| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.apache.atlas.repository.ogm.metrics; |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.instance.AtlasEntity; |
| import org.apache.atlas.model.instance.AtlasEntity.AtlasEntityWithExtInfo; |
| import org.apache.atlas.model.metrics.AtlasMetrics; |
| import org.apache.atlas.model.metrics.AtlasMetricsStat; |
| import org.apache.atlas.repository.impexp.AuditsWriter; |
| import org.apache.atlas.repository.ogm.AbstractDataTransferObject; |
| import org.apache.atlas.type.AtlasType; |
| import org.apache.atlas.type.AtlasTypeRegistry; |
| import org.apache.commons.lang.StringUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.stereotype.Component; |
| |
| import javax.inject.Inject; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.apache.atlas.model.metrics.AtlasMetricsStat.METRICS_ID_PREFIX_PROPERTY; |
| |
| |
| /** |
| * AtlasMetricsStatDTO is the bridge class in between AtlasMetricsStat and AtlasEntity. |
| */ |
| @Component |
| public class AtlasMetricsStatDTO extends AbstractDataTransferObject<AtlasMetricsStat> { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasMetricsStatDTO.class); |
| |
| public static final String METRICS_ENTITY_TYPE_NAME = "__AtlasMetricsStat"; |
| public static final String METRICS_ID_PROPERTY = "metricsId"; |
| private static final String METRICS_PROPERTY = "metrics"; |
| private static final String COLLECTION_TIME_PROPERTY = "collectionTime"; |
| private static final String TIME_TO_LIVE_PROPERTY = "timeToLiveMillis"; |
| private static final String UNIQUE_NAME_PROPERTY = "uniqueName"; |
| |
| @Inject |
| public AtlasMetricsStatDTO(AtlasTypeRegistry typeRegistry) { |
| super(typeRegistry, AtlasMetricsStat.class, METRICS_ENTITY_TYPE_NAME); |
| } |
| |
| @Override |
| public AtlasMetricsStat from(AtlasEntity entity) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasMetricsStatDTO.from({})", entity); |
| } |
| |
| AtlasMetricsStat metricsStat = null; |
| |
| String jsonMetrics = (String) entity.getAttribute(METRICS_PROPERTY); |
| |
| if (StringUtils.isNotEmpty(jsonMetrics)) { |
| metricsStat = new AtlasMetricsStat(AtlasType.fromJson(jsonMetrics, AtlasMetrics.class)); |
| } |
| |
| if (metricsStat == null) { |
| LOG.error("MetricStat cannot be created without metric info. Null has been returned."); |
| } else { |
| metricsStat.setGuid(entity.getGuid()); |
| metricsStat.setMetricsId((String) entity.getAttribute(METRICS_ID_PROPERTY)); |
| |
| metricsStat.setCollectionTime((long) entity.getAttribute(COLLECTION_TIME_PROPERTY)); |
| |
| metricsStat.setTimeToLiveMillis((long) entity.getAttribute(TIME_TO_LIVE_PROPERTY)); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasMetricsStatDTO.from() : {}", metricsStat); |
| } |
| |
| return metricsStat; |
| } |
| |
| @Override |
| public AtlasMetricsStat from(AtlasEntity.AtlasEntityWithExtInfo entityWithExtInfo) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasMetricsStatDTO.from({})", entityWithExtInfo); |
| } |
| |
| AtlasMetricsStat ret = from(entityWithExtInfo.getEntity()); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasMetricsStatDTO.from() : {}", ret); |
| } |
| return ret; |
| } |
| |
| @Override |
| public AtlasEntity toEntity(AtlasMetricsStat obj) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasMetricsStatDTO.toEntity({})", obj); |
| } |
| |
| AtlasEntity entity = getDefaultAtlasEntity(obj); |
| |
| entity.setAttribute(METRICS_ID_PROPERTY, getUniqueValue(obj)); |
| |
| if (obj.getMetrics() != null) { |
| entity.setAttribute(METRICS_PROPERTY, AtlasType.toJson(obj.getMetrics())); |
| } |
| |
| entity.setAttribute(COLLECTION_TIME_PROPERTY, obj.getCollectionTime()); |
| entity.setAttribute(TIME_TO_LIVE_PROPERTY, obj.getTimeToLiveMillis()); |
| entity.setAttribute(UNIQUE_NAME_PROPERTY, getUniqueValue(obj)); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasMetricsStatDTO.toEntity() : {}", entity); |
| } |
| return entity; |
| } |
| |
| @Override |
| public AtlasEntityWithExtInfo toEntityWithExtInfo(AtlasMetricsStat obj) throws AtlasBaseException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> AtlasMetricsStatDTO.toEntityWithExtInfo({})", obj); |
| } |
| AtlasEntityWithExtInfo ret = new AtlasEntityWithExtInfo(toEntity(obj)); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== AtlasMetricsStatDTO.toEntityWithExtInfo() : {}", ret); |
| } |
| return ret; |
| } |
| |
| @Override |
| public Map<String, Object> getUniqueAttributes(AtlasMetricsStat obj) { |
| Map<String, Object> ret = new HashMap<>(); |
| ret.put(METRICS_ID_PROPERTY, getUniqueValue(obj)); |
| return ret; |
| } |
| |
| private String getUniqueValue(AtlasMetricsStat obj) { |
| return METRICS_ID_PREFIX_PROPERTY + obj.getCollectionTime() + "@" + AuditsWriter.getCurrentClusterName(); |
| } |
| } |