io.opentracing.util.ThreadLocalScopeManager Maven / Gradle / Ivy
/*
* Copyright 2016-2017 The OpenTracing 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.opentracing.util;
import io.opentracing.Scope;
import io.opentracing.ScopeManager;
import io.opentracing.Span;
/**
* A simple {@link ScopeManager} implementation built on top of Java's thread-local storage primitive.
*
* @see ThreadLocalScope
*/
public class ThreadLocalScopeManager implements ScopeManager {
final ThreadLocal tlsScope = new ThreadLocal();
@Override
public Scope activate(Span span, boolean finishOnClose) {
return new ThreadLocalScope(this, span, finishOnClose);
}
@Override
public Scope active() {
return tlsScope.get();
}
}
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