| |
| /** |
| * 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; |
| |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos.KeyValue; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.SCMVersionResponseProto; |
| |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Version response class. |
| */ |
| public class VersionResponse { |
| private final int version; |
| private final Map<String, String> values; |
| |
| /** |
| * Creates a version response class. |
| * @param version |
| * @param values |
| */ |
| public VersionResponse(int version, Map<String, String> values) { |
| this.version = version; |
| this.values = values; |
| } |
| |
| /** |
| * Creates a version Response class. |
| * @param version |
| */ |
| public VersionResponse(int version) { |
| this.version = version; |
| this.values = new HashMap<>(); |
| } |
| |
| /** |
| * Returns a new Builder. |
| * @return - Builder. |
| */ |
| public static Builder newBuilder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Returns this class from protobuf message. |
| * @param response - SCMVersionResponseProto |
| * @return VersionResponse |
| */ |
| public static VersionResponse getFromProtobuf(SCMVersionResponseProto |
| response) { |
| return new VersionResponse(response.getSoftwareVersion(), |
| response.getKeysList().stream() |
| .collect(Collectors.toMap(KeyValue::getKey, |
| KeyValue::getValue))); |
| } |
| |
| /** |
| * Adds a value to version Response. |
| * @param key - String |
| * @param value - String |
| */ |
| public void put(String key, String value) { |
| if (this.values.containsKey(key)) { |
| throw new IllegalArgumentException("Duplicate key in version response"); |
| } |
| values.put(key, value); |
| } |
| |
| /** |
| * Return a protobuf message. |
| * @return SCMVersionResponseProto. |
| */ |
| public SCMVersionResponseProto getProtobufMessage() { |
| |
| List<KeyValue> list = new LinkedList<>(); |
| for (Map.Entry<String, String> entry : values.entrySet()) { |
| list.add(KeyValue.newBuilder().setKey(entry.getKey()). |
| setValue(entry.getValue()).build()); |
| } |
| return |
| SCMVersionResponseProto.newBuilder() |
| .setSoftwareVersion(this.version) |
| .addAllKeys(list).build(); |
| } |
| |
| public String getValue(String key) { |
| return this.values.get(key); |
| } |
| |
| /** |
| * Builder class. |
| */ |
| public static class Builder { |
| private int version; |
| private Map<String, String> values; |
| |
| Builder() { |
| values = new HashMap<>(); |
| } |
| |
| /** |
| * Sets the version. |
| * @param ver - version |
| * @return Builder |
| */ |
| public Builder setVersion(int ver) { |
| this.version = ver; |
| return this; |
| } |
| |
| /** |
| * Adds a value to version Response. |
| * @param key - String |
| * @param value - String |
| */ |
| public Builder addValue(String key, String value) { |
| if (this.values.containsKey(key)) { |
| throw new IllegalArgumentException("Duplicate key in version response"); |
| } |
| values.put(key, value); |
| return this; |
| } |
| |
| /** |
| * Builds the version response. |
| * @return VersionResponse. |
| */ |
| public VersionResponse build() { |
| return new VersionResponse(this.version, this.values); |
| } |
| } |
| } |