001/* 002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * pierre 018 */ 019package org.nuxeo.runtime.avro; 020 021import org.apache.avro.Schema; 022 023/** 024 * The base class for any AvroMapper.<br> 025 * 026 * @since 10.2 027 */ 028public abstract class AvroMapper<D, M> { 029 030 protected static final String CANNOT_MAP_TO = "Cannot map value to "; 031 032 protected static final String CANNOT_MAP_FROM = "Cannot map from value "; 033 034 protected static final String LOGICAL_TYPE = "logicalType"; 035 036 protected final AvroService service; 037 038 protected AvroMapper(AvroService service) { 039 this.service = service; 040 } 041 042 public abstract Object fromAvro(Schema schema, M input); 043 044 public abstract M toAvro(Schema schema, D input); 045 046 protected String getLogicalType(Schema schema) { 047 return schema.getProp(LOGICAL_TYPE); 048 } 049 050}