2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.plugins.context.schema.avro;
23 import org.apache.avro.Schema;
24 import org.apache.avro.Schema.Type;
25 import org.onap.policy.apex.model.basicmodel.concepts.ApexRuntimeException;
26 import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
29 * The Class AvroNullableMapper handles Avro null mappings to Java null values.
31 * @author John Keeney (john.keeney@ericsson.com)
33 public class AvroNullableMapper extends AvroDirectObjectMapper {
34 // The wrapped mapper for nullables
35 private final AvroObjectMapper wrappedMapper;
40 * @param wrappedMapper the wrapped mapper
42 public AvroNullableMapper(final AvroObjectMapper wrappedMapper) {
43 this.wrappedMapper = wrappedMapper;
50 public Class<?> getJavaClass() {
51 return wrappedMapper.getJavaClass();
58 public void init(final AxKey userKey, final Type avroType) {
59 wrappedMapper.init(userKey, avroType);
66 public Object createNewInstance(final Schema avroSchema) {
67 return wrappedMapper.createNewInstance(avroSchema);
74 public Type getAvroType() {
75 return Schema.Type.UNION;
82 public Object mapFromAvro(final Object avroObject) {
83 if (avroObject == null) {
86 return wrappedMapper.mapFromAvro(avroObject);
94 public Object mapToAvro(final Object object) {
98 throw new ApexRuntimeException("Unions/Nullable is not supported in output event ... Coming soon!");