| /** |
| * 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.atlas.repository.converters; |
| |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.TypeCategory; |
| import org.apache.atlas.model.typedef.AtlasEnumDef.AtlasEnumElementDef; |
| import org.apache.atlas.type.AtlasEnumType; |
| import org.apache.atlas.type.AtlasType; |
| import org.apache.atlas.type.AtlasTypeRegistry; |
| import org.apache.atlas.typesystem.types.EnumValue; |
| |
| import java.util.Map; |
| |
| |
| public class AtlasEnumFormatConverter extends AtlasAbstractFormatConverter { |
| public AtlasEnumFormatConverter(AtlasFormatConverters registry, AtlasTypeRegistry typeRegistry) { |
| super(registry, typeRegistry, TypeCategory.ENUM); |
| } |
| |
| @Override |
| public Object fromV1ToV2(Object v1Obj, AtlasType type, ConverterContext ctx) throws AtlasBaseException { |
| String ret = null; |
| |
| if (v1Obj == null || !(type instanceof AtlasEnumType)) { |
| return ret; |
| } |
| |
| Object v1Value = null; |
| |
| if (v1Obj instanceof EnumValue) { |
| EnumValue enumValue = (EnumValue)v1Obj; |
| |
| v1Value = enumValue.value; |
| |
| if (v1Value == null) { |
| v1Value = enumValue.ordinal; |
| } |
| } else if (v1Obj instanceof Map) { |
| Map mapValue = (Map)v1Obj; |
| |
| v1Value = mapValue.get("value"); |
| |
| if (v1Value == null) { |
| v1Value = mapValue.get("ordinal"); |
| } |
| } |
| |
| if (v1Value == null) { // could be 'value' or 'ordinal' |
| v1Value = v1Obj; |
| } |
| |
| AtlasEnumElementDef elementDef; |
| |
| if (v1Value instanceof Number) { |
| elementDef = ((AtlasEnumType)type).getEnumElementDef((Number) v1Value); |
| } else { |
| elementDef = ((AtlasEnumType)type).getEnumElementDef(v1Value.toString()); |
| } |
| |
| if (elementDef != null) { |
| ret = elementDef.getValue(); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public Object fromV2ToV1(Object v2Obj, AtlasType type, ConverterContext ctx) throws AtlasBaseException { |
| EnumValue ret = null; |
| |
| if (v2Obj == null || !(type instanceof AtlasEnumType)) { |
| return ret; |
| } |
| |
| AtlasEnumType enumType = (AtlasEnumType) type; |
| AtlasEnumElementDef elementDef = enumType.getEnumElementDef(v2Obj.toString()); |
| |
| if (elementDef != null) { |
| ret = new EnumValue(elementDef.getValue(), elementDef.getOrdinal()); |
| } |
| |
| return ret; |
| } |
| } |
| |