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TimelineMetricHostAggregator.java
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TimelineMetricHostAggregator.java
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/**
* 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
*
* 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.
*/
package org.apache.ambari.metrics.core.timeline.aggregators.v2;
import java.io.IOException;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Date;
import org.apache.ambari.metrics.core.timeline.aggregators.AbstractTimelineAggregator;
import org.apache.ambari.metrics.core.timeline.availability.AggregationTaskRunner;
import org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController;
import org.apache.ambari.metrics.core.timeline.query.Condition;
import org.apache.ambari.metrics.core.timeline.query.EmptyCondition;
import org.apache.ambari.metrics.core.timeline.query.PhoenixTransactSQL;
import org.apache.hadoop.conf.Configuration;
import org.apache.ambari.metrics.core.timeline.PhoenixHBaseAccessor;
import static org.apache.ambari.metrics.core.timeline.query.PhoenixTransactSQL.GET_AGGREGATED_HOST_METRIC_GROUPBY_SQL;
public class TimelineMetricHostAggregator extends AbstractTimelineAggregator {
public TimelineMetricHostAggregator(AggregationTaskRunner.AGGREGATOR_NAME aggregatorName,
PhoenixHBaseAccessor hBaseAccessor,
Configuration metricsConf,
String checkpointLocation,
Long sleepIntervalMillis,
Integer checkpointCutOffMultiplier,
String hostAggregatorDisabledParam,
String tableName,
String outputTableName,
Long nativeTimeRangeDelay,
MetricCollectorHAController haController) {
super(aggregatorName, hBaseAccessor, metricsConf, checkpointLocation,
sleepIntervalMillis, checkpointCutOffMultiplier, hostAggregatorDisabledParam,
tableName, outputTableName, nativeTimeRangeDelay, haController);
}
@Override
protected void aggregate(ResultSet rs, long startTime, long endTime) throws IOException, SQLException {
LOG.info("Aggregated host metrics for " + outputTableName +
", with startTime = " + new Date(startTime) +
", endTime = " + new Date(endTime));
}
@Override
protected Condition prepareMetricQueryCondition(long startTime, long endTime) {
EmptyCondition condition = new EmptyCondition();
condition.setDoUpdate(true);
condition.setStatement(String.format(GET_AGGREGATED_HOST_METRIC_GROUPBY_SQL,
outputTableName, endTime, tableName,
getDownsampledMetricSkipClause(), startTime, endTime));
if (LOG.isDebugEnabled()) {
LOG.debug("Condition: " + condition.toString());
}
return condition;
}
}