50 lines
1.5 KiB
Scala
50 lines
1.5 KiB
Scala
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package controllers
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import io.opentelemetry.api.OpenTelemetry
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import io.opentelemetry.api.trace.Tracer
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import java.util.concurrent.TimeUnit
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object Worker {
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val TRACER: Tracer =
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OpenTelemetry.getTracerProvider.get("io.opentelemetry.auto")
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def doWork(workTimeMillis: Long) = {
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val span = tracer().spanBuilder("work").startSpan()
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val scope = tracer().withSpan(span)
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try {
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if (span != null) {
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span.setAttribute("work-time", workTimeMillis)
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span.setAttribute("info", "interesting stuff")
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span.setAttribute("additionalInfo", "interesting stuff")
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}
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val doneTimestamp = System.nanoTime + TimeUnit.MILLISECONDS.toNanos(
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workTimeMillis
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)
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while ( {
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System.nanoTime < doneTimestamp
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}) {
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// busy-wait to simulate work
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}
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} finally {
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span.end()
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scope.close()
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}
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}
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}
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