/** * 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.flume.serialization; import java.io.OutputStream; import org.apache.flume.Context; import org.apache.flume.annotations.InterfaceAudience; import org.apache.flume.annotations.InterfaceStability; /** * <p/>A class that is able to both serialize and deserialize events. * <p/>Implementing this interface does not simply mean that a class has both * serialization and deserialization capability. By implementing this * interface, implementations guarantee that they can convert a serialized * event back to a deserialized event, and back to a serialized event again * without any data loss. * <p/>That guarantee allows Flume to "replay" partial file writes and restore * output files that may have been damaged in a system crash. At the time of * this writing, support for this functionality is still lacking. */ @InterfaceAudience.LimitedPrivate("future public api") @InterfaceStability.Unstable public interface EventSerDe extends EventSerializer, EventDeserializer { /** * Knows how to construct this serde.<br/> * <b>Note: Implementations MUST provide a public a no-arg constructor.</b> */ public interface Builder { public EventSerDe build(Context context, ResettableInputStream in, OutputStream out); } }