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/*
* ===============================LICENSE_START======================================
* dcae-analytics
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.openecomp.dcae.apod.analytics.cdap.plugins.utils;
import com.google.common.base.Function;
import org.apache.hadoop.conf.Configuration;
import org.openecomp.dcae.apod.analytics.cdap.common.CDAPPluginConstants.DMaaPMRSinkHadoopConfigFields;
import org.openecomp.dcae.apod.analytics.dmaap.domain.config.DMaaPMRPublisherConfig;
import javax.annotation.Nonnull;
import static org.openecomp.dcae.apod.analytics.cdap.common.utils.ValidationUtils.isEmpty;
import static org.openecomp.dcae.apod.analytics.cdap.common.utils.ValidationUtils.isPresent;
/**
* Function that converts {@link Configuration} to {@link DMaaPMRPublisherConfig}
* <p>
* @author Rajiv Singla . Creation Date: 1/26/2017.
*/
public class DMaaPSinkConfigMapper implements Function<Configuration, DMaaPMRPublisherConfig> {
/**
* Static method to map {@link Configuration} to {@link DMaaPMRPublisherConfig}
*
* @param sinkPluginConfig DMaaP Sink Plugin Config
*
* @return DMaaP MR Publisher Config
*/
public static DMaaPMRPublisherConfig map(final Configuration sinkPluginConfig) {
return new DMaaPSinkConfigMapper().apply(sinkPluginConfig);
}
/**
* Converts {@link Configuration} to {@link DMaaPMRPublisherConfig}
*
* @param configuration Hadoop Configuration containing DMaaP MR Sink field values
*
* @return DMaaP MR Publisher Config
*/
@Nonnull
@Override
public DMaaPMRPublisherConfig apply(@Nonnull Configuration configuration) {
// Create a new publisher settings builder
final String hostName = configuration.get(DMaaPMRSinkHadoopConfigFields.HOST_NAME);
final String topicName = configuration.get(DMaaPMRSinkHadoopConfigFields.TOPIC_NAME);
if (isEmpty(hostName) || isEmpty(topicName)) {
throw new IllegalStateException("DMaaP MR Sink Host Name and Topic Name must be present");
}
final DMaaPMRPublisherConfig.Builder publisherConfigBuilder =
new DMaaPMRPublisherConfig.Builder(hostName, topicName);
// Setup up any optional publisher parameters if they are present
final String portNumber = configuration.get(DMaaPMRSinkHadoopConfigFields.PORT_NUMBER);
if (portNumber != null) {
publisherConfigBuilder.setPortNumber(Integer.parseInt(portNumber));
}
final String protocol = configuration.get(DMaaPMRSinkHadoopConfigFields.PROTOCOL);
if (isPresent(protocol)) {
publisherConfigBuilder.setProtocol(protocol);
}
final String userName = configuration.get(DMaaPMRSinkHadoopConfigFields.USER_NAME);
if (isPresent(userName)) {
publisherConfigBuilder.setUserName(userName);
}
final String userPassword = configuration.get(DMaaPMRSinkHadoopConfigFields.USER_PASS);
if (isPresent(userPassword)) {
publisherConfigBuilder.setUserPassword(userPassword);
}
final String contentType = configuration.get(DMaaPMRSinkHadoopConfigFields.CONTENT_TYPE);
if (isPresent(contentType)) {
publisherConfigBuilder.setContentType(contentType);
}
final String maxBatchSize = configuration.get(DMaaPMRSinkHadoopConfigFields.MAX_BATCH_SIZE);
if (maxBatchSize != null) {
publisherConfigBuilder.setMaxBatchSize(Integer.parseInt(maxBatchSize));
}
final String maxRecoveryQueueSize = configuration.get(DMaaPMRSinkHadoopConfigFields.MAX_RECOVER_QUEUE_SIZE);
if (maxRecoveryQueueSize != null) {
publisherConfigBuilder.setMaxRecoveryQueueSize(Integer.parseInt(maxRecoveryQueueSize));
}
return publisherConfigBuilder.build();
}
}
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