diff options
Diffstat (limited to 'dcae-analytics-cdap-common/src/main/java/org/onap/dcae/apod/analytics/cdap/common/persistance/tca/TCAVESAlertsPersister.java')
-rw-r--r-- | dcae-analytics-cdap-common/src/main/java/org/onap/dcae/apod/analytics/cdap/common/persistance/tca/TCAVESAlertsPersister.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dcae-analytics-cdap-common/src/main/java/org/onap/dcae/apod/analytics/cdap/common/persistance/tca/TCAVESAlertsPersister.java b/dcae-analytics-cdap-common/src/main/java/org/onap/dcae/apod/analytics/cdap/common/persistance/tca/TCAVESAlertsPersister.java new file mode 100644 index 0000000..252197c --- /dev/null +++ b/dcae-analytics-cdap-common/src/main/java/org/onap/dcae/apod/analytics/cdap/common/persistance/tca/TCAVESAlertsPersister.java @@ -0,0 +1,102 @@ +/* + * ===============================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.onap.dcae.apod.analytics.cdap.common.persistance.tca; + +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.onap.dcae.apod.analytics.cdap.common.CDAPComponentsConstants; +import org.onap.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Date; + +import static org.onap.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); + + private TCAVESAlertsPersister() { + + } + + /** + * 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(CDAPComponentsConstants.TCA_FIXED_VES_ALERTS_DESCRIPTION_TABLE) + .build(); + } catch (UnsupportedTypeException e) { + final String errorMessage = "Unable to convert TCAVESAlertEntity class to Schema"; + throw new DCAEAnalyticsRuntimeException(errorMessage, LOG, 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()); + } + +} |