Alawn/Chronicle-Map
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tidy.

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This commit is contained in:
Ivan Rakov
2021-06-16 19:25:46 +03:00
parent d442aca7a8
commit 9a9b33b6cf
2 changed files with 32 additions and 18 deletions
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src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
+26 -17
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@@ -39,6 +39,8 @@ import net.openhft.chronicle.hash.serialization.impl.TypedMarshallableReaderWrit
import net.openhft.chronicle.map.internal.AnalyticsHolder;
import net.openhft.chronicle.map.replication.MapRemoteOperations;
import net.openhft.chronicle.set.ChronicleSetBuilder;
import net.openhft.chronicle.threads.Pauser;
import net.openhft.chronicle.threads.TimingPauser;
import net.openhft.chronicle.values.ValueModel;
import net.openhft.chronicle.values.Values;
import net.openhft.chronicle.wire.Marshallable;
@@ -58,6 +60,7 @@ import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
@@ -1703,25 +1706,31 @@ public final class ChronicleMapBuilder<K, V> implements
final AtomicBoolean newFile = new AtomicBoolean();
final FileChannel fileChannel = raf.getChannel();
while (true) {
if (raf.length() == 0) {
final boolean locked = FileLockUtil.tryRunExclusively(canonicalFile, fileChannel, () -> {
if (raf.length() == 0) {
map.set(newMap());
headerBuffer.set(writeHeader(fileChannel, map.get()));
newFile.set(true);
} else {
newFile.set(false);
}
});
TimingPauser pauser = Pauser.balanced();
if (locked)
break;
else
Jvm.pause(10);
}
else
while (raf.length() == 0) {
final boolean locked = FileLockUtil.tryRunExclusively(canonicalFile, fileChannel, () -> {
if (raf.length() == 0) {
map.set(newMap());
headerBuffer.set(writeHeader(fileChannel, map.get()));
newFile.set(true);
} else {
newFile.set(false);
}
});
if (locked)
break;
else {
try {
pauser.pause(10, TimeUnit.SECONDS);
}
catch (TimeoutException e) {
LOG.warn("Failed to write header: can't acquire exclusive file lock on empty file for 10 seconds", e);
Jvm.rethrow(e);
}
}
}
if (newFile.get()) {