/** * 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.control; import org.apache.drill.exec.proto.BitControl.BitControlHandshake; import org.apache.drill.exec.proto.BitControl.BitStatus; import org.apache.drill.exec.proto.BitControl.CustomMessage; import org.apache.drill.exec.proto.BitControl.FragmentStatus; import org.apache.drill.exec.proto.BitControl.RpcType; import org.apache.drill.exec.proto.ExecProtos.FragmentHandle; import org.apache.drill.exec.proto.GeneralRPCProtos.Ack; import org.apache.drill.exec.proto.UserBitShared.QueryProfile; import org.apache.drill.exec.proto.UserBitShared.SaslMessage; import org.apache.drill.exec.rpc.RpcException; import com.google.protobuf.MessageLite; public class DefaultInstanceHandler { static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(DefaultInstanceHandler.class); public static MessageLite getResponseDefaultInstance(int rpcType) throws RpcException { switch (rpcType) { case RpcType.ACK_VALUE: return Ack.getDefaultInstance(); case RpcType.HANDSHAKE_VALUE: return BitControlHandshake.getDefaultInstance(); case RpcType.RESP_FRAGMENT_HANDLE_VALUE: return FragmentHandle.getDefaultInstance(); case RpcType.RESP_FRAGMENT_STATUS_VALUE: return FragmentStatus.getDefaultInstance(); case RpcType.RESP_BIT_STATUS_VALUE: return BitStatus.getDefaultInstance(); case RpcType.RESP_QUERY_STATUS_VALUE: return QueryProfile.getDefaultInstance(); case RpcType.RESP_CUSTOM_VALUE: return CustomMessage.getDefaultInstance(); case RpcType.SASL_MESSAGE_VALUE: return SaslMessage.getDefaultInstance(); default: throw new UnsupportedOperationException(); } } }