[GitHub] [ozone] sodonnel commented on a diff in pull request #3345: HDDS-6586: EC: Implement the EC Reconstruction Command with necessary information

[GitBox <gi...@apache.org>]

sodonnel commented on code in PR #3345:
URL: https://github.com/apache/ozone/pull/3345#discussion_r863633552


##########
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/protocol/commands/ReconstructECContainersCommand.java:
##########
@@ -0,0 +1,139 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.apache.hadoop.ozone.protocol.commands;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import com.google.protobuf.ByteString;
+import org.apache.hadoop.hdds.client.ECReplicationConfig;
+import org.apache.hadoop.hdds.protocol.DatanodeDetails;
+import org.apache.hadoop.hdds.protocol.proto
+    .StorageContainerDatanodeProtocolProtos.ReconstructECContainersCommandProto;
+import org.apache.hadoop.hdds.protocol.proto
+    .StorageContainerDatanodeProtocolProtos.ReconstructECContainersCommandProto
+    .Builder;
+import org.apache.hadoop.hdds.protocol.proto
+    .StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type;
+
+import com.google.common.base.Preconditions;
+
+/**
+ * SCM command to request reconstruction of EC containers.
+ */
+public class ReconstructECContainersCommand
+    extends SCMCommand<ReconstructECContainersCommandProto> {
+
+  private final long containerID;
+  private final List<DatanodeDetails> sourceDatanodes;
+  private final List<DatanodeDetails> targetDatanodes;
+  private final byte[] missingContainerIndexes;

Review Comment:
   OK - probably not worth the effort to start moving classes around to just save a parameter in the method spec.



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