| /* |
| * 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.samza.serializers; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.samza.SamzaException; |
| import org.apache.samza.checkpoint.CheckpointV2; |
| import org.apache.samza.serializers.model.SamzaObjectMapper; |
| |
| |
| /** |
| * The {@link Serde} for {@link CheckpointV2} which includes {@link org.apache.samza.checkpoint.CheckpointId}s, |
| * state checkpoint markers and the input {@link org.apache.samza.system.SystemStreamPartition} offsets. |
| * |
| * The overall payload is serde'd as JSON using {@link SamzaObjectMapper}. Since the Samza classes cannot be directly |
| * serialized by Jackson using {@link org.apache.samza.serializers.model.JsonCheckpointV2Mixin}. |
| */ |
| public class CheckpointV2Serde implements Serde<CheckpointV2> { |
| private static final ObjectMapper OBJECT_MAPPER = SamzaObjectMapper.getObjectMapper(); |
| |
| public CheckpointV2Serde() { } |
| |
| @Override |
| public CheckpointV2 fromBytes(byte[] bytes) { |
| try { |
| return OBJECT_MAPPER.readValue(bytes, CheckpointV2.class); |
| } catch (Exception e) { |
| throw new SamzaException(String.format("Exception while deserializing checkpoint: %s", new String(bytes)), e); |
| } |
| } |
| |
| @Override |
| public byte[] toBytes(CheckpointV2 checkpoint) { |
| try { |
| return OBJECT_MAPPER.writeValueAsBytes(checkpoint); |
| } catch (Exception e) { |
| throw new SamzaException(String.format("Exception while serializing checkpoint: %s", checkpoint.toString()), e); |
| } |
| } |
| } |