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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.tca.persistance;
import co.cask.cdap.api.data.schema.Schema;
import co.cask.cdap.api.data.schema.UnsupportedTypeException;
import co.cask.cdap.api.dataset.DatasetProperties;
import co.cask.cdap.api.dataset.lib.IndexedTable;
import co.cask.cdap.api.dataset.lib.ObjectMappedTable;
import co.cask.cdap.api.dataset.lib.ObjectMappedTableProperties;
import org.apache.commons.lang3.StringEscapeUtils;
import org.openecomp.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Date;
import static org.openecomp.dcae.apod.analytics.common.CDAPComponentsConstants.TCA_DEFAULT_VES_ALERTS_DESCRIPTION_TABLE;
import static org.openecomp.dcae.apod.analytics.common.utils.PersistenceUtils.TABLE_ROW_KEY_COLUMN_NAME;
/**
* @author Rajiv Singla. Creation Date: 11/16/2016.
*/
public abstract class TCAVESAlertsPersister {
private static final Logger LOG = LoggerFactory.getLogger(TCAVESAlertsPersister.class);
/**
* Persists Alert Message to Alerts Table
*
* @param alertMessage alert Message
* @param tcaVESAlertTable alert Table Name
*/
public static void persist(final String alertMessage,
final ObjectMappedTable<TCAVESAlertEntity> tcaVESAlertTable) {
final Date currentDate = new Date();
final TCAVESAlertEntity alertEntity = new TCAVESAlertEntity(currentDate.getTime(),
StringEscapeUtils.unescapeJson(alertMessage));
// row key is same as current timestamp
final String rowKey = createRowKey(currentDate);
tcaVESAlertTable.write(rowKey, alertEntity);
LOG.debug("Finished persisting VES Alert message ID: {} in VES Alerts table.", rowKey);
}
/**
* Creates {@link DatasetProperties} for Alerts Table
*
* @param timeToLiveSeconds alerts table Time to Live
* @return Alerts table properties
*/
public static DatasetProperties getDatasetProperties(final int timeToLiveSeconds) {
try {
return ObjectMappedTableProperties.builder()
.setType(TCAVESAlertEntity.class)
.setRowKeyExploreName(TABLE_ROW_KEY_COLUMN_NAME)
.setRowKeyExploreType(Schema.Type.STRING)
.add(IndexedTable.PROPERTY_TTL, timeToLiveSeconds)
.setDescription(TCA_DEFAULT_VES_ALERTS_DESCRIPTION_TABLE)
.build();
} catch (UnsupportedTypeException e) {
final String errorMessage = "Unable to convert TCAVESAlertEntity class to Schema";
throw new DCAEAnalyticsRuntimeException(errorMessage, LOG, new
IllegalArgumentException(errorMessage, e));
}
}
/**
* Creates Row Key for Alerts Table
*
* @param date current Date
* @return row key
*/
public static String createRowKey(final Date date) {
return String.format("%025d", date.getTime());
}
}
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