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wait for a spot in the queue when full

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Athou
2013-05-23 16:52:50 +02:00
parent e8953378bb
commit 89ffd89a31
1 changed files with 10 additions and 5 deletions
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15
src/main/java/com/commafeed/backend/feeds/FeedRefreshUpdater.java
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@@ -2,7 +2,8 @@ package com.commafeed.backend.feeds;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
@@ -59,13 +60,17 @@ public class FeedRefreshUpdater {
int threads = Math.max(settings.getDatabaseUpdateThreads(), 1);
log.info("Creating database pool with {} threads", threads);
pool = new ThreadPoolExecutor(threads, threads, 0,
TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(
TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(
100 * threads));
pool.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy() {
pool.setRejectedExecutionHandler(new RejectedExecutionHandler() {
@Override
public void rejectedExecution(Runnable r, ThreadPoolExecutor e) {
log.debug("Thread queue full, executing in own thread.");
super.rejectedExecution(r, e);
log.info("Thread queue full, waiting...");
try {
e.getQueue().put(r);
} catch (InterruptedException e1) {
log.error("Interrupted while waiting for queue.", e);
}
}
});
}