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/*
* Copyright 2015-present Open Networking Foundation
* Copyright © 2020 camunda services GmbH ([email protected])
*
* 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.atomix.utils.concurrent;
import java.lang.ref.WeakReference;
/**
* Atomix thread.
*
* The Atomix thread primarily serves to store a {@link ThreadContext} for the current thread.
* The context is stored in a {@link WeakReference} in order to allow the thread to be garbage
* collected.
*
*
There is no {@link ThreadContext} associated with the thread when it is first created. It is
* the responsibility of thread creators to {@link #setContext(ThreadContext) set} the thread
* context when appropriate.
*
* @author Jordan Halterman
*/
public class AtomixThread extends Thread {
private WeakReference context;
public AtomixThread(final Runnable target) {
super(target);
}
/**
* Returns the thread context.
*
* @return The thread {@link ThreadContext} or {@code null} if no context has been configured.
*/
public ThreadContext getContext() {
return context != null ? context.get() : null;
}
/**
* Sets the thread context.
*
* @param context The thread context.
*/
public void setContext(final ThreadContext context) {
this.context = new WeakReference<>(context);
}
}