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[bluetooth.generic] Fix build #9115

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Nov 24, 2020
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledFuture;
Expand Down Expand Up @@ -183,7 +184,7 @@ private void updateThingChannels() {
}

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private CharacteristicHandler getCharacteristicHandler(BluetoothCharacteristic characteristic) {
return charHandlers.computeIfAbsent(characteristic, CharacteristicHandler::new);
return Objects.requireNonNull(charHandlers.computeIfAbsent(characteristic, CharacteristicHandler::new));
}

private boolean readCharacteristic(BluetoothCharacteristic characteristic) {
Expand Down