| /* |
| * 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.drill.exec.rpc.user; |
| |
| import java.lang.management.ManagementFactory; |
| |
| import org.apache.drill.common.Version; |
| import org.apache.drill.common.util.DrillVersionInfo; |
| import org.apache.drill.exec.proto.UserProtos.RpcEndpointInfos; |
| |
| import com.google.common.base.Preconditions; |
| |
| /** |
| * Utility class for User RPC |
| * |
| */ |
| public final class UserRpcUtils { |
| private UserRpcUtils() {} |
| |
| /* |
| * Template for the endpoint infos. |
| * |
| * It speeds up things not to check application JMX for |
| * each connection. |
| */ |
| private static final RpcEndpointInfos INFOS_TEMPLATE = |
| RpcEndpointInfos.newBuilder() |
| .setApplication(ManagementFactory.getRuntimeMXBean().getName()) |
| .setVersion(DrillVersionInfo.getVersion()) |
| .setMajorVersion(DrillVersionInfo.getMajorVersion()) |
| .setMinorVersion(DrillVersionInfo.getMinorVersion()) |
| .setPatchVersion(DrillVersionInfo.getPatchVersion()) |
| .setBuildNumber(DrillVersionInfo.getBuildNumber()) |
| .setVersionQualifier(DrillVersionInfo.getQualifier()) |
| .buildPartial(); |
| |
| /** |
| * Returns a {@code RpcEndpointInfos} instance |
| * |
| * The instance is populated based on Drill version informations |
| * from the classpath and runtime information for the application |
| * name. |
| * |
| * @param name the endpoint name. |
| * @return a {@code RpcEndpointInfos} instance |
| * @throws NullPointerException if name is null |
| */ |
| public static RpcEndpointInfos getRpcEndpointInfos(String name) { |
| RpcEndpointInfos infos = RpcEndpointInfos.newBuilder(INFOS_TEMPLATE) |
| .setName(Preconditions.checkNotNull(name)) |
| .build(); |
| |
| return infos; |
| } |
| |
| /** |
| * Get the version from a {@code RpcEndpointInfos} instance |
| */ |
| public static Version getVersion(RpcEndpointInfos infos) { |
| return new Version( |
| infos.getVersion(), |
| infos.getMajorVersion(), |
| infos.getMinorVersion(), |
| infos.getPatchVersion(), |
| infos.getBuildNumber(), |
| infos.getVersionQualifier()); |
| } |
| } |