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/*
* Copyright © 2019 Bell Canada
*
* 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.
*/
package org.onap.ccsdk.cds.sdclistener.client;
import org.onap.ccsdk.cds.sdclistener.SdcListenerConfiguration;
import org.onap.ccsdk.cds.sdclistener.SdcListenerNotificationCallback;
import org.onap.ccsdk.cds.sdclistener.dto.SdcListenerDto;
import org.onap.ccsdk.cds.sdclistener.exceptions.SdcListenerException;
import org.onap.sdc.api.IDistributionClient;
import org.onap.sdc.api.results.IDistributionClientResult;
import org.onap.sdc.impl.DistributionClientFactory;
import org.onap.sdc.utils.DistributionActionResultEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.event.EventListener;
import org.springframework.stereotype.Component;
import java.util.Optional;
@Component
@ComponentScan("org.onap.ccsdk.cds.cdssdclistener.dto")
public class SdcListenerClient {
private static Logger LOG = LoggerFactory.getLogger(SdcListenerClient.class);
@Autowired
private SdcListenerConfiguration configuration;
@Autowired
private SdcListenerNotificationCallback notification;
@Autowired
private SdcListenerDto listenerDto;
private IDistributionClient distributionClient;
/**
* This method initializes the SDC Distribution client.
*/
@EventListener(ApplicationReadyEvent.class)
public void initSdcClient() throws SdcListenerException {
LOG.info("Initialize the SDC distribution client");
distributionClient = Optional.of(DistributionClientFactory.createDistributionClient())
.orElseThrow(() -> new SdcListenerException("Could not able to create SDC Distribution client"));
listenerDto.setManagedChannelForGrpc();
listenerDto.setDistributionClient(distributionClient);
IDistributionClientResult result = distributionClient.init(configuration, notification);
startSdcClientBasedOnTheResult(result);
}
private void startSdcClientBasedOnTheResult(IDistributionClientResult result) throws SdcListenerException {
if (!result.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
throw new SdcListenerException(
"SDC distribution client init failed with reason:" + result.getDistributionMessageResult());
}
LOG.info("Initialization of the SDC distribution client is complete");
// Start the client.
result = this.distributionClient.start();
if (!result.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
throw new SdcListenerException("Startup of the SDC distribution client failed with reason: "
+ result.getDistributionMessageResult());
}
}
private void closeSdcDistributionclient() throws SdcListenerException {
LOG.info("Closing SDC distribution client");
IDistributionClientResult status = this.distributionClient.stop();
if (status.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
throw new SdcListenerException(
"Failed to close the SDC distribution client due to : " + status.getDistributionMessageResult());
}
}
}
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