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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2018 European Software Marketing Ltd.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.event.client;
import java.util.Collection;
import javax.naming.ConfigurationException;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.event.api.EventPublisher;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
/**
* Event bus client publisher wrapper for RabbitMQ
* @author GURJEETB
*
*/
public class RabbitMqEventPublisher implements EventPublisher {
private static Logger log = LoggerFactory.getInstance().getLogger(RabbitMqEventPublisher.class);
private final Connection connection;
private final Channel channel;
private RabbitMqClientConfig config;
public RabbitMqEventPublisher(RabbitMqClientConfig config) throws Exception {
this.config = config;
if (config.getExchangeName() == null) {
throw new ConfigurationException("Mandatory config param exchangeName not set");
}
this.connection = RabbitMqUtils.createConnection(config);
this.channel = connection.createChannel();
//Durable exchange and non delete
channel.exchangeDeclare(config.getExchangeName(), config.getExchangeType(), true, false, config.getExchangeArguments());
}
@Override
public void close() throws Exception {
channel.close();
connection.close();
}
@Override
public void sendAsync(String message) throws Exception {
sendSync(message);
}
@Override
public void sendAsync(Collection<String> messages) throws Exception {
sendSync(messages);
}
@Override
public void sendAsync(String routingParam, String message) throws Exception {
sendSync(routingParam, message);
}
@Override
public void sendAsync(String routingParam, Collection<String> messages) throws Exception {
sendSync(routingParam, messages);
}
@Override
public int sendSync(String message) throws Exception {
channel.basicPublish(config.getExchangeName(), config.getRoutingKey(), null, message.getBytes());
log.debug(" [x] Sent '" + message + "'");
return 1;
}
@Override
public int sendSync(Collection<String> messages) throws Exception {
log.debug("Publishing" + messages.size() + " messages ");
for (String message : messages) {
sendSync(message);
}
return messages.size();
}
@Override
public int sendSync(String routingParam, String message) throws Exception {
channel.basicPublish(config.getExchangeName(), routingParam, null, message.getBytes());
return 1;
}
@Override
public int sendSync(String routingParam, Collection<String> messages) throws Exception {
log.debug("Publishing" + messages.size() + " messages ");
for (String message : messages) {
sendSync(routingParam, message);
}
return messages.size();
}
}
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