io.micrometer.tracing.test.simple.SimpleSpanCustomizer Maven / Gradle / Ivy
/**
* Copyright 2022 the original author or 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
*
* https://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.micrometer.tracing.test.simple;
import io.micrometer.tracing.Span;
import io.micrometer.tracing.SpanCustomizer;
import io.micrometer.tracing.Tracer;
/**
* A test implementation of a span customizer.
*
* @author Marcin Grzejszczak
* @since 1.0.0
*/
public class SimpleSpanCustomizer implements SpanCustomizer {
private final SimpleSpan span;
private final Tracer tracer;
/**
* Creates a new instance of {@link SimpleSpanCustomizer}.
* @param span simple span
* @deprecated use {@link SimpleSpanCustomizer(SimpleTracer)}
*/
@Deprecated
public SimpleSpanCustomizer(SimpleSpan span) {
this.span = span;
this.tracer = Tracer.NOOP;
}
/**
* Creates a new instance of {@link SimpleSpanCustomizer}.
* @param tracer simple tracer
*/
public SimpleSpanCustomizer(SimpleTracer tracer) {
this.span = null;
this.tracer = tracer;
}
private Span currentSpan() {
Span currentSpan = this.tracer.currentSpan();
if (currentSpan == null) {
throw new IllegalStateException("Current span is null");
}
return currentSpan;
}
@Override
public SpanCustomizer name(String name) {
currentSpan().name(name);
return this;
}
@Override
public SpanCustomizer tag(String key, String value) {
currentSpan().tag(key, value);
return this;
}
@Override
public SpanCustomizer event(String value) {
currentSpan().event(value);
return this;
}
}