runzhiwang commented on a change in pull request #298:
URL: https://github.com/apache/incubator-ratis/pull/298#discussion_r533936229
##########
File path:
ratis-examples/src/main/java/org/apache/ratis/examples/filestore/FileStoreStateMachine.java
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@@ -40,14 +41,18 @@
import org.apache.ratis.thirdparty.com.google.protobuf.ByteString;
import
org.apache.ratis.thirdparty.com.google.protobuf.InvalidProtocolBufferException;
import org.apache.ratis.util.FileUtils;
+import org.apache.ratis.util.JavaUtils;
import java.io.File;
import java.io.IOException;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
public class FileStoreStateMachine extends BaseStateMachine {
private final SimpleStateMachineStorage storage = new
SimpleStateMachineStorage();
+ private final ConcurrentMap<LogEntryProto, DataStream>
dataStreamToLogEntryMap = new ConcurrentHashMap<>();
Review comment:
Seems we only put entry in dataStreamToLogEntryMap, but never used.
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