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Avoid race conditions

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This commit is contained in:
Andrea Cavalli 2022-07-28 23:48:45 +02:00
parent a3ed443bad
commit 98444af89e
1 changed files with 11 additions and 12 deletions
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23
src/main/java/it/cavallium/dbengine/database/LLUtils.java
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@ -17,18 +17,11 @@ import io.netty5.util.Send;
import io.netty5.buffer.api.WritableComponent;
import io.netty5.buffer.api.internal.Statics;
import io.netty5.util.IllegalReferenceCountException;
import it.cavallium.dbengine.client.Hits;
import it.cavallium.dbengine.database.disk.LLIndexSearcher;
import it.cavallium.dbengine.database.disk.LLIndexSearchers;
import it.cavallium.dbengine.database.serialization.SerializationException;
import it.cavallium.dbengine.database.serialization.SerializationFunction;
import it.cavallium.dbengine.lucene.LuceneCloseable;
import it.cavallium.dbengine.lucene.LuceneUtils;
import it.cavallium.dbengine.lucene.RandomSortField;
import it.cavallium.dbengine.utils.SimpleResource;
import java.io.Closeable;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.time.Duration;
@ -61,7 +54,6 @@ import org.apache.lucene.document.StoredField;
import org.apache.lucene.document.StringField;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.Sort;
@ -727,21 +719,28 @@ public class LLUtils {
public static Disposable scheduleRepeated(Scheduler scheduler, Runnable action, Duration delay) {
var currentDisposable = new AtomicReference<Disposable>();
scheduleRepeatedInternal(scheduler, action, delay, currentDisposable);
return () -> currentDisposable.get().dispose();
var disposed = new AtomicBoolean(false);
scheduleRepeatedInternal(scheduler, action, delay, currentDisposable, disposed);
return () -> {
disposed.set(true);
currentDisposable.get().dispose();
};
}
private static void scheduleRepeatedInternal(Scheduler scheduler,
Runnable action,
Duration delay,
AtomicReference<Disposable> currentDisposable) {
AtomicReference<Disposable> currentDisposable,
AtomicBoolean disposed) {
if (disposed.get()) return;
currentDisposable.set(scheduler.schedule(() -> {
if (disposed.get()) return;
try {
action.run();
} catch (Throwable ex) {
logger.error(ex);
}
scheduleRepeatedInternal(scheduler, action, delay, currentDisposable);
scheduleRepeatedInternal(scheduler, action, delay, currentDisposable, disposed);
}, delay.toMillis(), TimeUnit.MILLISECONDS));
}