| /* |
| * 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.iotdb.confignode.procedure.impl.subscription.consumer; |
| |
| import org.apache.iotdb.confignode.procedure.env.ConfigNodeProcedureEnv; |
| import org.apache.iotdb.confignode.procedure.impl.subscription.SubscriptionOperation; |
| import org.apache.iotdb.confignode.procedure.store.ProcedureType; |
| import org.apache.iotdb.confignode.rpc.thrift.TCloseConsumerReq; |
| import org.apache.iotdb.pipe.api.exception.PipeException; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Objects; |
| |
| public class DropConsumerProcedure extends AlterConsumerGroupProcedure { |
| |
| private TCloseConsumerReq dropConsumerReq; |
| |
| public DropConsumerProcedure() { |
| super(); |
| } |
| |
| public DropConsumerProcedure(TCloseConsumerReq dropConsumerReq) throws PipeException { |
| super(); |
| this.dropConsumerReq = dropConsumerReq; |
| } |
| |
| @Override |
| protected SubscriptionOperation getOperation() { |
| return SubscriptionOperation.DROP_CONSUMER; |
| } |
| |
| @Override |
| protected void validateAndGetOldAndNewMeta(ConfigNodeProcedureEnv env) { |
| subscriptionInfo.get().validateBeforeDroppingConsumer(dropConsumerReq); |
| |
| existingConsumerGroupMeta = |
| subscriptionInfo.get().getConsumerGroupMeta(dropConsumerReq.getConsumerGroupId()); |
| |
| updatedConsumerGroupMeta = existingConsumerGroupMeta.deepCopy(); |
| updatedConsumerGroupMeta.removeConsumer(dropConsumerReq.getConsumerId()); |
| } |
| |
| @Override |
| public void serialize(DataOutputStream stream) throws IOException { |
| stream.writeShort(ProcedureType.DROP_CONSUMER_PROCEDURE.getTypeCode()); |
| |
| super.serialize(stream); |
| |
| ReadWriteIOUtils.write(dropConsumerReq.getConsumerId(), stream); |
| ReadWriteIOUtils.write(dropConsumerReq.getConsumerGroupId(), stream); |
| } |
| |
| @Override |
| public void deserialize(ByteBuffer byteBuffer) { |
| // This readShort should return ALTER_CONSUMER_GROUP_PROCEDURE, and we ignore it. |
| ReadWriteIOUtils.readShort(byteBuffer); |
| |
| super.deserialize(byteBuffer); |
| |
| dropConsumerReq = |
| new TCloseConsumerReq() |
| .setConsumerId(ReadWriteIOUtils.readString(byteBuffer)) |
| .setConsumerGroupId(ReadWriteIOUtils.readString(byteBuffer)); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return super.equals(o) |
| && Objects.equals(dropConsumerReq, ((DropConsumerProcedure) o).dropConsumerReq); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(super.hashCode(), dropConsumerReq); |
| } |
| } |