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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 China Mobile.
* Copyright (C) 2022 Wipro Limited.
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.kpi.dmaap;
import java.io.IOException;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api.MessageRouterPublisher;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.gson.JsonPrimitive;
import reactor.core.publisher.Flux;
/**
* Produces Notification on DMAAP events.
*/
public class NotificationProducer {
private static Logger logger = LoggerFactory.getLogger(NotificationProducer.class);
private MessageRouterPublisher messageRouterPublisher;
private MessageRouterPublishRequest messageRouterPublishRequest;
/**
* Parameterized constructor.
*/
public NotificationProducer(MessageRouterPublisher messageRouterPublisher, MessageRouterPublishRequest messageRouterPublishRequest) {
super();
this.messageRouterPublisher = messageRouterPublisher;
this.messageRouterPublishRequest = messageRouterPublishRequest;
}
/**
* sends notification to dmaap.
*/
public void sendNotification(String msg) throws IOException {
Flux.just(1, 2, 3)
.map(JsonPrimitive::new)
.transform(input -> messageRouterPublisher.put(messageRouterPublishRequest, input))
.subscribe(resp -> {
if (resp.successful()) {
logger.debug("Sent a batch of messages to the MR");
} else {
logger.warn("Message sending has failed: {}", resp.failReason());
}
},
ex -> {
logger.warn("An unexpected error while sending messages to DMaaP", ex);
});
}
}
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