| /* |
| * 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 org.apache.hadoop.hdds.protocol.DatanodeDetails; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.ReplicateContainerCommandProto; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.ReplicateContainerCommandProto |
| .Builder; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.SCMCommandProto; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type; |
| |
| import com.google.common.base.Preconditions; |
| |
| /** |
| * SCM command to request replication of a container. |
| */ |
| public class ReplicateContainerCommand |
| extends SCMCommand<ReplicateContainerCommandProto> { |
| |
| private final long containerID; |
| private final List<DatanodeDetails> sourceDatanodes; |
| |
| public ReplicateContainerCommand(long containerID, |
| List<DatanodeDetails> sourceDatanodes) { |
| super(); |
| this.containerID = containerID; |
| this.sourceDatanodes = sourceDatanodes; |
| } |
| |
| // Should be called only for protobuf conversion |
| public ReplicateContainerCommand(long containerID, |
| List<DatanodeDetails> sourceDatanodes, long id) { |
| super(id); |
| this.containerID = containerID; |
| this.sourceDatanodes = sourceDatanodes; |
| } |
| |
| @Override |
| public Type getType() { |
| return SCMCommandProto.Type.replicateContainerCommand; |
| } |
| |
| @Override |
| public ReplicateContainerCommandProto getProto() { |
| Builder builder = ReplicateContainerCommandProto.newBuilder() |
| .setCmdId(getId()) |
| .setContainerID(containerID); |
| for (DatanodeDetails dd : sourceDatanodes) { |
| builder.addSources(dd.getProtoBufMessage()); |
| } |
| return builder.build(); |
| } |
| |
| public static ReplicateContainerCommand getFromProtobuf( |
| ReplicateContainerCommandProto protoMessage) { |
| Preconditions.checkNotNull(protoMessage); |
| |
| List<DatanodeDetails> datanodeDetails = |
| protoMessage.getSourcesList() |
| .stream() |
| .map(DatanodeDetails::getFromProtoBuf) |
| .collect(Collectors.toList()); |
| |
| return new ReplicateContainerCommand(protoMessage.getContainerID(), |
| datanodeDetails, protoMessage.getCmdId()); |
| |
| } |
| |
| public long getContainerID() { |
| return containerID; |
| } |
| |
| public List<DatanodeDetails> getSourceDatanodes() { |
| return sourceDatanodes; |
| } |
| } |