org.bitcoinj.utils.ContextPropagatingThreadFactory Maven / Gradle / Ivy
/*
* Copyright by 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
*
* 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 org.bitcoinj.utils;
import com.google.common.base.*;
import org.bitcoinj.core.*;
import org.slf4j.*;
import java.util.concurrent.*;
/**
* A {@link java.util.concurrent.ThreadFactory} that propagates a {@link org.bitcoinj.core.Context} from the creating
* thread into the new thread. This factory creates daemon threads.
*/
public class ContextPropagatingThreadFactory implements ThreadFactory {
private static final Logger log = LoggerFactory.getLogger(ContextPropagatingThreadFactory.class);
private final String name;
private final int priority;
public ContextPropagatingThreadFactory(String name, int priority) {
this.name = name;
this.priority = priority;
}
public ContextPropagatingThreadFactory(String name) {
this(name, Thread.NORM_PRIORITY);
}
@Override
public Thread newThread(final Runnable r) {
final Context context = Context.get();
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
try {
Context.propagate(context);
r.run();
} catch (Exception e) {
log.error("Exception in thread", e);
Throwables.propagate(e);
}
}
}, name);
thread.setPriority(priority);
thread.setDaemon(true);
Thread.UncaughtExceptionHandler handler = Threading.uncaughtExceptionHandler;
if (handler != null)
thread.setUncaughtExceptionHandler(handler);
return thread;
}
}
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