| /* |
| * 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.commons.subscription.meta.consumer; |
| |
| import org.apache.iotdb.rpc.subscription.config.ConsumerConfig; |
| |
| import org.apache.tsfile.utils.PublicBAOS; |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.ByteBuffer; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| public class ConsumerMeta { |
| |
| private String consumerId; |
| private long creationTime; |
| private ConsumerConfig config; |
| |
| private ConsumerMeta() { |
| // Empty constructor |
| } |
| |
| public ConsumerMeta( |
| String consumerId, long creationTime, Map<String, String> consumerAttributes) { |
| this.consumerId = consumerId; |
| this.creationTime = creationTime; |
| this.config = new ConsumerConfig(consumerAttributes); |
| } |
| |
| public String getConsumerId() { |
| return consumerId; |
| } |
| |
| public ByteBuffer serialize() throws IOException { |
| PublicBAOS byteArrayOutputStream = new PublicBAOS(); |
| DataOutputStream outputStream = new DataOutputStream(byteArrayOutputStream); |
| serialize(outputStream); |
| return ByteBuffer.wrap(byteArrayOutputStream.getBuf(), 0, byteArrayOutputStream.size()); |
| } |
| |
| public void serialize(OutputStream outputStream) throws IOException { |
| ReadWriteIOUtils.write(consumerId, outputStream); |
| ReadWriteIOUtils.write(creationTime, outputStream); |
| |
| ReadWriteIOUtils.write(config.getAttribute().size(), outputStream); |
| for (Map.Entry<String, String> entry : config.getAttribute().entrySet()) { |
| ReadWriteIOUtils.write(entry.getKey(), outputStream); |
| ReadWriteIOUtils.write(entry.getValue(), outputStream); |
| } |
| } |
| |
| public static ConsumerMeta deserialize(InputStream inputStream) throws IOException { |
| final ConsumerMeta consumerMeta = new ConsumerMeta(); |
| |
| consumerMeta.consumerId = ReadWriteIOUtils.readString(inputStream); |
| consumerMeta.creationTime = ReadWriteIOUtils.readLong(inputStream); |
| |
| consumerMeta.config = new ConsumerConfig(new HashMap<>()); |
| int size = ReadWriteIOUtils.readInt(inputStream); |
| for (int i = 0; i < size; ++i) { |
| final String key = ReadWriteIOUtils.readString(inputStream); |
| final String value = ReadWriteIOUtils.readString(inputStream); |
| consumerMeta.config.getAttribute().put(key, value); |
| } |
| |
| return consumerMeta; |
| } |
| |
| public static ConsumerMeta deserialize(ByteBuffer byteBuffer) { |
| final ConsumerMeta consumerMeta = new ConsumerMeta(); |
| |
| consumerMeta.consumerId = ReadWriteIOUtils.readString(byteBuffer); |
| consumerMeta.creationTime = ReadWriteIOUtils.readLong(byteBuffer); |
| |
| consumerMeta.config = new ConsumerConfig(new HashMap<>()); |
| int size = ReadWriteIOUtils.readInt(byteBuffer); |
| for (int i = 0; i < size; ++i) { |
| final String key = ReadWriteIOUtils.readString(byteBuffer); |
| final String value = ReadWriteIOUtils.readString(byteBuffer); |
| consumerMeta.config.getAttribute().put(key, value); |
| } |
| |
| return consumerMeta; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| ConsumerMeta that = (ConsumerMeta) obj; |
| return Objects.equals(consumerId, that.consumerId) |
| && Objects.equals(creationTime, that.creationTime) |
| && Objects.equals(config, that.config); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(consumerId, creationTime, config); |
| } |
| |
| @Override |
| public String toString() { |
| return "ConsumerMeta{" |
| + "consumerID='" |
| + consumerId |
| + "', creationTime=" |
| + creationTime |
| + ", config=" |
| + config |
| + "}"; |
| } |
| } |