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The official Couchbase JVM Core IO Library
/*
* Copyright (c) 2023 Couchbase, Inc.
*
* 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 com.couchbase.client.core.env;
import com.couchbase.client.core.annotation.Stability;
import com.couchbase.client.core.protostellar.ProtostellarStatsCollector;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinWorkerThread;
import java.util.concurrent.atomic.AtomicInteger;
@Stability.Internal
public class CouchbaseForkPoolThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
// JVMCBC-1187: Temporary performance-related code that will be removed pre-GA.
public static ProtostellarStatsCollector collector;
static class CouchbaseThread extends ForkJoinWorkerThread {
public CouchbaseThread(ForkJoinPool pool) {
super(pool);
}
}
private final String namePrefix;
private final AtomicInteger threadNumber = new AtomicInteger();
public CouchbaseForkPoolThreadFactory(String namePrefix) {
this.namePrefix = namePrefix;
}
@Override
public ForkJoinWorkerThread newThread(ForkJoinPool pool) {
CouchbaseThread t = new CouchbaseThread(pool);
t.setName(namePrefix + threadNumber.getAndIncrement());
t.setDaemon(true);
// logger.info("Created thread {}, currently {} threads in pool, {} running", t.getName(), pool.getActiveThreadCount(), pool.getRunningThreadCount());
if (collector != null) {
collector.currentMaxThreadCount(pool.getActiveThreadCount());
}
return t;
}
}