io.questdb.mp.AbstractQueueConsumerJob Maven / Gradle / Ivy
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* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2020 QuestDB
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* Licensed under the Apache License, Version 2.0 (the "License");
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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package io.questdb.mp;
public abstract class AbstractQueueConsumerJob implements Job {
protected final RingQueue queue;
protected final Sequence subSeq;
public AbstractQueueConsumerJob(RingQueue queue, Sequence subSeq) {
this.queue = queue;
this.subSeq = subSeq;
}
@Override
public boolean run(int workerId) {
final long cursor = subSeq.next();
return cursor > -1 && doRun(workerId, cursor);
}
protected abstract boolean doRun(int workerId, long cursor);
}