2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023 Nordix Foundation
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.cps.ncmp.api.impl.async;
23 import io.cloudevents.CloudEvent;
24 import io.cloudevents.kafka.impl.KafkaHeaders;
25 import lombok.extern.slf4j.Slf4j;
26 import org.springframework.context.annotation.Bean;
27 import org.springframework.context.annotation.Configuration;
28 import org.springframework.kafka.listener.adapter.RecordFilterStrategy;
31 * Data operation record filter strategy, which helps to filter the consumer records.
36 public class DataOperationRecordFilterStrategy {
39 * Filtering the consumer records based on the eventType header, It
40 * returns boolean, true means filter the consumer record and false
41 * means not filter the consumer record.
42 * @return boolean value.
45 public RecordFilterStrategy<String, CloudEvent> includeDataOperationEventsOnly() {
46 return consumedRecord -> {
47 final String eventTypeHeaderValue = KafkaHeaders.getParsedKafkaHeader(consumedRecord.headers(), "ce_type");
48 if (eventTypeHeaderValue == null) {
49 log.trace("No ce_type header found, possibly a legacy event (ignored)");
52 return !(eventTypeHeaderValue.contains("DataOperationEvent"));