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.ecm.core.io.avro; 020 021import org.apache.avro.LogicalType; 022import org.apache.avro.LogicalTypes; 023import org.apache.avro.Schema; 024import org.apache.commons.lang3.NotImplementedException; 025import org.nuxeo.ecm.core.schema.types.ComplexType; 026import org.nuxeo.ecm.core.schema.types.ListType; 027import org.nuxeo.ecm.core.schema.types.Type; 028import org.nuxeo.ecm.core.schema.types.primitives.BinaryType; 029import org.nuxeo.ecm.core.schema.types.primitives.BooleanType; 030import org.nuxeo.ecm.core.schema.types.primitives.DateType; 031import org.nuxeo.ecm.core.schema.types.primitives.DoubleType; 032import org.nuxeo.ecm.core.schema.types.primitives.IntegerType; 033import org.nuxeo.ecm.core.schema.types.primitives.LongType; 034import org.nuxeo.ecm.core.schema.types.primitives.StringType; 035import org.nuxeo.runtime.avro.AvroSchemaFactory; 036import org.nuxeo.runtime.avro.AvroSchemaFactoryContext; 037 038/** 039 * @since 10.2 040 */ 041public class TypeSchemaFactory extends AvroSchemaFactory<Type> { 042 043 protected ComplexTypeSchemaFactory complexTypeFactory; 044 045 public TypeSchemaFactory(AvroSchemaFactoryContext context) { 046 super(context); 047 complexTypeFactory = new ComplexTypeSchemaFactory(context); 048 } 049 050 @Override 051 public Schema createSchema(Type input) { 052 if (input.isSimpleType()) { 053 if (input == IntegerType.INSTANCE) { 054 return Schema.create(org.apache.avro.Schema.Type.INT); 055 } else if (input == LongType.INSTANCE) { 056 return Schema.create(org.apache.avro.Schema.Type.LONG); 057 } else if (input == DoubleType.INSTANCE) { 058 return Schema.create(org.apache.avro.Schema.Type.DOUBLE); 059 } else if (input == StringType.INSTANCE) { 060 return Schema.create(org.apache.avro.Schema.Type.STRING); 061 } else if (input == BooleanType.INSTANCE) { 062 return Schema.create(org.apache.avro.Schema.Type.BOOLEAN); 063 } else if (input == BinaryType.INSTANCE) { 064 return Schema.create(org.apache.avro.Schema.Type.BYTES); 065 } else if (input == DateType.INSTANCE) { 066 return LogicalTypes.timestampMillis().addToSchema(Schema.create(org.apache.avro.Schema.Type.LONG)); 067 } else if (input.getSuperType() != null && input.getSuperType().isSimpleType()) { 068 return new LogicalType(getName(input)).addToSchema(createSchema(input.getSuperType())); 069 } 070 } else if (input.isListType()) { 071 Schema array = Schema.createArray(context.createSchema(((ListType) input).getFieldType())); 072 String logicalType = ((ListType) input).isArray() ? "array" : "list"; 073 new LogicalType(logicalType).addToSchema(array); 074 return array; 075 } else if (input.isComplexType()) { 076 return complexTypeFactory.createSchema((ComplexType) input); 077 } else if (input.isCompositeType()) { 078 throw new NotImplementedException("Composite types are not supported yet"); 079 } 080 throw new NotImplementedException("Cannot create Avro type schema for nuxeo type: " + input); 081 } 082 083 @Override 084 public String getName(Type input) { 085 return context.getService().encodeName(input.getName()); 086 } 087 088}