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Change user list to CopyOnWriteArrayList (#47)

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Prevents concurrent modification exceptions
This commit is contained in:
Matt
2020-07-18 17:25:24 -07:00
committed by GitHub
parent 1b7ece994a
commit dde5674ac9
1 changed files with 2 additions and 1 deletions
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3
photon-server/src/main/java/org/photonvision/server/SocketHandler.java
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@@ -24,6 +24,7 @@ import io.javalin.websocket.*;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.*;
import java.util.concurrent.CopyOnWriteArrayList;
import org.apache.commons.lang3.tuple.Pair;
import org.msgpack.jackson.dataformat.MessagePackFactory;
import org.photonvision.common.dataflow.DataChangeDestination;
@@ -38,7 +39,7 @@ import org.photonvision.vision.processes.PipelineManager;
public class SocketHandler {
private final Logger logger = new Logger(SocketHandler.class, LogGroup.WebServer);
private final List<WsContext> users = new ArrayList<>();
private final List<WsContext> users = new CopyOnWriteArrayList<>();
private final ObjectMapper objectMapper = new ObjectMapper(new MessagePackFactory());
private final DataChangeService dcService = DataChangeService.getInstance();