| /** |
| * 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.pulsar.client.impl.schema; |
| |
| import io.netty.buffer.ByteBuf; |
| import java.nio.ByteBuffer; |
| import java.time.Instant; |
| import org.apache.pulsar.common.schema.SchemaInfo; |
| import org.apache.pulsar.common.schema.SchemaType; |
| |
| /** |
| * A schema for `java.time.Instant`. |
| */ |
| public class InstantSchema extends AbstractSchema<Instant> { |
| |
| private static final InstantSchema INSTANCE; |
| private static final SchemaInfo SCHEMA_INFO; |
| |
| static { |
| SCHEMA_INFO = SchemaInfoImpl.builder() |
| .name("Instant") |
| .type(SchemaType.INSTANT) |
| .schema(new byte[0]).build(); |
| INSTANCE = new InstantSchema(); |
| } |
| |
| public static InstantSchema of() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public byte[] encode(Instant message) { |
| if (null == message) { |
| return null; |
| } |
| // Instant is accurate to nanoseconds and requires two value storage. |
| ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES + Integer.BYTES); |
| buffer.putLong(message.getEpochSecond()); |
| buffer.putInt(message.getNano()); |
| return buffer.array(); |
| } |
| |
| @Override |
| public Instant decode(byte[] bytes) { |
| if (null == bytes) { |
| return null; |
| } |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| long epochSecond = buffer.getLong(); |
| int nanos = buffer.getInt(); |
| return Instant.ofEpochSecond(epochSecond, nanos); |
| } |
| |
| @Override |
| public Instant decode(ByteBuf byteBuf) { |
| if (null == byteBuf) { |
| return null; |
| } |
| long epochSecond = byteBuf.readLong(); |
| int nanos = byteBuf.readInt(); |
| return Instant.ofEpochSecond(epochSecond, nanos); |
| } |
| |
| @Override |
| public SchemaInfo getSchemaInfo() { |
| return SCHEMA_INFO; |
| } |
| } |