final long timestamp;
final String value;
final Endpoint endpoint;
V1Annotation(long timestamp, String value, @Nullable Endpoint endpoint) {
this.timestamp = timestamp;
if (value == null) throw new NullPointerException("value == null");
this.value = value;
this.endpoint = endpoint;
}
// hashCode and equals implemented as legacy cassandra uses it in a naming convention
@Override
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof V1Annotation)) return false;
V1Annotation that = (V1Annotation) o;
return timestamp == that.timestamp
&& value.equals(that.value)
&& (endpoint == null ? that.endpoint == null : endpoint.equals(that.endpoint));
}
@Override
public int hashCode() {
int h = 1;
h *= 1000003;
h ^= (int) (h ^ ((timestamp >>> 32) ^ timestamp));
h *= 1000003;
h ^= value.hashCode();
h *= 1000003;
h ^= endpoint == null ? 0 : endpoint.hashCode();
return h;
}
/** Compares by {@link #timestamp()}, then {@link #value()}. */
@Override
public int compareTo(V1Annotation that) {
if (this == that) return 0;
int byTimestamp = timestamp < that.timestamp ? -1 : timestamp == that.timestamp ? 0 : 1;
if (byTimestamp != 0) return byTimestamp;
return value.compareTo(that.value);
}
}